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Adding an asymmetrical facet on a lathe-cut design?

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Kleka
Sat Oct 24, 2009 10:05 am Adding an asymmetrical facet on a lathe-cut design? Reply with quote

I am a novice making a small steel part with eMachineShop v1.64. The part is a machined pin about 6 inches in length. The 3-D rendering of the part is, so far, exactly what I want. Now I need to add facets for a crescent wrench hold so the part can be turned. The revolving profile of course can't do this. How do I get the design to shave off facets at 0 and 180 degrees for the wrench?

Thanks for any assistance.
Dan.

Tech2
Sat Oct 24, 2009 1:03 pm Reply with quote

I added a section for you at the bottom of:
[-- login to view link --]

Kleka
Sat Oct 24, 2009 10:10 pm Reply with quote

Thanks, Tech2.

After considerable fiddling, the part now renders correctly. This is probably an inelegant solution, but I added two "D" shapes, air inside and -7mm, that oppose each other in the top view circle where the back sides of the D's form the parallel surfaces of the wrench hold at the end of the part. I am ready to try the proper way, if anyone can point me in the right technical direction.

Kind regards,
Dan.

Tech2
Sun Oct 25, 2009 7:24 am Reply with quote

You would need to post your design here for further help.
Kleka
Sun Oct 25, 2009 7:30 pm Reply with quote

The question is whether the technique used to add a wrench hold is proper for machine instructions. The file should be attached.
Thanks, Dan.
A jpg of the rendering is below:

Tech2
Mon Oct 26, 2009 4:25 am Reply with quote

It's better to draw a rectangle in a side view and set Z to a negative value.
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