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Summary of Contents for SCHUNK SRU Series
- Page 1 Translation of the original manual Assembly and Operating Manual Pneumatic Rotary Unit...
- 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 Applicable documents ................ 6 1.1.3 Sizes ...................... 6 1.1.4 Variants..................... 6 Warranty ...................... 6 Scope of delivery .................... 7 1.3.1 Accessory pack.................. 7 Accessories ...................... 8 1.4.1 Seal kit ...................... 8 Basic safety notes .................... - Page 4 Table of contents 5.2.2 Pneumatic connection................ 26 Settings ....................... 27 5.3.1 Adjustment of the end positions ............ 27 5.3.2 Adjustment of the central position (Variant M) ........ 28 Installing the sensors .................. 29 5.4.1 Overview of sensors ................ 29 5.4.2 Mounting MMS 22 magnetic switch............ 30 5.4.3 Mounting MMS 22-PI1 programmable magnetic switch...... 31 Commissioning ....................... 32 Setting the speed....................
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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: Applicable Documents
• 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 1.1.3 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 Rotary Unit SRU in the version ordered • Assembly and Operating Manual • Accessory pack 1.3.1 Accessory pack Content of the accessory pack: • 2 x centering sleeves for mounting •... -
Page 8: Accessories
General 1.4 Accessories A wide range of accessories are available for this product For information regarding which accessory articles can be used with the corresponding product variants, see catalog data sheet. 1.4.1 Seal kit ID.-No. of the seal kit Seal kit for Variants ID number W/H/S... -
Page 9: Basic Safety Notes
• Structural changes should only be made with the written approval of SCHUNK. 10.00 | SRU | Assembly and Operating Manual | en | 389439... -
Page 10: Spare Parts
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. 2.5 Environmental and operating conditions Required ambient conditions and operating conditions... - Page 11 Basic safety notes The following personal qualifications are necessary for the various activities related to the product: Trained electrician Due to their technical training, knowledge and experience, trained electricians are able to work on electrical systems, recognize and avoid possible dangers and know the relevant standards and regulations.
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Page 12: Personal Protective Equipment
Basic safety notes 2.7 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 13: Transport
Basic safety notes 2.9 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 14: Disposal
Basic safety notes 2.11 Disposal Handling of disposal The incorrect handling of disposal may impair the product's safety and cause serious injuries as well as considerable material and environmental harm. • Follow local regulations on dispatching product components for recycling or proper disposal. 2.12 Fundamental dangers General •... -
Page 15: Protection During Commissioning And Operation
Basic safety notes 2.12.2 Protection during commissioning and operation Falling or violently ejected components Falling and violently ejected components can cause serious injuries and even death. • Take appropriate protective measures to secure the danger zone. • Never step into the danger zone during operation. 2.12.3 Protection against dangerous movements Unexpected movements Residual energy in the system may cause serious injuries while... -
Page 16: Protection Against Electric Shock
Basic safety notes 2.12.4 Protection against electric shock Possible electrostatic energy Components or assembly groups may become electrostatically charged. When the electrostatic charge is touched, the discharge may trigger a shock reaction leading to injuries. • The operator must ensure that all components and assembly groups are included in the local potential equalisation in accordance with the applicable regulations. -
Page 17: Notes On Particular Risks
Basic safety notes 2.13 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 18 Basic safety notes WARNING Risk of injury from parts coming loose! If the shock absorbers are faulty, the product can become damaged. Parts coming loose in this way can lead to injuries. Regularly check the components for wear and damage. •...
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Page 19: Technical Data
Technical data 3 Technical data 3.1 Type key SRU mini-8 - W- M - 4 - EX- Size 8 12 10 14 Dampening method S = speed W = soft H = hard Center position – = no M = pneumatic Fluid feed-through –... -
Page 20: Basic 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. 10.00 | SRU | Assembly and Operating Manual | en | 389439... -
Page 21: Design And Description
Design and description 4 Design and description 4.1 Design Pneumatic Rotary Unit, variant "S" displayed Pinion Main air connections Housing with grooves for sensors Shock absorbers Sleeve for adjusting the end positions 4.2 Description The product is a pneumatic miniature swivel unit for rotating and swiveling movements with various options. -
Page 22: Assembly
Assembly 5 Assembly 5.1 Assembling and connecting WARNING Risk of injury due to unexpected movements! If the power supply is switched on or residual energy remains in the system, components can move unexpectedly and cause serious injuries. Before starting any work on the product: Switch off the power •... -
Page 23: Connections
Assembly Screw the product to the machine/system, Mechanical Ø connection 24]. Use centering sleeves. ✓ Observe the tightening torque for the mounting screws, see ✓ the following table. Fasten attachment with two cylindrical pins and two fastening Ø screws to the pinion, Mechanical connection 24]. - Page 24 Assembly 5.2 Connections 5.2.1 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 < 100 <...
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Page 25: Sru | Assembly And Operating Manual | En
Assembly Mounting material Item Designation Centering sleeves Ø5 Ø5 Ø6 Ø6 Screws for fastening from M2.5 / M2.5 / M3 / M3 / above (output side) deep deep deep deep Max. tightening torque [Nm] 0.75 0.75 Screws for fastening from M3 / M3 / M4 /... - Page 26 Assembly 5.2.2 Pneumatic connection NOTICE Avoid causing damage by approaching the end positions softly. Attach the one-way control valve to the product when • connecting to the center position. Air connections Thread diameter of the air connections Item Designation Thread diameter hose connection (A ;...
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Page 27: Settings
Assembly 5.3 Settings 5.3.1 Adjustment of the end positions Connection B Connection A Variant W Stop A Stop B Connection B Connection A Variant H or variant S Stop A Stop B Adjustment of the end positions Apply pressure to connection A until the rotary unit has reached Ø... -
Page 28: Adjustment Of The Central Position (Variant M)
Assembly 5.3.2 Adjustment of the central position (Variant M) Adjustment of the central position Depressurize connections A and B. Ø Apply air pressure to connection C. Ø Loosen the lock nuts (54) of the stop spindles (25). Ø Unscrew stop A2 as far as possible. Ø... -
Page 29: Installing The Sensors
– 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. 5.4.1 Overview of sensors... -
Page 30: Mounting Mms 22 Magnetic Switch
Assembly 5.4.2 Mounting MMS 22 magnetic switch NOTICE Material damage due to an incorrect tightening torque! If the threaded pin is tightened with an incorrect tightening torque, the product may be damaged. Observe a maximum tightening torque of 10 Ncm for the set- •... -
Page 31: Mounting Mms 22-Pi1 Programmable Magnetic Switch
Assembly 5.4.3 Mounting MMS 22-PI1 programmable magnetic switch NOTICE Material damage due to an incorrect tightening torque! If the threaded pin is tightened with an incorrect tightening torque, the product may be damaged. Observe a maximum tightening torque of 10 Ncm for the set- •... -
Page 32: Commissioning
Commissioning 6 Commissioning NOTICE Damage to the rotary module possible! The rotary module can be damaged if it arrives too abruptly in the end position. The rotary motion must reach the end position without jerk or • bounce. Therefore flow control valves and shock absorbers must be •... - Page 33 Commissioning Continue to open the exhaust throttle valve incrementally until Ø the movement decelerates smoothly. If the speed is too low, the product will brake too soon and ✓ the end position will be reached too slowly. If the speed is too high, the product will impact against the ✓...
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Page 34: Adjustment Of The Shock Absorber Stroke
Commissioning 6.2 Adjustment of the shock absorber stroke NOTE When received from the factory, the unit is set to utilize the maximum shock absorber stroke. Movement End position Damping Time T Target time The shock absorber stroke is too long and the end position is reached too slowly. -
Page 35: Shock Absorber Stroke (Variant H)
Commissioning 6.2.1 Shock absorber stroke (variant H) Connection Connection Stop B Stop A Adjusting the shock absorber Apply air pressure to connection A. Adjusting the Ø dampening for Loosen the counter nut (46) from the stop B, by holding the Ø... -
Page 36: Shock Absorber Stroke (Variant S)
Commissioning 6.2.2 Shock absorber stroke (variant S) Connection B Connection A Stop B Stop A Adjustment of the shock absorber Pos. X Maximum screw-in depth of the shock 20.5 absorber [mm] Apply air pressure to connection A. Setting the shock Ø... -
Page 37: Troubleshooting
Mounting surface is not sufficiently flat. Check the evenness of the mounting surface. Mechanical connection 24] Component part defective. Send product with a SCHUNK repair order or dismantle product. 10.00 | SRU | Assembly and Operating Manual | en | 389439... -
Page 38: Product Rotates Jerkily
Troubleshooting 7.3 Product rotates jerkily Possible cause Corrective action Too little grease in the mechanical guiding Clean and lubricate product., Maintenance 39] areas. Compressed air lines blocked. Check compressed air lines of damage. Mounting surface is not sufficiently flat. Check the evenness of the mounting surface. One-way flow control valve is missing or Install and adjust one-way flow control adjustet incorrectly. -
Page 39: Maintenance
Maintenance 8 Maintenance 8.1 Notes Original spare parts Use only original spare parts of SCHUNK when replacing spare and wear parts. 8.2 Maintenance interval NOTICE Material damage due to hardening lubricants! Lubricants harden more quickly at temperatures above 60°C, leading to possible product damage. -
Page 40: Lubricants/Lubrication Points (Basic Lubrication)
Maintenance 8.3 Lubricants/Lubrication points (basic lubrication) SCHUNK recommends the lubricants listed. During maintenance, treat all greased areas with lubricant. Thinly apply lubricant with a lint-free cloth. Lubricant point Lubricant The teeth and the pinion Molykote BR 2 plus Metallic sliding surfaces... -
Page 41: Notes For Assembly
Maintenance 8.4.2 Notes for assembly Assembly takes place in the opposite order to disassembly. Observe the following: • Unless otherwise specified, secure all screws and nuts with Loctite no. 243 and tighten with the appropriate tightening torque.Tightening torque for screws 41] NOTICE Material damage due to incorrect assembly! -
Page 42: Assembly Drawing
Maintenance 8.4.4 Assembly drawing The following figures are example images. They serve for illustration and assignment of the spare parts. Variations are possible depending on size and variant. Wearing part, replace during maintenance. Included in the seal kit. Seal kit can only be ordered completely. nur bei SRU 8 und SRU 10 Assembly of rotary unit 10.00 | SRU | Assembly and Operating Manual | en | 389439... - Page 43 Maintenance Assembly of fluid feed-through and hydraulic damping Assembly of rotary unit with central position 10.00 | SRU | Assembly and Operating Manual | en | 389439...
- Page 44 Maintenance Assembly of rotary unit with damper-elastomer-damping 10.00 | SRU | Assembly and Operating Manual | en | 389439...
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Page 45: Translation Of Original Declaration Of Incorporation
9 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 46: Annex To Declaration Of Incorporation
Annex to Declaration of Incorporation 10 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 Rotary Unit Type designation ID number... -
Page 47: Sru | Assembly And Operating Manual | En
Annex to Declaration of Incorporation Protection against mechanical hazards 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 1.3.9 Risks of uncontrolled movements Required characteristics of guards and protective devices... - Page 48 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...
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