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Maintenance and care 

  

 

 

06.00|PZB-plus |en 

31 

 

 

Maintenance and care 

 

Notes 

Original spare parts 

When replacing damaged parts (wearing parts/spare parts) only 
use SCHUNK original spares. 

Replacement of housing and base jaws 

The base jaws and the guides in the housing are matched to each 
other. To have these parts replaced, send the complete module 
along with a repair order to SCHUNK. 

Maintenance of module with gripping force maintenance "I.D. 
gripping" (I.D.) and "A.D. gripping" (A.D.) 

The pistons have to be aligned using an assembly device. There-
fore we recommend to have the module serviced and the seals re-
placed by SCHUNK. 
If this is not possible, you can carry out the maintenance and re-
place the seals yourself. 

 

Maintenance and lubrication intervals 

  

 

NOTICE 

At ambient temperature above 60°C the lubricants can  
harden faster. 

•  Interval decrease accordingly. 

  

Maintenance- and lubrication interval 

  

Size 

50 - 300 

Interval [Mio. cycles] 

   

9.1 

9.2 

www.comoso.com

Summary of Contents for PZB-plus

Page 1: ...Translation of the original manual 3 Finger Centric Gripper PZB plus Assembly and Operating Manual Superior Clamping and Gripping www comoso com ...

Page 2: ...015 en SCHUNK GmbH Co KG All rights reserved Dear customer congratulations on choosing a SCHUNK product By choosing SCHUNK you have opted for the highest precision top quality and best service You are going to increase the process reliability of your production and achieve best machining results to the customer s complete satisfaction SCHUNK products are inspiring Our detailed assembly and operati...

Page 3: ...es on particular risks 9 2 7 1 Variant gripping force maintenance 10 3 Warranty 11 4 Scope of delivery 12 5 Accessories 12 5 1 Sensors 12 6 Technical data 13 7 Assembly 14 7 1 Mechanical connection 14 7 2 Mounting of the gripper by using a spring loaded pressure piece 16 7 3 air connections 17 7 4 Sensors 18 7 4 1 Inductive proximity switch IN 80 18 7 4 2 Magnetic switch MMS 22 RMS 22 21 7 4 3 Pro...

Page 4: ... 32 9 4 Disassembly of the module 32 9 4 1 Version without gripping force maintenance 32 9 4 2 Version with gripping force maintenance I D gripping 33 9 4 3 Version with gripping force maintenance I D 34 9 5 Servicing and assembling the module 35 9 5 1 Screw tightening torques 35 10 Assembly drawing 36 11 Sealing kit 37 12 Accessories kit 38 13 Translation of original declaration of incorporation ...

Page 5: ...uctions especial ly the chapter Basic safety notes Warnings To make risks clear the following signal words and symbols are used for safety notes DANGER Danger for persons Non compliance will inevitably cause irreversible injury or death WARNING Dangers for persons Ignoring a safety note like this can lead to irreversible injury and even death CAUTION Dangers for persons Non observance can cause mi...

Page 6: ...ipping force maintenance O D gripping PZB plus with gripping force maintenance I D gripping PZB plus High temperature version HT Applicable documents General terms of business Catalog data sheet of the purchased product Assembly and Operating manuals of the accessories The documents listed here can be downloaded on our homepage www schunk com 1 2 1 3 www comoso com ...

Page 7: ...and installation and operation notes in this manual and to comply with the maintenance intervals Not intended use Use which is not specified as an intended use is for instance when the product is for example used as a pressing tool stamping tool lifting tool guide for tools cutting tool tensioning mean boring tool Environmental and operating conditions Make sure that the product and the top jaws a...

Page 8: ...rized it can reach one of the end positions either open or closed and therefore no residual energy can be released when changing the top jaws Constructional changes attachments or modifications Additional drill holes threads or attachments that are not offered as accessories by SCHUNK may be attached only with permission of SCHUNK Personnel qualification The assembly initial commissioning maintena...

Page 9: ...plies before installation modification maintenance or adjustment work Make sure that no residual energy remains in the system Do not move parts by hand when the energy supply is con nected Do not reach into the open mechanism or the movement area of the unit Perform maintenance modifications and additions outside the danger zone Secure the product during all operations against uncontrolled activat...

Page 10: ...e moves of parts of the grip per possible Variant gripping force maintenance WARNING Risk of injury from objects falling during energy supply failure Products with a mechanical gripping force maintenance can dur ing energy supply failure still move independently in the direc tion specified by the mechanical gripping force maintenance Secure the end positions of the product with SCHUNK SDV P pressu...

Page 11: ...om the production facility un der the following conditions Observe the applicable documents 1 3 Page 6 Observance of the ambient conditions and operating conditions 2 3 Page 7 Observe the mandatory maintenance and lubrication intervals 9 Page 31 Parts touching the work piece and wearing parts are not part of the warranty 3 www comoso com ...

Page 12: ...ion catalog Sensors Overview of the compatible sensors Designation Type Inductive proximity switches IN Magnetic switch MMS Magnetic switch RMS Programmable magnetic switch MMS P Position monitoring FPS Position monitoring APS Exact type designation of the compatible sensors see catalog If you require information on sensor operation contact your SCHUNK contact person or download information from o...

Page 13: ...ntenance with gripping force maintenance 2 0 4 0 Max pressure bar without gripping force maintenance with gripping force maintenance 8 0 6 5 Pressure range for sealed air 0 5 1 Min ambient temperature C 10 max ambient temperature C 90 Noise emission dB A 70 IP rating 40 More technical data are included in the catalog data sheet Whi chever is the latest version 6 www comoso com ...

Page 14: ...to the entire bolting surface Requirements for levelness of the bolting surface Dimensions in mm Diameter Permissible unevenness 100 0 02 100 0 05 The module can be mounted from the front or the rear Assembly options The centring sleeves 55 and cylindrical pin 56 are included in the accessories kit 7 7 1 Check the evenness of the bolting surface Mounting www comoso com ...

Page 15: ...eep M12 20 deep M16 28 deep 3 Thread diameter and max depth of engagement for rear mounting without gripping force maintenance M4 10 deep M6 14 deep M8 16 deep M8 18 deep M10 18 deep M10 18 deep M12 25 deep with gripping force main tenance AS IS M4 20 deep M6 26 deep M8 32 deep M8 38 deep M10 45 deep M10 46 deep M12 60 deep NOTE When mounting from the back fasten the module by means of the provide...

Page 16: ...ion and cause contusions During assembly or disassembly be especially careful with the springs When mounting the gripper from the side of the gripper fingers the assembly of the pressure piece must be done after the mount ing of the gripper Mounting the pressure piece is described in the insert Installation instructions pressure piece which is included in the pressure piece s scope of delivery 7 2...

Page 17: ... must therefore implement sufficient reduction and or damping Observe the diagrams and information in the catalog data sheet NOTICE Observe the requirements for the air supply 6 Page 13 air connections Thread diameter of the air connections Item Connection PZB plus 50 64 80 100 125 160 200 240 300 1 Hose connection A open B closed 2x M5 2x G1 8 2x G1 4 2 Air purge connection M5 3 Hose free direct ...

Page 18: ...itch IN 80 Connection example for IN 80 1 brown 2 black 3 blue The inductive proximity switches used are equipped with reverse polarity protection and are short circuit proof Make sure that you handle the proximity switches properly Do not pull on the cable Do not allow the sensor to dangle from the cable Do not overtighten the mounting screw or mounting clip Please adhere to a permitted bend radi...

Page 19: ...hat the leakage current of the individual sensors approx 2 mA is cumulative NOTICE Blockade of the gripper after setting or replacing of the switch ing cam The switching cam can be tilt in the guide if it was not fixed ex actly in the base jaw Apply the switching cam in the direction of the base jaw so that the cam does not contact the housing of the gripper The switching points of the open and cl...

Page 20: ...arts to switch 7 Secure this switching point by tightening the screw 42 8 Test the function by opening the gripper and then closing it again Part gripped I D gripping 1 Push the proximity switch 1 14 to the stop in the bracket 17 2 Fasten the proximity switch by tightening the screw 17 3 Clamp the part to be gripped 4 Untighten the screw 42 In case of versions with dust cover the set screws from t...

Page 21: ...nges the switching positions of the sensor For example Adapter plate made of ordinary steel At ferromagnetic adapter plates The module must firstly be mounted on the adapter plate Then the positions of the magnetic switch have to be set The RMS sensors have a larger hysteresis than the MMS sensors This means that short gripper strokes may not be able to be moni tored with the RMS sensors 7 4 2 www...

Page 22: ...x the magnetic switch 1 8 in this position in the groove 12 5 Test the function by closing the gripper and then opening it again Gripper closed 1 Set the gripper to the Closed position 2 Slide the magnetic switch 2 2 into the groove 4 in the direc tion of the center of the gripper until it switches 3 By tightening the set screw 3 fix the magnetic switch 2 2 in this position in the groove 4 4 Test ...

Page 23: ... gripped I D gripping 1 Clamp the part to be gripped 2 Slide the magnetic switch 1 8 into the groove 12 until it comes into contact with the housing 3 Slide the magnetic switch 8 slowly back until it switches 4 By tightening the set screw 9 fix the magnetic switch 8 in this position in the groove 12 5 Test the function by closing the gripper and then opening it again Programmable magnetic switch M...

Page 24: ...convert the 4 pin con nector plug of the MMS P 22 S M8 PNP sensor to two standard M8 plugs with 3 pins each NOTICE Sensor can be damaged during assembly Do not exceed the maximum tightening torque of 10 Ncm for the set screws NOTE Ferromagnetic material changes the switching positions of the sensor For example Adapter plate made of ordinary steel At ferromagnetic adapter plates First module mounte...

Page 25: ...8 if available 2 If there is no terminal stop then slide the magnetic switch ac cording to dimension l2 bottom edge of gripper up to front side of sensor or according to dimension l1 bottom edge of gripper up to double arrow on sensor and then clamp with the mounting screw 3 Fix the sensor with an Allen wrench www comoso com ...

Page 26: ...5 3 44 2 PZB plus 200 IS 69 7 78 6 PZB plus 100 22 7 32 6 PZB plus 100 AS 44 7 53 6 PZB plus 100 IS 43 7 52 6 1 For pull relief the electronic has to be fixed with a cable clip 7 There are ribs 6 on the electronic of the sensor for fixing them 1 Keep the Teach Button 4 pressed for 2 seconds After 2 seconds flashing LED 1 3 2 Move the gripper into position 1 e g O position 3 Press the Teach Button ...

Page 27: ...matically determined by the sensor should be too high or too low after the adjustment of the switching points you may correct the value as follows The sensor avoids a too small hysteresis during hysteresis adjustment The smallest detectable difference in stroke is defined in the fol lowing table The smallest detectable difference in stroke based on the nominal stroke For Grippers with X mm nominal...

Page 28: ... 2 Push the switching cam of the mouting kit 21 with the cham fered side first into the base jaw 2 and fasten it by tightening the screw 38 form the mounting kit 3 First push the spacer 26 and then the flexible position sensor FPS M8 15 through the bracket 17 into the hole provided in the housing 1 to the stop and secure the sensor in this posi tion by tightening the screw 16 For adjustment of the...

Page 29: ... valve closed Open the flow control valve Component is broken e g through over loading Replace component or send the module with a repair order to SCHUNK Ensure that the module was only used within its defined application parameters The module does not travel through the entire stroke Possible cause Corrective action Dirt deposits between the cover and the piston Remove the cover clean the module ...

Page 30: ...e drops below minimum Check the air supply 7 3 Page 17 Module does not achieve the opening and closing times Possible cause Corrective action Compressed air lines are not installed optimally If present Open the flow control couplings on the module to the maximum that the movement of the jaws occurs without bouncing and hitting Check compressed air lines Inner diameter of the compressed air lines a...

Page 31: ...SCHUNK Maintenance of module with gripping force maintenance I D gripping I D and A D gripping A D The pistons have to be aligned using an assembly device There fore we recommend to have the module serviced and the seals re placed by SCHUNK If this is not possible you can carry out the maintenance and re place the seals yourself Maintenance and lubrication intervals NOTICE At ambient temperature a...

Page 32: ...d re place it with lubricating nipples Disassembly of the module Version without gripping force maintenance Position of the position numbers 10 Page 36 WARNING Risk of injury when the machine system moves unexpectedly Remove the energy supplies 1 Remove the compressed air hoses 2 Loosen the set screws and remove the pressure piece 3 Remove the cover 5 4 Mark the installation position of the piston...

Page 33: ...that it is still possible to remove the 4 screws 46 5 Unscrew the screws 46 6 Carefully open the bench vise and remove the cover 9 7 Remove the cylindrical pin 57 8 WARNING Risk of injury due to spring forces The cylinder pin is under spring tension Carefully disassamble the module Mark the installation position of the piston 10 and the housing 50 9 Clamp the module between the base jaws 2 and the...

Page 34: ...n der spring tension Carefully disassemble the module Clamp the module between the base jaws 2 and the cover 9 in the vise such that it is still possible to remove the 4 screws 46 5 Unscrew the screws 46 6 Carefully open the bench vise to remove the surface tension of the pressure spring 26 7 Remove the cover 9 and remove the compression spring 26 8 Mark the installation position of the cylinder p...

Page 35: ...kit 11 Page 37 Assembly takes place in the opposite order to disassembly Ob serve the following Unless otherwise specified secure all screws and nuts with Loc tite no 243 and tighten with the appropriate tightening torque 9 5 1 Page 35 Screw tightening torques Position of the position numbers 10 Page 36 Values in Nm Item PZB plus 50 64 80 100 125 160 200 240 300 13 10 10 20 20 40 80 100 150 200 41...

Page 36: ...gnment of the spare parts Variations are possible depending on size and variant Assembly of variants Wearing part replace during maintenance Included in the seal kit Seal kit can only be ordered completely in sizes 100 300 in sizes 80 300 Positions are adapted to each other and can not be replaced by the customer 10 www comoso com ...

Page 37: ...l kit 10 Page 36 ID No of the seal kit Seal kit for ID number PZB plus 50 5518602 PZB plus 64 5518603 PZB plus 80 5518604 PZB plus 100 5518605 PZB plus 125 5518606 PZB plus 160 5518607 PZB plus 200 5523391 PZB plus 240 5523392 PZB plus 300 5522623 11 www comoso com ...

Page 38: ...00 PZB plus en Accessories kit Content of the accessories pack 6 x Centering sleeves for mounting 2 x O ring for hose free direct connection 2 x screw plug for hose connection 2x Cylinder pins for mounting 12 www comoso com ...

Page 39: ...entric Gripper PZB plus pneumatic ID number 0304950 0304975 0305140 0305194 The incomplete machine may not be put into operation until conformity of the machine into which the incomplete machine is to be installed with the provisions of the Machinery Directive 2006 42 EC is confirmed Applied harmonized standards especially EN ISO 12100 2011 03 Safety of machinery General principles for design Risk...

Page 40: ...40 06 00 PZB plus en www comoso com ...

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