Shimming feed screw nuts

lucky7 · Mar 1, 2021

There’s been a few times I’ve run into feedscrew nuts that are shimmed into alignment when machine was new and got to wondering why this isn’t more common. Sure makes rescraping years later easier- no need for turcite etc.

Is it just that I haven’t seen that many machines and it is common?

L7

Richard King · Mar 1, 2021

I recall working on a Big 30" lathe years ago, over 50 years ago...lol helping my Dad. I am pretty sure it was at Electric Machinery in MPLS. It had laminated shims and you could peel the soldered layers of shim off as needed. I can't recall any cross fed screws lately. I have see a ground aprx. 1/8" shim under ball screw nuts. Maybe Standard and Modern did it in Canada?

Rich

TGTool · Mar 1, 2021

Isn't there even a song about that? "Well I may be late but I'd be up to date if I could shim it like my sister Kate"

Richard King · Mar 2, 2021

TGTool said:
Isn't there even a song about that? "Well I may be late but I'd be up to date if I could shim it like my sister Kate"

LOL, what have you been smoking? Have a tune in mind? Like "she's going around the mountain"?

TGTool · Mar 2, 2021

Richard King said:
LOL, what have you been smoking? Have a tune in mind? Like "she's going around the mountain"?

Here ya go - Betty Grable I Wish I Could Shimmy Like My Sister Kate - YouTube At least that's what I thought she was singing. Who knows what she did in her spare time. Maybe you're not as old as I thought or you'd know this stuff.

lucky7 · Mar 2, 2021

Learning things I never expected to learn on a machinist site!

https://youtu.be/cvlDNmv7-VQ

:-)

L7

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