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Old 04-13-2015, 08:56 PM
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Default The next job

On to the next one; DOM C1020 started out 8x3x16.5. Drawing for this one on the back of a used piece of paper in pencil complete with dirt and grease, but with all the dimensions. Heavy sucker.
Lee still just a tax slave on Andys NYS plantation.
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  #2  
Old 04-14-2015, 03:16 AM
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I dont know much about machining (except what I've learned from reading on here) but is a ratchet strap normally used as a hold down when machining?


Actual question..... The block with all the slots in the shaper. is that fixed or do you rotate it to make use of different slot configurations, if so, is that a crane job or does it rotate on the machine?
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Old 04-14-2015, 12:39 PM
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Quote:
Originally Posted by JohnBoy View Post
...The block with all the slots in the shaper...
Shaper tables don't normally rotate, just move up and down. The slots on the sides make for more flexibility when doing setups. The stand coming off the base on the outboard end can be left loose or used to provide additional support if the workpiece is really heavy or you're really hogging on the material.

I'd be a little leery of a strap in that situation, too. A little too much "give" for my liking. Must have worked though--we haven't seen an "oh shit" post...
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Old 04-14-2015, 12:48 PM
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May have been a damper to deaden the ring of the bell.
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Old 04-15-2015, 08:05 AM
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What is it? They are going to use it for a what?
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Old 04-15-2015, 08:44 AM
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Looks like a center pivot for some piece of equipment. I see a bearing setting next to the piece in the one photo.
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Old 04-15-2015, 01:48 PM
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The strap is probably just to keep the part from wanting to climb out of the vise, as the vise doest go up past halfway of the tube.
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Old 04-15-2015, 09:44 PM
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Quote:
Originally Posted by Ironman View Post
What is it? They are going to use it for a what?
Nice heavy paper weight with a flat on it so it won't roll off the table.
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Old 04-19-2015, 07:35 AM
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Interesting way of making the flat. I wouldn't have tried using a shaper in that manner, though clearly it worked.

So I'll guess that the choice was based upon:

A) Vise doesn't open up enough to turn the piece 90º.
B) Shaper doesn't have enough stroke to cut it the long way.
C) Vise too heavy/PITA to remove and strap piece direct to table.
D) Don't have a big enough milling machine with a face mill cutter.
E) All of the above?

DOM tubing is usually 1026, the gummiest crap ever invented. Chip control can be a huge issue when turning and/or boring. Why is the steady rest there up near the chuck? Did you have to use it when boring the I.D.?
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Old 04-20-2015, 01:17 PM
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Looks like an interesting project and the use of the strap was brilliant..

I have often thought a vise with higher sides would be the bomb but with a groove or maybe a couple of pins so it could be used like a tubing vise..

Nice use of equipement.. When I get the shop up I'll be getting a Mill and a shaper.. Can see where it would come in handy..
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