Installation and Operating Instructions April 2014 for Netter
Contents
1. NetterVibration IN A Installation and Operating Instructions April 2014 for Netter Pneumatic Piston Vibrators BA No 1391E Page 1 20 CE These operating instructions apply to NTP 25 Netter GmbH www NetterVibration com NTP 32 NTP 48 Germany Fritz Ullmann Stra e 9 55252 Mainz Kastel Tel 49 6134 2901 0 Fax 49 6134 2901 33 info NetterVibration de Switzerland Erlenweg 4 4310 Rheinfelden Tel 41 61 8316200 Fax 41 61 8311291 info NetterVibration ch Poland Al W Korfantego 195 17 40 153 Katowice Tel 48 32 2050947 Fax 48 32 2051572 info NetterVibration pl Contents 1 GENERAL NOTES 2 SAFETY 3 TECHNICAL DATA 4 DESIGN AND FUNCTION 5 TRANSPORT AND STORAGE 6 INSTALLATION 7 START UP OPERATION 8 SERVICE MAINTENANCE 9 TROUBLESHOOTING 10 SPARE PARTS 11 ACCESSORIES 12 DISPOSAL 13 ENCLOSURES Scope of delivery As a rule the NTP are delivered with the following components e Pneumatic piston vibrator NTP e Operating instructions e Packaging For changes to the scope of delivery please refer to the delivery note 10 11 13 15 16 17 18 19 20 Check the packaging for possible signs of transport damage In the event of damage to the packaging check that the contents are complete and undamaged If there is any damage inform the shipping agent Compare the scope of the delivery with the delivery note 1 General Notes Information on the operating ins2. Plastic All devices can be disposed of through Netter GmbH The applicable disposal prices are available upon request 19 13 Enclosures Additional information avail able upon request IMPORTANT Brochure no 26 NTP etc Enclosure s PAS Declaration of Incorporation 20
3. The technical data are reference values and may vary depending on the application further data available upon request We recommend consultation with the Netter GmbH application engineers Subject to technical changes Admissible operating conditions Drive medium Clean filter lt 5 um quality class 3 according to DIN ISO 8573 1 Compressed air or nitrogen Operating pressure 2 bar to 6 bar The operating pressures must not be exceeded or fallen short of Lubrication NetterVibration recommends a mist lubricator for all vibrators Fill mist lubricator with acid free and resin free pneumatic oil ISO viscosity class according to DIN 51519 VG 5 to VG 15 Recommendation Kluber AIRPRESS 15 for temperatures up to 60 C When using dried compressed air or under extreme ambient conditions a mist HS lubricator is compulsory Ee Me NTP L versions are suitable for the operation with oil free dried compressed air if the compressed air quality is complied with filter lt 5 um quality class 3 according to DIN ISO 8573 1 Ambient temperature NTP with Al housing black 5 C to 60 C NTP L versions for oil free operation 5 C to 60 C NTP NT versions for low temperatures 32 C to 60 C NTP HT versions for high temperatures 5 C to 160 C The admissible ambient temperatures must not be exceeded or fallen short of Special version stainless steel bronze on request Ambient conditions Operation in a dusty
4. using NBS fastening sets The NBS fastening sets serve to fasten the piston vibra tors safely and permanently The appropriate fastenings sets NBS can be supplied Fastening set Tightening Piston vibrator G for tapped hole torque D for through hole Nm NBS G 6 25 NBS G 10 30 ue NBS D 10 50 NBS G 12 40 aoa NBS D 12 60 Installation NTP Only with a 3 2 way valve the piston vibra tors NTP can start in any installation posi tion If the air supply is regulated by means of a 3 2 way valve the piston vibrators come to an immediate standstill after being switched off IMPORTANT Standard installation Drossel an a Air supply line The air resistance increases with the length of the hose The nominal widths shown in the chart apply to hose lengths of up to 3 m Longer supply lines require a larger cross sections A maintenance unit is recommended for all installations The maintenance unit should consist of filter regulator and mist lubrica tor see chapter 3 Technical Data Connect hoses to the NTP as shown in the pneumatic diagram Schalld mpfer Wartungseinheit Nir 3 2 Wegeventil Special diagrams on request VARI Air discharge line The exhaust air can be discharged through a hose The piston vibrator can only achieve full power if the discharge hose has a greater nominal width than the supply hose A silencer must be fitted to the free end Minimum cross sections
5. Troubleshooting Fault search Vibrator will Silencer Clean silencer not start Compressed air Check pressure on We recommend a 3 2 way valve to supply device Is enough vent the supply line to the device pressure availa ble Check valve Cover loose Check screws An unsealed cover causes stand still Tighten screws Line cross Check line cross Observe minimum cross sections sections sections See specifications under Installati on Line between Check length of Causes slow starting and possibly valve and NTP too line standstill of piston in mid position If long necessary install a pilot controlled 3 2 way valve in front of the vibra tor Exhaust over Check silencer is Open up throttle throttled air flow sufficient Clean silencer Grommet thread Check grommet Can cause deformation of housing too long or piston if this has already oc curred return device Distortion from Check if mounting mounting surface is level SCrews Power drop No lubrication Check correct Adjust lubricator functioning of lu bricator if lubricat ed compressed air is compulsory Unit soiled Disassemble Remove coating Wear Check device and _ See information in chapter Spare piston for visible Parts signs of wear Specification Check size of de Pay attention to line cross sections vice Has the cor see chapter Installation rect size been se lected Pressure too low _ Check pressure at Incr
6. environment is possible Preferably the exhaust air should be discharged in a dusty environment For NTP B C vibrators timed operation is mandatory for example duty time 5 s pause time 25 s Special versions stainless steel bronze on request Higher operating pressures and temperatures are only permitted after consultation and written approval by the appli cation technicians of Netter GmbH T Type designations NTP B C is the standard version An impact plate elastomer disc is inserted in the base plate which creates a rubber hammer effect RE importan NIP B versions have no impact plates the piston strikes against the cushion T of air above the base plate NTP B A are versions with a steel impact plate hard impacting with high noise level Operating time Noise level Over the life span the technical perfor The sound emitted by the NTP can be mance data will change wear dampened by a cover upon request This only makes sense if the impacted sheet metal is also dampened Dimensions D E F EA EN EA re mm mm ioa roo 76 13 60 1 4 Design and Function Pneumatic piston vibrators of the series NTP generate directional vibrations or shak ing movements The vibration is generated by a freely swinging differential pressure piston 2 In the standard version NTP B C the piston 2 strikes against an elastomer impact plate 10 thus creating a rubber hammer effect Version B has
7. for valves and hoses TYPE Connection thread Hosesize 3 2 way valve NTP 25 G 1 8 NW 4 or greater G 1 4 NW 4 or greater NTP 32 G 1 4 NW 6 or greater G 1 4 NW 6 or greater NTP 48 G 3 8 NW 9 or greater G 3 8 NW 9 or greater Check list for installation 1 Observe the expected operating tem perature 2 Mount the maintenance unit filter mist lubricator perhaps regulator the way valve and the air lines 5 Never use longer connecting threads than specified for the air supply line e g no tubes with male thread The housing may deform the piston will then seize 3 Check if fastening screws are secured 6 Ensure that no Teflon tape can en 4 The base plate must lie absolutely flat ter the unit This would cause sei otherwise the housing will distort and Zure The first two windings of the the device will not start thread should remain free 7 Observe the specified hose type hose length and nominal width 8 Secure the unit against falling down 12 T Start Up Operation ELS IMPORTANT IMPORTANT IMPORTANT IMPORTANT We recommend lubricated compressed air for the NTP vibrators When using dried compressed air and under extreme environmental conditions the installation of an upstream mist lu bricator is compulsory Oil lubrication Fill the mist lubricator with acid free and resin free pneumatic oil ISO viscosity class according to DIN 51519 VG 5 to VG 15 NTP 25 approx
8. 1 drop min NTP 32 approx 1 2 drops min NTP 48 approx 2 drops min Recommendation Kluber AIRPRESS 15 for temperatures up to 60 C KLUEBER ISOFLEX PDP 10 vorgeschrieben At temperatures below 0 C to 20 C the use of Kl ber ISOFLEX PDP 10 is com pulsory Compressed air quality class 3 DTP 20 7 BREAK FREE CLP At temperatures below 20 C the use of vorgeschrieben BREAK FREE CLP is compulsory Compressed air quality class 2 DTP 40 WV Aral Farolin vorgeschrieben At temperatures above 60 C to 160 C the use of Aral Farolin is compulsory ATTENTION Adjust number of drops while unit is running Only after the mist lubricator has been adjusted and is functioning cor rectly the unit is ready for operation NTP L versions are suitable for opera tion with oil free dried compressed air if the compressed air quality filter lt 5 um quality 3 in accordance with DIN ISO 8573 1 is complied with Filter compulsory 13 WARNING Regulation of amplitude The amplitude can be regulated by throttling the exhaust air throttle installed in air discharge line This reduces the centrifugal force The frequency remains approximately con stant Recommendation Only reduce amplitude by up to approx 50 Lower values can cause Start up problems iS Check list for start up 1 Check hose connections before open ing the compressed air supply 2 Set the desired fr
9. TANT aged If there is any damage inform the shipping agent The packaging protects the pneumatic pis ton vibrator from transport damage The packaging material has been selected based on environment and disposal friendly aspects and can be recycled Recycling of the packaging reduces raw material consumption and minimizes waste disposal The storage temperature can be 30 C to 60 C This does not apply to the operat ing temperature 6 Installation Ensure that the compressed air supply is shut 1N off during installation or when working at the WARNING Vibrator The diagram on the right shows the possible applica tions A on vibrating tables for compacting testing etc B on bins for emptying on vibrating throughs and sieves The housing of the piston vibrator has to be screwed to the mass to be vibrated The mounting surfaces must be absolutely level 0 4mm flatness so the vibrator has full area contact and the housing does not distort when the fixing screws are tight ened The surfaces should also be free of any paint residues or weld burns Tension in the housing can cause mechanical damage Directional vibrations are generated The working moment of the free swinging piston mass x distance is determined by the amplitude Fastening NetterVibration supplies appropriate fastening devices for the installation of the piston vibrators The piston vibrators are then mounted to these devices
10. class 3 Unfiltered compressed air leads to high wear clogging of silencers and to a complete failure of the vibrator The maintenance intervals will become shorter Filter empfohlen Maintenance schedule through DANGER Maintenance has to be performed every month Screw connections must be checked and retight Screw ened if necessary and secured with Loctite after one connections hour of operation after first commissioning and subsequently at regular intervals Check for free flow and kinks If necessary clean and remove kinks Air supply lines Silencer Clean and check function Check vibration Check function Ensure that mist lubricator is working correctly content Mist lubricator decreasing Number of drops h Refill oil Filter of the Replace filter insert empty filter if necessary clean maintenance unit wash out filter insert Recommended average tightening torques for screws of strength class 8 8 on the cover and housing Piston vibrator Tightening torques PNM NTP 25 po Mi 3 Nm IMPORTANT NTP 32 and NTP 48 The service intervals are largely dependent on the operating time and the cleanliness of the drive medium Especially in the NTP L devices which are operated with non lubricated and or dried compressed air higher abrasion can cause a coating that slows down the vibrator The maintenance intervals will become shorter in the course of the service life of the vibrator 15 9
11. e severe injury WARNING Avoiding the danger Ensure that the compressed air is shut off from the supply lines when working on the NTP non A DANGER G LY WEAR EAR PROTECTOR S Source of danger Vibrators parts of the construction and air inlet ports may become loose due to vibra tion Possible consequences of non observance Falling parts can cause injury or material damage Avoiding the danger For fastening the NTP Netter fastening sets NBS have to be used Screw locks and or Loctite or equivalent must be used Screwed connections and air inlet ports should be checked after 1 hour of operation and afterwards at regular intervals generally once per month and tightened if necessary In critical installation situations it is neces sary to secure the vibrator with a clamp and a steel safety rope Source of danger Near the vibrator or close to the construc tions connected with the vibrator the noise level can exceed 85 dB A Possible consequences of non observance Due to the high noise level a permanent impairment of hearing is possible Avoiding the danger When working in the noise area ear protec tion is absolutely required if the noise level exceeds 85 dB A Jan Feb 3 Technical Data Type Working moment Nominal frequency Centrifugal force Air consump Noise level cmkg min N tion dB A l min 4 bar 4 bar 2 bar 6 bar 2 bar 6 bar
12. ease pressure the device inlet during operation 16 10 Spare Parts When ordering spare parts please give the following details 1 Type of unit 2 Description of spare part 3 Required quantity AS Please note Piston and housing are matched to each other and can IMPORTANT Only be delivered together 17 11 Accessories The following accessories are available aa e o request for NTP piston vibrators Description Hose material and fit For air Remak e a and discharge in various grades and dimensions tings 3 2 way valves For electric pneumatic and manual activation Throttle valves For amplitude regulation manually adjustable or pneumatically controllable for remote control Filter regulator with gauge mist lubricator Electric or pneumatic for interval operation Electronic timers For quick repositioning of vibrators on containers Special versions Atex conform piston vibrators of the series NTP and devices with stainless steel housings are available Units for extreme tempera tures and for lubrication free operation available upon request 18 12 Disposal The parts must be correctly disposed of depending on the material Material specifications NTP 25 NTP 32 NTP 48 Stainless steel Screws Screws Screws Steel Piston Piston Piston ae a Housing Housing Aluminium Cover sip aa hou Cover base plate Cover base plate Silencer grommet Silencer grommet Silencer grommet seals seals seals
13. equency on the pres sure regulator if necessary WARNING 14 The NTP B C vibrators must only be operated in timed mode A 60 second max duty time must be followed by a 60 second min pause Alternatively short duty times lt 12 seconds may be used with a pause factor of 5 Example 5 seconds duty 25 seconds pause Regulation of frequency The frequency can be regulated by reducing the air pressure before the NTP This also reduces the centrifugal force The amplitude remains approximately con stant The pressure reduction can be achieved using a throttle with a constant pre pressure a pressure regulator however is more accurate NTP vibrators may also be operated in dusty or wet environments even under IMPORTANT Water if the exhaust air is discharged 3 Set the desired amplitude by throt tling the discharged air if necessary 4 Adjust the mist lubricator 5 After 1 hour of operation the air supply lines the cover screws and fastening screws must be checked and retightened if necessary After that the com pressed air supply lines the cover screws and fastening screws have to be checked and if necessary retightened regularly as a rule once a month 8 Service Maintenance WARNING IMPORTANT Before starting inspection or service work shut off the compressed air supply and pro tect it against unwanted activation The drive medium must be clean filter lt 5 um
14. ife 2 Safety Designated use The piston vibrators are intended for in corporation in machines These machines use piston vibrators to empty bins as drives for conveyor troughs sieves and vibrating tables and generally for loosen ing conveying compacting and separat ing bulk material and to reduce friction Any other use is considered improper use There are no built in safety devices Qualification of the personnel Assembly commissioning maintenance and repair of the pneumatic piston vibrators must be performed only by authorized qualified personnel Any handling of the piston vibrators lies within the responsibility of the operator Accessories which ensure the correct op eration and safety must provide a protec tion type required for the specific use Netter GmbH does not assume liability for damage or injury resulting from 1N technical modifications to the product or failure to observe the instruc WARNING tions and warnings in this operating manual Source of danger Faulty hose connections Possible consequences of non observance A pressurized hose coming loose can cause severe injury WARNING Avoiding the danger The hose lines must be securely connected This must be checked at regular intervals and the screw connections have to be retightened if necessary Source of danger The NTP work with compressed air Possible observance consequences A pressurized hose coming loose can caus
15. ion illustrations and descriptions in these operating instructions The manufacturer does not assume liability for damages resulting from e failure to observe the operating instructions e improper use e unauthorized repairs e technical modifications e use of inadmissible spare parts Translations are made to the best knowledge NetterVibration does not as sume liability for translation errors even if the translation was made by us or on our behalf Only the original German version is binding The following instruction and warning symbols are used in this operating manual DANGER WARNING WEAR EAR PROTECTORS IMPORTANT ENVIRONMENTALLY FRIENDLY DISPOSAL Information on the NTPs indicates a possible risk which can result in death per sonal injury and or material damage if the instruction is not followed indicates a possible risk which can result in personal injury and or material damage if the instruction is not followed indicates a possible risk which can result in personal injury if the instruction is not followed note with especially useful information and tips indicates the obligation of an environmentally friendly disposal The pneumatic piston vibrators of the se Special features ries NTP comply with the directive s Connocusi adusta 2006 42 EC Sure ts fe ag eae e High efficiency In particular the standard e Starts in any position DIN EN ISO 12100 has been observed e Long operating l
16. no impact plate 10 the pis ton 2 swings noiselessly against a cushion of air If the device is required to produce hard impacts either a steel plate is inserted into the base plate or the base plate 3 is completely removed This results in hard impacts against the surface to which the device is attached The frequency can be continuously adjust ed via the operating pressure the ampli tude is set by throttling the exhaust air Housing Piston Base plate Cover Screw Screw Air inlet port Air exhaust port Impact plate OOON DA WDNDN 5 Transport and Storage Check the packaging for possible signs of transport damage In the event of Packaging The vibrators are packed ready to install The type label is attached to the vibrator If lubricated compressed air is required this is indicated at the air inlet port of the vibra tor Accessories and add on parts are delivered loosely unless otherwise agreed Particular transport conditions are not re quired Storage The units should be stored in a clean and dry environment NTP piston vibrators must be lubricated before restorage pour machine oil into air inlet port and activate the NTP shortly while it is still installed Subsequently it can be disassembled and stored Always use ear protectors when operating the pneumatic piston vibrators WARNING 10 damage to the packaging check that the contents are complete and undam IMPOR
17. tructions Use and storage of the operating in structions Before using the pneumatic piston vibrators of the series NIP read this operating manual carefully It is the basis for any action taken with regard to the NTP and may be used for training purposes The operating manual should subsequently be stored near the NTP Target group The target group for these operating in structions is qualified technical personnel from the mechanical engineering sector who have a basic knowledge of pneu matics and mechanics Installation commissioning maintenance fault elimination and disassembly of the NTP piston vibrators must only be per formed by persons who have been in structed in the proper handling of the units Persons who have not been instructed accordingly must not carry out any works on the NTP Copyright This documentation is subject to copy right All rights e g for translation photo mechanical reproduction printing or re production e g data processing data carriers and data networks of this operat ing manual or parts thereof are strictly reserved to NetterVibration Limitation of liability All technical information data and instruc tions on installation operation and mainte nance in these operating instructions are based on the latest information available at the time of printing and take into account our past experience to the best of our knowledge No claims can be derived from the infor mat
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