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brown & sharpe Global 9128 User Manual

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USER M A N U A L
Global
This manual includes site preparation information for the
following machines.
Global 9128 Global 122210
Global 9158 Global 121510
Global 9208 Global 123010
62-90103 English
shaping the future of measurement
© 2000 Brown&Sharpe Manufacturing Company

Table of Contents

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brown & sharpe Global 9128 Specifications

General IconGeneral
Brandbrown & sharpe
ModelGlobal 9128
CategoryMeasuring Instruments
LanguageEnglish

Summary

General Information and Safety

About This Manual

Overview of the manual's purpose, scope, and recommended reading.

Additional Information and Feedback

Provides links, contact info for support, and feedback channels.

Controller References

Defines naming conventions for different CMM controllers (GC-1, GC-2).

Machine Safety Guidelines

Crucial safety instructions for operating the CMM, including general, electrical, and pneumatic safety.

System Specifications Overview

Details the technical specifications and dimensional data for Global CMM models.

System Setup Procedures

Operating Tips

Best practices and warnings for operating the CMM safely and efficiently.

Start-Up Checklist

Essential checks to perform before powering on and operating the CMM.

Starting the GC-1 Controller

Step-by-step guide to power up and initialize the GC-1 controller.

Starting the GC-2 Controller

Step-by-step guide to power up and initialize the GC-2 controller.

Mounting Workpieces

Procedures for securely and correctly attaching workpieces to the machine table.

Probe Installation Guide

Instructions for attaching and configuring measurement probes on the CMM.

Electrical System Details

System Power-Up Procedure

Steps for powering up the CMM's electrical systems.

System Schematics Reference

Information on where to find system electrical schematics.

Electrical System Overview

General description of the CMM's electrical setup and controller requirements.

Electrical System Requirements

Specifies input voltage, current, phase, and motor requirements.

Pneumatic System Configuration

Pneumatic System Requirements

Details air pressure, flow rate, and quality specifications for the CMM.

Air Preparation Package Overview

Explanation of the filter/regulator unit and its function in supplying clean air.

The Bridge Component

Description of the bridge structure, its components, and how it moves.

Air Bearings Functionality

How air bearings enable smooth movement of machine components.

Counter-balance Cylinder and Regulator

Function and adjustment of the Z-axis counterbalance system.

Pneumatic System Air Pressure Adjustment

Step-by-step guide to adjust the system air pressure to the correct level.

Counterbalance Cylinder Air Pressure Adjustment

Procedure for adjusting the Z-axis counterbalance pressure for optimal performance.

Major CMM Components

Granite and Pedestals

Description of the base structure and support system for the CMM.

The Bridge Assembly

Details the bridge structure and its movement along the Y-axis.

X-Z Carriage Mechanism

Explains the X-Z carriage and its movement along the X-axis.

Z Ram and Probe Head

Describes the Z-axis ram and the probe head assembly.

Scales and Scanning Heads

Information on how position is measured using scales and scanning heads.

Pneumatic System Air Pressure Adjustment

Step-by-step guide to adjust the system air pressure to the correct level.

Counterbalance Cylinder Air Pressure Adjustment

Procedure for adjusting the Z-axis counterbalance pressure for optimal performance.

System Options and Probes

Temperature Compensation Methods

Overview of Manual, Linear, and A.C.T.I.V. temperature compensation systems.

Probe Types and Selection

Details on different probes (TP20, TP200, TRAX, SP600) and their applications.

Probe Compensation and Qualification

Procedure for calibrating and compensating probes for accurate measurements.

Effective Probe Techniques

Guidance on best practices for using probes to minimize measurement errors.

Touch Trigger Probe Repeatability

Factors affecting probe repeatability and how to achieve optimal results.

Planning Measurement Strategy

Steps for preparing and planning measurement tasks, including clamping.

CMM Controls and Operation

Controller Information (GC-1 & GC-2)

Overview of the two available controller types and their roles.

GC-2 Controller Details

Description of the GC-2 controller's components and front panel controls.

GC-1 Controller Details

Description of the GC-1 controller's components and its assembly.

Starting the GC-1 Controller

Step-by-step instructions for powering up the GC-1 system.

Starting the GC-2 Controller

Step-by-step instructions for powering up the GC-2 controller.

Homing Sequence Procedure

Steps to initialize the machine axes to their home positions.

Jog Box Operation

How to use the jog box for manual machine control and movement.

System Troubleshooting and FAQs

Machine Troubleshooting Guide

Common machine issues (won't turn on, poor repeatability) and their solutions.

Computer and Peripheral Troubleshooting

Solutions for issues with the computer, monitor, and printer.

Frequently Asked Questions

Answers to common user inquiries about the manual and CMM operation.

System Maintenance Procedures

Maintenance Information and Schedule

Guidelines for performing scheduled maintenance and keeping logs.

Maintenance Safety Precautions

Safety rules to follow before and during maintenance tasks.

Scheduled Maintenance Intervals

Recommended frequency (daily, monthly, quarterly) for maintenance checks.

Daily Maintenance Checklist

Specific tasks to perform for daily inspection and upkeep of the CMM.

Introduction to Coordinate Measuring Machines (CMM)

Understanding Coordinate Systems

Explanation of how coordinate systems are used to define movements and locations.

Machine vs. Part Coordinate Systems

Differentiates between the machine's axes and the workpiece's feature-based coordinate system.

Alignment Process Explained

How the CMM software relates part and machine coordinate systems for measurement.

Datums in Measurement

Definition and role of datums as reference points for measurement.

Translation and Rotation in CMM

How the CMM mathematically adjusts origin and orientation for measurements.

Measured vs. Constructed Features

Distinction between directly measured features and those derived mathematically.

Volumetric Compensation Explained

How the CMM corrects for inherent structural errors using algorithms.

Probe Tip Qualification Process

Steps to determine probe tip dimensions for accurate measurement.

Geometric Dimensioning and Tolerancing (GD&T)

Introduction to GD&T symbols and their use in defining part features and tolerances.

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