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MEW 276

Drilling machine clamp

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ega10/01/2019 11:52:24
1156 forum posts
95 photos

Thanks to Rod Renshaw for the description (pp26-8) of his implementation of Jim Whetren's idea for an easy-to-use clamp.

Thinking about my own small Astra drill and re-reading Jim Whetren's description led me to a slightly simplified version:

dscn1493.jpg

The vice is free to slide fore and aft and is instantly clamped by the knob under the table:

dscn1494.jpg

In my version the clamping pressure is applied by the large washer and I have adopted Rod's suggestion of knurled top hat nuts.

Neil Wyatt10/01/2019 12:17:08
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15962 forum posts
674 photos
73 articles

Nicely done EGA.

An eagle-eyed reader spotted fig. 2 of the article was a repeat of fig.1.

It's pretty easy to figure out what it should be, but the missing figure will be in the next issue anyway.

Neil

ega10/01/2019 14:31:43
1156 forum posts
95 photos

Neil:

Whilst not claiming eagle eyes I did,of course, notice the slip; it made no difference in my case since I had decided to go with a large washer rather than the pressure bar used by Rod. I also dispensed with his brass washer, using moly grease instead.

Incidentally, the hand knob was salvaged from an old office chair.

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