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Mitutoyo BM1 Series User Manual

Mitutoyo BM1 Series
42 pages
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No. 99MAK004B4
Date of publication: January 1, 2023 (1)
User's Manual
- Instructions for use -
Read this document thoroughly before operating
the product. After reading, retain it close at hand for
future reference.
This English language version of the document
contains the original instructions.
Gauge Blocks/
CERA Blocks
*99MAK004B4*
1 5
mm
2 2
2
4
m m
1 0
mm
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Mitutoyo BM1 Series Specifications

General IconGeneral
ModelBM1 Series
TypeBench Micrometer
FrameCast iron
Resolution0.001mm
Accuracy±0.002mm, ±0.0001"
Measuring Force5-10 N

Summary

About the Manual

Intended Readers and Manual Purpose

Details the intended audience and the manual's purpose for users.

Document Conventions and Symbols

Safety Hazard Symbols and Notices

Explains symbols and notices for safety warnings and property damage.

Referential Information and Location Conventions

Details conventions for important tips, notes, and references within the document.

General Textual Conventions

Defines usage of round brackets, quotation marks, and numbered lists for clarity.

Safety Precautions and Warnings

Critical Safety Notice: Avoid External Forces

Warns against applying external forces to prevent product breakage.

Product Usage Precautions

Correct Application and Handling Guidelines

Specifies the product's use as a length reference gage and handling precautions.

Recommended Operating Environment

Importance of Thermal Stabilization

Emphasizes the importance of thermal stabilization when using the product.

Product Maintenance and Cleaning

Cleaning Procedures and Rust Prevention

Outlines cleaning steps after use and recommended solvents/oils.

Export Control and Compliance Information

Exporting to European Countries

Provides guidance on exporting products to European countries.

Product Disposal Guidelines

Product Warranty Information

Legal Disclaimer and Liability

1 Overview

Understanding Gauge Blocks

Introduces gauge blocks as length reference gages and their basic properties.

Gauge Block Grades and Accuracy

Explains different grades of gauge blocks based on dimensional accuracy.

Standard Gauge Block Sets

Describes the composition of standard gauge block sets.

2 How to Use Gauge Blocks

Example of Typical Usage (Assembling a Reference Gage)

Demonstrates assembling a reference gage using gauge blocks.

Gauge Block Assembly Precautions

Provides essential precautions for assembling gauge blocks to ensure even wear.

Preparation and Required Tools

Lists required gauge blocks and tools for assembly and wringing.

Assembly: Checking for Burrs with Optical Flat

Details the process of checking for burrs using an optical flat.

Removing Burrs with Ceraston

Explains the method for removing burrs using a Ceraston tool.

Wringing Gauge Blocks

Describes the steps for wringing gauge blocks to form a reference gage.

Disengaging Wringed Gauge Blocks

Provides instructions on how to disengage wrung gauge blocks.

Wringing Procedure Details

Details specific procedures for wringing different types of gauge blocks.

3 Maintenance and Care

Regular Gauge Block Inspection

Covers checking appearance for dirt, scratches, wear, and burrs.

Cleaning and Rust Prevention

Details how to clean gauge blocks and apply anti-rust oil.

4 Periodic Calibration and Inspection

5 Technical Specifications

Gauge Block Specifications

Presents dimensional diagrams and specifications for Rectangular and Square Gauge Blocks.

Dimensional Diagrams and Specs

Shows detailed cross-sections and dimensions for different types of gauge blocks.

Material Properties and Performance

Details the material properties like hardness, thermal expansion, and strength.

5.2 Related Products and Accessories

Gauge Blocks with Thermal Expansion

Describes steel and ceramic gauge blocks with accurate thermal expansion.

Zero CERA Blocks: Low Thermal Expansion

Highlights ceramic gauge blocks with minimal thermal expansion.

Gauge Block Maintenance Kit

Lists accessories for burr removal and wringing.

Appendix

Inspection Report Terminology

Defines terms commonly found in gauge block inspection reports.

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