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Re: pic: TerrorBytes 2015 Shooter Plate (Drawing) [Rev 2]
The drawings look pretty good. There are so few real engineering drawings posted on CD.
I'd move the 2.184 and 8.625 dimensions for bearing pockets so that the dimensions aren't inside the part. Also, you should move the 18.604 dimension all the way to the bottom so it doesn't cross as many other dimensions. I would also modify your sheet format so you don't have all that extra unused stuff in the title block and maybe increase the scale a little bit.
It looks like you have a CIM motor mount on this plate. The R1.260 dimension is duplicated in both views. Also, the .160 diameter holes are too small for #10 bolts if you're mounting a CIM directly to the plate.
If I were doing the drawing, I'd use ordinate dimensions and use one of the bottom corners as a datum for the weirdly shaped pocket. It will make life easier for the guy who has to input all this geometry. You may also want to add in the angles as reference dimensions too.
Your center bearing appears to be missing a dimension - I can't figure out where it goes left to right. There's also tolerance stackup on the y location of the two bearing holes. In the worst case they will be off by .015".
For the bearing holes, I'd talk to whoever is making this part to see if they think they can hold +0/-.0005.
EDIT: How is this being made?
Last edited by Jared : 16-11-2015 at 15:56.
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