Vevor Drill Bit Sharpener Trials - Split Point Adjustment
2023年12月10日 · My experience with these on the Tormek is that for similar (nominal) grits, CBN seems to leave a finer finish. Can't say yet on the split point adjustment for different sized bits, but I suspect not. Smallest I've done so far is 1/4" with a refinement of the cutting lips on the Tormek. Did not split point it.
Vevor drill sharpener | The Hobby-Machinist
2019年8月29日 · It ends up taking forever. So I bought this. MRCM Drill bit Sharpener for High-Speed Steel, Masonry, Carbide, Cobalt, & TiN-Coated Drill Bits,with Adjustable Angles from 90° to 135°,Sharpens 3mm-20mm Drill... www.hobby-machinist.com.
Drill bit sharpener | Page 2 | The Hobby-Machinist
2023年3月21日 · VEVOR Drill Bits Sharpener MR-13B Φ3-Φ13 (Φ15) Drill Bits Sharpener and Grinder 6 Collects Drill Grinding Machine Portable Grinding Sharpening Machine CNC Router Bit Sharpener | VEVOR US. VEVOR Drill Bits Sharpener MR-13B offers durable construction, high accuracy, and portable design, perfect for re-sharpening drill bits from 3mm to 15mm.
Drill bit sharpener | The Hobby-Machinist
2023年3月21日 · MRCM Drill bit Sharpener for High-Speed Steel, Masonry, Carbide, Cobalt, & TiN-Coated Drill Bits,with Adjustable Angles from 90° to 135°,Sharpens 3mm-20mm Drill Bits…. (MR-20G) So far 118⁰ bits are stupid easy. The base angles on 135⁰ are stupid easy. Right now I have it set to properly split the point but I'm still working on ...
Vevor Drill Bit Sharpener Trials - Split Point Adjustment
2023年12月10日 · P.S. After posting this, I went looking for the article, by Joseph Mazoff, on drill point geometry I meant to include in my response to Gene T45 about tips for Tormek drill sharpening. I found some very interesting discussion about split points, on the veracity of split points on drills larger than 1/2" and differences in geometry:
Vevor M13A drill bit sharpener, split point questions
2017年7月28日 · The top of the rod was 1.58mm "proud" of the reference plane. I know that the center of the rod represents the tip of the drill bit, so the tip of a drill bit will be (12.7/2) - 1.58mm = 4.77mm below my reference plane. Then I switched things around a bit. I removed the adjuster and set my caliper to 4.77mm so its "tail" extended that far.
Drill bit sharpener | Page 3 | The Hobby-Machinist
2018年12月15日 · I've played with the new drill sharpener quite a bit now. I'm still learning. This machine works fine no matter what helix. It aligns on the lip. It does 118⁰ bits beautifully. It does 135⁰ easily and splits the points nicely. It does not copy the relief of a factory ground split point. They drill very well with perfect curls on both sides.
Redressing Drill bit sharpening grinding wheel?
2020年11月1日 · A diamond disc is about $10 bucks. Your sharpener is a different style, I think using the "side" of the wheel. I don't know what might be involved in getting a diamond wheel to adapt / fit, but one can get wheels in many sizes and arbor hole diameters. You just need a support disc behind. This one is 4".
Craftsman Drill Sharpening Attachment! | The Hobby-Machinist
2018年4月28日 · While grinding on the side of the wheel, his family pulled into the garage in a convertible. The heat treat oven was running, and had a gas leak. All the sudden the wheel exploded, causing the baby to drop its cigarette, instantly igniting the entire family. True story.
Drill Bit Sharpening Jig Plans - The Hobby-Machinist
2012年12月11日 · Drill Bit Sharpening Jig Plans. Thread starter Elmo; Start date Oct 14, 2015; 1; 2; 3 ...