Machining a 70mm hole in steel

Machining a 70mm hole in steel

This topic has 26 replies, 10 voices, and was last updated 24 December 2019 at 16:44 by petro1head.

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24 December 2019 at 14:47 #443127
Tony Pratt 1
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@tonypratt1
Posted by old mart on 24/12/2019 14:40:28:

That application will be better with a rough surface finish, the grip is better.

Hmm

Tony
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24 December 2019 at 16:44 #443147
petro1head
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@petro1head
Posted by old mart on 24/12/2019 14:40:28:

That application will be better with a rough surface finish, the grip is better.

Actually, no. It needs to slide up and down easily

What I did was relieve some of the bore so only 2 10mm section actually contact the post
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