SCHUNK PZH-plus 30 User instructions

Original operating manual
3-finger centric gripper
PZH-plus 020-075
Assembly and Operating Manual
Superior Clamping and Gripping

Imprint
2 02.00|PZH-plus 020-075|en
Imprint
Copyright:
This manual remains the copyrighted property of SCHUNK GmbH & Co. KG. It is solely sup-
plied to our customers and operators of our products and forms part of the product. This
documentation may not be duplicated or made accessible to third parties, in particular com-
petitive companies,
without our prior permission.
Technical changes:
We reserve the right to make alterations for the purpose of technical improvement.
Document number: 0389504
Edition: 02.00 |26/10/2016|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 operation manual will support you.
Do you have further questions? You may contact us at any time – even after purchase.
Kindest Regards
Yours SCHUNK GmbH & Co. KG
Spann- und Greiftechnik
Bahnhofstr. 106 – 134
D-74348 Lauffen/Neckar
Tel. [phone]
Fax [phone]
[email protected]k.com
www.schunk.com

Table of contents
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3
Table of contents
1
General .............................................................................................................................. 5
1.1
About this manual ............................................................................................................. 5
1.1.1
Presentation of Warning Labels ........................................................................... 5
1.1.2
Applicable documents........................................................................................... 6
1.1.3
Sizes ........................................................................................................................ 6
1.2
Warranty ............................................................................................................................ 6
1.3
Scope of delivery................................................................................................................ 6
1.3.1
Accessory pack....................................................................................................... 6
1.4
Accessories ......................................................................................................................... 7
1.4.1
Seal kit .................................................................................................................... 7
1.4.2
Mounting kit for proximity switch IN................................................................... 7
1.4.3
Pressure piece assembly kit.................................................................................. 7
2
Basic safety notes ............................................................................................................. 8
2.1
Intended use ...................................................................................................................... 8
2.2
Not intended use ............................................................................................................... 8
2.3
Constructional changes ..................................................................................................... 8
2.4
Spare parts ......................................................................................................................... 8
2.5
Gripper fingers .................................................................................................................. 9
2.6
Environmental and operating conditions ........................................................................ 9
2.7
Personnel qualification...................................................................................................... 9
2.8
Personal protective equipment ...................................................................................... 10
2.9
Notes on safe operation.................................................................................................. 11
2.10
Transport .......................................................................................................................... 11
2.11
Malfunctions .................................................................................................................... 11
2.12
Disposal ............................................................................................................................ 12
2.13
Fundamental dangers...................................................................................................... 12
2.13.1
Protection during handling and assembly......................................................... 12
2.13.2
Protection during commissioning and operation ............................................. 13
2.13.3
Protection against dangerous movements ....................................................... 13
2.13.4
Protection against electric shock ....................................................................... 14
2.14
Notes on particular risks ................................................................................................. 14
3
Technical data.................................................................................................................. 16
4
Design and description .................................................................................................... 17
4.1
Configuration ................................................................................................................... 17
4.2
Description ....................................................................................................................... 17
5
Assembly ......................................................................................................................... 18

Table of contents
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5.1
Connections ..................................................................................................................... 18
5.1.1
Mechanical connection....................................................................................... 18
5.1.2
Air connection ..................................................................................................... 20
5.2
Mounting the sensor ....................................................................................................... 22
5.2.1
Overview of sensors ............................................................................................ 22
5.2.2
IN 80 inductive proximity switch........................................................................ 23
5.2.3
MMS 22 magnetic switch ................................................................................... 25
5.2.4
MMS-P programmable magnetic switch........................................................... 27
6
Troubleshooting .............................................................................................................. 32
6.1
Product is not moving ..................................................................................................... 32
6.2
The module does not travel through the entire stroke? .............................................. 32
6.3
Product opens or closes abruptly................................................................................... 33
6.4
The gripping force is dropping ........................................................................................ 33
6.5
Product does not achieve the opening and closing times............................................ 34
7
Maintenance.................................................................................................................... 35
7.1
Notes................................................................................................................................. 35
7.2
Maintenance and lubrication intervals .......................................................................... 35
7.3
Lubricants/Lubrication points......................................................................................... 35
7.4
Disassembly of the module ............................................................................................ 36
7.4.1
Assembly tool X ................................................................................................... 37
7.4.2
Assembly tool Y ................................................................................................... 38
7.5
Servicing and assembling the module............................................................................ 39
7.5.1
Screw tightening torques.................................................................................... 39
8
Assembly drawing ........................................................................................................... 40
9
Translation of original declaration of incorporation........................................................ 41
10
Annex to Declaration of Incorporation............................................................................ 42

General
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5
General
About this manual
This manual contains important information for a safe and appropri-
ate use of the product.
This manual is an integral part of the product and must be kept ac-
cessible 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 ob-
servance 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
(1.1.2, Page 6) are applicable.
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.
NOTICE
Material damage!
Information about avoiding material damage.
1
1.1
1.1.1

General
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Applicable documents
• General terms of business *
• 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 www.schunk.com.
Sizes
This operating manual applies to the following sizes:
• PZH-plus 20
• PZH-plus 30
• PZH-plus 50
• PZH-plus 75
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:
• Intended use in 1-shift operation
• Observe the mandatory maintenance and lubrication intervals
• Observe the environmental and operating conditions
Parts touching the work piece and wear parts are not part of the warranty.
Scope of delivery
The scope of delivery includes
• 3-finger centric gripper PZH-plus in the version ordered
• Accessory pack
Accessory pack
ID.-No. of the accessory pack
Accessory pack for
ID number
PZH-plus 20
5522173
PZH-plus 30
5522174
PZH-plus 50
5522175
PZH-plus 75
5522176
Content of the accessories pack: (8, Page 40).
1.1.2
1.1.3
1.2
1.3
1.3.1

General
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7
Accessories
A wide range of accessories are available for this product
For information about which accessories can be used with the ap-
propriate product version see catalog.
Seal kit
ID.-No. of the seal kit
Seal kit for
ID number
PZH-plus 20
5522219
PZH-plus 30
5522220
PZH-plus 50
5522221
PZH-plus 75
5522222
Contents of the sealing kit, (8, Page 40).
Mounting kit for proximity switch IN
ID no. of the mounting kit
ID number
PZH-plus
0305364
Pressure piece assembly kit
ID no. of the assembly kit
Assembly kit for
ID number
PZH-plus 20
0305363
PZH-plus 30
0305373
PZH-plus 50
0305383
PZH-plus 75
0305393
1.4
1.4.1
1.4.2
1.4.3

Basic safety notes
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Basic safety notes
Intended use
The product is designed exclusively for gripping and temporarily hold-
ing workpieces or objects.
• The product may only be used within the scope of its technical da-
ta, (3, Page 16).
• 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 use.
• Appropriate use of the product includes compliance with all in-
structions in this manual.
Not intended use
It is not intended use if the product is used, for example, as a pressing
tool, stamping tool, lifting gear, guide for tools, cutting tool, clamping
device or a drilling tool.
• Any utilization that exceeds or differs from the appropriate use is
regarded as misuse.
Constructional changes
Making constructional changes
Modifications, constructional changes and subsequent work, e.g. ad-
ditional threads, drill holes and safety devices may impair the opera-
tion and safety or damage the product.
• Constructional changes may only be done with SCHUNK's permis-
sion.
Spare parts
Use of unauthorised spare parts
Using unauthorised spare parts can endanger personnel and damage
the product or cause it to malfunction.
• Use only original spare parts or spares authorised by SCHUNK.
2
2.1
2.2
2.3
2.4

Basic safety notes
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9
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 ei-
ther the position "open" or "closed" in a de-energized state.
• Only exchange the gripper fingers when no residual energy re-
mains in the product.
Environmental 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 and the top jaws are a sufficient size
for the application.
• Observe maintenance and lubrication intervals, (7.2, Page 35).
• Make sure that the environment is free from splash water and
vapors as well as from abrasion or processing dust. Exceptions are
products that are designed especially for contaminated environ-
ments.
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 ac-
tivities related to the product:
Due to their technical training, knowledge and experience, trained
electricians are able to work on electrical systems, recognize and
2.5
2.6
2.7
Trained electrician

Basic safety notes
10 02.00|PZH-plus 020-075|en
avoid possible dangers and know the relevant standards and regula-
tions.
Pneumatics specialists have been trained for this particular area of
responsibility and know the relevant standards and regulations.
Hydraulic specialists have been trained for this particular area of re-
sponsibility and knows the relevant standards and regulations.
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 persons were instructed by the operator about the dele-
gated tasks and possible dangers due to improper behaviour.
Due to its technical training, knowledge and experience, service per-
sonnel of the manufacturer is able to perform the delegated tasks
and to recognize and avoid possible dangers.
Personal protective equipment
Using personal protective equipment
Not wearing personal protective equipment while working with the
product, may result in dangers that impact the personnel's safety and
health.
• While working with the product, observe the health and safety
regulations and wear the required personal safety equipment.
• Observe the valid safety and accident prevention regulations.
• In case of sharp edges and corners and rough surfaces, wear pro-
tection gloves.
• In case of hot surfaces, wear heat-resistant protection gloves.
• When dealing with hazardous substances, wear protection gloves
and goggles.
• In case of moving parts, wear tight protection clothes.
Pneumatics specialist
Hydraulic specialist
Qualified personnel
Instructed person
Service personnel of
the manufacturer
2.8