SCHUNK ROTA-S plus 2.0 User instructions

Translation of the original manual

Manual chuck

ROTA-S plus 2.0

Assembly and Operating Manual

Superior Clamping and Gripping

Imprint

05.00|0889002_ROTA-S plus 2.0 |en

Imprint

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: 0889002

Version: 05|28/03/2019|en

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

H.-D. SCHUNK GmbH & Co.

Spanntechnik KG

Lothringer Str. 23

D-88512 Mengen

Tel. +49–7572-7614-0

Fax +49-7572-7614-1099

[email protected]

schunk.com

Table of Contents

05.00|0889002_ROTA-S plus 2.0 |en

Table of Contents

About this manual.................................................................................................... 5

1.1

Presentation of Warning Labels ............................................................................... 5

1.2

Applicable documents .............................................................................................. 6

Basic safety instructions ........................................................................................... 7

2.1

Intended use............................................................................................................. 7

2.2

Not intended use ...................................................................................................... 7

2.3

Notes on particular risks........................................................................................... 8

2.4

Notes on safe operation......................................................................................... 10

2.4.1

Constructional changes............................................................................... 14

2.5

Personnel qualification........................................................................................... 14

2.6

Organizational measures........................................................................................ 14

2.7

Personal protective equipment.............................................................................. 15

Warranty................................................................................................................. 16

Torque per screw .................................................................................................... 16

Scope of delivery ..................................................................................................... 16

Technical data ......................................................................................................... 17

6.1

Chuck data .............................................................................................................. 17

6.2

Clamping force / speed diagrams........................................................................... 18

6.3

Calculations for clamping force and speed ............................................................ 22

6.3.1

Calculation of the required clamping force in case of a given rpm............ 22

6.3.2

Calculation example: Required initial clamping force Fsp0 for a given rpm n

..................................................................................................................... 24

6.3.3

Calculation of the permissible rpm nzul in case of a given initial clamping

force Fsp0.................................................................................................... 26

6.4

Grades of Accuracy................................................................................................. 26

6.5

Permissible imbalance............................................................................................ 26

Attachment of the manual chuck............................................................................. 27

7.1

Handling prior to attachment................................................................................. 27

7.2

Preparing the chuck attachment............................................................................ 27

7.3

Mounting of the Manual Chuck ............................................................................. 28

Function .................................................................................................................. 29

8.1

Handling and jaw change ....................................................................................... 29

8.2

Important notes...................................................................................................... 31

8.3

Control of the chuck ............................................................................................... 32

8.4

Control of true-running .......................................................................................... 32

Table of Contents

05.00|0889002_ROTA-S plus 2.0 |en

Maintenance ........................................................................................................... 34

9.1

Disassembling and assembling the chuck .............................................................. 34

9.2

Jaw change ............................................................................................................. 36

9.3

At least once a month ............................................................................................ 36

9.4

In the case of decreasing clamping force or after approx. 200 operating hours .. 37

9.5

Maintenance intervals............................................................................................ 37

Disposal .................................................................................................................. 38

Spare parts.............................................................................................................. 39

Assembly drawing ................................................................................................... 40

About this manual

05.00|0889002_ROTA-S plus 2.0 |en

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

(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

About this manual

05.00|0889002_ROTA-S plus 2.0 |en

Applicable documents

•General terms of business*

•Catalog data sheet of the purchased product *

•Calculation of the jaw centrifugal forces, "Technology" chapter

in the lathe chuck catalog *

The documents marked with an asterisk (*) can be downloaded on

our homepage schunk.com

1.2

Basic safety instructions

05.00|0889002_ROTA-S plus 2.0 |en

Basic safety instructions

Improper handling, assembly and maintenance of this product may

result in risk to persons and equipment if this operating manual is

not observed.

Report any failures and damage immediately and repair without

delay to keep the extent of the damage to a minimum and prevent

compromising the safety of the product.

Only original SCHUNK spare parts may be used.

Intended use

The product is suitable for clamping workpieces on milling or lathe

machines and other suitable tooling machines.

•The product may only be used within the scope of its technical

data, (6, Page 17).

•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 RPM of the chuck and the required clamping

force must be determined by the user for the respective

clamping task based on the applicable standards and technical

specifications of the manufacturer.

(See also “Calculations for clamping force and RPM” in the

chapter “Technical data”). (6, Page 17)

Not intended use

A not intended use of the product is for example:

•It is used as a press, a punch, a toolholder, a load-handling

device or as lifting equipment.

•the product is used for unintended machines or workpieces.

•the technical data is exceeded when using the product.

(6, Page 17)

•if workpieces are not clamped properly, paying particular

attention to the clamping forces specified by the manufacturer.

•if it is used in working environments that are not permissible.

•if the product is operated without a protective cover.

2.1

2.2

Basic safety instructions

05.00|0889002_ROTA-S plus 2.0 |en

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 lathe 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.

DANGER

Possible 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.

2.3

Basic safety instructions

05.00|0889002_ROTA-S plus 2.0 |en

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 chuck.

•Note the relevant load securing regulations for working safely

with cranes, ground conveyors, lifting gear and load-handling

equipment.

CAUTION

Danger of slipping and falling in case of dirty environment

where the chuck is used (e.g. by cooling lubricants or oil).

•Ensure that the working environment is clean before starting

assembly and installation work.

•Wear suitable safety shoes.

•Follow the safety and accident-prevention regulations when

operating the chuck, especially when working with machine

tools and other technical equipment.

CAUTION

Danger of limbs being crushed by opening and closing of the

chuck jaws during manual loading and unloading or when

replacing moving parts.

•Do not reach between the jaws.

•Wear safety gloves.

•Observe the safety and accident prevention regulations during

operation of the chuck, especially in connection with

machining centers and other technical equipment.

CAUTION

Risk of burns due to workpieces with high temperatures.

•Wear protective gloves when removing the workpieces.

•Automatic loading is preferred.

Basic safety instructions

05.00|0889002_ROTA-S plus 2.0 |en

CAUTION

Danger of damage due to incorrectly selected clamping position

of the clamping jaws to the workpiece.

An incorrectly selected clamping position of the clamping jaws to

the workpiece can result in damage to the base and top jaws.

•Make sure that the workpiece clamping is concentric.

•In the case of a chuck with a quick-change jaw system the top

jaws must not protrude radially beyond the base jaws used.

Exception: The supporting jaw variant 3 protrudes beyond the

chuck base jaw due to the construction of the jaw. In this case,

the T-nuts must always be inserted completely into the groove

of the chuck base jaw.

CAUTION

Hazard from vibration due to imbalanced rotating parts and

noise generation.

Physical and mental strains due to imbalanced workpieces and

noise during the machining process on the clamped and rotating

workpiece.

•Ensure the chuck's axial and concentric runout.

•Check options for remedying imbalances on special top jaws

and workpieces.

•Reduce the speed.

•Wear hearing protection.

Notes on safe operation

•Do not start the machine spindle until the workpiece is

clamped and the spanner wrench has been removed from the

chuck.

•Only operate the lathe chuck when all protective equipment

has been fitted and is in full working order.

•Check the lathe chuck at least once per shift for externally

visible damage and faults.

Functional test

After installation of the lathe chuck, its function must be checked

prior to start-up:

•Clamping force! At max. torque, the clamping force specified

for the chuck must be reached.

2.4

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