Re: Metric [1 Attachment]


Guenther Paul
 

Same problem here
 
GP


On Wednesday, April 18, 2018 9:59 AM, "913fred@... [SOUTHBENDLATHE]" wrote:


 
[Attachment(s) from 913fred@... included below]
I think I covered that...
>>Accuracy required is a function of intended use and length of thread engagement.
 
 
On 04/17/2018 11:33 PM, David Beierl dbeierl@... [SOUTHBENDLATHE] wrote:


 I can cut external threads that accept a commercial nut with a calculated thread error of up to 6% for .7 to 3 mm pitch
 
I would think that "will accept the nut" is too loose a criterion, unless the application could be served by a single-turn nut.  That would imply that you are willing to allow deformation of up to one whole thread-pitch under load before each of the few threads in the nut make contact.
 
Yrs,


 


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