Datum retaining vise stop - video

Datum retaining vise stop. By Engineering hacks & tricks. 0:56 video:

https://www.youtube.com/watch?v=YRbcjwqMcBM


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Double-end feature is useful enough, not convinced about retaining position after swiveling the arm.
Without dowels insuring perpendicularity of mount with vise bed or that of jaw. . . .

I'd leave end of mounting bar full diameter, relieving the inner face somewhat, and longer to protrude from both ends.

Quote:

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Originally Posted by Toolmaker51

Double-end feature is useful enough, not convinced about retaining position after swiveling the arm.
Without dowels insuring perpendicularity of mount with vise bed or that of jaw. . . .

I'd leave end of mounting bar full diameter, relieving the inner face somewhat, and longer to protrude from both ends.

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In hindsight I would also leave the mounting bar at a larger diameter for better location.

If the mounting bar is set parallel with the bed the arm is then parallel with the Z axis & retains the X axis position.
I now use a die spring to hold the arm with no need to tighten it anymore see images.
Attachment 46268Attachment 46267