Operating instructions
Contents
1. Put safety equipment back into operation after mainte nance work Cause No mains connection Main switch 8 Check if POWER SUPPLY is lit Pause time active Safety lock was opened manually if display is blinking Overload Switched off due to thermal over load of the drive Imbalance of machine too high Drive was blocked Toothed belt of motor loose or broken No mains connection Main switch 8 Clamping device loose Seal ring is soiled or defective Bowls are imbalanced Emergency off switch 5 pressed Invalid program data 47 Remedy Plug in mains plug Switch on main switch see above Wait for end of pause or press STOP see Opening the hood without mains connection on page 14 Reduce load or accept automatically set rotational speed Allow device to cool down and select a lower speed Improve mass balance see Mass bal ance on page 34 Rectify malfunction in grinding chamber Check toothed belt replace if necessary Plug in mains plug Switch on main switch clamp again Clean or replace seal ring Arrange the bowls symmetrically equal masses in the opposite positions Unlatch the emergency off switch Rotational speed or grinding duration must not be set to zero FRITSCH mia Fault description Cause Remedy Error code 7 No feedback of rotational speed See Electrical safety on page 15 from planetary drive Error code 8 No feedback of rotational2. 32 6 5 2 Clamping the 45 ml and 12 ml grinding bowls 33 6 6 Mass balatice iiii eene tha haa nennen 34 6 7 Grinding durati n incer nr RR EREH ERA 35 6 8 Settings on the control panel seseeeeee 36 6 8 1 Select program sess 36 6 8 2 Startthe milli ia 36 6 8 3 Switching off eret 36 6 8 4 Meaning of the LED display 36 6 9 Conducting a grinding operation sees 37 6 9 1 Overload era riae ner I MEER MAP ER ERR Rep es 37 6 9 2 Interrupt a grinding process 37 6 9 3 Switching off eren 38 6 10 Cooling the grinding bowl esee 38 ACCOSSOMIOS E 39 7 1 Additional clamping system for grinding harmful sub stances or in a gas atmosphere 39 7 1 1 Locking the additional clamping system into place 39 7 1 2 Grinding in inert gas with gassing lid 41 VE ME CU EC um 44 Cleaning tennis 45 8 1 Grinding elements 45 PAM e 45 Maintenance irren pet Or aanas 46 LCCEIDCHERUP Em 47 Examples of comminution tasks sss 49 BICI EE 51 FRITSCH A 13 Guarantee terms esser entier ita nones braun asus 52 14 Exclusion of liability esee 54 15 Safetylogbook eese one dee RR ERR ren 56 16 Talo S e 58 FRITSCH aa 1 BWNRPR Basic structure Ho
3. 24 A FRITSCH Material bowl and balls Agate Silicon nitride Sintered corundum Zirconium oxide Stainless steel Hardened steel Tungsten carbide Main components of the material 99 9 SiO 90 Si3N 99 7 Al O 96 2 ZrO Bowl 17 19 Cr 8 10 Ni Balls 12 5 14 5 Cr 1 Ni Bowl 11 12 Cr Balls 1 0 1 65 Cr 93 WC 6 Co CAUTION A The grinding element is subject to normal wear when used Before every grinding operation check the wall thickness of the grinding bowls In the event of severe wear replace the grinding bowl If this is not done the prevailing high centri fugal forces during grinding may cause the grinding balls to penetrate the bowl s wall and damage the mill Failure to observe this will render void the guarantee and release us from liability for any resulting damage to the device or per sonal injury The hardness and density specific weight of the grinding bowl and grinding balls used must be greater than that of the material used to pre vent excessive wear by abrasion Density in g cm Abrasion resistance High density means high impact energy 2 65 Good 3 25 Extremely good 3 9 Fairly good 5 7 Very good 7 8 Fairly good 7 9 Good 14 9 Very good Use for grinding stock Soft to medium hard samples Abrasive samples metal free grinding Medium hard fibrous samples Fibrous abrasive samples Medium hard brit
4. dry 180g 8 mm WC Co 250 ml Al O 500 ml Active carbon wet grinding in water 150 ml 0 025 mm Plaster 300 g 10 mm Protein 50g 20mm Grains barley 100g 3mm Dough products 100g 5 mm Cr Ni steel 250 ml Cr steel 500 ml Sintered corundum 1 250 ml Sintered corundum 1 500 ml Sintered corundum 1 500 ml Sugar wet grinding in alcohol 200 g 1mm Agate 500 ml 15x 20mm 2 min 15x 20mm 60 min 10 x 30mm 30 min 15x 20mm 30 min 10 x 30mm 20 min 6 x 30 mm 90 min 3 x 40 mm 20 min 10 x 30 mm 3 min 10 x 30 mm 45 min 50 100 lt 250 um 100 lt 20 um 100 250 um 100 lt 5um 100 lt 200 um 90 lt 50 um 100 150 um 10096 250 um 100 lt 10 um FRITSCH uim 12 Disposal It is hereby confirmed that FRITSCH has implemented the directive 2002 95 EC of the European Parliament and Council from 27th January 2003 for the limitation of the use of certain dangerous substances in electrical and electronic devices FRITSCH has registered the following categories according to the German electrical and electronic equipment act section 6 paragraph 1 clause 1 and section 17 paragraphs 1 and 2 Mills and devices for the preparation of samples have been registered under category 6 for electrical and electronic tools except for large sta tionary industrial tools Analytical devices have been reg
5. ness of up to 0 1 um The useful capacity is between 2 x 5 ml for 12 ml grinding bowls and 2 x 225 ml when using 500 ml grinding bowls The grinding bowls for planetary ball mills can be rotated and placed off centre on a rotating support disc The rotational speed of the support disc can be selected The grinding bowl rotates at a fixed gear ratio The rotation of the grinding bowls and the support disc in conjunction causes the grinding stock and grinding balls to describe movements and trajec tories inside the grinding bowl movements whose shape and impact is determined by the gear ratio Comminution occurs due to the combina tion of friction and high energy impacts Planetary ball mills with a fixed gear ratio have been optimised for single processes The rotation speeds of the grinding bowls and support disc can be set entirely independent of one another with the Vario Planetary Mill PUL VERISETTE 4 The movements and trajectories of the grinding balls can be adjusted as desired by varying the gear ratio the balls can be caused to impact the walls of the bowl vertically high impact energy approach the wall tangentially high friction or simply roll on the inner wall of the bowl centrifugal mill All intermediate stages and combinations of frictional and impact pres sure can be set This makes it possible for the first time to perform both mechanical activation as well as mechanical alloying with a single mill by changing the gea
6. 39 FRITSCH mika 2 Position the pressure plate b with rubber disc on the bowl as shown in the picture 3 When using grinding bowls with a volume of 80 ml the adapter 90 1120 09 c must be used in addition NOTICE Under no circumstances may 2 x 80 ml bowls be e clamped on top of one another This can lead to damage to the bowl and its component seals 4 Then secure the pressure plate on both sides with the hexagon Socket screws shown in the picture using a hex key 5 p Place the additional clamping system with secured bowl in the grinding bowl holder 40 7 1 2 Grinding in inert gas with gassing lid FRITSCH E 6 This is done as described in Clamping the 500 ml 250 ml and 80 ml grinding bowls on page 32 However the hexagon screws with the red shaft must be used NOTICE After tensioning the pressure plate the hexagon socket screws of the additional clamping system must be checked for tightness and tightened again if necessary NOTICE Observe imbalance offsetting See amp Mass balance on page 34 NOTICE Before every grinding operation check the valves of the gassing lid ensuring that they are clean and properly secured See chapter Cleaning the valves on page 43 We carry out a worker water bath test on all gassing lids The part to be tested is sealed a pressure of 5 5 bar is applied and it is immersed in a water bath If there is a
7. alae ae eke Ra RR wk a 16 Ww Warning information 00 10 WEBE 51 Weight rentent tiskadi ode nce dedo dh ad 16 Wetgrinding leen 31 FRITSCH a a ld MEN E FRITSCH u 2014 Fritsch GmbH Milling and Sizing Industriestra e 8 D 55743 Idar Oberstein Telephone 49 0 6784 70 0 Fax 49 0 6784 70 11 Email info fritsch de Internet www fritsch de
8. be disabled or removed All protective equipment must be checked regularly for integrity and proper functioning Start up is only possible with the hood closed The hood is locked W without mains connection W during operation Q The hood can only be opened when the mill s drive is at m standstill r 2 6 1 Opening the hood without mains connection 1 Unscrew the grating on the left side of the device at the top 2 Insert the provided triangular key into the manual release of the safety interlock through the bore hole and turn it to the right 3 The hood releases after the twist lock on the front side of the hood is opened 4 p The mill cannot be turned on now To turn it on the safety lock has to be activated by turning the triangular key to the left and the hood and hood lock must be locked 2 7 Hazardous points W Crushing hazard when closing the hood W Crushing hazard at the grinding bowl clamping device 14 FRITSCH a 2 8 Electrical safety 2 8 1 General information W The main switch separates the whole device from the power supply on all poles W Switch off the main switch if the device will be idle for a longer period of time e g overnight 2 8 2 Protection against restart In case of power failure during operation or after switching off with the main switch the hood is locked The hood lock is opened when power returns For safety reasons however the mill doe
9. grinding bowl has been tensioned correctly and that there are no loose parts inside the device There is a risk of loose grinding bowls or parts being projected Failure to observe this will render void the guarantee and releases us from liability for any resulting damage to the device or personal injury NOTICE During grinding the temperatures in the grinding bowl may get very high In encased grinding bowls the inserts are glued into the casing with a two component construction adhesive The adhesive is resistant to temperatures up to approx 140 C Above 140 C the adhesive will liquefy and accumulate below the insert in the casing When the adhesive cools down it solidifies and pushes the casing up That can cause irreparable damage to the insert The grinding bowl will definitely be rendered unusable Above temperatures of 200 C the adhesive will be destroyed The same applies for encased grinding bowl lids V belt seals and motor require some time at the beginning before they can reach the optimal output and or rotation This means that initially a well filled and heavy grinding set may be able to operate with less rotations than after an introductory phase of approx 1 2 hours running time 6 1 Choice of grinding bowls and grinding balls A CAUTION If the grinding elements used are not genuine accessories we assume no guarantee and exclude all liability for damage to the device or for personal injury
10. leak bubbles will develop The air bubbles that develop within a specific interval are evaluated by the worker tester Only gassing lids with a leak rate of 10 mbar I s are approved When grinding in inert gas the same conditions apply regarding clamping and composition of grinding set and balls as apply for standard grinding Two valves are screwed onto the gassing lid through which you can feed in inert gas e g nitrogen before switching on the mill A Viton flat seal is used instead of a Teflon one 41 FRITSCH mika 7 1 2 1 Preparation for gassing ENS i a AN N b C d b a O E E E Gassing hose Hose clamp Coupling Valves Ventilation attachment Fill the grinding bowl with grinding balls and grinding stock See amp Filling the grinding bowl on page 29 Attach the Viton seal and lid Insert the grinding bowl into the grinding bowl holder 8 Clamp the grinding bowl in the device See Clamping the 500 ml 250 ml and 80 ml grinding bowls on page 32 Using the additional clamping system the following steps can also be completed in the glove box and subsequently clamped in the Vario Planetary Mill 7 1 2 2 Gassing Connect the gassing hose a to the inert gas supply using the pro vided hose clamp b Screw the ventilation attachment e onto one of the two valves d Place the coupling c of the gassing hose on the free valve When doing so press th
11. not heat agate elements in a microwave under any cir cumstances heating is too fast They must never be exposed to thermal shocks as this could cause irreparable damage to the parts They will burst apart like in an explosion Clean the grinding bowl and grinding balls each time after using them Clean them e g under running water using a brush and a commercially available cleaning agent Roughly half fill the grinding bowl with grinding balls and a little sand and water and run for 2 to 3 minutes correctly tensioned in the Vario planetary mill Cleaning with an ultrasonic cleaner is permitted For sterilisation in the heat cabinet only heat the grinding elements up to 100 C The Vario planetary mill can be wiped down with a damp cloth after it has been switched off 45 FRITSCH 2 9 Maintenance Functional part Safety lock Rotating bearings Drive motor Fan ventilation slots Grinding bowl clamping device Grinding bowl seal A TIPS y Task or description Hood lock Permanent lubrication Permanent lubrication Grinding chamber cooling and electronics Clamping plate rubber and rubber disk in the grinding bowl holder Seal the grinding bowl DANGER Mains voltage Before beginning with maintenance work unplug the mains plug and protect the device against being unin tentionally switched back on again Indicate maintenance work with warning signs Maintenance work may
12. only be performed by special ised personnel Put safety equipment back into operation after mainte nance or repair work We recommend keeping a safety logbook Chapter 15 Safety logbook on page 56 where all work maintenance repairs performed on the device is entered The most important element of maintenance is regular cleaning Test Hood handle 1 cannot be opened If this test is failed do not continue to work until the fault has been rectified Bearing clearance Bearing clearance Proper function clean when soiled Signs of use replace if pressed flat and no longer elastic Replace if dirt has pene trated 46 Maintenance interval Before each use Every 2 000 h or annually Every 4 000 h or annually Twice a year After every 1 000 h Every 100 h FRITSCH a a A 10 Repairs Fault description The ready status indicator doesn t light up START button is pressed but mill does not start up Mill reduces speed automatically Mill stops running The hood cannot be opened Grinding stock escapes Runs unevenly with strong vibra tions Error code 5 blinks in the display Error code 6 DANGER A Mains voltage Before beginning with repair work unplug the mains plug and protect the device against being unintention ally switched back on Indicate repair work with warning signs Repair work may only be performed by specialised per sonnel
13. overloaded If the mill does not start see amp Repairs on page 47 While in operation the hood remains locked even during J pause times and the fan cools the interior 1 6 9 1 Overload If the mill is overloaded the rotational speed is reduced The mill switches off if the overload continues for too long see Repairs on page 47 6 9 2 Interrupt a grinding process W After selecting the program and pressing the START key on the mill an internal timer begins to run It is possible in this way to check the milling progress by pressing the STOP key on the machine checking the grinding state and then pressing the START key again on the machine to continue the grinding with no loss of time Also if the mill is stopped during the pause time the milling will be continued after pressing the START key W Ifthe START button is pressed in the PC program all total times will be transferred whereby no residual running times or pause times will be taken into account The grinding starts again from the begin ning W The residual times are saved after every hour as a precaution If milling is performed over a longer time period and the electrical power is cut off the residual time can be re run maximum ina curacy is 1 hour Functional principle When the mill is recon nected to electrical power the software recognises the residual time stored and indicates this through a 0 in the display If the START key on th
14. speed See Electrical safety on page 15 from main drive Error code 9 Hood not properly closed Close the hood and lock it mechanically with the twist grip 1 48 FRITSCH A 11 Examples of comminution tasks Material Feeding amount Material of grinding bowl Grinding balls St x diam and balls eter Feed size Grinding bowl size Grinding duration Ruby stone 140g Cr Ni steel 6x30mm 12mm 250 ml 3 min Titanium dioxide TiO dry and wet grinding in water 40g Cr Ni steel 6x30mm 2mm 250 ml 30 min Titanium dioxide TiO wet grinding in water 40 g 50 ml water Cr Ni steel 6x30mm 2mm 250 ml 60 min Coal dry and wet grinding in water 5g Zirconium oxide 5x 20mm 0 5 mm 80 ml 120 min Aluminium oxide silicon oxide 100g WC Co 15x 20mm 0 1 mm 250 ml 90 min Ferrovanadium 70g WC Co 5x 30mm 3mm 250 ml 20 min Glass 50g Agate 15x 20mm 4 mm 250 ml 15 min Silicon carbide dry and wet grinding in water 15g WC Co 5x 20mm 3mm 80 ml 30 min Silicon carbide dry and wet grinding in water 15 g 5 ml water WC Co 5x 20mm 3mm 80 ml 45 min 49 Result Final fineness 100 250 um 100 lt 40 um 100 lt 10 um 100 lt 15 um 90 lt 20 um 70 lt 100 um 100 lt 90 um 100 lt 150 um 10096 71 um FRITSCH aa Raw phosphate 40g 3mm Cr steel 250 ml Manganese dioxide MnO wet grinding in water 50g 40 ml water 0 1 mm Sludge
15. the pause times the number of repeats of milling and pause times and reverse mode can be stored in these storage loca tions 6 8 2 Start the mill After the conditions specified in Using the device on page 24 have all been observed close the hood After pressing the START key the mill starts The machine runs at the rotational speed etc as stored in the dis played program storage location 6 8 3 Switching off On pressing the STOP key the mill brakes the main disk and the planet gears to a complete standstill This procedure can take several seconds See Conducting a grinding operation on page 37 6 8 4 Meaning of the LED display Display 0 After a loss of electrical power during milling the residual running time is stored in location 0 maximum inaccuracy is 1 hour After switching on again the remaining time is displayed in storage location O Display 1 9 These are the program storage locations 1 9 Flashing display 5 9 36 FRITSCH ra See Repairs on page 47 6 9 Conducting a grinding operation HW After the conditions specified in amp Using the device on page 24 have all been observed close the hood W Press the START button on the control panel B The hood is locked and the mill starts up B The mill turns at the set speed nominal speed If the load is too great for example due to heavy grinding bowls the speed is reduced actual speed so that the machine is not
16. to users follow the instructions in this manual Malfunctions that impair the safety of persons the PULVERISETTE 4 or other material property must be rectified immediately The following information serves both the personal safety of operating personnel as well as the safety of the products described and any devices connected to them All maintenance and repair work may only be performed by technically qualified personnel This operating manual is not a complete technical description Only the details required for operation and maintaining usability are described Fritsch has prepared and reviewed this operating manual with the greatest care However no guarantee is made for its completeness or accuracy Subject to technical modifications The Vario Planetary Mill PULVERISETTE 4 is able to simulate convention ally designed ball mills replicate the types of loads in these mills and by doing so reproduce or optimise grinding processes The flexibility when it comes to selecting grinding parameters makes it possible to achieve results unrivalled by other ball mills It is the ideal mill for mechanical activation and alloying The main appli cations are for material research and other applications that require a high performance innovative laboratory planetary mill FRITSCH a 2 2 1 Operating principle 2 3 Obligations of the operator With a particle feed size of 10 mm it is possible to achieve a final fine
17. 3 phase W Secondary 400 V 3 phase W Power consumption 10000 VA W Connection cable 5 m without plug 4 8 Detection of the direction of rotation It is essential that the phase sequence of the electrical supply is con nected in the correct order If the phase sequence is correct the mill will perform properly If it is wrong it will still be possible to operate the mill via the keyboard but the mains voltage will not be switched internally Error code 7 or 8 will appear in the display see Repairs on page 47 22 FRITSCH za 5 Initial start up 5 1 Switching on 5 2 Function check 5 3 Switching off Perform initial start up only after all work as described in Installation on page 18 has been carried out W Connect the device to the grid Switch the device on at the main switch I ON Open the hood Take out any grinding bowl clamping devices and wood the grinding bowl holder must be completely empty and close the hood Hold down the Program button until 1 appears on the LED display In the delivery condition only memory location 1 has been allocated a low motor speed Press START button The hood is locked and the mill runs at the programmed speed Press the STOP button After a short time once the mill is at standstill the hood is unlocked and can be opened 23 FRITSCH a 6 Using the device A DANGER Before starting the machine make sure that the
18. 5 Device safety information esses 13 2 6 Protective equipment sessssssssseseeeeeneenenne 14 2 6 1 Opening the hood without mains connection 14 2 7 Hazardous points eee rna rei sonno anne 14 2 8 Electrical safety crore eei ies 15 2 8 1 General information ueseesseeeessneeneenennennnnnennnnennnnnnnnnn 15 2 8 2 Protection against restart 15 2 8 3 Overload protection uusessnssensesnsnenennnnnnnnnnnnnnnnnsnnannnnn 15 3 Technical data 2 uiing madre eG tabe reae Pe eens 16 3 1 Dimensions er ves ee aede Eee ee NERA 16 32 Weight cete tente tee tee tbe ie ire iei de Fletes 16 3 3 Operating NOISE psoas ssnsdin nennen 16 3 4 Voltage c eri o RARE RO RR PEL Ven Rer ERRARE oe 16 3 5 Current consumption ueeeersssnneeesnnnenennnnnennnnnnnnnnnnnnnnnnnnnnn 16 3 6 Power consumption seseesseeeeeeeene ene 16 3 7 gt Elect iical fuses uie erede iden rene eiua 16 38 Maternal e 17 3 9 Final fineness nennen nun 17 4 Installation handele Reo E her xe e RR NR 18 4 1 Transpor eobot nee te epe A eee need ues vas innt e a ke ue ere ua nn 18 4 2 Unpacking Am 18 4 3 Setting Up eeose Eeee ees a aN Eea E eadera ESA 19 4 4 Ambient conditions usrsnsnnneennnennnnnnnnnsnnnnnnnnnnnn nen 21 4 5 Electrical connection eeeeeseeeeeeeeeenne enn 21 4 6 Connecting the computer uuuessnsensnseessnnnersnnnnnnnnennnnnnen e
19. FRITSCH a gu NNNM Operating instructions VARIO PLANETARY MILL PULVERISETTE 4 Valid starting with 04 1030 0139 Read the instructions prior to performing any task Translation of the original operating instructions FRITSCH a E d X Fritsch GmbH Milling and Sizing Industriestraf e 8 D 55743 Idar Oberstein Telephone 49 0 6784 70 0 Fax 49 0 6784 70 11 Email info fritsch de Internet www fritsch de Version 03 2014 Index 009 FRITSCH a Certifications and CE conformity Certification CE Conformity Fritsch GmbH has been certified by the T V Zertifizierungsgemeinschaft e V TOA TRG UNGENIDNSCPAP FUR ARXIAEQU V RUNG GERMAN ASSOCIATION FOR ACCHIDITATION GM OM TGA ZM 05 08 00 An audit certified that Fritsch GmbH conforms to the requirements of the DIN EN ISO 9001 2008 The enclosed Conformity Declaration lists the guidelines the FRITSCH instrument conforms to to be able to bear the CE mark FRITSCH aM Table of contents 1 Basic structure nee sense 7 2 Safety information and use 224440nsnnnennnnnnnennnnnnnnen nenn 8 2 1 Requirements for the user 8 2 2 Scope of application uunseessenssensnnnsenensnnnennnennnnnnnnnnn nn 8 2 2 1 Operating principle esee 9 2 3 Obligations of the operator uunssnssensnsensenennnensnnnnnnnnn 9 2 4 Information on hazards and symbols used in this manual 10 2
20. W Maximum feeding size approx 10 mm 3 9 Final fineness W Dry grinding up to doo 20 um depending on the material W Wet grinding up to dso lt 1 um depending on the material EE Ir AN FRITSCH aM 4 Installation 4 1 Transport The device is delivered on a transport pallet with a wooden cover We recommend using a forklift or pallet truck for transporting the packed device DANGER Do not step under the transport pallet during transport WARNING Improper lifting can lead to personal injury or property damage The machine is only to be lifted with suitable equipment and by qualified personnel The guarantee excludes all claims for damage due to improper transport 4 2 Unpacking W Pull out the nails that fasten the hood to the transport pallet The hood is the wooden case that has been placed over the transport pallet Lift the hood off the transport pallet Compare the contents of the delivery with your order Grinding bowls made of hardened steel may have recesses J on the surface caused during production They do not have an impact on grinding or the grinding results and usually disappear after the first grinding operation These recesses on the surface if present are within the range of the permissible production tolerances Complaints relating to such grinding bowls therefore cannot be accepted 18 FRITSCH ai 4 3 Setting up DANGER Do not step under the transport pa
21. and inserted in the grinding bowl thus avoiding the time required for counting the balls 6 2 Filling quantities of grinding bowls CAUTION A For wet grinding with large balls with a diameter of gt 10 mm at least half the maximum sample quantity must be inserted If the suspension is highly fluid the balls will not have any resistance and the balls and the grinding bowl could be damaged The result is the same as if it had been filled with no grinding stock The same applies to dry grinding with less than the minimum sample quantity NOTICE Never operate the mill without grinding stock This can lead to grinding balls and grinding bowls getting damaged 28 FRITSCH ra 6 3 Filling the grinding bowl NOTICE If the minimum filling quantity is fallen short of increased wear due to abrasion is to be expected This can cause irreparable damage to the mill components Grinding bowl Grinding bowl max sample volumes 500 ml 80 ml 225 ml 250 ml 30 ml 125 ml 80 ml 1 ml 30 ml Do not fail to comply with the following sequence 1 Place the grinding balls in the empty bowl 2 Fill grinding stock onto the balls 3 Place the sealing ring on the rim of the grinding bowl NOTICE Make sure the sealing surfaces are clean 4 Place the lid on the grinding bowl 6 4 Factors with an impact on grinding 6 4 1 Running time grinding duration 6 4 2 Speed A longer grinding time will increase the
22. d make sure that the heat developing in the grinding bowl does not reach the solvent s boiling point Program appropriate cooling phases If the vapour pressure is too high vapours may escape and ignite If it can be avoided we recommend using non flammable liquids or liquids with a high boiling point The boiling point should be above 80 C and above 100 C for a long grinding duration During the transition to grinding in suspension you can add a liquid aux iliary agent with high boiling point and low vapour pressure 6 5 Clamping the grinding bowls Carry out the following checks for every grinding before clamping the grinding bowls W Check the rubber disc in the grinding bowl holder for damage Replace the rubber disc if it has been pressed flat The rough side must face upwards W The Teflon flat seal for the seal between the lid and the bowl should not be damaged or soiled Replace heavily deformed Teflon flat seals B The lid and bowl surfaces that contact the Teflon flat seal must be clean 31 FRITSCH E a 6 5 1 Clamping the 500 ml 250 ml and 80 ml grinding bowls CAUTION When using the 80 ml grinding bowl Use the reduction adapter Art No 90 1120 09 or clamp two 80 ml grinding bowls on top of one another 1 Place the grinding bowl into the holder 2 Then place the clamping plate a onto the bowl lid 3 Insert the provided hexagon screws with blue shaft b into the corres
23. d with our authorisation This guarantee is subject to the condition that the device is operated according to the instructions for use operating manual and its intended use Claims against the guarantee must include presentation of the original receipt stating the date of purchase and name of the dealer together with the complete device type and serial number For this guarantee to take effect the answer card entitled Securing of Guarantee enclosed with the device must be properly filled out and despatched without delay after receipt of the device and be received by us within three weeks or alternatively online registration must be carried out with the above mentioned information The guarantee will not be granted in cases where W Damage has arisen due to normal wear and tear especially for wear parts such as Crushing jaws support walls grinding bowls grinding balls sieve plates brush strips grinding sets grinding disks rotors sieve rings pin inserts conversion kits sieve inserts bottom sieves grinding inserts cutting tools sieve cassettes sieve and measuring cell glasses B Repairs adaptations or modifications were made to the device by unauthorized persons or companies W The device was not used in a laboratory environment and or has been used in continuous operation WB Damage is present due to external factors lightning water fire or similar or improper handling W Damage is present that only i
24. e Each valve can be used for aerating or ventilating BE For pressure equalisation of the overpressure occurring because of grinding carefully press on the ventilation attachment with a thin object e g hex key B Only now should you release the additional clamping system 5 7 1 2 4 Cleaning the valves f Valve screwdriver g Valve insert 84 6360 00 d Valves Both valves d should be cleaned after every grinding W Insert the thin end of the valve screwdriver f from above into the 3 valve d and turn anti clockwise Y W Screw out the valve insert g gt d W Depending on the soiling clean the valve insert g with compressed l i air or place it in a small glass container filled with alcohol and clean in an ultrasonic cleaner LABORETTE 17 and then dry carefully BE After the two valve inserts have been removed the two valve holders can be cleaned with compressed air from above the lid 43 FRITSCH ss 7 1 2 5 Installing valve inserts W Insert the valve insert g into the valve d with the spring pointing upwards W With the valve screwdriver f screw the valve insert clockwise The following gassing lids for the grinding sets are available each with two valves and a soft sealing ring Material Order number Hardmetal tungsten carbide 250 50 8600 00 ml Hardened chrome steel 80 ml 50 8700 00 Hardened chrome steel 250 ml 50 8500 00 Hardened chrome steel 500 ml 50 8400 00 Stain
25. e lever of the coupling and push the coupling along the neck of the valve until it goes no further Release the lever O Using the additional clamping system the closed grinding 1l bowl can also be tensioned and gassed outside of the device See Locking the additional clamping system into place on page 39 1 Slowly open the inert gas supply Press a thin object e g hex key onto the top of the ventilation attachment e so that the air can escape from the grinding bowl The inert gas now purges the air from the grinding bowl The duration of purging has to be determined through experimenta tion It depends on grinding bowl size filling and gas supply among other factors To end purging close the inert gas supply and release the ventilation attachment Screw off the ventilation attachment Remove the gassing hose To do so press the lever 42 FRITSCH za CAUTION Only switch on the device when both coupling and ventila tion attachment have been removed Overpressure may occur during grinding 7 1 2 3 Ventilate after grinding CAUTION Always let the bowl cool down before ventilation Hot gases and sample material may escape from the bowl during pressure equalisation leading to serious burns Use protective gloves when ventilating WB When the bowl has cooled down remove the additional clamping system with bowl from the device W Screw the ventilation attachment onto the valv
26. e machine is now pressed the grinding is continued The residual time can be read off in the program 37 FRITSCH a Q As soon as the START button in the program has been pro cessed the residual time is lost 6 9 3 Switching off W Press STOP on the control panel B When the drive comes to a standstill the hood is unlocked and can be opened B Switch off the main switch 8 on the right hand side of the machine 6 10 Cooling the grinding bowl B When the hood is open or W Inthe programmed pause times with closed locked hood and the fan running 38 FRITSCH E 7 Accessories 7 1 Additional clamping system for grinding harmful substances or in a gas atmosphere The additional clamping system is used to transport a grinding bowl filled with inert gas or harmful substances from a glove box to the planetary mill and back again This ensures that no harmful substances can be inhaled There are two ways of gassing the grinding bowls 1 Grinding bowls with standard lids have to be filled in a glove box with an inert gas atmosphere and closed using the additional clamping system Using this procedure you can even grind haz ardous substances 2 Grinding bowls with gassing lids can also be closed and gassed out side the device using the additional clamping system 7 1 1 Locking the additional clamping system into place 1 Place the grinding bowl in the additional clamping system
27. formation is embedded in the procedure instructions so that the text can be read without interruption as the procedure is being carried out The keywords described above are used Example 1 amp Loosen screw 2 p CAUTION Risk of entrapment at the lid Close the lid carefully 3 Tighten screw O This symbol emphasises useful tips and recommendations J as wells as information for efficient operation without mal function To emphasise procedure instructions results lists references and other elements the following designations are used in this manual Designation Explanation Step by step procedure instructions 1 253 gt Results of steps in the procedure b References to sections in this manual and rele vant documentation E Lists without a specific order Button Operating elements e g push button switch display elements e g signal lamps Display Screen elements e g buttons function key assignment 12 FRITSCH ram 2 5 Device safety information Please observe Only use original accessories and original spare parts Failure to observe this instruction can compromise the safety of the machine Accident proof conduct is to be strictly followed during all work Comply with all currently applicable national and international acci dent prevention guidelines CAUTION Wear hearing protection If a noise level of 85 dB A is reached or exceeded ear pro tectio
28. hanges to the connection line may only be made by a qualified person CAUTION Ignoring the values on the type plate may result in damage to the electrical and mechanical components Before establishing the connection compare the voltage and current values stated on the type plate with the values of the mains system to be used 21 FRITSCH a 4 6 Connecting the computer 4 7 Adjusting the mains voltage NOTICE Fritsch mills are speed controlled The devices are equipped for this with frequency converters In order to comply with the EMC directive many measures must be taken to pre vent operational transient emissions The possible leakage currents resulting from filtering meas ures can trigger a conventional residual current circuit breaker in the mains line This is no defect To prevent this special residual current circuit breakers which are adapted for operation with frequency converters are commercially available Operation without a residual current switch is possible but must be done in accordance with the relevant regulations An RS232 interface is located on the front panel of the P 4 Connect this interface to the RS232 interface on your computer The PULVERISETTE 4 is supplied for connection to a 400 V 3 phase elec trical supply only To adapt it to a different supply network it must be connected through a 3 phase converter 04 1800 00 Technical data W Primary 200 V 3 phase or 230 V
29. imentation Reference value When grinding at high speeds and with large bowls a grinding duration of one hour depending on the temperature should not be exceeded Then allow the unit to cool down for half an hour to one hour NOTICE Observe the warming up of the grinding stock e A longer running time may require pause times for cooling down Checkthat the tensioning device is firmly connected when switching on again after a cooling down phase NOTICE If bowls are removed during a grinding pause check that they fit correctly before the device is switched back on The extent to which the heating up of grinding stock needs J to be observed depends on the sample used in each indi vidual case Note A longer running time may also require a longer pause time for cooling down 335 FRITSCH a To reduce the grinding time you can use a grinding bowl and grinding balls with a higher density and thus a higher impact energy The mill can also run for several hours during low speed operations for mixing and homogenisation Operation with an external time switch is not possible 6 8 Settings on the control panel W Switch on the main switch 8 on the right hand side of the machine W The LED display lights up 6 8 1 Select program By pressing the program key program storage locations 1 9 are selected The rotational speeds of the main disc and of the planet gears the milling duration
30. istered under category 9 monitoring and control instruments It has been accepted that FRITSCH is operating only in the business to business area The German registration number for FRITSCH is WEEE reg no DE 60198769 FRITSCH WEEE coverage Since the registration of FRITSCH is classified for bilateral transactions no legal recycling or disposal process is described FRITSCH is not obliged to take back used FRITSCH devices FRITSCH declares it is prepared to take back used FRITSCH devices for recycling or disposal free of charge whenever a new device is purchased The used FRITSCH device must be delivered free of charge to a FRITSCH establishment In all other cases FRITSCH takes back used FRITSCH devices for recycling or disposal only against payment 254T FRITSCH mia 13 Guarantee terms Guarantee period Conditions for claims against the guar antee Reasons for loss of the guarantee As manufacturer FRITSCH GmbH provides above and beyond any guar antee claims against the seller a guaranty valid for the duration of two years from the date of issue of the guarantee certificate supplied with the device Within this guarantee period we shall remedy all deficiencies due to material or manufacturing defects free of charge Rectification may take the form of either repair or replacement of the device at our sole discre tion The guarantee may be redeemed in all countries in which this FRITSCH device is sol
31. less steel 80 ml 50 8800 00 Stainless steel 250 ml 50 8300 00 Stainless steel 500 ml 50 8200 00 Agate 250 ml 50 8100 00 Agate 500 ml 50 8000 00 NOTICE The soft black sealing rings made of Viton can endure e temperatures of approx 200 C The valves d can endure temperatures of approx 180 C for one hour at most NOTICE The grinding parts made of agate are only designed for temperatures of up to 100 C After this point they need to be slowly and carefully cooled down 7 2 GTM system The GTM system is available as an accessory for recording pressure and temperatures in the grinding bowl during grinding Instructions are included with the GTM system 44 FRITSCH a 8 Cleaning 8 1 Grinding elements 8 2 Mill DANGER Mains voltage Before beginning with cleaning work disconnect the mains plug and protect the device against being unin tentionally switched back on Donotallow any liquids to flow into the device Indicate cleaning work with warning signs Put safety equipment back into operation after cleaning work When cleaning the entire device adhere to the guidelines of the Accident Prevention Regulation BGV A3 especially when the device has been set up in a dusty environment or when the grinding stock processed produces dust TIPS NOTICE Cool grinding elements made of agate sintered corundum zirconium oxide and silicon nitride slowly and carefully Do
32. llet during transport CAUTION Gewicht der Vario Planetenm hle betr gt ca 320 kg NOTICE Never operate the mill while it is standing on the transport pallet NOTICE Keep any obstructions away from the air outlet on the side ventilation grate Risk of overheating NOTICE Place the mill on a flat stable surface Block the two front wheels by pressing on the pedals W Liftthe mill of the transport pallet using a crane Procedure 1 amp Open the hood see Protective equipment on page 14 2 Attach the crane hooks to the lifting lug 19 FRITSCH A 3 Carefully lift the machine and place it into position 4 After positioning it remove the lifting lug 5 p Attach the cover 20 FRITSCH ais 4 4 Ambient conditions WARNING Mains voltage The device may only be operated indoors The surrounding air may not carry any electrically con ductive dust Maximum relative humidity 8096 for temperatures up to 31 C linearly decreasing down to 50 relative humidity at 40 C W The room temperature has to stay between 5 40 C Altitudes up to 2000 m W Degree of pollution 2 according to IEC 664 4 5 Electrical connection A A DANGER Provide short circuit protection Risk of damage due to short circuits Make sure that the socket is connected to a mains line protected with a residual current circuit breaker DANGER Mains voltage C
33. n 22 4 7 Adjusting the mains voltage 22 4 8 Detection of the direction of rotation ssssse 22 5 Initial start up rone tenet tinte e tpe dari 23 5 1 Switching Oh eter ennt n haee in ceu ag Re c 23 5 2 Function check iecore eee eene enne enun enint nenne 23 5 3 Switching off ieesesseeeeniseter tente their rins 23 6 Using the device reprehner tau r 1 innia 24 6 1 Choice of grinding bowls and grinding balls 24 FRITSCH sa 10 11 12 6 1 1 Size of the grinding balls neennennennn 26 6 1 2 Number of balls per grinding bowl independent of the material quantity esses enne 27 6 1 3 Calculated weight of a ball 28 6 2 Filling quantities of grinding bowls esses 28 6 3 Filling the grinding bowl seen 29 6 4 Factors with an impact on grinding esses 29 6 4 1 Running time grinding duration usse 29 6 42 Speed C EE 29 6 4 3 Reverse mode essen enne 30 6 4 4 Number and size of the balls 30 6 4 5 Weight of the balls type of material 30 6 4 6 Dry grinding ener ern entendu tha nnus san nano 30 6 4 7 Wet grinding grinding in a suspension 31 6 5 Clamping the grinding bowls 31 6 5 1 Clamping the 500 ml 250 ml and 80 ml grinding bowls
34. n should be worn to prevent hearing damage WARNING The maximum accepted concentration MAC levels of the relevant safety guidelines must be observed if necessary ventilation must be provided or the machine must be oper ated under an extractor hood DANGER Explosion hazard When grinding oxidizable substances e g metals or coal there is a risk of spontaneous combustion dust explosion if the share of fine particles exceeds a cer tain percentage When grinding these kinds of sub stances special safety measures must be taken and the work must be supervised from a specialist The PULVERISETTE 4 is not explosion protected and is not designed to grind explosive materials Do not remove the information signs NOTICE Immediately replace damaged or illegible information signs Unauthorised alteration of the PULVERISETTE 4 will void Fritsch s declaration of conformity to European directives and void the guar antee Only use the PULVERISETTE 4 when it is in proper working order as intended and in a safety and hazard conscious manner adhering to the operating manual In particular immediately rectify any malfunc tions that could pose a safety hazard If after reading the operating manual there are still questions or problems please do not hesitate to contact our specialised per sonnel 13 FRITSCH ss 2 6 Protective equipment C Protective equipment must be used as intended and may not
35. nsubstantially affects the value or proper functioning of the device W The device type or serial number on the device has been changed deleted removed or in any other way rendered illegible B The above mentioned documents have been changed in any way or rendered illegible 52 FRITSCH a Costs not covered by the guarantee Further information about the guar antee This guarantee excludes any costs for transport packaging or travel that accrue in the event the product must be sent to us or in the event that one of our specialist technicians is required to come to your site Any servicing done by persons not authorised by us and any use of parts that are not original FRITSCH accessories and spare parts will void the guar antee The guarantee period will neither extend nor will a new period of guar antee begin in the event that a claim is placed against the guarantee Please provide a detailed description of the type of error or the com plaint If no error description is enclosed we shall interpret the shipment as an assignment to remedy all recognisable errors or faults including those not covered by the guarantee Errors or faults not covered by the guarantee shall in this case be rectified at cost We recommend reading the operating manual before contacting us or your dealer in order to avoid unnecessary inconvenience Ownership of defective parts is transferred to us with the delivery of the replacement part
36. od handle Hood lock Hood Grinding bowl holder 00 0 U1 Emergency stop switch RS232 interface Control panel Main switch FRITSCH mi 2 Safety information and use 2 1 Requirements for the user 2 2 Scope of application This operating manual is intended for persons assigned with operating and monitoring the Fritsch PULVERISETTE 4 The operating manual and especially its safety instructions are to be observed by all persons working on or with this device In addition the applicable rules and regu lations for accident prevention at the installation site are to be observed Always keep the operating manual at the installation site of the PULVERI SETTE 4 People with health problems or under the influence of medication drugs alcohol or exhaustion must not operate this device The PULVERISETTE 4 may only be operated by authorised persons and serviced or repaired by trained specialists All commissioning mainte nance and repair work may only be carried out by technically qualified personnel Qualified personnel are persons who because of their educa tion experience and training as well as their knowledge of relevant standards regulations accident prevention guidelines and operating conditions are authorised by those responsible for the safety of the machine to carry out the required work and are able to recognize and avoid possible hazards as defined for skilled workers in IEC 364 In order to prevent hazards
37. pecial safety information To call attention to specific hazards the following symbols are used in the safety information DANGER This symbol and keyword combination points out a directly hazardous situation due to electrical current Ignoring infor mation with this designation will result in serious or fatal injury DANGER This symbol and keyword combination designates contents and instructions for proper use of the machine in explosive areas or with explosive substances Ignoring information with this designation will result in serious or fatal injury DANGER This symbol and keyword combination designates contents and instructions for proper use of the machine with com bustible substances Ignoring information with this designa tion will result in serious or fatal injury WARNING This symbol and keyword combination points out a directly hazardous situation due to movable parts Ignoring infor mation with this designation can result in hand injuries WARNING This symbol and keyword combination points out a directly hazardous situation due to hot surfaces Ignoring informa tion with this designation can result in serious burn injuries due to skin contact with hot surfaces gt e e gt gt 11 FRITSCH aa Safety information in the procedure instructions Tips and recommendations Further designations Safety information can refer to specific individual procedure instruc tions Such safety in
38. percentage of fine material To reduce the grinding time you can use a grinding bowl and grinding balls with a higher density and thus a higher impact energy Higher speeds shorten the grinding time and increase the share of fine particles 29 FRITSCH a 6 4 3 Reverse mode W Useful for mechanical alloying B Improvement of the homogeneity of the sample 6 4 Number and size of the balls Pre grind course hard material with large balls reduced percentage of fine material Many small balls increase the percentage of fine material during extended running time 6 4 5 Weight of the balls type of material A higher mass specific weight of the grinding balls accelerates grinding see table in amp Choice of grinding bowls and grinding balls on page 24 6 4 6 Dry grinding Below a particle size of approx 20 um the surface forces prevail The grinding stock begins to stick Additional dry comminution can be achieved by adding surface active substances to the material to be ground Examples maximum amount to be added in mass Stearic acid 2 396 Aerosil fine particle silicic acid 0 5 296 Quartz sand 2 Glass powder 2 Glycol Ethylene glycol 0 1 0 5 96 4 5 25 droplets Triethanolamine 0 1 0 5 96 30 FRITSCH aa 6 4 7 Wet grinding grinding in a suspension DANGER Explosion hazard Ignition hazard The device is not explosion protected If flammable liquids are use
39. ponding bore holes NOTICE Hexagon screw with blue shaft is for standard bowls with standard lids and standard bowls with gassing lids red shaft for GTM systems additional lock sys tems and combinations of gassing lid with addi tional lock system 32 FRITSCH ra 4 Turn the three hexagon screws evenly by hand until all screw heads lie on the clamping plate 5 Then tighten all three hexagon screws evenly using the face pin spanner and the ring spanner NOTICE Donot turn the heads off the screws e Ifthe clamping plate is not sufficiently tightened the sample material can be forced out of the grinding bowl or the grinding bowl can slip out of the clamping device and damage the machine Fritsch GmbH can accept no responsibility for improper handling After several minutes of grinding and in the cooling down phases check that the clamping device is firmly seated 6 5 2 Clamping the 45 ml and 12 ml grinding bowls 1 Place the grinding bowl into the holder 2 Then place the clamping plate c onto the bowl lid 33 FRITSCH ie 3 p Insert the provided hexagon socket screws d into the corre sponding bore holes 4 y Turn the three hexagon socket screws evenly by hand until all screw heads lie on the clamping plate 5 Then tighten the three hexagon socket screws evenly using the hex key NOTICE Donotturn the heads off the
40. pre vent risk of damage to persons or property or of other direct or indirect damage resulting from this or other causes the customer must imple ment sufficient and comprehensive safety measures for working with the product 54 FRITSCH ra Fritsch GmbH excludes any liability warranty or other obligation to com pensate for damages regardless of whether this liability warranty or other obligation is explicit or implicit contractual or arising from unlawful acts or prescribed contractually by law or otherwise In no event shall the buyer be entitled to any compensation from Fritsch GmbH for any special direct indirect coincidental or consequential damage including but not limited to lost profits lost savings lost sales or financial loss of any kind or for compensation of third parties for downtimes for lost goodwill for damage to or replacement of equip ment and property for costs or restoration of materials or goods related to the product or the use of our products for other damage or injury to persons including fatal injuries or similar The above exclusion of lia bility is limited by mandatory liability as prescribed by laws or jurispru dence Liability for negligence is excluded in all cases No permission is given expressly implicitly or otherwise for the use of patents brands or other copyrights We also assume no liability for copy right infringements or infringements of the rights of third parties a
41. r ratio Furthermore for the first time a planetary ball mill can be ideally adjusted to the grinding stock being comminuted and the size of the grinding bowls and balls Before using the PULVERISETTE 4 this manual is to be carefully read and understood The use of the PULVERISETTE 4 requires technical knowl edge only commercial use is permitted The operating personnel must be familiar with the content of the oper ating manual For this reason it is very important that these persons actually receive the present operating manual Ensure that the operating manual is always near the device The PULVERISETTE 4 may exclusively be used within the scope of applica tions set down in this manual and within the framework of guidelines put forth in this manual In case of non compliance or improper use the customer assumes full liability for the functional capability of the PUL VERISETTE 4 and for any damage or injury arising from failure to fulfil this obligation FRITSCH mi By using the PULVERISETTE 4 the customer agrees with this and recog nizes that defects malfunctions or errors cannot be completely excluded To prevent risk of damage to persons or property or of other direct or indirect damage resulting from this or other causes the cus tomer must implement sufficient and comprehensive safety measures for working with the PULVERISETTE 4 Neither compliance with this manual nor the conditions and methods used during ins
42. rising from the use of this product Neither compliance with this operating manual nor the conditions and methods used during installation operation use and maintenance of the product can be monitored by Fritsch GmbH Improper execution of the installation can result in property damage and thus endanger persons Therefore we assume absolutely no responsibility or liability for loss damage or costs that result from errors at installation improper opera tion or improper use or improper maintenance or are in any way con nected to these 55 FRITSCH a E d NU 15 Safety logbook Date Maintenance Repair Name Signature 256 FRITSCH gn NNNM Date Maintenance Repair Name Signature 57 s FRITSCH aa 16 Index A Accident prevention 2 222m seen 8 Additional clamping system 222 220 39 Ambient conditions llle eee eee 21 Authorised persons 00 0 eee eee eee 8 C Cleaning grinding elements 45 Cleaning the mill llle 45 Cleaning the valves llle een 43 Conducting a grinding operation 37 Cooling the grinding bowl less 38 D DIMENSIONS 3 16 Disposal nur ee ua e cic i ne 51 Dry grinding ouuu 2222002 een 30 E Electrical connection llle 21 Electrical safety llle 15 16 Examples of comminution tasks 49 Exclusion of liability llle 54 Explanation of sign
43. s llle 10 Explanation of symbols llle 10 F Filling grinding bowls sls 29 Filling quantities of the grinding bowls 28 Finalfineness llle ee 17 G Grinding duration 0 00 eee eee 35 Grinding ininertgas 0 200005 41 GTM system 0202 eee eee eee 44 Guaranteeterms leeren 52 I Initial start up 2 2 222 onen 23 Installing valveinserts 2 ee eee eee 44 M Maintenance llle 46 Materials llle 17 58 N Number of balls perbowl 27 o Operating noise ee 16 Overload eee ees 37 Overload protection 0000 eee eee 15 P Power consumption lle 16 Preparing gassing 1 6 lle 42 Protection against restart 15 Protective equipment 0 eee ee eee 14 R Reparatur 22 22 come nen 47 Requirements fortheuser 22 22222220 8 Reverse mode llle 30 Runningtime corner nennen 29 S Safety information llle 10 Safetylogbook llle 56 57 Selecting the grinding balls l l 24 Selecting the grinding bowl 24 Setting zu ios uode ck UR odd Ja fer Sat a o deri 19 Size of the grinding balls 26 Skilled workers eee ee eee 8 Speed METRI ucc LT 29 U Unpacking inanis 3242435 CR n eda 18 V Ventilating after grinding 43 Voltage iss ae
44. s not restart 2 8 3 Overload protection In the event of an overload the device reduces the speed in a controlled manner If the main disc is overloaded error code 7 or 8 flashes in the display The device switches off if the drive motor becomes too hot The device switches off if the drive is blocked See Repairs on page 47 15 FRITSCH mia 3 Technical data 3 1 Dimensions 3 2 Weight 3 3 Operating noise 3 4 Voltage 3 5 Current consumption 3 6 Power consumption 3 7 Electrical fuses 130 x 70 x 70 cm height x width x depth 320 kg Emissions value of workplace according to DIN EN ISO 3746 2005 is 70 dB A The value fluctuates strongly depending on the speed the grinding stock and the type of grinding bowl and grinding balls 400V 3 230 V 3 with special transformer order no 04 1800 00 See also amp Installation on page 18 Transient overvoltages in accordance with overvoltage category Il are permitted With 400 V mains voltage the current consumption is 15 A Depending on the mains voltage the maximum power consumption is as follows 10000 VA Fuses depend on the mains voltage Please refer to the type plate Various fuses for the motor drives fans and control transformers are located in the drawer on the lower right side 2364 FRITSCH as CAUTION Only trained personnel are authorized to open and check the electrical equipment 3 8 Material
45. screws e Ifthe clamping plate is not sufficiently tightened the sample material can be forced out of the grinding bowl or the grinding bowl can slip out of the clamping device and damage the machine Fritsch GmbH can accept no responsibility for improper handling After several minutes of grinding and in the cooling down phases check that the clamping device is firmly seated 6 6 Mass balance Load the mill symmetrically Always clamp an equally heavy grinding bowl with lid and sealing ring in the opposite grinding bowl holder to balance the weight NOTICE Extra weights like GTM and additional clamping e system have to be balanced as well 34 FRITSCH a B 6 7 Grinding duration WARNING Burn hazard Grinding bowls can get very hot after long grinding dura tions Wear protective gloves for removal after grinding or during the grinding breaks Depending on the application the grinding duration should be adapted to the development of heat in the bowls The temperature inside the bowls is 20 30 C warmer than the outer casing temperature CAUTION The maximum temperature of the grinding bowl outer casing is 100 110 C agate max 70 80 C The grinding duration is therefore based on the maximum bowl temperature The grinding duration at which the tem perature is not exceeded depends on the material ball and speed For this reason the user should determine it through exper
46. sult will have a smaller particle size distribution Ball diameter mm Grinding bowl 80 250 500 volume ml 5 Number of balls pcs 250 300 1200 1300 2000 2500 10 Number of balls pcs 25 30 50 150 100 250 15 Number of balls pcs 10 45 50 70 100 20 Number of balls pcs 5 15 20 25 35 30 Number of balls pcs 5 6 10 40 Number of balls pcs 4 These are reference figures The number of balls may need to be deter mined through experimentation CAUTION When grinding with a ball size of 30 mm or 40 mm do not let the device run unsupervised The vibrations may lead to shifting 27 FRITSCH a 6 1 3 Calculated weight of a ball Ball diameter in mm 5 10 15 20 30 40 Material Density Calculated weight of a ball in g in g cm Agate 2 65 0 17 1 39 4 68 11 1 37 46 88 8 Silicon nitride 3 25 0 21 1 7 5 74 13 61 45 94 108 91 Sintered 3 9 0 25 2 04 6 89 16 33 55 13 130 69 corundum Zirconium 5 7 0 37 2 99 10 07 23 88 80 58 191 01 oxide Stainless steel 7 8 0 51 4 08 13 78 32 67 110 27 261 38 Hardened steel 7 9 0 52 4 13 13 96 33 09 111 68 264 73 Tungsten car 14 9 0 97 7 8 26 33 62 41 210 64 499 3 bide To determine the weight of the required balls the calculated weight of a ball is multiplied by the number of balls required Example A 250 ml agate bowl is to be filled with 1221 agate balls with a diameter of 5 mm Calculation 0 17g 1221 St 208 g 208 g of grinding balls can be weighed
47. tallation operation use and maintenance of the PUL VERISETTE 4 can be monitored by Fritsch GmbH Improper execution of the installation can result in property damage and thus endanger per sons Therefore we assume absolutely no responsibility or liability for loss damage or costs that result from errors at installation improper operation or improper use or improper maintenance or are in any way connected to these The applicable accident prevention guidelines must be complied with Generally applicable legal and other obligatory regulations regarding environmental protection must be observed 2 4 Information on hazards and symbols used in this manual Safety information Safety information in this manual is designated by symbols Safety infor mation is introduced by keywords that express the extent of the hazard DANGER This symbol and keyword combination points out a directly hazardous situation that can result in death or serious injury if not avoided WARNING This symbol and keyword combination points out a possibly hazardous situation that can result in death or serious injury if not avoided CAUTION This symbol and keyword combination points out a possibly hazardous situation that can result in slight or minor injury if not avoided gt 10 FRITSCH a m NOTICE This symbol and keyword combination points out a possibly hazardous situation that can result in property damage if not avoided S
48. the defective part shall be returned to us at buyer s expense NOTICE Please note that in the event that the device must be e returned the device must be shipped in the original Fritsch packaging Fritsch GmbH denies all liability for any damage due to improper packaging packaging not from Fritsch Any enquiries must include a reference to the serial number imprinted on the type plate 53 FRITSCH min 14 Exclusion of liability Before using the product be sure to have read and understood this operating manual The use of the product requires technical knowledge only commercial use is permitted The product may be used exclusively within the scope of applications set down in this operating manual and within the framework of guidelines put forth in this operating manual and must be subject to regular main tenance In case of non compliance improper use or improper mainte nance the customer assumes full liability for the functional capability of the product and for damage or injury arising from violating these obliga tions The contents of this operating manual are subject in entirety to copy right law This operating manual and its contents may not be copied fur ther distributed or stored in any form in part or in whole without the prior written consent of Fritsch This operating manual has been prepared to the best of our knowledge and checked for accuracy at the time of printing FRITSCH GMBH ass
49. tle samples Hard brittle samples Hard abrasive sam ples The grinding bowls and grinding balls made of zirconium oxide are resistant to acids apart from hydrofluoric acid 25 FRITSCH ie Normally choose a grinding bowl and grinding balls that are made of the same material Exception Tungsten carbide balls 20 mm may be temporarily a few minutes combined with grinding bowls made of hardened steel 6 1 1 Size of the grinding balls Type of feed material Hard samples with a maximum feed size of 10 mm Average feed size of 5 mm Fine material 0 5 mm Homogenisation of dry or liquid samples Homogenisation of viscous samples Suitable ball diameter 30 mm or 40 mm 20mm 10 mm or 5 mm 10 mm 20mm These are reference values The size of bowls and grinding balls may need to be determined through experimentation NOTICE It is not advisable to mix balls of different diameters If e balls with different diameters are used increased wear to the balls is to be expected NOTICE Balls with a diameter of 40 mm are rarely used for grinding because this ball size can cause damage to the grinding bowl fast if the grinding duration is too long Only use grinding balls of this diameter for brief grinding durations 26 FRITSCH niu 6 1 2 Number of balls per grinding bowl independent of the material quantity A higher number of balls will reduce the grinding time and the grinding re
50. umes no guarantee or liability whatsoever for the accuracy or com pleteness of the contents of this operating manual including but not limited to the implied warranties of merchantability and fitness for a par ticular purpose unless liability is expressly prescribed by applicable laws or jurisprudence FRITSCH GMBH expressly reserves the right to modify and or update this operating manual without prior notice The same applies to modifica tions and improvements to the products described in this operating manual It is the responsibility of the user to ensure that they have the current version of this operating manual For more information please contact your local FRITSCH GMBH distributor or Fritsch GmbH Industri estr 8 D 55473 Idar Oberstein Not all parts shown here are necessarily installed in the product The buyer is not entitled to delivery of these parts If interested please con tact your local FRITSCH GMBH distributor or Fritsch GmbH Industriestr 8 D 55743 Idar Oberstein FRITSCH GMBH takes the greatest care to ensure that the quality relia bility and safety of your products are continuously improved and adapted to the state of the art The supplied products as well as this operating manual conform to the current state of the art when they leave the sphere of influence of FRITSCH GMBH By using the product the customer agrees with this and recognizes that defects malfunctions or errors cannot be completely excluded To
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