Old-Fashioned Toolmaking: The Classic Treatise on Lapping, Threading, Precision Measurements, and General Toolmaking

Old-Fashioned Toolmaking: The Classic Treatise on Lapping, Threading, Precision Measurements, and General Toolmaking

by Franklin D. Jones

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Overview

Bringing together the collective wisdom of a past generation of craftsmen, Old Fashioned Toolmaking provides an in-depth record of the skills and techniques that made the mass production revolution of the twentieth century possible. When first published in 1915, this book was an answer to a vast array of tool-room problems and explained many essential toolmaking operations. It includes timeless practices as well as some personally tailored methods by master toolmakers, including how to:
make straight forming tools
grind curved surfaces
gauge the angle of a thread
re-flute worn cutters
and much more!
With detailed descriptions of every procedure, essential mathematical rules and calculations for use in the workshop, and a number of illustrative figures, this book stands as an invaluable reference for those with an interest in practicing hands-on toolmaking processes.

Product Details

ISBN-13: 9781510702868
Publisher: Skyhorse
Publication date: 05/03/2016
Pages: 320
Sales rank: 1,248,300
Product dimensions: 6.00(w) x 8.90(h) x 1.00(d)

About the Author

Franklin D. Jones was a prolific writer of manuals on toolmaking, machinery, and mechanical engineering from the beginning of the twentieth century until his death in 1967.

Table of Contents

Chapter I Precision Locating And Dividing Methods 1

Button Method of Accurately Locating Work

The Disk Method

The Disk-and-button Method

Accurate Angular Measurements with Disks

Square Method of Determining Angles

Locating Work by Means of Size Blocks

The Master Plate Method

Use of Disks for Locating Equally-spaced Holes

Methods of Accurately Dividing a Circle

Originating a Precision Dividing Wheel

Generating a Large Index Plate

Various Methods of Accurately Locating Work for Boring on Milling Machines

Chapter II Laps and Lapping 54

Materials for Laps

Laps for Internal and External Work

Lapping Plug and Ring Gages

Lapping Conical Holes

Laps for Flat Surfaces

Method of Using a Flat Lap when Lapping Flat Surfaces

Charging Laps

Lapping Gage Jaws

Rotary Diamond Lap

Grading Diamond Dust

Making and Lapping Master Gages

Rotary Flat Lap

Chapter III Straight and Circular Forming Tools 76

Making Straight Forming Tools

Making Forming Tools of Vertical Type

Dimensioning and Laying Out a Forming Tool

Wheels for Grinding Forming Tools

Method of Grinding a Hardened Forming Tool

Grinding Angular Surfaces on Forming Tools

Gaging an Angular Forming Tool

Points on Grinding Vertical Surfaces

Joining a Vertical Side and a Beveled Surface

Grinding Curved Surfaces

Wheels to use for Grinding Curved Surfaces

Vertical Forming Tool Calculations

Circular Forming Tool Calculations

Making Concave Forming Tools in Milling Machines

Making Forming Tools for Gear Cutters

Chapter IV Precision Threading 109

Making Accurate Thread Tools

Measuring Flat on Acme and U. S. Standard Thread Tools

Making Precision Thread Gages

Thread Gage Laps

Grinding the Thread of a Precision Tap

Gaging the Angle of a Thread

Testing the Lead of a Thread

Measuring Screw Thread Diameters

Chapter V Threading Chaser Troubles and Remedies 133

Threading Die Chasers for Cutting Close to a Shoulder

Angle of Top Rake for Threading Die Chasers

Position of Chaser in Die-head

Grinding Threading Die Chasers

Making Accurate Thread Chasers

Chapter VI General Toolmaking Operations 151

Originating a Straightedge

Originating a Surface Plate

Making Surface Plates by Lapping

Making Accurate Arbors

Seasoning Hardened Steel and Cast Iron

Cutting Teeth in End and Side Mills

Fluting Angular Cutters

Wheels for Sharpening Milling Cutters

Rotation of Wheel Relative to Cutter

Location of Tooth-rest for Cutter Grinding

Sharpening Angular Cutters

Clearance Angles for Cutter Teeth

Sharpening Formed Cutters

Sharpening End Mills

Sharpening the Side Teeth of Cutters

Re-fluting Worn Cutters by Grinding

Making Formed Cutters

Relieving the Formed Teeth of Cutters

Laying Out the Relieving Cam

Machining the Relieving Cam

Points on Making Reamers

The Form and Angle of Reamer Flutes

Position of Cutter for Fluting

Irregular Spacing of Reamer Cutting Edges

Indexing for Irregular Spacing of Reamer Teeth

Grinding Reamer Teeth

Lead or Taper at End of Straight Reamers

Helical Cutting Edges for Reamers

Taper Reamers

Stepped Roughing Reamers

Center Reamers

Rose Chucking Reamers

Cutters for Fluting Rose Chucking Reamers

Hand Taps

Proportions of Hand Taps

Steel for Taps

Points on Tap Threading

Fluting Hand Taps

Relief of Tap Threads

Taper Taps

Hob Taps

Milling Plate Cams

Hobs for Worm-gears

Relieving Teeth of Spirally-fluted Hobs

Making Master Cams

Graduating on the Milling Machine

Diamond Tools

Chapter VII Precision Bench Lathe Practice 226

Precision Jig Work in the Bench Lathe

Accurate Gage Work in the Bench Lathe

Boring Master Plates in the Bench Lathe

Milling, Filing, and Grinding Attachments

Setting Slide-rest for Cylindrical Turning

Internal Grinding in Bench Lathe

Bench Lathe Turret Attachment

Thread Chasing Attachment

Thread Milling Attachment

The Use of Bench Lathe for Manufacturing

Truing a Bench Lathe Bed

Chapter VIII Gages and Measuring Instruments 261

Vernier Caliper and Principle of the Vernier Scale

Plain and Thread Micrometers

How to Read a Micrometer

Fixed and Limit Gages

Plug and Ring Gages

Gage for Accurately Measuring Tapers

Reference Gages

Adhesion of Johansson Gages

A Protractor and Protractor Vernier

Sine-bar for Measuring Angles

Methods of Testing the Accuracy of Precision Squares

Straightedges

Height and Depth Gages

Center and Test Indicators

Special Indicating Gages

Sectional Gages

Pratt & Whitney Precision Measuring Machine

Standard Unit of Length

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