Related Manuals for SCHUNK PWG-plus Series
Summary of Contents for SCHUNK PWG-plus Series
- Page 1 Translation of the original manual Assembly and operating manual PWG-plus Pneumatic angular gripper...
- Page 2 Imprint Copyright: This manual is protected by copyright. The author is SCHUNK GmbH & Co. KG. All rights reserved. Any reproduction, processing, distribution (making available to third parties), translation or other usage - even excerpts - of the manual is especially prohibited and requires our written approval.
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Page 3: Table Of Contents
Table of Contents Table of Contents General........................ 5 About this manual .................... 5 1.1.1 Presentation of Warning Labels ............... 5 1.1.2 Definition of Terms................... 6 1.1.3 Applicable documents ................ 6 1.1.4 Sizes ...................... 6 1.1.5 Variants..................... 6 Warranty ...................... 6 Scope of delivery .................... 7 1.3.1 Accessories kit .................. 7 Accessories ...................... - Page 4 Table of Contents 5.1.2 Pneumatic connection................ 19 Mounting the sensor .................. 21 5.2.1 Overview of sensors ................ 21 5.2.2 IN 40 / IN 80 inductive proximity switch .......... 22 5.2.3 Mounting the magnetic switch MMS 22 .......... 27 5.2.4 Programmable magnetic switch (MMS-P).......... 28 Troubleshooting ..................... 33 Product is not moving..................
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Page 5: General
General 1 General 1.1 About this manual This manual contains important information for a safe and appropriate use of the product. This manual is an integral part of the product and must be kept accessible for the personnel at all times. Before starting work, the personnel must have read and understood this operating manual. -
Page 6: Definition Of Terms
• Catalog data sheet of the purchased product * • Assembly and operating manuals of the accessories * The documents marked with an asterisk (*) can be downloaded on our homepage schunk.com 1.1.4 Sizes This operating manual applies to the following sizes: •... -
Page 7: Scope Of Delivery
General 1.3 Scope of delivery The scope of delivery includes • Pneumatic angular gripper PWG-plus in the version ordered • Assembly and Operating Manual • Accessory pack 1.3.1 Accessories kit Content of the accessory pack: • 6 x Centering sleeves for mounting •... -
Page 8: Basic Safety Notes
Use of unauthorized spare parts Using unauthorized spare parts can endanger personnel and damage the product or cause it to malfunction. • Use only original spare parts or spares authorized by SCHUNK. 09.00 | PWG-plus | Assembly and operating manual | en | 389495... -
Page 9: Gripper Fingers
Basic safety notes 2.5 Gripper fingers Requirements for the gripper fingers Stored energy within the product creates the risk of serious injuries and significant property damage. • Arrange the gripper fingers in a way that the product reaches either the position "open" or "closed" in a de-energized state. •... -
Page 10: Personal Protective Equipment
Basic safety notes 2.8 Personal protective equipment Use of personal protective equipment Personal protective equipment serves to protect staff against danger which may interfere with their health or safety at work. • When working on and with the product, observe the occupational health and safety regulations and wear the required personal protective equipment. -
Page 11: Transport
Basic safety notes 2.10 Transport Handling during transport Incorrect handling during transport may impair the product's safety and cause serious injuries and considerable material damage. • When handling heavy weights, use lifting equipment to lift the product and transport it by appropriate means. •... -
Page 12: Fundamental Dangers
Basic safety notes 2.13 Fundamental dangers General • Observe safety distances. • Never deactivate safety devices. • Before commissioning the product, take appropriate protective measures to secure the danger zone. • Disconnect power sources before installation, modification, maintenance, or calibration. Ensure that no residual energy remains in the system. -
Page 13: Protection Against Dangerous Movements
Basic safety notes 2.13.3 Protection against dangerous movements Unexpected movements Residual energy in the system may cause serious injuries while working with the product. • Switch off the energy supply, ensure that no residual energy remains and secure against inadvertent reactivation. •... -
Page 14: Notes On Particular Risks
Basic safety notes 2.14 Notes on particular risks DANGER Risk of fatal injury from suspended loads! Falling loads can cause serious injuries and even death. Stand clear of suspended loads and do not step within their • swiveling range. Never move loads without supervision. •... - Page 15 Secure the end positions of the product with SCHUNK SDV-P • pressure maintenance valves. 09.00 | PWG-plus | Assembly and operating manual | en | 389495...
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Page 16: Technical Data
* For use in dirty ambient conditions (e.g. sprayed water, vapors, abrasion or processing dust) SCHUNK offers corresponding product options as standard. SCHUNK also offers customized solutions for special applications in dirty ambient conditions. 09.00 | PWG-plus | Assembly and operating manual | en | 389495... -
Page 17: Design And Description
Design and description 4 Design and description 4.1 Configuration Pneumatic angular gripper Housing Air purge connection Main air connections Base jaws 4.2 Description Robust 2-finger angular gripper with oval pistion and bone drive 09.00 | PWG-plus | Assembly and operating manual | en | 389495... -
Page 18: Assembly
Assembly 5 Assembly 5.1 Connections 5.1.1 Mechanical connection The values apply to the whole mounting surface to which the Evenness of the product is mounted. mounting surface Requirements for evenness of the mounting surface (Dimensions in mm) Edge length Permissible unevenness <... -
Page 19: Pneumatic Connection
Assembly 5.1.2 Pneumatic connection CAUTION Damage to the gripper is possible! If the maximum permissible finger weight or the permissible mass moment of inertia of the fingers is exceeded, the gripper can be damaged. A jaw movement always has to be without jerks and bounce. •... - Page 20 Assembly • Open only the air connections that are needed. • Close unused main air connections using the screw plugs from the enclosed pack. • For a hose-free direction connection, use the O-rings from the enclosed pack. • If the maximum permissible finger weight is exceeded, throttling must be carried out so that the jaw movement is impact and bounce-free.
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Page 21: Mounting The Sensor
– The assembly and operating manual and catalog datasheet are included in the scope of delivery for the sensors and are available at schunk.com. • Information on handling sensors is available at schunk.com or from SCHUNK contact persons. 5.2.1 Overview of sensors... -
Page 22: In 40 / In 80 Inductive Proximity Switch
Assembly 5.2.2 IN 40 / IN 80 inductive proximity switch Assembly of IN 40 PGW-plus 50-160 mounting kit Fasten angle (2) to housing using screws (1). Ø Fasten bracket (3) to the angle (2) using screws (4). Ø Fasten the control cams (5) to the rotary bolt using the screws Ø... - Page 23 Assembly Mounting kit for IN 40 proximity switch Gripper open: Set the gripper to the "Open" position. Ø Undo the screws (5). Ø Turn the control cam (4) so that the lug is parallel to the bracket (2). Ø Fasten the control cam by tightening the screw (5). Ø...
- Page 24 Assembly Assembly of IN 80 PWG-plus 50-100 mounting kit Fasten screw (5) and nut (3) to bracket (4). Ø Fasten angle (2) to housing using screws (1). Ø Fasten bracket (4) to the angle (2) using screws (6). Ø Push the brackets down as far as possible (away from the rotary Ø...
- Page 25 Assembly Assembly of IN 80 PWG-plus 200-240 mounting kit Fasten screw (5) and nut (1) to brackets (2). Ø Fasten bracket (2) to the housing using screws (4) and washers (3). Ø Fasten the control cams (6) to the rotary bolt using the screws Ø...
- Page 26 Assembly Undo screws (4) and carefully push bracket (2) to the control Ø cam until it touches the control cam (5). Pull the bracket approx 0.5 mm back. Ø Fasten the bracket by tightening the screws (4). Ø Move the gripper to the "Open" position and test functioning. Ø...
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Page 27: Mounting The Magnetic Switch Mms 22
Assembly 5.2.3 Mounting the magnetic switch MMS 22 CAUTION Risk of damage to the sensor during assembly! Observe the maximal tightening torque. • Positioning the magnetic switch Position "Gripper open": Put the product in the desired position. Ø Push the sensor 1 (1) into the groove (4) until it stops at the Ø... -
Page 28: Programmable Magnetic Switch (Mms-P)
Assembly 5.2.4 Programmable magnetic switch (MMS-P) Magnetic switch MMS-P 22 Mounting screw Teach-button Center sensor elements LED display LED display Ribs for cable tires brown white black blue Connection diagram PNP-4 conductor (MMS-P 22) Types available for order (see catalog): •... - Page 29 Assembly Mounting of the sensor CAUTION 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 (e.g. Adapter plate made of ordinary steel). For ferromagnetic adapter plates: •...
- Page 30 Assembly If there is no terminal stop, then slide the magnetic switch according 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.
- Page 31 (i.e. by shielding). Frequent types of disturbances are change in temperature and electro-magnetic influences. Within the closest fine-teach mode, SCHUNK cannot guarantee EMC-compatibility any more. The hysteresis adjustment is used for the manual adjustment of the switching points (if necessary).
- Page 32 Assembly Press the Teach-button (4) for 5 seconds. Ø LED 1 (3) will flash up after 2 seconds. ✓ LED 1 will stop after 5 seconds. ✓ Release the Teach-button. Ø Move the gripper to the "switch-off point for switching point 1" Ø...
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Page 33: Troubleshooting
Unused air connections open. Close unused air connections. Flow control valve closed. Open the flow control valve. Component part defective. Replace component or send it to SCHUNK for repair. 6.2 Product is not executing the complete stroke Possible cause Corrective action Dirt deposits between cover and piston. -
Page 34: Gripping Force Is Dropping
Pressure drops below minimum. Check air supply. Pneumatic connection 19] Component part defective. Replace component or send it to SCHUNK for repair. 6.5 Gripper opens with heavy impacts in the end position Possible cause Corrective action Mass moment of inertia of the top jaw too Use lighter gripper fingers. -
Page 35: Maintenance
Before carrying out any work, make sure that all surfaces have • cooled down to the ambient temperature. Original spare parts Use only original spare parts of SCHUNK when replacing spare and wear parts. Maintenance of module with gripping force maintenance "A.D. gripping" (A.D.) The pistons have to be aligned using an assembly device. -
Page 36: Lubricants/Lubrication Points
Maintenance 7.3 Lubricants/Lubrication points SCHUNK recommends the lubricants listed. During maintenance, treat all greased areas with lubricant. Thinly apply lubricant with a lint-free cloth. Lubricant point Lubricant Metallic sliding surfaces microGLEIT GP 303 All seals Renolit HLT 2 Bore hole at the piston... -
Page 37: Variant With Maintenance Of Gripping Force (O.d. Gripping)
Maintenance 7.4.2 Variant with maintenance of gripping force (O.D. gripping) Position of the item numbers: Drawings 46] WARNING Risk of injury due to spring forces! The cover is under spring tension. Carefully disassemble the product. • Remove compressed air lines Ø... -
Page 38: Variant Of "Force Amplification Cylinder" (Kvz) Without Maintenance Of Gripping Force
Maintenance 7.4.3 Variant of "Force amplification cylinder" (KVZ) without maintenance of gripping force Position of the item numbers: Variant with force amplification cylinder 48] Remove compressed air lines. Ø Remove the cover (6). Ø Unscrew the screws (41) and remove the cover (8). Ø... -
Page 39: Variant Of "Force Amplification Cylinder" With Maintenance Of Gripping Force "O.d. Gripping" (As-Kvz)
Maintenance 7.4.4 Variant of "Force amplification cylinder" with maintenance of gripping force "O.D. gripping" (AS-KVZ) Position of the item numbers: Standard 46] and Variant with force amplification cylinder 48] WARNING Risk of injury due to spring forces! The cover is under spring tension. Carefully disassemble the product. -
Page 40: Servicing And Assembling The Product
Maintenance 7.5 Servicing and assembling the product • Clean all parts thoroughly and check for damage and wear. Maintenance • Treat all greased areas with lubricant. Lubricants/Lubrication points 36] • Oil or grease bare external steel parts. • Replace all wear parts / seals.Drawings 46] –... -
Page 41: Variant With Maintenance Of Gripping Force "O.d. Gripping
Maintenance 7.5.2 Variant with maintenance of gripping force "O.D. gripping" PWG-plus 50-100 Dimensions of assembly device in chapter Assembly device cylinder piston with gripping force maintenance 44] Mount the base jaws (2) and piston (3) with the seal (31) in the Ø housing (1). Insert the compression spring (25) and the cylinder piston (9) Ø... - Page 42 Maintenance PWG-plus 125-240 Dimensions of assembly device in chapter Assembly device cylinder piston with gripping force maintenance 44] Mount the base jaws (2) and piston (3) with the seal (31) in the Ø housing. Insert the compression spring (25), spacer bolt (11) and cylinder Ø piston (9) with seals (30) and (33) into the housing (1).
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Page 43: Variant Of "Force Amplification Cylinder" (Kvz) Without Maintenance Of Gripping Force
Maintenance 7.5.3 Variant of "Force amplification cylinder" (KVZ) without maintenance of gripping force Assembly is done in the opposite order of disassembly Variant of "Force amplification cylinder" (KVZ) without maintenance of gripping force 38]. 7.5.4 Variant of "Force amplification cylinder" with maintenance of gripping force "O.D. -
Page 44: Assembly Device Cylinder Piston With Gripping Force Maintenance
Maintenance 7.6 Assembly device cylinder piston with gripping force maintenance 7.6.1 Sizes 50-100 D H8 B - B 0.02 0.02 l 1 ± 0.02 Ø 15 A - A Cylinder piston assembly device Assembly device cylinder piston - dimensions in mm Size PWG-plus50 25 19... -
Page 45: Sizes 125-240
Maintenance 7.6.2 Sizes 125-240 Assembly device with gripping force maintenance Assembly device cylinder piston - dimensions in mm Size PWG-plus 125 PWG-plus 160 90.5 9 57.5 15 PWG-plus 200 PWG-plus 240 13.5 16 Assembly device cylinder piston - dimensions in mm Size PWG-plus 125 PWG-plus 160... -
Page 46: Drawings
Maintenance 7.7 Drawings The following figures are example images. They serve for illustration and assignment of the spare parts. Variations are possible depending on size and variant. 7.7.1 Standard Variant "O.D. gripping" (AS) Variant without maintenance of gripping force PWG-plus 50-100 PWG-plus 125-250 09.00 | PWG-plus | Assembly and operating manual | en | 389495... - Page 47 Maintenance Wearing part, replace during maintenance. Included in the seal kit. Seal kit can only be ordered completely. not for PWG-plus 50-80 not for PWG-plus 100-240 not for version without maintenance of gripping force only for PWG-plus 200 09.00 | PWG-plus | Assembly and operating manual | en | 389495...
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Page 48: Variant With Force Amplification Cylinder
Maintenance 7.7.2 Variant with force amplification cylinder 1* Wearing part, replace during maintenance. Included in the seal kit. Seal kit can only be ordered completely. 2* not for PWG-plus 50-80 3* not for PWG-plus 100-240 4* only for PWG-plus 200 09.00 | PWG-plus | Assembly and operating manual | en | 389495... -
Page 49: Translation Of Original Declaration Of Incorporation
8 Translation of original declaration of incorporation in terms of the Directive 2006/42/EG, Annex II, Part 1.B of the European Parliament and of the Council on machinery. Manufacturer/ SCHUNK GmbH & Co. KG Spann- und Greiftechnik Distributor Bahnhofstr. 106 – 134 D-74348 Lauffen/Neckar... -
Page 50: Annex To Declaration Of Incorporation
Annex to Declaration of Incorporation 9 Annex to Declaration of Incorporation according 2006/42/EG, Annex II, No. 1 B 1.Description of the essential health and safety requirements pursuant to 2006/42/EC, Annex I that are applicable and that have been fulfilled with: Product designation Pneumatic angular gripper Type designation PWG-plus... - Page 51 Annex to Declaration of Incorporation Protection against mechanical hazards 1.3.5 Risks related to combined machinery 1.3.6 Risks related to variations in operating conditions 1.3.7 Risks related to moving parts 1.3.8 Choice of protection against risks arising from moving parts 1.3.8.1 Moving transmission parts 1.3.8.2 Moving parts involved in the process...
- Page 52 Annex to Declaration of Incorporation Information 1.7.1 Information and warnings on the machinery 1.7.1.1 Information and information devices 1.7.1.2 Warning devices 1.7.2 Warning of residual risks 1.7.3 Marking of machinery 1.7.4 Instructions 1.7.4.1 General principles for the drafting of instructions 1.7.4.2 Contents of the instructions 1.7.4.3...