TRADITIONAL TOOLMAKING PA

by JONES,FRANKLIN D.

• ISBN13: 9781616085537
• ISBN10: 1616085533
• Edition: 00
• Format: Trade Paper
• Copyright: 2012-03-17
• Publisher: FRWHEEL

Summary

Bringing together the collective wisdom of a past generation of craftsmen, Traditional 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.

Author Biography

anklin 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

Precision Locating and Dividing Methods	p. 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 MethodùUse 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
Laps and Lapping	p. 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	p. 54
Straight and Circular Forming Tools	p. 76
Making Straight Forming Tools
Making Forming Tools of Vertical Type
Dimensioning and Laying Out a Forming Tool
Wheels for Grinding Forming Tool
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
Precision Threading	p. 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
Threading Chaser Troubles and Remedies	p. 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
General Toolmaking Operations	p. 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 ReamersùStepped 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 Spirallyfluted Hobs
Making Master Cams
Graduating on the Milling Machine
Diamond Tools
Precision Bench Lathe Practice	p. 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 LatheùBench Lathe Turret Attachment
Thread Chasing Attachment
Thread Milling Attachment
The Use of Bench Lathe for Manufacturing
Truing a Bench Lathe Bed
Gages and Measuring Instruments
Vernier Caliper and Principle of the Vernier Scale
Plain and Thread Micrometers
How to Read a MicrometerùFixed 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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