SCHUNK ROTA THWvario User instructions

Translation of Original Operating Manual
Jaw quick-change with arbor or
collet chuck adapter
ROTA THW vario
Assembly and Operating Manual
Superior Clamping and Gripping

Imprint
2 01.00|ROTA THW vario |en-US
Imprint
Copyright:
This manual is protected by copyright. The author is SCHUNK GmbH & Co. KG. All rights
reserved.
Technical changes:
We reserve the right to make technical improvements.
Document number: 889033
Version: 01.00 |12/10/2020|en-US
Dear Customer
Dear Customer,
Thank you for putting your trust in 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.
We look forward to your challenging questions. We will find a solution!
Best regards,
Your SCHUNK team
H.-D. SCHUNK GmbH & Co.
Spanntechnik KG
Lothringer Str. 23
D-88512 Mengen
Tel. [phone]
Fax [phone]
[email protected]
schunk.com
Customer Management
Tel. [phone]
Fax [phone]
custo[email protected]
Please read the operating manual in full and keep it close to the product.

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3
1
General information ................................................................................................. 6
1.1
Safety notes .............................................................................................................. 6
1.2
Applicable documents.............................................................................................. 7
2
Basic safety notes..................................................................................................... 8
2.1
Appropriate use........................................................................................................ 8
2.2
Inappropriate use ..................................................................................................... 9
2.3
Notes on particular risks........................................................................................... 9
2.4
Notes on safe operation......................................................................................... 12
2.4.1
Substantial modifications............................................................................ 15
2.5
Personnel qualification........................................................................................... 15
2.6
Organizational measures........................................................................................ 16
2.7
The use of personal protective equipment............................................................ 16
3
Warranty................................................................................................................. 17
4
Scope of delivery ..................................................................................................... 17
4.1
ROTA THW vario 215-62......................................................................................... 17
4.2
ROTA THW vario D.................................................................................................. 17
4.3
ROTA THW vario F .................................................................................................. 17
5
Screw torques ......................................................................................................... 18
6
Technical data ......................................................................................................... 19
6.1
Chuck data .............................................................................................................. 19
6.2
Clamping force RPM diagrams ............................................................................... 20
6.3
Calculating the clamping force and RPM ............................................................... 21
6.3.1
Calculation of the required clamping force at a specified speed of rotation
..................................................................................................................... 21
6.3.2
Calculation example: required initial clamping force for a given RPM ...... 23
6.3.3
Calculation of the permissible RPM in case of a given initial clamping force
..................................................................................................................... 25
6.4
Accuracy classes ..................................................................................................... 26
6.5
Permitted imbalance .............................................................................................. 26
7
Product description ................................................................................................. 27
7.1
Segmented mandrel ROTA THW vario D................................................................ 27
7.2
Collet chuck ROTA THW vario F.............................................................................. 28
8
Assembly................................................................................................................. 30
8.1
Mounting the lathe chuck onto the machine spindle............................................ 30
8.2
Segmented mandrel ROTA THW vario D................................................................ 33
8.2.1
Mounting the segmented mandrel on the power chuck ........................... 33

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8.2.2
Changing the segmented clamping sleeve ................................................. 36
8.2.3
Changing the stops...................................................................................... 36
8.2.4
Disassembling and assembling the segmented mandrel ........................... 37
8.3
Collet chuck ROTA THW vario F.............................................................................. 38
8.3.1
Mounting the segmented mandrel on the power chuck ........................... 38
8.3.2
Replacing vario F clamping head ................................................................ 41
8.3.3
Back stops.................................................................................................... 42
8.3.4
Disassembling and assembling the collet chuck......................................... 43
9
Function .................................................................................................................. 44
9.1
Function and handling............................................................................................ 44
9.2
Base jaw position.................................................................................................... 45
9.3
Replacement or enlargement of jaws .................................................................... 45
9.4
Center sleeve range................................................................................................ 45
9.5
Disassembling and assembling the chuck .............................................................. 47
10
Troubleshooting ...................................................................................................... 49
10.1
Segmented mandrel ROTA THW vario D................................................................ 49
10.2
Collet chuck ROTA THW vario F.............................................................................. 50
11
Maintenance ........................................................................................................... 51
11.1
General information ............................................................................................... 51
11.2
Cleaning .................................................................................................................. 52
11.3
Lubrication.............................................................................................................. 52
11.4
Maintenance plan................................................................................................... 53
11.5
Technical condition ................................................................................................ 55
11.6
Changing the stepped jaws .................................................................................... 55
12
Spare parts .............................................................................................................. 56
12.1
ROTA THW vario 215-62......................................................................................... 56
12.1.1
Versions and spare parts, segmented mandrel ROTA THW vario D........... 58
12.1.2
Design and spare parts, collet chucks ROTA THW vario F .......................... 59
13
Assembly drawing ................................................................................................... 60
13.1
ROTA THW vario 215-62......................................................................................... 60
13.1.1
Segmented mandrel ROTA THW vario D .................................................... 62
13.1.2
Collet chuck ROTA THW vario F .................................................................. 63
14
Accessories.............................................................................................................. 64
14.1
Segmented clamping sleeve ROTA THW vario D ................................................... 64
14.1.1
SAD segmented clamping sleeve ................................................................ 64
14.1.2
Back stops.................................................................................................... 67
14.1.3
Mandrex ...................................................................................................... 68

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14.2
Collet chuck ROTA THW vario F.............................................................................. 70
14.2.1
HSW clamping heads for self-turning ......................................................... 70
14.2.2
Changing device .......................................................................................... 73
14.2.3
Jaw turning rings ......................................................................................... 75
15
Declaration of Incorporation ................................................................................... 77

General information
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General information
This operating manual is an integral part of the product and
contains important information on safe and proper assembly,
start-up, operation, care, maintenance and disposal. This manual
must be kept in the immediate vicinity of the product, accessible
to all users.
Pay particular attention to the chapter "Basic safety notes" prior to
using the product described in this manual. (2, Page 8)
If transferring the product to a third party, be sure to include this
operating manual.
The illustrations in this operating manual are intended to provide a
basic understanding of the product and may deviate from the
actual version.
We accept no liability for damage resulting from failure to
observe and comply with this operating manual.
Safety notes
To make risks clear,the following signal words and symbols are
used for safety notes.
DANGER
Danger to individuals!
Ignoring a safety note such as this will certainly lead to
irreversible injury and even death.
WARNING
Danger to individuals!
Ignoring a safety note such as this can lead to irreversible injury
and even death.
CAUTION
Danger to individuals!
Non-observance can cause minor injuries.
1
1.1

General information
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7
NOTICE
Material damage!
Information about avoiding material damage.
WARNING
Warning about hand injuries
WARNING
Warning about hot surfaces
Applicable documents
• General terms and conditions *
• Catalog data sheet for purchased product *
• Calculation of the jaw centrifugal forces, in the chapter
"Technology" of the lathe chuck catalog *
The documents indicated with an asterisk (*) can be downloaded
from schunk.com.
1.2

Basic safety notes
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Basic safety notes
The improper handling, assembly and maintenance of this product
may result in risk to persons and equipment if this manual is not
observed.
• Read through the manual carefully prior to assembly and
installation.
• Report any failures and damage to the manual lathe chuck
immediately following detection and repair it without delay to
keep the extent of the damage minimal and prevent
compromising the safety of the chuck. Only use original
SCHUNK spare parts when replacing damaged parts.
• Keep this manual accessible to all users at all times.
• If transferring the product to a third party, be sure to include
this manual.
Appropriate use
This product is intended for clamping workpieces on lathes and
other suitable machine tools.
• The product may only be used within the scope of its technical
data, (6, Page 19).
• The product is intended for industrial and industry-oriented
use.
• Appropriate use of the product includes compliance with all
instructions in this manual.
• The maximum speed and the necessary clamping force must be
determined by the operator for each clamping task in
accordance with the valid standards or technical specifications
of the manufacturer.
(Also see "Calculation for clamping force and speed of rotation"
in chapter "Technical data".) (6, Page 19)
2
2.1

Basic safety notes
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Inappropriate use
The manual lathe chuck is not being used as intended if, for
example:
• workpieces are not properly clamped.
• safety regulations are disregarded and persons are working at
the manual lathe chuck (for example, to machine clamped
workpieces) without additional protective equipment.
• the technical data is exceeded when using the manual lathe
chuck.
• the manual lathe chuck is used with machines/systems or
workpieces that are not designed to be used with it.
Notes on particular risks
This product may pose a danger to persons and property if, for
example:
• it is not used as intended;
• it is not installed or maintained properly;
• the safety and installation instructions, local applicable safety
and accident prevention regulations or the EC Machinery
Directive are not observed.
DANGER
Possible risk of fatal injury to operating personnel if a jaw
breaks or if the chuck fails because the technical data have been
exceeded and a workpiece is released or parts fly off!
• The technical data specified by the manufacturer for using the
lathe chuck must never be exceeded.
• The lathe chuck may only be used on machines and facilities
that fulfill the minimum requirements of the EC Machinery
Directive; specifically, they must have effective technical
measures to protect against possible mechanical hazards.
2.2
2.3

Basic safety notes
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DANGER
Risk of fatal injury to operating personnel from clothing or hair
being caught on the lathe chuck and being dragged into the
machine!
Loose clothing or long hair may become caught on projecting
parts of the lathe chuck and be drawn into the machine.
• The machines and equipment must fulfill the minimum
requirements of the EC Machinery Directive; specifically, they
must have effective technical measures to protect against
potential mechanical hazards.
• Always wear tight-fitting clothing and a hairnet when working
on the machine and the lathe chuck.
WARNING
Risk of injury due to dropping the chuck during transport,
installation or removal.
• Take special care in the danger zone when transporting,
installing or removing the lathe chuck.
• Note the relevant load securing regulations for working safely
with cranes, ground conveyors, lifting gear and load-handling
equipment.
CAUTION
Risk of slipping or falling if the chuck's operational environment
is not clean (e.g. contaminated with cooling lubricants or oil).
• Ensure that the working environment is clean before starting
assembly and installation work.
• Wear suitable safety boots.
• Follow the safety and accident prevention regulations when
operating the chuck, especially when working with machine
tools and other technical equipment.