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Started by RickKrung, October 03, 2018, 12:13:49 AM
Quote from: RichColvin on October 03, 2018, 12:43:58 AMRick,This is brilliant! Putting this on SharpeningHandbook.info soon.Kind regards,Rich
Quote from: courierdog on October 08, 2020, 11:47:22 PMAfter talking to Rick via email. The use of some means such as a pin vice to simulate a larger drill bit for the DBS-22 drill bit clamp. I have ordered a set of pin vices via Amazon and will continue on with Rick's idea. Rick has a great idea that just must be pursued. I even contacted Mats at Tormek Support and he also agrees there is a need for a simple means to sharpen sub 3mm drill bits
Quote from: RickKrung on October 09, 2020, 02:48:53 PMI am confident the Starrett pin vises can be set/clamped in the DBS clamp so that the tip of the drill bit can extend only a slight amount beyond the tip of the pin vise. That should be easy enough to do when securing the drill bit in the first and then securing the pin vise in the DBS clamp. It is the hexagonal handles on the pin vise that present the problem, however. Given that the pin vise handles are hexagonal, they will clamp in the DBS in only one of three to six ways, when it comes to orientation of the drill bit flutes in relation to the grinding wheel. Loosening the drill in the pin vise AFTER the pin vise is clamped in the DBS and adjusting its rotation so as to align the flutes with the marks on the DBS is where I see the problem. I think that will be a clumsy/kludgy maneuver. What will happen is that when you get the flutes aligned and then attempt to tighten the nut on the vise, the drill bit may tend to rotate. So, it will be very important to check the alignment AFTER you've tightened the drill bit. If not quite right, do it again. The problem will come as a result of the split collet that actually clamps the drill bit spinning with the nut as the nut is tightened. I think it would be much easier if the handles of the pin vises were totally round, not hex. That way, the drill bit can be clamped in the pin vise without regard to alignment and then the vise would be rotated within the DBS for a much easier alignment of the drill bit flutes. Thus, I plan on turning down the hex handles to round on my lathe. But, as I've said, all of this is low priority for now. Rick
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