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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#41
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Making a tool holder, have a metal 'type' question
On 2015-05-10, Bob Gentry wrote:
On 8 May 2015 01:02:07 GMT, "DoN. Nichols" wrote: [ ... ] and I have a set of 3/8" shank tools that I use in the 11" Logan. Are these with the insert held in place by a single center screws, flathead or very slightly oval, and a hex (Allen) socket? Yes. Triangle. [ ... ] However -- if the insert tooling is like what I described, the shanks are mild steel anyway, so as long as your holder has greater cross section overall than the 3/8" shanks, you can probably do with mild steel. (Just look for things bending or loosening in operation.) [ ... ] No. The shank sorta looks like a large heavy handled 'spoon'. (the spoon part is flat both sides) In the 'spoon' end is mounting bolt and two tool clamps. The lower clamp can be indexed in 4 'V' groves ( think 8 point star). The lower clamp has a 45deg. angle on one edge. (think 9oclock for the tool bit, mounting bolt in the center and the angle at 3oclock). The upper clamp has a matching taper and an oblong hole which allows it to slide to adjust to the tool bit. O.K. With the clamps, this is a much higher grade than what I was thinking you had. So if this does not like the interrupted cut of the shaper, the cheap ones which I was thinking of would fail even quicker. :-) Glad that you got things going. Enjoy, DoN. -- Remove oil spill source from e-mail Email: | (KV4PH) Voice (all times): (703) 938-4564 (too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html --- Black Holes are where God is dividing by zero --- |
#42
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Summer vile Steel use to sell tool steel remnants at $1 / lb and Alloy steel remnants at $.25 a lb. Do not know what their current policy is. If they still sell remnants, I would use 4340 or stress proof. No good reason other than they machine fairly well and are slightly rust proof.cheap metal buildings
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