Heavy 10 Taper Attachment Scew

Stronghold · Aug 9, 2017

Picked up a taper attachment right here on the forum for my Heavy 10 which came with everything except the taper attachment screw (the one with the splines). I'm considering making my own, but need the dimensions if anyone has one. If no one has the dimensions, but instead has one to sell, I'll consider that as well. They would need to be for large dials. Thanks.

Dana22Rim · Aug 10, 2017

I believe Brian Miller at Miller Machine and Fabrication can make those.
He made me the cross slide screw for my taper attachment. Its excellent. I had him change the dimensions a bit to accommodate the new thrust bearing's that are thicker than the originals. It's important to set up the backlash in the taper attachment correctly as it is a significant cause of cross feed backlash.

Stronghold · Aug 10, 2017

Dana22Rim said:
I believe Brian Miller at Miller Machine and Fabrication can make those.
He made me the cross slide screw for my taper attachment. Its excellent. I had him change the dimensions a bit to accommodate the new thrust bearing's that are thicker than the originals. It's important to set up the backlash in the taper attachment correctly as it is a significant cause of cross feed backlash.

Thanks, I forgot all about that company. Could you give me more info on the thrust bearings?

Dana22Rim · Aug 11, 2017

The thrust bearings I used and the only one's I could find are Boston Gear 17195 Available at MSC P/N 03548591. They are thicker than the originals at .281 THK. I had Mr. Miller make my lead screw smooth part slightly longer than the original so the bearing race on the end would not fall off the 3/8 portion and would stay centered.
South Bend Form 978A parts list is very helpful. I think you google it.

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Heavy 10 Taper Attachment Scew

Stronghold

Aluminum

Dana22Rim

Plastic

Stronghold

Aluminum

Dana22Rim

Plastic

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