Operating instructions - Harnisch+Rieth GmbH+Co.KG
Contents
1. Operating instructions Machine designation Special model cutting saw Machine type S G 350 Machine no Keep for future reference Dear customer Thank you for the confidence you have placed in us by purchasing this special model cutting saw Please take time to read these operating instructions carefully especially before using the unit for the first time as this will ensure that the unit will give you good service for many years to come Contents T Satetly ki va siek rit oak Fac sivi ede Aa SS SES ek oth Mag eded EANET EELE hee kise pe aswe tet SES TER 2 VA lt COMECHUSES x cc en ne cient teeth Seen iene ie De y s aa ea A eee 2 1 2 Possible dangers 227222840080 nm nn net ase ae peye da se re ase 2 1 3 Approved operatorsi r ns ent ns en ae th adden ane 3 1 4 Safety measures at site of operation 3 1 5 Marking of safety references contained in these instructions 3 2 Starting Up pako ka Mr ED an n e k k ke ede ie tk yen W eee feted ee baie 4 2 1 Technical datas sn re fastens the dap tated api do ka er a Bat a ol anl ent dear 4 2 2 Unpacking the special model cutting saw 5 2 3 Short description of unit and identification of components 5 2 4 Starting up procedure renee 7 3 Operation ne atecivadaaesececercaincsadtatieceteacndneasaacsecedsansasstasceechanteiasanacstiettnaias 8 3 1 Removing the diamond b2. Illus 5 Plate 22 Main switch 24 Start button two hand safety circuit 23 Magnet button S G 350 01 11 03 Vers 1 Turn the main switch 22 to On The magnet 3 is actuated and the extraction unit starts if the magnet push button 23 is pressed green light illuminates The motor only runs if the button 7 and start button 24 are pressed simultaneously two hand safety circuit Press the push button 23 again to break the magnet power supply The green light is also extinguished as a result 3 4 Sawing procedure see Illus 2 Page 6 Turn main switch 22 to On The magnet push button 23 should be off green light off 3 Place the model table 380 on the magnetic plate 3 The model should be ground so that it is No Oh SE oo Caution Danger completely within the clamping claws and lies level on the model support plate Fasten the model securely with the knurled nut 39 Open the clamping lever 40 Lower the saw lever 8 until the saw blade is just above the model Establish the sawing position of the model Press the magnet push button 23 The green lamp illuminates The model table base is se curely fixed The extraction unit is activated Tighten the clamping lever 40 firmly The model is now securely fixed Position the suction fitting 13 correctly with the aid of the knurled screw 18 Press the multifunction switch 7 and start butt
3. NO NO NO NO 35028 36208 70030 15041 15012 85001 93001 93002 81167 The special model cutting saw consists of a base frame with an affixed magnetic plate The electronics are integrated in the base frame powerful flange motor is attached to the saw lever which directly drives the saw blade It can be easily moved vertically on a ball bearing joint The model table is fastened to the magnetic plate by energizing the magnet The suction connection fitting with a diameter of 40 mm is located at the rear of the unit to gether with a socket for the necessary extraction unit A suction funnel travels along the entire length of the stroke ensuring clean dust free working conditions A rapid action stop device quickly brings the flange motor with the saw blade to a standstill The hand lever lowers the saw blade vertically onto the model S G 350 01 11 03 Vers 1 8 Illus 2 View from front right L Motor E Mode TT L sawiever fo Glamang iye i saw blege gad SSCS SP n S G 350 01 11 03 Vers 1 2 4 Starting up procedure AN 40 01 A see Illus 2 Page 6 and Illus 3 Page 7 Remove transportation protection by loosening the Philips screw in the base plate Insert the shorter screw attached to the transportation protection again Keep transportation protection for later use Insert the diamond blade see Section 3 2 Inserting the d
4. transformer is protected by a fine fuse 27 1 6 A T in the base plate Illus 6 Electrical fuse protection Lamp bracket Socket for extraction unit Extraction connection fitting 40 mm Fine fuse for illumination 1x 2 A T Mains connection socket 230 V 50 Hz For primary winding 1x 1 6 A T Main fuse 2x 10 A T Fine fuse for secondary winding 1x 10 A T S G 350 01 11 03 Vers 1 11 6 Warranty conditions This device conforms with current safety regulations and was subjected to extensive testing be fore leaving the works We grant a 12 months guarantee in which we are obliged to carry out all repairs necessary as a result of material or production faults free of charge Warranty limitations 1 The guarantee is considered void if repairs are not carried out by specialized dealers or by us 2 Spare parts deliveries made for reasons covered by the guarantee do not lead to an extension of the original guaranty period 3 Incorrect installation e g failure to heed VDE regulations or written installation instructions 4 Incorrect operation or stress 5 External influences e g transportation damage damage caused by impacting or blows dam age caused by the effects of weather or other natural phenomenae 6 Repairs and alterations not carried out by authorized third parties 7 Unit breakdown resulting from adjustment alteration or any o
5. Hz Il max 250 Watt 60 dB A 2x 10 A T mains connection 1x 1 6 A T primary winding transformer 1x 10 A T secondary winding transformer 1x 2 A T illumination 7500 rpm 0 3mm approx 25 mm 75 mm outer diameter diamond blade 40 mm outer diameter 75mm approx 12 kg S G 350 01 11 03 Vers 1 2 2 Unpacking the special model cutting saw 1 Place the carton on a flat surface 2 Remove the top packaging material 3 Push the packaging material away from the unit Grasp hold of the unit by the lower edge Caution Do not lift the saw by the motor out of the carton 4 The unit weight approx 12 kg should be lifted out of the carton by two persons 5 Check the accessories e Documentation e lt Mains power Cable ranimer iani ie eee it bien e P s a lente DAW DIAS guard arrir nas tone nee it pita end s k peso ed de nade Masses kita s b ee bed e Perspex safety screen e Modeltable ie sees cece eee ee ein ene eee e Cleaning stone with 2 Wooden supports eee eeeeteee cent ee eeenaeeeeeeeeeeeeeeeeee Di amond bl de 2s pin men aaa Mase Me ena ain RE e Offset screwdriver 2 mm for Allen socket screws eener e Offset screwdriver 3 mm for Allen socket SCFEWS neee e Straight pin diameter 4 mm e See delivery note for further possible accessories 2 3 Short description of unit and identification of components NO NO NO NO NO
6. by us Name of the manufacturer Harnisch Rieth Address of the manufacturer K ferstraRe 14 16 73650 Winterbach Machine designation Special model cutting saw Machine type S G 350 The following pertinent EC directives were applied EC machine directive 98 37 EC EC low voltage directive 73 23 EEC equivalent to 1 GSG regulation of 11 06 79 EC EMC directive 89 336 EEC equivalent to EMC law of 09 11 92 The following harmonizing standards were applied DIN EN 292 Machine safety DIN EN 61 010 1 Safety regulations for electrical measurement control and laboratory de vices DIN EN 55 014 Interference suppression of electrical devices and systems DIN EN 55 104 Electromagnetic compatibility noise resistance requirements category l Technical documentation is available The operation instructions relating to the machine are also available Director of the Quality Control Department Winterbach 1st July 2003
7. iamond blade Connect the activated extraction unit to the socket 17 Establish connection to the mains supply 230 volts 50 Hz with the mains connection cable Connect the suction hose diameter 40 mm to the connection fitting 14 See Section 3 3 Explanation of electrical function for further details on electrical function See Section 3 4 Sawing procedure for further details on sawing procedure Illus 3 View from rear 14 Extraction connection fitting 40 mm 16 Main fuse 2x 10 A T 15 Mains connection socket 230 V 50 Hz 17 Socket for extraction unit S G 350 01 11 03 Vers 1 7 3 Operation 3 1 Removing the diamond blade Note see Illus 2 Page 6 and Illus 4 Page 9 Insert the straight pin 32 in the cross hole 31 and loosen the screw 36 with the offset hex agonal Allen key 3 mm by turning counterclockwise countering by holding the straight pin 32 Remove the Allen screw 36 pressure disk 35 plastic disk 34 diamond blade 4 and steel disk 32 The diamond blade 44 is not fitted ex works 3 2 Inserting the diamond blade Note OV To NE a Danger Note see Illus 2 Page 6 and Illus 4 Page 9 Always ensure that the support surfaces of all parts concerned are free of dirt when inserting the saw blade Insert the steel disk 32 Insert the diamond blade 4 Insert the plastic disk 34 Push the pressure dis
8. k 35 onto the driver pins 37 Insert the straight pin 32 in the cross hole 31 and tighten the screw 36 lightly with the offset hexagonal Allen key 3 mm countering by holding the straight pin It should just be still possi ble to turn the diamond blade when the spindle is jammed Continue turning the diamond blade a few times This will eliminate any possibly unevenness and achieve an optimum degree of concentricity true running Tighten the screw 36 firmly by turning clockwise countering by holding the straight pin 32 The straight pin 32 may only be inserted into the cross hole 31 when changing saw blades It must be removed immediately when the blade is replaced Screw the saw blade guard 9 with the perspex safety screen on using the knurled screw 19 The diamond blade is not fitted ex works S G 350 01 11 03 Vers 1 Illus 4 Inserting the diamond blade Diamond blade Pressure disk Cross hole Hexagonal socket screw 3 mm Straight pin diameter 4 mm 2x driver pins marked offset Shaft Steel disk hardened 1 5 mm thick Plastic disk 0 3 mm thick 3 3 Explanation of electrical function see Illus 2 Page 6 22 Hauptschalte main switch a S G 350 san magnet a Harnisch Rieth
9. l should be ground flat and even Its circumference should be roughly adapted to the right angle of the clamping claws so that it can be securely fastened be tween them on the model holder plate Ensure that the model is fastened evenly between the three claws when clamping Never fasten it between two claws only The model can be thrown out of the model holder if not sufficiently fastened and the saw blade destroyed as a result The tool should only be operated with the saw blade guard mounted and the safety screen screwed in position The course of the saw blade when sawing should only be watched through the safety screen as projected parts could lead to injuries Maintain a sufficient safety distance from the saw blade Insert the rotating saw blade slowly and with moderate pressure into the model The saw should not be switched off while the blade is still in the saw notch Never insert the saw blade into a saw notch while the blade is stationary This will prevent the saw blade from jamming Switch off the unit and disconnect from the mains power supply before carrying out mainte nance and cleaning work The unit should be disconnected from the mains power supply before accessing the built in electrical components The unit is not suitable for use in rooms where special conditions exist e g corrosive or poten tially explosive atmospheres S G 350 01 11 03 Vers 1 1 3 Approved operators The operator of the unit sh
10. lade sr ener 8 3 2 Inserting the diamond blade W u sssseseeeereereee eee enneeeeeteeeeeteeeeeeieeeeeeeaa 8 3 3 Explanation of electrical function enker rrrnnn 9 SA A SAWING PrOCCOUNe Aoi ia raged re danti pe ral aie vical E A 10 4 Cleaning Maintenance cccccesseccceseeeeeeeseeeeeeeeeeenseeeseeeseeeseeeseseseeaeseeeseenseeeseaes 10 4 1 Cleaning the diamond blade keen nerne sen 10 Electrical fuse protection ses 11 Warranty conditions sense 12 EC declaration of conformity sise 13 S G 350 01 11 03 Vers 1 1 1 Safety 1 1 Correct use Caution The S G 350 special model cutting saw is used in dental laboratories for producing high preci sion saw cuts when cutting segments stumps out of models of different plaster like materials Dust generated during sawing should be extracted by a dust extraction installation specifically designed for this type of unit Unauthorized modifications and additions are not permitted for safety reasons The operating and maintenance conditions specified in these operating instructions must be ad hered to The unit is not designed as a medical device Use on people is prohibited 1 2 Possible dangers Danger The special model cutting saw is safe if used correctly but a risk of injury does exist if it is oper ated or handled incorrectly The bottom side of the mode
11. on 24 two hand safety circuit The saw blade begins to rotate Do not lower to saw into the model until the speed of the saw blade is sufficiently high Proceed by lowering the saw lever 8 gradually Clogging of the grit heats up the diamond blade while sawing This in turn leads to an expansion of the blade edge thus causing the blade to flutter Fluttering is a permanent twisting of the blade edge which can cause material fatigue and eventually breakage The same effect can be seen when too much pressure is exerted on the saw blade while saw ing very hard materials It is very important in such a case to lift the diamond blade several times out of the sawing notch so that it can cool down occasionally 4 Cleaning Maintenance 4 1 Cleaning the diamond blade Note The grit of the diamond blade can be cleaned of plaster clogging after lengthy periods of use by proceeding as follows Immerse the cleaning stone provided 100x24x12 mm until it is saturated with water Clamp the cleaning stone between the wooden supports 45x12x12 mm in the model table so that a thin slice can be cut off Cutting through the wet cleaning stone cleans the diamond grit 10 S G 350 01 11 03 Vers 1 5 Electrical fuse protection see Illus 6 Page 11 The mains connection 15 is protected by two main fuses 16 2x 10 A T The secondary winding transformer is protected by a fine fuse 28 10 A T The primary winding
12. ould ensure that the operating instructions are accessible to the op erating personnel and have been read and fully understood Only then should the operator commission the unit 1 4 Safety measures at site of operation The installation surface should be flat and stable enough to support the weight of the special model cutting saw Ensure that the workplace always complies with pertinent accident prevention regulations by in troducing appropriate internal company instructions and conducting inspections 1 5 Marking of safety references contained in these instructions Note Refers to tips and other particularly helpful information Caution Refers to particular methods of operation or handling non adherence to which can lead to mal functioning damage or other problems Danger Refers to dangerous situations which can lead to injuries S G 350 01 11 03 Vers 1 3 2 Starting up 2 1 Technical data Illus 1 Technical data Machine designation Machine type Unit dimensions Electrical connection Overvoltage category Power consumption Noise level Electrical fusing Speed Sawing thickness saw blade Sawing depth Saw blade Suction nozzle Stroke Weight Special model cutting saw S G 350 Width 265mm Depth 345mm Height 285 mm without illumination 230 Volt 50
13. ther attempt to adapt the unit is not considered a material or production fault This guarantee neither encompasses the costs of such adjustment alteration or any other attempt to adapt the unit nor remedying of the resulting damage 8 Normal wear and tear e g spray nozzles hoses and including hand held pieces union nuts glass panes carbon brushes illumination agents or damage resulting from incorrect operation is not covered by the terms of guarantee In order to provide you with a comprehensive service we would like you to fill out the guarantee return form enclosed at the beginning of these instructions and send it to us by fax or letter window envelope Verband Deutscher Elektrotechniker German Electrical Technician Association Fax no 0 71 81 73 13 9 Machine Ki A designation Special model cutting saw aschine type S G 350 Duplicate maschine yp Guarantee return form Maschine no Date of purchase Dealer Store Harnisch Rieth GmbH amp Co Maschinenbau Postfach 1260 Erom 73644 Winterbach Date signature 7 EC declaration of conformity as stipulated by the EC directive for machines 98 37 EC We hereby declare that the design of the machine specified below conforms with basic safety and health requirements of the listed EC directives This certificate is no longer valid in the event of modifications being made to the machine which are not approved
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