Instron 4400 Series Manual

M10-94400-1

Issue C April 1995

Instron

Model 4400

Universal Testing System

Operator’s Guide

Proprietory Rights Notice

This document and the information that it contains are the property of Instron

Corporation. Rights to duplicate or otherwise copy this document and rights to

disclose the document and the information that it contains to others and the right

to use the information contained therein may be acquired only by written

permission signed by a duly authorized officer of Instron Corporation.

Amendment Incorporation Record

Amendment

Number Brief Description of

Content ECR

Numberr

Person

Incorporating

Amendment

1Reverse Strain Mode Switch

Settings B3887 NCW

Preliminary Pages

iii

Amendment Incorporation Record

Amendment

Number Brief Description of

Content ECR

Numberr

Person

Incorporating

Amendment

Revision Record

Revision ECR No.

Preliminary Pages M10-94400-1

Materials testing systems are potentially hazardous.

Materials testing involves inherent hazards from high

forces, rapid motions and stored energy. You must be

aware of all moving and operating components which

are potentially hazardous, particularly the actuator in a

servohydraulic testing system or the moving crosshead

in an electromechanical testing system.

Whenever you consider that safety is compromised,

press the Emergency Stop button to stop the test and iso-

late the testing system from hydraulic or electrical

power.

Carefully read all relevant manuals and observe all

Warnings and Cautions. The term Warning is used

where a hazard may lead to injury or death. The term

Caution is used where a hazard may lead to damage to

equipmentortolossofdata.

Ensure that the test set-up and the actual test you will

be using on materials, assemblies or structures consti-

tutes no hazard to yourself or others. Make full use of

all mechanical and electronic limits features. These are

supplied for your safety to enable you to prevent move-

ment of the actuator piston or the moving crosshead be-

yond desired regions of operation.

The following pages detail various general warnings

that you must heed at all times while using materials

testing equipment. You will find more specific warn-

ings and cautions in the text whenever a potential haz-

ard exists.

Your best safety precautions are to gain a thorough un-

derstanding of the equipment by reading your instruc-

tion manuals and to always use good judgement.

Preliminary Pages

Warning

Disconnect the electrical power supply be-

fore removing the covers to electrical equip-

ment.

Disconnect the equipment from the electrical power sup-

ply before removing any electrical safety covers or re-

placing fuses. Do not reconnect the power source while

the covers are removed. Refit covers as soon as possible.

Disconnect power supplies before remov-

ing the covers to rotating machinery.

Disconnect the equipment from all power supplies be-

fore removing any cover which gives access to rotating

machinery. Do not reconnect any power supply while

the covers are removed unless you are specifically in-

structed to do so in the manual. If the equipment needs

to be operated to perform maintenance tasks with the

covers removed, ensure that all loose clothing, long hair,

etc. is tied back. Refit covers as soon as possible.

Shut down the hydraulic power supply and

discharge hydraulic pressure before discon-

necting any hydraulic fluid coupling.

Do not disconnect any hydraulic coupling without first

shutting down the hydraulic power supply and discharg-

ing stored pressure to zero. Tie down or otherwise se-

cure all pressurized hoses to prevent movement during

system operation and to prevent the hose from whipping

about in the event of a rupture.

Preliminary Pages M10-94400-1

Warning

Shut off the supply of compressed gas and

discharge residual gas pressure before dis-

connecting any compressed gas coupling

Do not release gas connections without first disconnect-

ing the gas supply and discharging any residual pressure

to zero.

Use protective shields or screens if any pos-

sibility exists of a hazard from the failure of

a specimen, assembly or structure under

test.

Use protective shields whenever a risk of injury to opera-

tors and observers exists from the failure of a test speci-

men, assembly or structure, particularly where explosive

disintegration may occur. Due to the wide range of speci-

men materials, assemblies or structures that may be tested,

any hazard resulting from the failure of a test specimen, as-

sembly or structure is entirely the responsibility of the

owner and the user of the equipment.

Protect electrical cables from damage and

inadvertent disconnection.

The sudden loss of controlling and feedback signals

which can result from a disconnected or damaged cable

causes an open loop condition which may drive the ac-

tuator or crosshead rapidly to its extremes of motion.

Protect all electrical cables, particularly transducer ca-

bles, from damage. Never route cables across the floor

without protection, nor suspend cables overhead under

excessive strain. Use padding to avoid chafing where ca-

bles are routed around corners or through wall openings.

Preliminary Pages

vii

Warning

Wear protective clothing when handling

equipment at extremes of temperature.

Materials testing is often carried out at non-ambient tem-

peratures using ovens, furnaces or cryogenic chambers.

Extreme temperature means an operating temperature ex-

ceeding 60 °C (140 °F) or below 0 °C (32 °F). You must

use protective clothing, such as gloves, when handling

equipment at these temperatures. Display a warning no-

tice concerning low or high temperature operation when-

ever temperature control equipment is in use. You

should note that the hazard from extreme temperature

can extend beyond the immediate area of the test.

Take care when installing or removing a

specimen, assembly or structure.

Installation or removal of a specimen, assembly or struc-

ture involves working inside the hazard area between the

grips or fixtures. Keep clear of the jaws of a grip or fix-

ture at all times. Keep clear of the hazard area between

the grips or fixtures during actuator or crosshead move-

ment. Ensure that all actuator or crosshead movements

necessary for installation or removal are slow and,

where possible, at a low force setting.

Preliminary Pages M10-94400-1

viii

Warning

Do not place a testing system offline from

computer control without first ensuring that

no actuator or crosshead movement will oc-

cur upon transfer to manual control.

The actuator or crosshead will immediately respond to

manual control settings when the system is placed off-

line from computer control. Before transferring to man-

ual control, make sure that the control settings are such

that unexpected actuator or crosshead movement cannot

occur.

Keep clear of the operating envelope of a

robotic device unless the device is de-acti-

vated.

The robot in an automated testing system presents a haz-

ard because its movements are hard to predict. The robot

can go instantly from a waiting state to high speed opera-

tion in several axes of motion. During system operation ,

keep away from the operating envelope of the robot. De-

activate the robot before entering the envelope for any

purpose, such as reloading the specimen magazine.

Preliminary Pages

Table of Contents

Chapter Page

1 Introduction

Outline .........................................................................1-1

Introduction..................................................................1-2

About this Manual...............................................1-3

Product Support..................................................1-3

General Characteristics...............................................1-4

Console Components..................................................1-7

Front Panel..................................................................1-8

Main Panel Section.............................................1-8

Display Panel Section.........................................1-10

Limits Panel Section ...........................................1-10

Crosshead Control Section.................................1-11

Internal Status Indicators....................................1-12

Recorders ...........................................................1-12

Console Internal Functions..........................................1-14

Central Processing Unit (CPU)...........................1-14

Crosshead Control Function ...............................1-14

Load Sensor Conditioner....................................1-14

Strain Sensor Conditioner...................................1-15

IEEE-488 Interface .............................................1-15

2 Specifications

Introduction..................................................................2-2

Specifications...............................................................2-3

3 Installation

Outline .........................................................................3-1

General Considerations...............................................3-2

Preliminary Pages M10-94400-1

Table of contents

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