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Hofmann EasyBalancer EB 3500 User Manual

Hofmann EasyBalancer EB 3500
88 pages
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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

Table of Contents

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Hofmann EasyBalancer EB 3500 Specifications

General IconGeneral
TypeWheel Balancer
Weight120 kg
Wheel Weight (max)70 kg
Accuracy± 1 g
Max Wheel Width508 mm
Power Supply230V / 50-60Hz
Measuring range1 g
Rim Width1.5 - 12 inches
Rim Diameter10 - 24 inches

Summary

Operating Instructions

General information

1.1 Manufacturer and designation

Identifies the manufacturer and the device's full designation.

1.2 Contact Information

Provides contact details for the manufacturer, support, and spare parts.

1.3 Industrial property rights

Details intellectual property rights for device and manual.

1.4 EC declaration of conformity

States product compliance with EU directives and standards.

1.5 Operating manual information

Covers manual content, symbols, keywords, and options.

1.6 Disposal

Instructions for responsible device and battery disposal.

Safety information

2.1 Operating the device on machines

Discusses potential hazards and safe operation on machines.

2.1.1 Requirements for personnel

Outlines personnel qualifications and authorization for device operation.

2.2 Appropriate use

Defines intended purpose, permitted, and inadmissible device usage.

2.3 Duties of the operating company

Outlines responsibilities of the company operating the device.

2.4 Duties of the operator

Details operator responsibilities regarding the manual and safety.

2.5 Warranty and liability

Covers warranty, liability, replacement parts, and cleaning guidelines.

Vibration testing and balancing device

3.1 Scope of delivery

Lists items in the delivery package.

3.2 Storage and preservation

Guidelines for device storage.

3.3 Purpose

Device design and intended industrial applications.

3.4 Features and benefits

Key features and advantages of the device.

3.5 Connections

Details device input and output connections.

3.6 Measurement setup, example

Illustrates a typical measurement setup.

3.7 Setup instructions

Instructions for setting up the device and components.

3.7.1 Vibration sensors

Describes the HMA 11xx/18xx piezo vibration sensor and its specifications.

3.7.2 Speed sensor

Explains the function and operation of the photo-reflexive speed sensor.

3.7.3 Laser speed sensor (optional)

Details the optional laser speed sensor and its usage.

3.7.7 Balancing methods

Introduces the spread angle balancing method.

3.7.8 Calibration

Details the calibration procedure using identical weights.

Basic operation

4.1 Controls Overview

Introduces the device's controls, including touchscreen and keys.

4.2 Basic operation and navigation

Outlines fundamental steps, basic menu, and settings.

4.3 Direction of rotation and counting

Explains how to set the direction of rotation and counting for measurements.

4.4 Recurring operating tasks

Covers common tasks like switching the device on/off and starting/ending measurements.

4.5 Operator guidance for balancing

Provides a step-by-step guide for balancing procedures.

4.6 Maintaining the unit

Offers instructions for cleaning and maintaining the device.

Operation

5.1 General information on operation

Introduces general operational flow for measurement and balancing tasks.

5.2 Overall vibration measurement

Explains how to perform and interpret overall vibration measurements.

5.3 Unbalance vibration measurement

Describes how to measure and interpret unbalance vibration.

5.4 Roller bearing measurement (optional)

Explains how to perform optional roller bearing condition measurements.

5.5 Balancing

Introduces balancing procedures and methods.

5.5.1 Spread angle method – Sliding weight calibration (2 weights)

Details the procedure for balancing with two weights.

5.5.2 Spread angle method – Sliding weight calibration (3 weights)

Details the procedure for balancing with three weights.

Creating reports

6.1 Installing the software

Guides on installing the Hofmann Reporting software from the USB stick.

6.2 Connecting the device to the PC

Explains how to connect the EasyBalancer EB 3500 to a computer via USB.

6.3 Opening and operating Hofmann Reporting

Details how to launch and use the Hofmann Reporting software.

Maintenance

7.1 Battery operation

Covers battery charging, status indicators, and replacement.

7.2 Mains / charging operation

Discusses using the device with mains power and its charging operation.

7.3 Procedure for eliminating faults

Outlines a flowchart for diagnosing and resolving device faults.

7.4 Fault messages

Lists common fault messages, their causes, and recommended remedies.

Technical data

8.1 EasyBalancer EB 3500

Provides detailed technical specifications for the EasyBalancer EB 3500 unit.

8.2 Vibration sensors

Lists the specifications for the HMA 1140 / HMA 1135 vibration sensors.

8.3 Speed sensors

Details the specifications for the photo-reflexive and laser speed sensors.

Glossary

9.1 Signal definitions

Explains key signal definitions and their relationships for sinusoidal signals.

9.2 Conversions

Provides conversion factors for frequency, acceleration, velocity, and distance units.

9.3 Calculating unbalance and centrifugal force

Shows examples of how to calculate unbalance and centrifugal force.

Evaluation

10.1 Performing vibration measurements

Guides on selecting measurement locations and directions for vibration analysis.

10.2 Overall value measurement

Explains the suitability and standards for overall value vibration measurement.

10.3 Assessment of roller bearing condition

Describes how to assess roller bearing condition using trend monitoring.

10.4 Interpretation of vibration measurements

Provides guidance on interpreting vibration data based on possible causes.

10.5 Predictive machine maintenance and servicing

Discusses the benefits of regular vibration measurements for predictive maintenance.

10.6 Further literature

Lists recommended literature for further reading on vibration analysis and balancing.

Replacement parts

Related product manuals