SCHUNK SRH-plus 20 Assembly And Operating Manual
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SCHUNK SRH-plus 20 Assembly And Operating Manual

Pneumatic rotary actuator
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Assembly and Operating Manual
SRH-plus 
Pneumatic rotary actuator
Translation of the original operating
manual

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Summary of Contents for SCHUNK SRH-plus 20

  • Page 1 Assembly and Operating Manual SRH-plus  Pneumatic rotary actuator Translation of the original operating manual...
  • Page 2 Imprint Imprint Copyright: This manual is protected by copyright. The author is SCHUNK SE & Co. KG. All rights reserved. Technical changes: We reserve the right to make alterations for the purpose of technical improvement. Document number: 389428 Version: 09.00 | 27/07/2023 | en...

  • Page 3: Table Of Contents

    Table of contents Table of Contents 1 General ..................... 6 About this manual................1.1.1 Presentation of Warning Labels ............. 1.1.2 Definition of Terms ..............1.1.3 Applicable documents ..............1.1.4 Sizes..................1.1.5 Variants ................... 1.2 Warranty ................... 1.3 Accessory kit ..................8 1.4 Accessories ..................
  • Page 4 Table of contents 5 Assembly.................... 18 5.1 Installing and connecting ..............18 5.2 Connections ..................20 5.2.1 Mechanical connection..............20 5.2.2 Pneumatic connection..............22 5.2.3 Electrical connection ..............24 5.3 Settings..................... 26 5.3.1 Adjust swivel angle..............27 5.3.2 Adjust swiveling speed ..............30 5.3.3 Adjust absorber stroke..............
  • Page 5 Table of contents 9 Translation of the original declaration of incorporation ......... 56 10 UKCA declaration of incorporation ............57 11 Information on the RoHS Directive, REACH Regulation and Substances of Very High Concern (SVHC) ..................58 09.00 | SRH-plus | Assembly and Operating Manual | en | 389428...

  • Page 6: 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 7: Applicable Documents

    Assembly and operating manuals of the accessories * The documents labeled with an asterisk (*) can be downloaded from schunk.com. 1.1.4 Sizes This operating manual applies to the following sizes: SRH-plus 20 SRH-plus 25 SRH-plus 30 SRH-plus 35 SRH-plus 40...

  • Page 8: Accessory Kit

    General 1.3 Accessory kit With media feed-through 5514982 5514986 5518654 5514990 5514994 5514998 5515002 Tab.: ID Accessory kit SRH-plus Content of the accessories pack: } 8.8 [/ 49]. 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.

  • Page 9: 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 | SRH-plus | Assembly and Operating Manual | en | 389428...

  • Page 10: Ambient Conditions And Operating Conditions

    Basic safety notes 2.5 Ambient conditions and operating conditions Required ambient conditions and operating conditions Incorrect ambient and operating conditions can make the product unsafe, leading to the risk of serious injuries, considerable material damage and/or a significant reduction to the product's life span.

  • Page 11: 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 12: Malfunctions

    Basic safety notes Secure the product against falling during transportation and handling. Stand clear of suspended loads. 2.10 Malfunctions Behavior in case of malfunctions Immediately remove the product from operation and report the malfunction to the responsible departments/persons. Order appropriately trained personnel to rectify the malfunction.

  • Page 13: Protection During Commissioning And Operation

    Basic safety notes For all work, secure the product against accidental operation. Observe the relevant accident prevention rules. Use suitable assembly and transport equipment and take precautions to prevent jamming and crushing. Incorrect lifting of loads Falling loads may cause serious injuries and even death. Stand clear of suspended loads and do not step into their swiveling range.

  • Page 14: 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 15 Basic safety notes WARNING Risk of injury from sharp edges and corners! Sharp edges and corners can cause cuts. Use suitable protective equipment. WARNING Risk of burns through contact with hot surfaces! Surfaces of components can heat up severely during operation. Skin contact with hot surfaces causes severe burns to the skin.

  • Page 16: Technical Data

    Technical data 3 Technical data 3.1 Type key SRH-plus 20 - W - M8 - A Size 20, 25, 30, 35, 40, 50, 60 Dampening W = soft H = hard S = speed Center bore / Electrical feed-through CB = center bore...

  • Page 17: Design And Description

    Design and description 4 Design and description 4.1 Design Design SRH-plus SRU-plus Sensor query Screw-on bracket with Distributor plate for CB axial cable outlet Screw-on bracket with Distributor plate for EDF lateral cable outlet Screw-on bracket for CB Swivel head Sensor query 4.2 Description The product is a pneumatic swivel unit for fast loading and...

  • Page 18: Assembly

    Assembly 5 Assembly 5.1 Installing 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 supply and secure against restarting.
  • Page 19 Assembly Check that all of the throttle valves are closed. Screw in locking screws in open and not required air connections where appropriate. Adjust the angle of rotation, [/ 27]. } 5.3.1 Adjust the swiveling speed, } 5.3.2 [/ 30]. Adjust shock absorber stroke, } 5.3.3 [/ 31].

  • Page 20: Connections

    Assembly 5.2 Connections 5.2.1 Mechanical connection NOTE For connection dimensions, see drawings in the catalog. Connections on the The product can be assembled from two sides. screw-on bracket Centering sleeves for the mounting screws are included in the accessory kit. Assembly options Item Mounting SRH-plus...
  • Page 21 Assembly Connections for attachment part Item Mounting SRH-plus Mounting screw M12 M12 (4 Piece) Max. depth of 10.5 10.5 engagement from locating surface [mm] Centering sleeve Ø6 Ø6 Ø6 Ø6 Ø8 Ø12 Ø12 (2 Piece) 09.00 | SRH-plus | Assembly and Operating Manual | en | 389428...

  • Page 22: Pneumatic Connection

    Assembly 5.2.2 Pneumatic connection NOTE Observe the requirements for the compressed air supply, [/ 16]. } 3 In case of compressed air loss (cutting off the energy line), the components lose their dynamic effects and do not remain in a secure position. However, the use of a SDV-P pressure maintenance valve is recommended in this case in order to maintain the dynamic effect for some time.
  • Page 23 Assembly Item Designation Direct connection to M3/6 M3/6 M4/6 M5/8 screw-on bracket Tab.: Thread diameter and depth of engagement [mm] of the air connections Item Designation Hose connection to swivel unit G1/8″/ G1/8″/ G1/8″/ Hose connection to screw-on bracket G1/8″/ G1/8″/ G1/8″/ Direct connection to...

  • Page 24: Electrical Connection

    Assembly 5.2.3 Electrical connection 5.2.3.1 Connection overview SRH-plus 20-60 Lateral cable outlet SRH-plus 20-35 Lateral cable outlet SRH-plus 40-60 Axial cable outlet SRH-plus 09.00 | SRH-plus | Assembly and Operating Manual | en | 389428...
  • Page 25 Assembly Bending radius Minimum bending radius for constant movement: 10 x cable diameter Pin allocation, connection plug M16 Pin allocation 20-35 EDF 40-60 EDF Switching signal, sensor 3 Switching signal, sensor 3 GND (common) GND (common) Switching signal, sensor 2 Switching signal, sensor 2 Switching signal, sensor 4 Switching signal, sensor 4 Switching signal, sensor 1...

  • Page 26: Settings

    Assembly 5.3 Settings CAUTION Material damage due to erroneous settings! If the end position is approached too hard, the product may be damaged. Adjust exhaust throttle valve and shock absorber so that the movement is braked smoothly. The swiveling angle, swiveling speed and absorber stroke must be set for operation.

  • Page 27: Adjust Swivel Angle

    Assembly Erroneous adjustment Movement End position Damping Time T Target time Swiveling speed too high. Assembly oscillates back. Movement End position Damping Time T Target time Absorber stroke is too long. End position is reached too slowly. Movement End position Damping Time T Target time...
  • Page 28 ð To do this, ventilate air connection A (3) and actuate it again, if necessary adjust end position. Tighten screw (7). ð Tightening torque:SRH-plus 20-30: 1.2 Nm / SRH-plus 35-50: 2.1 Nm Swivel repeatedly to test the setting, adjust if necessary. 09.00 | SRH-plus | Assembly and Operating Manual | en | 389428...
  • Page 29 ð To do this, ventilate air connection A (3) and actuate it again, if necessary adjust end position. Tighten screw (6). ð Tightening torque:SRH-plus 20-40: 10 Nm / SRH-plus 50-60: 24 Nm Swivel repeatedly to test the setting, adjust if necessary. 09.00 | SRH-plus | Assembly and Operating Manual | en | 389428...

  • Page 30: Adjust Swiveling Speed

    Assembly 5.3.2 Adjust swiveling speed CAUTION Material damage due to too high swiveling speed! If the swiveling speed is too high, the assembly will be decelerated abruptly by the shock absorber and will continue to oscillate until reaching the end position. This will overload the shock absorber and may cause damage to it.

  • Page 31: Adjust Absorber Stroke

    Assembly For the variants with pneumatic and locked center position, air supply throttle valves must be mounted to various air connections, } 5.2.2 [/ 22]. The sequence for setting the swivel speed with the air supply throttle valve is identical to the sequence with mounted exhaust throttle valve.
  • Page 32 Assembly On the first shock absorber (1): remove cover (5). Fix back stop A (2) and loosen nut (3) on stop pin A (4). Fix back stop A (2) and set stop pin A (4). NOTE If the absorber stroke is changed, the swivel speed might also need to be changed as well, so that the movement remains smooth, } 5.3.2...

  • Page 33: 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. 5.4.1 Overview of sensors...
  • Page 34 Assembly Connect magnetic switch and secure cable, see sensor assembly and operating manual. Actuate air connection A (4). ð Pinion (2) swivels towards the end position. Slide the first magnetic switch (6) into a groove (5). Or: Screw magnetic switch (6) into a groove (5) (1). Slide magnetic switch (6) until it switches and the LED (7) illuminates.

  • Page 35: Mounting Mms 22-Pi1 Magnetic Switch

    Assembly 5.4.3 Mounting MMS 22-PI1 magnetic switch CAUTION Risk of damage to the sensor during assembly! Observe the maximal tightening torque. The sensors can be mounted via four grooves in the housing of the product. Connect magnetic switch and secure cable, see sensor assembly and operating manual.

  • Page 36: Assemble Inductive Proximity Switch In 80

    Assembly Check switching positions, set again if necessary. 5.4.4 Assemble inductive proximity switch IN 80 CAUTION Material damage to the product or sensor possible! If the fast clamping sleeve is inserted too far into the sensor bracket, the switch cam and the sensor may collide during swiveling.
  • Page 37 Assembly Push the sensors up to the stop in the bracket (2) and clamp them in this position with the screws (1). Determine the screw length of the control cam (4) using the previous table. Attach a suitable screw (4) to the distributor plate (6) and secure it with the counter nut (3).

  • Page 38: Start-Up

    Start-up 6 Start-up 6.1 Setting ranges of the variants Swivel range Adjustment range/ Adjustment range/ Final angle Final angle Piston Piston Centring sleeves End position adjustability 3° 6.2 Base unit Basic setting 180° Actuate connection A. The pinion turns clockwise to stop B. Basic setting 0°...

  • Page 39: Troubleshooting

    } 5.3.1 [/ 27] Pressure drops below minimum. Check air supply. } 5.2.2 [/ 22] Components have come loose e.g. due to Send product with a SCHUNK repair order or overloading. dismantle product. Shock absorber defective. Check or, if need be, replace the shock absorber.

  • Page 40: Torque Is Diminishing

    Troubleshooting Possible cause Corrective action Unused air connections open. Close unused air connections. } 5.2.2 [/ 22] Both exhaust air throttle valves are closed. Open one exhaust air throttle valve. Proximity switch defective or set incorrect. Adjust sensor or if necessary change sensor. } 5.4 [/ 33] 7.5 Torque is diminishing Possible cause...

  • Page 41: 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 CAUTION Material damage due to hardening lubricants! Lubricants harden more quickly at temperatures above 60°C, leading to possible product damage.

  • Page 42: Lubricants/Lubrication Points (Basic Lubrication)

    Wear safety goggles and protective gloves. Observe information on the safety data sheet of the lubricant. During maintenance, treat all greased areas with lubricant. Thinly apply lubricant with a lint-free cloth. SCHUNK recommends the lubricants listed. Lubricant point Lubricant The teeth and the pinion Rivolta F.L.G.

  • Page 43: Inspect And Set Shock Absorbers

    8.4 Inspect and set shock absorbers 8.4.1 Inspect shock absorbers The shock absorbers are specially tested and can only be acquired from SCHUNK. The shock absorbers have a limited lifespan, depending on the load. Regulary check that the shock absorbers are working.
  • Page 44 Maintenance SRH- Shock absorber Shock absorber Tolerance [mm] plus overtap h [mm] 25 W WP-M 0.4-266 -0,1 25 H WP-M 0.4-366 -0,1 30 W WP-M 0.6-466 19,5 -0,1 30 H WP-M 0.6-566 -0,1 35 W WP-M 0.6-366 19,5 -0,1 35 H WP-M 0.6-366 19,5 -0,1...

  • Page 45: Servicing Shock Absorber

    Maintenance 8.5 Servicing shock absorber 8.5.1 Servicing shock absorbers (absorber variant -W) Undo the screws (1). Pull off the stop cover (2). Remove the safety ring (4) from the piston. Pull out the piston rod (3) and remove the compression spring (5).

  • Page 46: Servicing Shock Absorbers (Absorber Variant -S)

    Maintenance 8.5.2 Servicing shock absorbers (absorber variant -S) Undo the screws (1). Pull off the stop cover (2). Remove the safety ring (4) from the piston. Pull out the piston rod (3) and remove the absorber (5). Use the M5 thread to pull out the cover (7) and dampening ring (6).

  • Page 47: Changing Shock Absorbers (Base Unit)

    Maintenance 8.6 Changing shock absorbers (base unit) Ventilate rotary actuator. Unscrew screws (6). Turn pinion (2) to end position. Remove stop cover (7). Remove safety ring (5) on piston (3). Pull out shock absorber (4) with fitting disks. Insert new shock absorbers. Set shock absorber overhang (h), [/ 43].

  • Page 48: Dismantling And Assembling Swivel Unit

    Maintenance 8.7 Dismantling and assembling swivel unit Position of the item numbers: } 8.8 [/ 49] Ventilate rotary actuator. Remove all air lines and energy lines. Dismantle sensors if necessary. Unscrew screws (201) and screw-on bracket (77). Unscrew screw (202) and remove swivel head (4). Unscrew screw (35) and remove both stop covers (3).

  • Page 49: Assembly Drawing

    Maintenance 8.8 Assembly drawing Component overview Basic components and media feed-through } 8.8.1 [/ 50] Screw-on bracket with axial cable outlet } 8.8.2.1 [/ 52] Screw-on bracket with clateral cable outlet } 8.8.2.2 [/ 53] Screw-on bracket CB } 8.8.2.3 [/ 54] Distributor plate CB } 8.8.2.4 [/ 54] Swivel head } 8.8.2.5 [/ 55] 09.00 | SRH-plus | Assembly and Operating Manual | en | 389428...

  • Page 50: Sru Assembly Group

    Maintenance 8.8.1 SRU assembly group 8.8.1.1 Basic components and fluid feed-through Contained in seal kit. Contained in accessory pack. Variants "explosion-protected version" does not include a clamp shell. They are clamped by an eccentric. 09.00 | SRH-plus | Assembly and Operating Manual | en | 389428...
  • Page 51 Maintenance 8.8.1.2 Anschlagseite Endlageneinstellbarkeit 3° Contained in seal kit. 8.8.1.3 Piston and cover basic unit 09.00 | SRH-plus | Assembly and Operating Manual | en | 389428...

  • Page 52: Assembly Srh

    Maintenance 8.8.2 Assembly SRH 8.8.2.1 Screw-on bracket with axial cable outlet Screw-on bracket with axial cable outlet 09.00 | SRH-plus | Assembly and Operating Manual | en | 389428...
  • Page 53 Maintenance 8.8.2.2 Screw-on bracket with lateral cable outlet Screw-on bracket with lateral cable outlet 09.00 | SRH-plus | Assembly and Operating Manual | en | 389428...
  • Page 54 Maintenance 8.8.2.3 Screw-on bracket CB Screw-on bracket CB 8.8.2.4 Distributor plate CB Distributor plate CB 09.00 | SRH-plus | Assembly and Operating Manual | en | 389428...
  • Page 55 Maintenance 8.8.2.5 Swivel head Swivel head 09.00 | SRH-plus | Assembly and Operating Manual | en | 389428...
  • Page 56 9 Translation of the original declaration of incorporation in terms of the Directive 2006/42/EG, Annex II, Part 1 Section B. Manufacturer/ SCHUNK SE & Co. KG Distributor Toolholding and workholding | Gripping Technology | Automation technology Bahnhofstr. 106 - 134...
  • Page 57 UKCA declaration of incorporation 10 UKCA declaration of incorporation in accordance with the Supply of Machinery (Safety) Regulations 2008. Manufacturer/ SCHUNK Intec Limited Distributor Clamping and gripping technology 3 Drakes Mews, Crownhill MK8 0ER Milton Keynes We hereby declare that on the date of the declaration the following partly completed machine complied with all basic safety and health regulations found in the "Supply of Machinery (Safety) Regulations 2008".
  • Page 58 "on the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS)", or fulfill their intended function only as part of one. Therefore products from SCHUNK do not fall within the scope of the directive at this time. REACH Regulation Products from SCHUNK fully comply with the regulations of Regulation (EC) No. 1907/2006...
  • Page 59 09.00 | SRH-plus | Assembly and Operating Manual | en | 389428...
  • Page 60 SCHUNK SE & Co. KG Toolholding and workholding | Gripping Technology | Automation technology Bahnhofstr. 106 - 134 D-74348 Lauffen/Neckar Tel. +49-7133-103-0 Fax +49-7133-103-2399 info@de.schunk.com schunk.com Folgen Sie uns I Follow us Wir drucken nachhaltig I We print sustainable...

This manual is also suitable for:

Srh-plus 25Srh-plus 30Srh-plus 35Srh-plus 40Srh-plus 50Srh-plus 60

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