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Results 46 to 52 of 52
Thread: Small Fixture Blocks
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20th June 2013, 01:15 PM #46
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I finally got around to making up a basic fixture plate 240mm x 145mmm x 22mm M6 taped and counter-bored both sides. I went for 9/16" grid spacing as that works well with the 2 1/4" spacing on the compound sine table I have.
I still have a little more to do. I need to add the some taped holes on the side, possibility a clamping slot, chamfer the corners, case harden and heat treat(maybe).
The materiel was welded up from 5 pieces of mild steel. New to welding up plates I did not realised I should have gapped the plates to get the full penetration, I don't think it will hurt it too much..
DSCN3097.jpgDSCN3098.jpgDSCN3099.jpgDSCN3100.jpg
Josh
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20th June 2013, 01:34 PM #47
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Hi Josh,
Looks great.
Just the one question this time.
Did you stress relieve it after welding?
Stuart
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20th June 2013, 01:50 PM #48
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Good work Josh.
Ans here was me thinking this idea had died somewhere along the line....
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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20th June 2013, 01:59 PM #49
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Thanks Stu,
Originally Posted by Stustoys
Hi Josh,
Looks great.
Just the one question this time.
Did you stress relieve it after welding?
Stuart
I toyed with the idea much like steamed sprouts, so in the end no.. It does make me worry a bit about putting it in for the case hardening. I'm treating more like a functional prototype for some more fixturing I'm planing on making.
-Josh
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20th June 2013, 02:16 PM #50
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Thanks Ewan, Originally Posted by Ueee
I like the idea too much to let it go, but I was wondering if I was still able to post in the thread it had seemed that long ago.
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20th June 2013, 02:17 PM #51
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Given the depth of case you are likley to get and the amount of power(?) you'll need to use to get it. I think I'd run it through a cycle first and see what happens. Wouldnt take much movement to have you grinding through the case to get it flat again....
For next time. If you are case hardening are you going to temper at all?(I dont believe you need to??). If not are glass hard threads such a good idea?.
Stuart
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20th June 2013, 08:30 PM #52
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Josh, was drilling those holes a BORING job.
Excellent work, wish I had a surface grinder.
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