Hofmann EasyBalancer EB 3500 Manuale utente

370-3501-en Rev. 1.1 202106

Translation of the original operation manual

Hofmann Mess- und Auswuchttechnik GmbH & Co. KG I 64319 Pfungstadt I Germany I www.hofmann-global.com

Vibration testing and balancing device

Operating Instructions

EasyBalancer EB 3500

Hofmann Mess- und Auswuchttechnik GmbH & Co. KG

Werner-von-Siemens Straße 21

D-64319 Pfungstadt, Germany

Tel. +49 (0) 6157 949-0

Fax +49 (0) 6157 949-100

E-mail: [email protected]

Web: http://www.hofmann-global.com

microfilm or by any other means), nor stored, processed, copied or distributed by electronic sys-

tems, without written permission from Hofmann Mess- und Auswuchttechnik GmbH & Co. KG.

Keep the operation manual in a safe place for future use.

EasyBalancer EB 3500 Table of contents

Table of Contents

1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1

1.1 Manufacturer and designation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1

1.2 Contact. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1

1.2.1 Customer service and replacement parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1

1.3 Industrial property rights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

1.4 EC declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 3

1.5 Information about this operating manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 4

1.5.1 Illustrations and drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 4

1.5.2 Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 4

1.5.3 Warning symbols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 4

1.5.4 Keywords in safety instructions and what they mean . . . . . . . . . . . . . . . . . . . . . 1 - 5

1.5.5 Information symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 5

1.6 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 6

2 Safety information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 1

2.1 Operating the device on machines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 1

2.1.1 Requirements for personnel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 2

2.2 Appropriate use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 3

2.2.1 Purpose. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 3

2.2.2 Permitted use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 3

2.2.3 Inadmissible use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 3

2.3 Duties of the operating company . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 4

2.3.1 Duty of information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 4

2.4 Duties of the operator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4

2.5 Warranty and liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5

2.6 Replacement parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 5

2.7 Cleaning agents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5

3 Vibration testing and balancing device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 1

3.1 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 1

3.2 Storage and preservation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 2

3.2.1 Note regarding liability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 2

3.3 Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 2

3.4 Features and benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 3

3.5 Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 4

3.6 Measurement setup, example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 5

3.7 Setup instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 6

3.7.1 Vibration sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 6

3.7.2 Speed sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 8

3.7.3 Laser speed sensor (optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 10

3.7.4 Balancing system parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 11

3.7.5 Direction of rotation and angular position for unbalance correction . . . . . . . . . 3 - 12

3.7.6 Unbalance of rigid rotors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 13

3.7.7 Balancing methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 14

3.7.8 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 15

3.7.9 Permissible vibration severities. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 15

Table of contents EasyBalancer EB 3500

4 Basic operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 1

4.1 Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 1

4.1.1 Touchscreen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 1

4.1.2 Keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 1

4.1.3 Control elements in the touchscreen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 2

4.2 Basic operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 3

4.2.1 Start screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 3

4.2.2 Basic menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 3

4.2.3 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 4

4.3 Direction of rotation and counting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 6

4.4 Recurring operating tasks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 6

4.5 Operator guidance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 7

4.5.1 Procedure for balancing in one plane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 7

4.6 Maintaining the unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 8

5 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 1

5.1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 1

5.1.1 How do you want to measure / balance?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 1

5.1.2 Saving the measurement result . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 1

5.2 Overall vibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 2

5.3 Unbalance vibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 4

5.4 Roller bearing measurement (optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 6

5.5 Balancing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 7

5.5.1 Spread angle method – Sliding weight calibration (2 weights) . . . . . . . . . . . . . .5 - 7

5.5.2 Spread angle method – Sliding weight calibration (3 weights) . . . . . . . . . . . . .5 - 11

6 Creating reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 - 1

6.1 Installing the software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 - 1

6.2 Connecting the device to the PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 - 2

6.3 Opening and operating Hofmann Reporting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 - 2

7 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 - 1

7.1 Battery operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 - 1

7.1.1 Charging batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 - 2

7.1.2 Replacing the batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 - 2

7.2 Mains / charging operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 - 2

7.2.1 Charger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 - 2

7.3 Procedure for eliminating faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 - 3

7.4 Fault messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 - 4

8 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 - 1

8.1 EasyBalancer EB 3500. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 - 1

8.2 Vibration sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 - 2

8.3 Speed sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 - 2

9 Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 - 1

9.1 Signal definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 - 1

9.2 Conversions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 - 2

9.3 Calculating unbalance and centrifugal force . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 - 4

EasyBalancer EB 3500 Table of contents

III

10 Evaluation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 - 1

10.1 Performing vibration measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 - 1

10.2 Overall value measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 - 3

10.3 Assessment of roller bearing condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 - 7

10.4 Interpretation of vibration measurements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 - 9

10.5 Predictive machine maintenance and servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 - 13

10.6 Further literature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-14

11 Replacement parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 - 1

Table of contents EasyBalancer EB 3500

EasyBalancer EB 3500 General information - Manufacturer and designation

1 - 1

1General information

1.1 Manufacturer and designation

The Vibration testing and balancing device was built by:

Hofmann Mess- und Auswuchttechnik GmbH & Co. KG

Werner-von-Siemens Straße 21

D-64319 Pfungstadt, Germany

and its full designation is:

Vibration testing and balancing device

EasyBalancer EB 3500

In this manual, the full name of the company is replaced

with the word “manufacturer”.

1.2 Contact

Telephone:...................... +49 (6157) 949-0

Fax:................................. +49 (6157) 949-100

E-mail:............................. [email protected]

Internet:........................... www.hofmann-global.com

1.2.1 Customer service and replacement parts

Telephone:...................... +49 (6157) 949-181

Fax:................................. +49 (6157) 949-130

e-mail: ............................. kundendienst@hofmann-global.com

General information - Industrial property rights EasyBalancer EB 3500

1 - 2

1.3 Industrial property rights

The Vibration testing and balancing device EasyBalancer EB 3500

is the intellectual property of Hofmann Mess- und Auswuchttechnik

GmbH & Co. KG.

All rights to the Vibration testing and balancing device, the meas-

uring principle, associated drawings etc. are owned by the man-

ufacturer and are subject to the German Copyright and Related

Rights Act of 9 September 1965, as amended.

In accordance with copyright law, competition law and the German

Civil Code (BGB), reproduction is only permissible with prior writ-

ten consent.

The documents may not be passed on to unauthorised third par-

ties for viewing.

Insofar as suppliers’ documentation is concerned, copyright law

applies accordingly.

The regulations stated above also apply to the operation manual.

All rights to drawings, software and other documentation as well

as all rights of exploitation, reproduction and distribution belong

to Hofmann Mess- und Auswuchttechnik GmbH & Co. KG, as

well as in the event of applications for industrial property rights.

EasyBalancer EB 3500 General information - EC declaration of conformity

1 - 3

1.4 EC declaration of conformity

General information - Information about this operating manual EasyBalancer EB 3500

1 - 4

1.5 Information about this operating manual

This operating manual is part of the scope of delivery and con-

tains important information on how to correctly operate the equip-

ment and make full use of its functions.

It contains essential user information on product liability which

is aimed at preventing injury to the operator or damage to

the equipment.

1.5.1 Illustrations and drawings

These are for illustrative purposes and do not always correspond

in detail to the present product in its current version.

1.5.2 Options

Certain described features may be options which are not availa-

ble on every device that is supplied. Options are marked as such

in the text.

1.5.3 Warning symbols

Warning symbols can be found alongside all safety instructions in

this operating manual and refer to particular dangers to people,

property or environment.

Follow the instructions and be particularly careful when these

cases arise. Pass on all safety instructions to other users as well.

Warning symbols used:

Warning of

a hazardous area

Warning of

a risk of

entanglement

Warning of

a laser beam

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