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Making a 25 Hole Plate For a Spin Indexer.

Modification to enable 25, 50 & 100 divisions.

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William Chitham15/07/2020 15:19:10
125 forum posts
52 photos

I expect this is old hat but thought it might be of interest to some. I have a spin indexer capable of 1 degree increments but needed to cut a 50 tooth gear ie 7.2 degree increments. With a DRO newly installed on the mini mill I set out to make a new plate to enable 50 divisions. Rather than drill all 50 holes I decided to drill 25 in the plate and a separate set of index holes in the indexer body and whilst I was about it i thought I might as well make it good for 100 divisions as well. the hardest part was actually drilling the holes accurately, took three goes to get it right. The holes in the body came out a bit over sized as well, hence the new pin so a set of reamers are on the wish list. More photos in an album.

spin indexer 25 hole plate 011.jpg

William.

Edited By William Chitham on 15/07/2020 15:20:42

Harry Wilkes15/07/2020 16:29:01
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1175 forum posts
64 photos

Been watching to much Mr Pete wink

H

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