When I acquired my 15" Clausing-Colchester, I was looking forward to having a taper attachment available for use on demand. Though built in the mid 1980's, the machine had seen essentially no use when I purchased it in early 2001. So it was surprising whe
What I discovered was that the telescoping taper attachment's components had clearances that were stacking up. All the play was not consistently removed when the crossfeed handwheel was turned in opposite directions in small (less than 2 or 3 complete rev
Crossfeed backlash is usually the sum of the crossfeed screw/nut assembly and the screw/thrust bearing clearances. The addition of the taper attachment included the pivot/yoke, angle bar/straddle, and dovetail/casting assembly clearances in the mix. All m
The solution arrived at was to anchor the yoke to the taper attachment casting which is bolted to the carriage saddle. This eliminated all of the clearances between the moving taper attachment parts. To use the taper feature, the three cap screws and bloc