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Bender Project

BadDog said:
Sounds kinda like one of the guys I met locally. He gets all the end mills (among other things) from local CNC shops that have been sharpened out of tollerance for CNC use. Solid carbide cutters, HSS, Cobalt, all sorts of things for pennies on the dollar, and most are freshly sharpened (except for roughers which often have a chip or two).


yep, when its a big endmill we need we get surplus. we have an endmill sharpener here so if it need sharpening I can touch it up here too.
 
No point in only making the followers, since they come with the dies.

Only 2 votes in on arm thickness, both for 5/8"

Dimple dies would be a good project on a lathe.
 
I still have the 1000 pounds of grd 8s I bought from them.. and I hauled them all the way up to Redding... I bought them for cents a pound... now its dollars a pound
 
I hate to piss in anyone's wheaties, but has anyone seen this post?

http://www.pirate4x4.com/forum/showthread.php?t=450426

Looks like a 240 degree die and frame with hardware (shipped) are about $100 cheaper than any quote I've gotten so far. (cheapest one has been on a pro-tools 105hd for $600 shipped)There's currently no degree ring available but it sounds like he might be up for making some. Make your own handle and stand and you're in the game for well under $600. Gauder, get back from the grocery store, I've got math to do.
 
Do we think the ratcheting mechanism needs to be made out of 5/8" also?
 
gauder said:
Do we think the ratcheting mechanism needs to be made out of 5/8" also?

I would if your gonna do it heavy duty.
 
The ratchet doesn't usually show damage from heavy stuff. It's the pin holes for the dies and the hinge area, as well as the die itself (Scott broke the tang off a die bending heavy wall!), that shows the damage. The ratchet has leverage in it's favor, so it sees MUCH less stress than the area near the pivot. All that said, frequently bending heavy stuff may start chewing away at the ratchet wear wise rather than distortion. I guess it comes down to, your making the rest out of 5/8, so why not use the same material for the ratchet anyway. <shrug>
 
Might as well use the same thickness all the way through.

Gauder, did you ever get my crappy rendering of a hydro bracket?
 
Yeah yeah, I know it looks like hell, it was late and I was studying. Basically it's just a saddle that an air over hydro ram with a flat foot could sit in and bolt to. Hook up an air hose, push a button, presto chango no more fuss.

These are two rams I found relatively easily, the second would probably be easier but it's on backorder and more expensive.

http://www.uneedtools.com/airhydraul...ck-p-1762.html


http://centralonlinesales.com/show_Product.asp?ID=1545

How thick you you think the plate would have to be to withstand that kind of pressure. Also, 3 piece welded contruction or one flat cutout bent in a press brake?

IMG.jpg
 
the model 4 arrived yesterday and is here in my shop... I have sent you a PM ryan

note...
it is big,, it is beefy... the 2 1/2 inch die weighs like 50 pounds... uses 1" and 3/4 " bolts and pins....

and lots of warnings how you can break things
 
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