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Tailstock for a Vortex dividing head ?? |
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ksor:
I plan to make a tailstock for my Vortex dividing head. :smart: I had done the attached sketch with a MK2 moveable up/Down and fastened with a 10mm bolt BUT ... How can I make the up/Down movement ADJUSTABLE with a screw ? :scratch: :scratch: :scratch: Any ideas ? |
RussellT:
If you want to do away with the clamping bolt then that seems tricky and would involve precision fit slides. If it's just for ease of adjustment, how about a screw or pair of screws through the top of your slot(s) and tapped into your bolt. You'd probably need some way to prevent the rotation of the bolt (eg flat sides running in the slots) and enough play to allow the bolt to be tightened. Russell |
ksor:
--- Quote from: RussellT on September 25, 2013, 03:35:46 PM ---If you want to do away with the clamping bolt then that seems tricky and would involve precision fit slides. If it's just for ease of adjustment, how about a screw or pair of screws through the top of your slot(s) and tapped into your bolt. You'd probably need some way to prevent the rotation of the bolt (eg flat sides running in the slots) and enough play to allow the bolt to be tightened. Russell --- End quote --- I THINK I can get the "up/Down-parts" (the block with the MORSE taper in it) to slide accurately enough with that milling faces I plan in the block itself and the sides it fits into - don't you think ? The bolt has a nut on the hidden side ... and I beleave the bolt needs to be free and even removeable. My first thoughts was a threaded rod (bolt) in two diagonal corners of the MORSE-taper block pushing against the bottum plate . I think I will HAVE TO adjust them BOTH to prevent the 'block' to get stocked between the "ways" - it doesn't look too clever, I think :loco: :loco: - would only one bolt do, you think ? |
BillTodd:
Can your dividing head tilt up &down? If so you may want to allow the tailstock centre holder to do the same. My Victoria one has two pinch bolts one in a arc shaped slot to allow tilting. See: http://www.lathes.co.uk/victoria/index.html |
ksor:
--- Quote from: BillTodd on September 28, 2013, 03:56:53 AM ---Can your dividing head tilt up &down? If so you may want to allow the tailstock centre holder to do the same. My Victoria one has two pinch bolts one in a arc shaped slot to allow tilting. See: http://www.lathes.co.uk/victoria/index.html --- End quote --- Oh, yeah that I should allow too :doh: ! As I see the pictures in the link it LOOKS LIKE it can NOT be moved up/Down ... only tilted ... I think I had to be able to move it up/down TOO :smart: :smart: ... I'll have to re-design a little for both TILTING and MOVING (up/down) to be included - but thx for the idea ! :beer: btw ... this Victoria rig of yours looks NEARLY as copy of mine VPF-1 (from Vilh. Pedersen) - look here (teh 5. Picture): http://kelds.weebly.com/mine-maskiner.html |
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