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South Bend 13 lathe - 19tpi
Does any wise person know which non-standard stud gear can be used on single tumbler, South Bend 13" lathe, to cut 19tpi on a model from around 1940? Unfortunately the banjo does not allow for any change gears... Currently got a second lathe clogging up my workshop just to cut 19tpi as it's a...- Brannigan
- Thread
- Replies: 1
- Forum: South Bend Lathes
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South Bend 13 lathe - 19tpi
Does any wise person know which non-standard stud gear can be used on single tumbler, South Bend 13" lathe, from around 1940? Unfortunately the banjo does not allow for any change gears... Currently got a second lathe clogging up my workshop just to cut 19tpi as it's a common English thread...- Brannigan
- Thread
- Replies: 6
- Forum: South Bend Lathes
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Basic Gear Hobbing Query
I've been running an old Barber Colman #3 to cut splines into brass shafts, using a 48DP serration hob to cut 18 teeth. All working perfect. Now, I have a job to cut 36 teeth into the same diameter shaft. Might this be as simple as adjusting the change gear to cut 36 teeth, with the same hob... -
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Cutting metric splines on imperial hobbing machine
Hello! Does anyone know if it is possible to use a metric hob on an imperial hobbing machine? I'm planning to buy a machine in the UK next week though all the vintage (and affordable) models available are imperial. It will only be used to cut 47 tooth splines with a 3mm pitch hob. Is it a... -
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How to mark centre of recessed oval
Can anyone advise on the best way to mark the centre of a recessed oval? The material is aluminium and the longest side is around 1/2" and 1/4" between the two nearest edges. The oval is recessed by 1/4" I've been repairing a piece of precision equipment and need to drill a hole through the...