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6th August 2013, 06:48 PM #16GOLD MEMBER
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6th August 2013, 09:30 PM #17
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6th August 2013, 09:36 PM #18
I've been looking at the plans for both the Brooks and the Reaymac just now, and one thing strikes me about both of them...they are tiny!
The other is that the Brooks does not facilitate grinding the flutes of end mills, at least not in the plans. It would not be hard to make a separate head for it though.
If i do get castings done, i will probably double the size of the unit, and make the motor/wheel fixed and the table swivel. Just thoughts at the moment. The main reason is to do away with the round guide bars and go to dovetail Y and either dovetail or ball X The Brooks looks to be only good for 1/2 shanks and smaller as per the plans.
Cheers,
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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7th August 2013, 09:09 AM #19GOLD MEMBER
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7th August 2013, 09:14 AM #20.
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I'm interested too Ew.
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7th August 2013, 11:36 AM #21.
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Another Tack - The Bonelle
Found this earlier this morning - Bonelle T&C Grinder
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7th August 2013, 06:08 PM #22
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1st September 2014, 11:38 AM #23
Brooks Stent cutter grinder
Ive been looking for plans for the Brooks cutter grinder too, since reading Gaget builders comprehensive article on building the thing.
He also has jigs for additional uses such as sharpening the helix, slitting saws and drills.
http://www.gadgetbuilder.com/Brooks_Grinder.html
Ueee can you make the plans for the Brooks cutter grinder available to me please?
I am also interested the the updated version that is made with linear bearings that is in Home Shop Machinist, unfortunatly I can't access the issue index so I don't know which issues to buy.
Can someone post the issue numbers I believe it is spread over 3 issues?
Cheers Mark
PS What the hell is gashing?Last edited by Poloris; 1st September 2014 at 11:44 AM. Reason: misspelling
I've become a tool of my tools.
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1st September 2014, 04:52 PM #24Philomath in training
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Couple of possibilities -
- Using a cutter or something to clear most of the material out of a sprocket or gear blank before cutting the tooth.
- The cut made in the end of a milling cutter to give some clearance for sharpening
So as a general definition I'd say it is a cut made to provide clearance for further operations.
Michael
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1st September 2014, 05:17 PM #25SENIOR MEMBER
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Gashing is pretty much what it sounds like, it's a ground "gash" across the web of an end mill to reduce the web thickness and ensure the two cutting edges meet at a point rather than a line like a chisel point on a drill might. It enables the end mill to cut correctly when plunging.
I'm away at the moment, so can't confirm it, but I'm pretty sure if you look at the end of an end cutting 4 flute end mill, you should see the gash that goes diagonally across the cutting edges.
edit: "smashing" on the other hand is what I am about to do to this #%^ing ipad that autocorrects when you don't want it to! as doesn't when you do. Then just throws in completely random words at other times!!!!
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1st September 2014, 06:25 PM #26
Gashing a end mill
Got it I think, a relief cut behind the primary cutting face to allow the cutter to be plunged and add clearance for grinding.
I have found I have PDF copies of MEW 16 & 17 which has plans for the Brooks Stent cutter grinder.
Quality is poor and I may have to employ optical character recognition software in order to read all the measurements but they will suffice.
But I still need to know which copies of Home Shop Machinist have the articles on the cutter grinder so I can order them for myself.
Cheers MarkI've become a tool of my tools.
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1st September 2014, 06:35 PM #27SENIOR MEMBER
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HSM article available if needed
Apologies to everyone, I have been tied up a bit lately and haven't had a lot of screen time, but I do have the HSM version of the article in question here, so if anyone would like it I would be happy to send you a .pdf copy. I have no idea how much it differs from the MEW original, as I do not have that, but as this is a modified version, it may suit you better, just PM me if you would like a copy.
Ahh yes, the old iPad auto-correct feature. I have seen quite a few humourous/ embarrassing quotes supposedly from an altogether too clever iPad. Often of a sexual nature, a very different message than the one intended from the sender was sent, so I would suggest that anyone using Pads or iPhones really read the draft message before hitting the send button. It might save you some serious blushing
Rob.
PS. Mark, the modified Brooks T&C grinder series in HSM began with the March/April edition, Pt 2 was in May/June, Pt3 in July/August and Pt 4 concluded the series in September/October, all in 2013. I have all of the relevant issues. HTH,
Rob.
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