Gallery, Projects and General > Project Logs
An Educated Nut for Warco WM40 (with a Bridgeport type quill)
Spurry:
There has been a little Mission Creep on this small job. New threaded rod was made at 13mm diameter with 1mm pitch.
1. The three parts shown above assisted with work-holding to finish both ends of the rod appropriately.
2. Component parts before assembly. The spring caused the most problems. As there was only a 6mm pocket in which to put it, it was gradually shortened until the button would clear the thread. As the security of the whole set-up depends on a small amount of thread on half of a 16mm button, I tried for the most pressure that could be obtained.
3. Complete assembly
4. The project so far.
The new stop that causes the auto quill feed to operate will require replacing, as the professional that fitted the DRO broke a tap in my original one. :doh: When that has been fitted, the bits and bobs for the auto quill system can hopefully be adjusted.
Pete
awemawson:
Looking excellent Pete - very nicely made :thumbup:
PekkaNF:
Excelent work. Looks pretty.
--- Quote from: Spurry on March 22, 2017, 06:19:38 AM ---....
The new stop that causes the auto quill feed to operate will require replacing, as the professional that fitted the DRO broke a tap in my original one. :doh: When that has been fitted, the bits and bobs for the auto quill system can hopefully be adjusted.
Pete
--- End quote ---
Maybe he should have gone to specsavers before giving it a "damn good thrashing"
Pekka
Spurry:
Thanks for comments, Andrew & Pekka.
It would not have happened without Andrews inspiration and help. :thumbup: I still have some machining to do on the new DRO head mounting. That will be fitted to the new stop, after the threaded rod has been removed to enable the stop to be bolted to the quill itself.
Not quite sure how problematic adjustment of the auto stop mechanism is likely to be.
Pete
Spurry:
The biggest headache was drilling the cross-hole in the top of the threaded rod, but will not bore you with the story. :scratch:
The extrusion for the scale has been replaced, now machined at both ends. New bracket for read-head fitted, with the new stop. I obtained a small unit from Machine DRO to link the two Z feeds together, and that works brilliantly, once the + and - directions had been sorted out.
The educated nut is reachable around the mounted scale and is easy to adjust.
The graduation markings on the nut were unnecessary as the DRO gives a more reliable reading of movement, but only to the odd micron. :D
Pete
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