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Thread: Bench Grinders
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15th July 2014, 08:45 PM #16
Cubic Boron Nitride, second only in hardness to Diamond apparently. No wheel dressing ever required, quick as lightning, cool grinding, will do Tungsten Carbide, last for ages (if not forever, depending on the amount of use of course). Not cheap, but cheaper in the long run for high volume users, and much less hassle. I'll find a link to another thread in a minute, and edit this post.
EDIT: Here you go. The poll results speak for themselves, particularly the answer to "Quicker, cooler, cheaper, better".
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16th July 2014, 08:18 AM #17Senior Member
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17th July 2014, 01:49 PM #18
I use the coarsest wheel i can find. 36 i think. A course wheel will cut faster and cooler than a fine one. On good HSS you will still get a good finish, certainly good enough if you are going to hone your bits.
For drills i prefer a 60, but i have enough grinders to have every stone and wheel i want on one of them. 36 and SiC on one, wire and a grey wheel on one, multitool and polishing spindle on one and then a 60 and a grey wheel on the big 3 phase one. I only bought 2 of them and they seem to have bred.....
Ew1915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.
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