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10:06 am
March 26, 2010
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Boy do I love flypresses, those thing sure get under my skin.
... except that is when the ram and body fouls the thing being bend. The gates in this link involved some of bending 30mm dia meter bar. Mostly done hot but I had a bit of "tweaking" to do cold. I've got a home brewed Hossfeld but it takes a lot of (non existant) space when used .....and it's is a ball ache continually putting in and out the pins to feed heavy or irregular work into it.
I rigged up this bender for use in the flypress. It's sized so the work clears the body of the press. Sometimes the press arm gets in the way but I've got a single sided arm to use then (at the expense of loss of inertia).
It's a useful tool cos its "quick acess" and will allow you to work quite thick sections to quite tight radiuses. It will also bend both ways (staighten) and you can fit very irregular work in it. Capacity depends on the press. Mines a Norton #6 and the bar being worked is a piece of 25mm square .... worked cold.
12:53 pm
June 1, 2010
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🙂 your ability with such limited space is always an encouragement to me. Love your tooling.
1:02 pm
January 15, 2011
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Cool ring roller attachment. If that is what one would call it. I like it.
1:26 pm
June 16, 2010
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Now that's using your noodle! Very innovative use for a flypress. Cool!
1:51 pm
August 14, 2010
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Thanks, David.
I have been pondering a tool to do exactly that. I always over-think the cantilevered stuff, so it's nice too see someone else's solutions.
4:19 pm
March 22, 2010
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Show off!
Nice tooling there YD, That is a bit that you could manufacture and sell stateside and make some dough... Maybe Grant and you could be partners?
Whatever you are, be a good one.
Abraham Lincoln
5:15 pm
March 18, 2010
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Now that is just too cool! Good going there Mr. Hyde! I assume you use the stop collar for depth and feed in equal increments? Do you make it in one go or do you work round-and-round making the diameter smaller and smaller till it's right? Looks very smooth, I would have thought you might use a larger radius pusher tool. Some rings could be made quickly with a form tool of just the right radius.
“There are painters who transform the sun into a yellow spot,
but then there are others who, with the help of their art and their intelligence,
transform a yellow spot into the sun.” ~ Pablo Picasso ~
6:28 pm
May 15, 2010
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Nice tooling! I'm stuck with an H frame not sure that will work, shucks.
Michael Dillon
http://dillonforge.com/
10:33 pm
NWBA Member
April 19, 2010
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thats a good idea better than what ive used in the past... if ya make any grant ile test one fore ya!
6:02 am
August 31, 2010
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Grant;6484 wrote: Now that is just too cool! Good going there Mr. Hyde! I assume you use the stop collar for depth and feed in equal increments? Do you make it in one go or do you work round-and-round making the diameter smaller and smaller till it's right? Looks very smooth, I would have thought you might use a larger radius pusher tool. Some rings could be made quickly with a form tool of just the right radius.
You could make donuts to put on the pins for a larger radius pusher and support. Also donuts with a V groove would allow bending square stock on the diagonal.
Great looking well built tool. I'm a fan of the flypress too.
2:00 pm
June 24, 2010
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I made a flypress ring bending tool (much lighter and thrown together very quickly) that wasn't cantilevered. Instead, I made the two bottom bars tilted forward at maybe 15 degrees, and tipped the top tool to match. That kept the ring angled out in front of the flypress body. Seemed to work okay, though the action wasn't "pure" in theory. I'd think that could work an an H-frame press as well.
2:26 pm
March 22, 2010
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Mike B;6541 wrote: I made a flypress ring bending tool (much lighter and thrown together very quickly) that wasn't cantilevered. Instead, I made the two bottom bars tilted forward at maybe 15 degrees, and tipped the top tool to match. That kept the ring angled out in front of the flypress body. Seemed to work okay, though the action wasn't "pure" in theory. I'd think that could work an an H-frame press as well.
Interesting approach, not something I would have thought of...
Whatever you are, be a good one.
Abraham Lincoln
2:02 pm
March 26, 2010
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Lewis;6476 wrote: Thanks, David.
I have been pondering a tool to do exactly that. I always over-think the cantilevered stuff, so it's nice too see someone else's solutions.
Lewis
Yeah cantilevers sure are convenient but do need a bit of "engineering" thrown at them. I kinda suspect I might have used "more steel" than needed but what the hell, even given todays record steel prices, it's still cheap compared to running a full time workshop.
Sides are 25mm thick. Outer pins are 1 1/2" ground steel stock (referred to as "silver steel" over here). Centre pin is 40mm EN24T (4340) but I'll up it to 50mm when I get my hands on a piece (too lazy to turn down a larger piece).
The bender is very effective but the trick to it's sucess is keeping the play in the sliding block to a minimum. I milled the block and spacers to the same size then shimmed out the plates away from the spacers with a bit of paper to keep the play down to a few thou'. Holes in the sides and block where made on the mill using a boring head.
Possibly too many man hours went into it for a "project" but I can see it being extremely useful over the next 20 years!
2:06 pm
March 26, 2010
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Grant;6484 wrote: Now that is just too cool! Good going there Mr. Hyde! I assume you use the stop collar for depth and feed in equal increments? Do you make it in one go or do you work round-and-round making the diameter smaller and smaller till it's right? Looks very smooth, I would have thought you might use a larger radius pusher tool. Some rings could be made quickly with a form tool of just the right radius.
David Kunkler;6533 wrote: You could make donuts to put on the pins for a larger radius pusher and support. Also donuts with a V groove would allow bending square stock on the diagonal.
Great looking well built tool. I'm a fan of the flypress too.
Guess I wanted to make sure it is a "go-er" before I made any "slip overs" for the pins but having played with it and liking it I'll make up donuts as needed for future jobs.
Yeah, David I like the idea of V grooves for bending on the diagonal.
1:43 pm
August 30, 2010
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Before buying a section roller I tried a couple of thrown together attempts to bump bar into a radius in my flypress, both in line with the ram which fouled everything. Not enough thought!!!. That is a lovely addition to a press, with the backplates to keep it in line and the idea of donuts or v grooves or tap and die the ends of the pins to fit collars or flanges to hold the stock. Once again I feel inadequate:banghead:
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