Clarke MetalWorker CL300M User Manual

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GEAR CHART FOR CUTTING IMPERIAL THREADS
THREADS GEAR INDICATOR TABLE
PER INCH A B CD TPI SCALE
12 40 65 30 12 1,3,5,7
13 40 65 60 30 13 1
14 40 65 35 14 1,5
16 40 65 40 16 1-8
18 40 65 45 18 1,5
19 40 50 60 57 19 1
20 40 65 50 20 1,3,5,7
22 40 65 55 22 1,5
24 40 65 60 24 1-8
26 40 60 65 26 1,5
28 20 65 35 28 1,3,5,7
32 20 65 40 32 1-8
36 20 65 45 36 1,3,5,7
38 20 50 60 57 38 1,5
40 20 65 50 40 1-8
44 20 65 55 44 1,3,5,7
48 20 65 60 48 1-8
52 20 60 65 52 1,3,5,7
Examples
1-8 indicates that any of
the 8 lines may be used.
Refer to Fig A on page24
To cut 12TPI use 40T in position A
30T in position D
Use the 65 tooth gear in position B to connect A and D
Refer to Fig B on page 24
To cut 38TPI use 20T in position A
50T in position B
60T in position C
57T in position D

Clarke MetalWorker CL300M Specifications

General

Brand	Clarke
Model	MetalWorker CL300M
Category	Lathe
Language	English