Revised and newly updated, Making Metal Clockworks is an introduction to horology for the complete beginner. Explaining the terminology and general forms of clock construction, you’ll learn about the necessary tools, materials, and methods and understand everything from and the layout of wheels and escapements to the making of wheels, pinions, pendulums, and so much more. With insightful details of how to make specialized items and advice on the most suitable materials for their construction, this is the perfect introduction to the fascinating world of clockmaking.
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Stan Bray. Making Metal Clockworks for Home Machinists
MAKING METAL CLOCKWORKS
Contents
Introduction
Tools
The Lathe
Terminology
Help and Assistance
Chapter 1—History
Chapter 2—The Frame
The Pillars
Setting Out the Train
Marking Out
Depthing Tool
Chapter 3—Providing the Power
The Barrel
The Ratchet
The Great Wheel
The Click
Click Spring
The Pulley
The Weight
Spring Drive
The Fusee
Fusee Construction
Chapter 4—Pendulums
Suspension
The Rod
The Bob
Round Bobs
The Rating Nut
Chapter 5—Escapements
The Verge and Foliot
Verge and Pendulum
Recoil Escapement
Dead Beat Escapement
Brocot Pin Pallet Escapement
Pin Wheel Escapement
French Pin Wheel Escapement
Making Escape Wheels
Chapter 6—The Going Train and Motion Work
Motion Work
Chapter 7—Dividing
Securing the Dividing Plate
Chapter 8—Wheels and Pinions
Wheel and Pinion Proportions
Wheels
Cutters
Homemade Cutters
Pinions
Chapter 9—Finishing
Pivots
Crossing Out
Pallets
Plates
Pillars
Arbors
Materials
Wheels
Chapter 10—Faces, Hands, and Cases
Hands
Cases
Appendix. Formulas
Pendulums
Chord Tables
Common Clock Trains
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Stan Bray
Chapter 1—History
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Appendix
Watchmakers’ lathes are expensive to buy and are of little use for purposes other than watchmaking; in fact, they are of doubtful value when it comes to making clocks. Generally speaking, the type of lathe found in the average model engineer’s workshop is quite suitable. The most popular of all these are probably the mini-lathes, which have a swing of 7" in diameter. Thousands of good clocks have been made using them and other lathes of a similar size and specification. The miniature-type lathes with center heights of about half that have the advantage of being cheap and, because they are small, obviously less space is required. Most are available with a bolt-on mill/drill attachment that makes them ideal for cutting the teeth on wheels. It is not possible to give advice on the best lathe for a newcomer to purchase—it all depends on a particular preference and one’s budget. In addition, many of the foreign lathes that are sold are only available for a limited period of time before the specification is changed. Anyone wanting to purchase a lathe would do well to visit one of the model-engineering exhibitions held throughout the country, where it will be possible to browse through a large number of machines of different makes and types to find which might be the most suitable.
