SCHUNK SRM Series User instructions

Translation of the original manual
Assembly and Operating Manual
SRM
Pneumatic Swivel Unit

Imprint
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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.
Technical changes:
We reserve the right to make alterations for the purpose of technical improvement.
Document number: 1346850
Version: 06.00|18/02/2020|en
© SCHUNK GmbH & Co. KG
All rights reserved.
Dear Customer,
thank you for trusting our products and our family-owned company, the leading
technology supplier of robots and production machines.
Our team is always available to answer any questions on this product and other solutions.
Ask us questions and challenge us. We will find a solution!
Best regards,
Your SCHUNK team
SCHUNK GmbH & Co. KG
Spann- und Greiftechnik
Bahnhofstr. 106 – 134
D-74348 Lauffen/Neckar
Tel. [phone]
Fax [phone]
[email protected]
schunk.com

Table of Contents
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Table of Contents
1 General.................................................................................................................... 6
1.1 About this manual ................................................................................................ 6
1.1.1 Presentation of Warning Labels ...............................................................6
1.1.2 Definition of Terms...................................................................................7
1.1.3 Applicable documents ..............................................................................7
1.1.4 Sizes ..........................................................................................................7
1.1.5 Variants.....................................................................................................7
1.2 Warranty .............................................................................................................. 8
1.3 Scope of delivery .................................................................................................. 8
1.3.1 Accessories pack.......................................................................................8
1.4 Accessories ........................................................................................................... 9
1.4.1 Spare parts packages................................................................................9
1.4.2 Tools .......................................................................................................10
2 Basic safety notes ..................................................................................................11
2.1 Intended use....................................................................................................... 11
2.2 Not intended use................................................................................................ 11
2.3 Constructional changes ...................................................................................... 11
2.4 Spare parts ......................................................................................................... 11
2.5 Ambient conditions and operating conditions ...................................................12
2.6 Personnel qualification....................................................................................... 12
2.7 Personal protective equipment.......................................................................... 13
2.8 Notes on safe operation ..................................................................................... 13
2.9 Transport ............................................................................................................ 14
2.10 Malfunctions....................................................................................................... 14
2.11 Disposal .............................................................................................................. 14
2.12 Fundamental dangers......................................................................................... 15
2.12.1 Protection during handling and assembly ..............................................15
2.12.2 Protection during commissioning and operation ...................................15
2.12.3 Protection against dangerous movements.............................................16
2.12.4 Protection against electric shock............................................................16
2.13 Notes on particular risks..................................................................................... 17
3 Technical data.........................................................................................................19
3.1 Basic data, size 10 - 14........................................................................................ 19
3.2 Basic data, size 16 - 40........................................................................................ 20
4 Structure and description, size 10 - 14.....................................................................21
4.1 Design ................................................................................................................. 21
4.1.1 Base unit, variant -E / -H / -S ..................................................................21
4.1.2 Base unit, variant -X................................................................................22
4.1.3 Variant with fluid feed-through (MDF)...................................................23
4.2 Description ......................................................................................................... 24

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5 Design and description, size 16 - 40.........................................................................25
5.1 Design ................................................................................................................. 25
5.1.1 Base unit .................................................................................................25
5.1.2 Variant with fluid feed-through (MDF)...................................................26
5.1.3 Variant with electric rotary feed-through (EDF).....................................26
5.1.4 Variant with inductive sensor (SI) / (SF) .................................................27
5.2 Description ......................................................................................................... 28
6 Mounting and adjustments, size 10 - 14 ..................................................................29
6.1 Assembling and connecting................................................................................ 29
6.2 Connections........................................................................................................ 31
6.2.1 Mechanical connection...........................................................................31
6.2.2 Pneumatic connection............................................................................35
6.2.3 Connections to the fluid feed-through (MDF) ........................................36
6.3 Settings............................................................................................................... 38
6.3.1 Adjust swivel angle .................................................................................39
6.3.2 Set swivel time and absorber stroke, variants -E / -H / -S ......................42
6.3.3 Adjust swiveling time and absorber stroke, variant -X ...........................44
6.3.4 Diagram of swiveling movement ............................................................50
6.4 Mounting the sensor .......................................................................................... 51
6.4.1 Overview of sensors ...............................................................................51
6.4.2 Mounting magnetic switch MMS 22 / reed switch RMS 22 ...................52
7 Assembly and settings, size 16 - 40..........................................................................53
7.1 Assembling and connecting................................................................................ 53
7.2 Connections........................................................................................................ 55
7.2.1 Mechanical connection...........................................................................55
7.2.2 Pneumatic connection............................................................................57
7.2.3 Connections to the fluid feed-through (MDF) ........................................59
7.2.4 Connections on the electrical rotary feed-through (EDF).......................60
7.3 Settings............................................................................................................... 62
7.3.1 Adjust swivel angle .................................................................................63
7.3.2 Set swivel time........................................................................................65
7.3.3 Adjust absorber stroke ...........................................................................67
7.3.4 Diagram of swiveling movement ............................................................68
7.4 Mounting the sensor .......................................................................................... 69
7.4.1 Overview of sensors ...............................................................................69
7.4.2 Mounting magnetic switch MMS 22 / reed switch RMS 22 ...................70
7.4.3 Mounting programmable magnetic switch MMS 22-PI1........................71
7.4.4 Mounting inductive proximity switch IN 80 ...........................................72

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8 Troubleshooting .....................................................................................................74
8.1 Product does not move smoothly to the end positions .....................................74
8.2 Product does not travel through the rotating angle ..........................................75
8.3 Product rotates jerkily ........................................................................................ 75
8.4 Product does not move ...................................................................................... 76
8.5 Torque is diminishing ......................................................................................... 76
9 Maintenance, size 10 - 14........................................................................................77
9.1 Maintenance interval ......................................................................................... 77
9.2 Lubricants/Lubrication points (basic lubrication) ............................................... 77
9.3 Inspect shock absorbers ..................................................................................... 78
9.4 Replace shock absorber...................................................................................... 78
9.5 Replacing seals ................................................................................................... 79
9.5.1 Base unit .................................................................................................79
9.5.2 Fluid feed-through (MDF) variant...........................................................81
9.6 Assembly drawings ............................................................................................. 82
9.6.1 Base unit .................................................................................................82
9.6.2 Stop with damper variant -E...................................................................83
9.6.3 Stop with damper variant -H ..................................................................84
9.6.4 Stop with absorber variant -S .................................................................85
9.6.5 Variant with fluid feed-through (MDF)...................................................86
9.6.6 Variant with external stop -X..................................................................87
10 Maintenance, size 16 - 40........................................................................................88
10.1 Maintenance interval ......................................................................................... 88
10.2 Lubricants/Lubrication points (basic lubrication) ............................................... 89
10.3 Inspect and set shock absorbers ........................................................................ 89
10.3.1 Inspect shock absorbers .........................................................................89
10.3.2 Set shock absorber overhang .................................................................89
10.3.3 Shock absorber types and overlap .........................................................90
10.4 Replace shock absorber...................................................................................... 90
10.5 Replacing seals ................................................................................................... 91
10.5.1 Base unit .................................................................................................91
10.5.2 Fluid feed-through (MDF) variant...........................................................93
10.5.3 Electrical rotary feed-through (EDF) variant...........................................95
10.6 Assembly drawings ............................................................................................. 97
10.6.1 Base unit .................................................................................................97
10.6.2 Stops with variant "End position adjustment +/- 3°"..............................98
10.6.3 Stops with variant "End position adjustment + 3 / -90°"........................99
10.6.4 Variant with inductive sensor (SI) / (SF) ...............................................100
10.6.5 Variant with fluid feed-through (MDF).................................................101
10.6.6 Variant with electrical rotary feed-through (EDF) ................................102
11 Translation of original declaration of incorporation ..............................................104
12 Annex to Declaration of Incorporation..................................................................105

General
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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. Prerequisite for safe working is
the observance of all safety instructions in this manual.
Illustrations in this manual are provided for basic understanding
and may differ from the actual product design.
In addition to these instructions, the documents listed under
Applicable documents [}7] are applicable.
1.1.1 Presentation of Warning Labels
To make risks clear, the following signal words and symbols are
used for safety notes.
DANGER
Danger for persons!
Non-observance will inevitably cause irreversible injury or death.
WARNING
Dangers for persons!
Non-observance can lead to irreversible injury and even death.
CAUTION
Dangers for persons!
Non-observance can cause minor injuries.
CAUTION
Material damage!
Information about avoiding material damage.

General
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1.1.2 Definition of Terms
The term "product" replaces the product name on the title page in
this manual.
1.1.3 Applicable documents
• General terms of business *
• Catalog data sheet of the purchased product *
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:
• SRM 10
• SRM 12
• SRM 14
• SRM 16
• SRM 25
• SRM 32
• SRM 40
1.1.5 Variants
This operating manual applies to the following variations:
Size 10 – 14 • SRM with absorber variant E, H or S
• SRM with absorber variant E, H or S and fluid feed-through
(MDF)
• SRM with external stop (X)
• SRM with external stop (X) and fluid feed-through (MDF)
Size 16 – 40 • SRM Angle of rotation 90° or 180°
• SRM End position adjustability ±3° or +3°/-90°
• SRM with fluid feed-through (MDF)
• SRM with electrical feed-through (EDF)
• SRM with inductive sensor and adjustable cam (SI)
• SRM with inductive sensor and fixed cam (SF)

General
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1.2 Warranty
If the product is used as intended, the warranty is valid for 24
months from the ex-works delivery date under the following
conditions:
• Observe the maximum service life
• Observe the specified maintenance and lubrication intervals
• Observe the ambient conditions and operating conditions
Parts touching the workpiece and wear parts are not included in
the warranty.
Performance SRM
10 12 14 16 25 32 40
Cycles, maximum
number[mil.] *
15 15 15 10 8 6.5 5
*) Depending on the variant, a cycle consists of two swiveling
procedures:
– 0°to180° and 180°to0° or
– 0°to90° and 90°to0°
1.3 Scope of delivery
The scope of delivery includes
• Pneumatic swivel unit SRM in the version ordered
• Assembly and Operating Manual
• Accessory pack
1.3.1 Accessories pack
ID no. Accessory pack
Size Ident number
SRM 10 1402902
SRM 12 1402833
SRM 14 1352394
SRM 16 1333486
SRM 25 1011311
SRM 32 1352419
SRM 40 1333212

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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 Spare parts packages
Spare parts packages allow for the maintenance and repair of
individual components. For information on the range of the spare
parts packages, see www.schunk.com > Service.
The following spare parts packages are available for this product:
• Spare part package "Sealing kit"
• Spare part package "Shock absorber"
Seal kit
Size ID number
Base unit
ID number
Fluid feed-through
(MDF)
SRM 10 1407715 -
SRM 12 1407662 -
SRM 14 1346995 -
SRM 16 1346986 1346989
SRM 25 1346971 1346977
SRM 32 1405116 1405121
SRM 40 1346937 1346946
Shock absorber
Size ID number
Base unit
ID number
with external stop (X)
SRM 10 1407726 1407727
SRM 12 1407664 1407665
SRM 14 1346992 1346998
SRM 16 1346980 -
SRM 25 1346959 -
SRM 32 1405125 -
SRM 40 1346927 -

General
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1.4.2 Tools
Size 10 – 14
Tool for dismantling the product, specifications in mm
Size 16 – 40
Tool for dismantling the product, specifications in mm
ID no. Tool
Size Ident number
SRM 10 1407760
SRM 12, 14 1346923
SRM 16 1331216
SRM 25 1331220
SRM 32 1331221
SRM 40 1331223

Basic safety notes
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2 Basic safety notes
2.1 Intended use
The product may only be used for swiveling permissible
attachment parts or workpieces.
• The product may only be used within the scope of its technical
data, Technical data [}19].
• When implementing and operating components in safety-
related parts of the control systems, the basic safety principles
in accordance with DIN EN ISO 13849-2 apply. The proven safety
principles in accordance with DIN EN ISO 13849-2 also apply to
categories 1, 2, 3 and 4.
• The product is intended for installation in a machine/system.
The applicable guidelines must be observed and complied with.
• The product is intended for industrial and industry-oriented use.
• Appropriate use of the product includes compliance with all
instructions in this manual.
2.2 Not intended use
Inappropriate use includes using the product as a cutting tool or
drilling tool, for example.
It is forbidden to use the product outdoors, underground or in
explosive atmospheres.
• Any utilization that exceeds or differs from the appropriate use
is regarded as misuse.
2.3 Constructional changes
Implementation of structural changes
By conversions, changes, and reworking, e.g. additional threads,
holes, or safety devices can impair the functioning or safety of the
product or damage it.
• Structural changes should only be made with the written
approval of SCHUNK.
2.4 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.

Basic safety notes
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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.
• Make sure that the product is used only in the context of its
defined application parameters, Technical data [}19].
2.6 Personnel qualification
Inadequate qualifications of the personnel
If the personnel working with the product is not sufficiently
qualified, the result may be serious injuries and significant
property damage.
• All work may only be performed by qualified personnel.
• Before working with the product, the personnel must have read
and understood the complete assembly and operating manual.
• Observe the national safety regulations and rules and general
safety instructions.
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.
Qualified personnel Due to its technical training, knowledge and experience, qualified
personnel is able to perform the delegated tasks, recognize and
avoid possible dangers and knows the relevant standards and
regulations.
Instructed person Instructed persons were instructed by the operator about the
delegated tasks and possible dangers due to improper behaviour.
Service personnel of
the manufacturer
Due to its technical training, knowledge and experience, service
personnel of the manufacturer is able to perform the delegated
tasks and to recognize and avoid possible dangers.

Basic safety notes
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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.
• Observe the valid safety and accident prevention regulations.
• Wear protective gloves to guard against sharp edges and
corners or rough surfaces.
• Wear heat-resistant protective gloves when handling hot
surfaces.
• Wear protective gloves and safety goggles when handling
hazardous substances.
• Wear close-fitting protective clothing and also wear long hair in
a hairnet when dealing with moving components.
2.8 Notes on safe operation
Incorrect handling of the personnel
Incorrect handling and assembly may impair the product's safety
and cause serious injuries and considerable material damage.
• Avoid any manner of working that may interfere with the
function and operational safety of the product.
• Use the product as intended.
• Observe the safety notes and assembly instructions.
• Do not expose the product to any corrosive media. This does
not apply to products that are designed for special
environments.
• Eliminate any malfunction immediately.
• Observe the care and maintenance instructions.
• Observe the current safety, accident prevention and
environmental protection regulations regarding the product's
application field.

Basic safety notes
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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.
• 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.
• Do not recommission the product until the malfunction has
been rectified.
• Test the product after a malfunction to establish whether it still
functions properly and no increased risks have arisen.
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.

Basic safety notes
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2.12 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.
• If the energy supply is connected, do not move any parts by
hand.
• Do not reach into the open mechanism or movement area of
the product during operation.
2.12.1 Protection during handling and assembly
Incorrect handling and assembly
Incorrect handling and assembly may impair the product's safety
and cause serious injuries and considerable material damage.
• Have all work carried out by appropriately qualified personnel.
• 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.
• Never move loads without supervision.
• Do not leave suspended loads unattended.
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.

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2.12.3 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.
• Never rely solely on the response of the monitoring function to
avert danger. Until the installed monitors become effective, it
must be assumed that the drive movement is faulty, with its
action being dependent on the control unit and the current
operating condition of the drive. Perform maintenance work,
modifications, and attachments outside the danger zone
defined by the movement range.
• To avoid accidents and/or material damage, human access to
the movement range of the machine must be restricted. Limit/
prevent accidental access for people in this area due through
technical safety measures. The protective cover and protective
fence must be rigid enough to withstand the maximum possible
movement energy. EMERGENCY STOP switches must be easily
and quickly accessible. Before starting up the machine or
automated system, check that the EMERGENCY STOP system is
working. Prevent operation of the machine if this protective
equipment does not function correctly.
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.
• While paying attention to the actual conditions of the working
environment, the potential equalisation must be implemented
by a specialist electrician according to the applicable
regulations.
• The effectiveness of the potential equalisation must be verified
by executing regular safety measurements.

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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.
•Do not leave suspended loads unattended.
•Wear suitable protective equipment.
WARNING
Risk of injury from objects falling and being ejected!
Falling and ejected objects during operation can lead to serious
injury or death.
•Take appropriate protective measures to secure the danger
zone.
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.
•Make sure, that no residual energy remains in the system.
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.
•For all work in the vicinity of hot surfaces, wear safety gloves.
•Before carrying out any work, make sure that all surfaces have
cooled down to the ambient temperature.

Basic safety notes
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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.
WARNING
Risk of injury if the condition or behavior of the product is
undefined!
Cutting off the compressed air supply in an uncontrolled manner
could lead to undefined states and behavior. This may cause
personal injury or material damage.
•The operator must define suitable emergency stop and
restarting strategies.
✓Emergency stop strategies: e.g. by means of controlled shut
down
✓Restarting strategies: e.g. using pressure build-up valves or
suitable valve switching sequences
WARNING
Risk of injury due to magnetic fields in the immediate vicinity!
In case of exposure to magnetic fields, the product may
malfunction. Workpieces may fall down or be ejected and cause
severe injuries.
•Sufficiently shield magnetic fields in the immediate vicinity of
the product.
•Make sure that the product is prevented from malfunctioning.

Technical data
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3 Technical data
3.1 Basic data, size 10 - 14
Designation Value
Pressure medium Compressed air, compressed air
quality according to
ISO 8573-1:7 4 4
Nominal operating pressure [bar] 6
Min. pressure [bar], SRM-E 4.5
Min. pressure [bar], SRM-H/-S 3
Min. pressure [bar], SRM-X 3
Max. pressure [bar] 6.5
More technical data is included in the catalog data sheet.
Whichever is the latest version.
The catalog data sheet contains diagrams for designing the
maximum permissible mass moment of inertia.
The SCHUNK contact person provides support for designing further
applications.
Ambient conditions and operating conditions
Designation Value
Ambient temperature [°C]
Min.
Max.
+5
+60
Protection class IP, SRM-E /-H /-S 40
Protection class IP, SRM-X 40
Noise emission [dB(A)] ≤ 70

Technical data
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3.2 Basic data, size 16 - 40
Designation Value
Pressure medium Compressed air, compressed
air quality according to
ISO 8573-1:7 4 4
Nominal operating pressure [bar] 6
Min. pressure [bar] 4
Max. pressure [bar] 6.5 / 8 (MDF)
Connection data for variant with electrical rotary feed-through "EDF"
Designation Value
Max. Voltage [V] 48
Max. Current per wire [A] 1
More technical data is included in the catalog data sheet.
Whichever is the latest version.
The catalog data sheet contains diagrams for designing the
maximum permissible mass moment of inertia.
The SCHUNK contact person provides support for designing further
applications.
Ambient conditions and operating conditions
Designation Value
Ambient temperature [°C]
Min.
Max.
+5
+60
Protection class IP 65
Noise emission [dB(A)] ≤ 70
Ambient conditions and operating conditions for variant with electrical rotary feed-
through (EDF)
Designation Value
EDF 48V / 1A EDF 48V /
750mA
Ambient temperature [°C]
Min.
Max.
+5
+50
+50
+60
Protection class IP 65
Noise emission [dB(A)] ≤ 70