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Lathe Dog: Cut from Iron Pipe with Setscrews (Boy Mechanic, 1915)
A cheap lathe dog for turning work between centres: a short piece of iron pipe clamped on the work by setscrews, with a 1 in tongue left standing that the faceplate drives.
Source: The Boy Mechanic, Book 2 (1915), p. 319. Picture: the book's sketch of both forms.
Beginner
Unknown
Instructions
1
1
Cut the pipe
Cut the pipe
Cut a section of iron pipe 1 1/2 to 3 in long, big enough to slip over the work. Cut part of it away, leaving a projecting tongue of metal 1 in wide for the faceplate to drive (sketch, left).
Materials for this step:
Steel Pipe (thick-walled, threaded ends)1 1 1/2 to 3 inTools needed:
Hacksaw Frame with Blades
Metal File2
2
Fit the setscrews
Fit the setscrews
Drill and tap the round part for one or more setscrews and screw them in; they grip the work.
Materials for this step:
Cup Point Set Screw1 one or moreTools needed:
Hand Drill
Tap and Die SetMaterials
2- 1 1 1/2 to 3 inPlaceholder
- 1 one or morePlaceholder
Tools Required
4- Placeholder
- Placeholder
- Placeholder
- Placeholder
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