303 Stainless 33070796

 

33070796-1

33070796-1

Drill and ream 0.1878” Drill 0.052”

4-40 tapped holes 2 pl


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33070796-2


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33070796-2

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Tool path created for a single part.

Tool path was then multiplied x8 to machine

8 parts in the vise using the make multiple

macro in Geopath.

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8 Parts machined per cycle.

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After each cycle the bar was slid down and re-clamped

And run again

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 Fixture to allow part to be indexed for drilling and tapping


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3d Model of parts on fixture for drilling and tapping the 4-40 hole and the 0.052” drilled hole


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 Fixture is used with parts in this orientation in the vise for the first drilling and tapping operation.


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33070796_drill_tap_fixt3

33070796_drill_tap_fixt3

3d Model of parts on fixture for drilling and tapping the second 4-40 hole.


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33070796_drill_tap_fixt4

 Fixture is used with parts in this orientation in the vise for the second drilling and tapping operation.


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 Actual machined fixture

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 Actual machined fixture

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Close-up of Actual machined fixture

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 Close-up of Actual machined fixture

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Parts in each orientation on fixture blocks. I used a 5/8 Snapjaws step jaw with a 1/32 lexan strip between the moveable jaw and the parts to ensure a good grip across all parts

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Relatively small part. All edges accessible were chamfered during machining

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