I am curious if anyone has had any experience what the wear characteristics of using Acetal gear on an anodized aluminum boss. The forces are very light ~4in-oz.
I have a acetal gear with a 10 mm bore and instead of using bearings it would be nice to just machine the boss in the existing...
Are thread depths the same as counter bores in there interpretation?
Is either slot callout correct?
Please view the attached pdf and let me know which are the correct callouts.
I have seen one customers drawings come through with a call out like the following and it drives me nuts:
.138-32 UNC-2B
3X
To me it seems in order to comply with ANSI/ASME Y14.5M-1994 you should call out the above like this:
3X 6-32 UNC-2B
In section 1.9.5 (repetitive features or...