BSP Tread on Myford 254

This topic has 3 replies, 3 voices, and was last updated 17 October 2016 at 15:16 by duncan webster 1.

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17 October 2016 at 12:27 #261509
ray jones 1
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@rayjones1
Hi

I need to cut 3/8 BSP external thread on a project.

I need 19 TPI.

Using my imperial Myford 254 my only basic options are

18 TPI or 20 TPI

Any suggestions how to achieve 19 TPI please .

many thanks

Edited By ray jones 1 on 17/10/2016 12:28:14
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17 October 2016 at 12:27 #32804
ray jones 1
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@rayjones1
17 October 2016 at 12:49 #261512
Brian Wood
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@brianwood45127
Hello Ray,

Use a 38 T wheel in the chain to get a multiple you can work with.

Regards
Brian
17 October 2016 at 15:16 #261534
duncan webster 1
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@duncanwebster1
40 on spindle, 80 idler, 38 on gearbox input, set gearbox to C 3.If you pm me with your e-mail I can copy the chart out of the handbook
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BSP Tread on Myford 254

BSP Tread on Myford 254

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