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Old 06-21-2017, 08:44 AM
RockHillWill RockHillWill is offline
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Default I updated my arbor press to use 'Patman's' new offerings.

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Last edited by RockHillWill; 03-27-2019 at 06:11 AM.
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Old 06-21-2017, 10:17 AM
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Steve Hamilton Steve Hamilton is offline
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looks good will.
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Old 06-21-2017, 11:55 AM
crystallographic crystallographic is offline
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Here's some more squishing ideas:
https://www.riogrande.com/Product/Bo...ter-Kit/110509

Bonny Doon has been going awhile .... sometimes it takes awhile to develop a really functional mechanical gizmo....
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Old 06-21-2017, 01:43 PM
cliffrod cliffrod is offline
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Looks great, Will. I was happily surprised to see PatMan's kit set up with your smaller press. We had a great conversation about what an arbor press can do. Pretty deceptive. If you have or find a cheap arbor press, it's a no brainer. The throat depth is the primary factor determining the size of work can be accommodated.

I've been working with this process for a while now and like it a lot. For certain shapes, it's fantastic. It is slower than other powered methods but it is silent, totally self-contained and very kind to sore body parts. It isn't going to do everything, but it will do a lot while not creating or leaving a single tooth mark that needs to be filed or sanded off like the Lancaster-type shrinkers/stretchers. Very cool...

I've also been wondering how feasible it would be to convert one with an electric motor- especially after seeing Will's nicer shrinker and stretcher that he built- to cycle the ram. Pretty sure someone else will get to it before I ever do.....
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Old 06-21-2017, 07:06 PM
John Buchtenkirch John Buchtenkirch is offline
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Quote:
Originally Posted by crystallographic View Post
Here's some more squishing ideas:
https://www.riogrande.com/Product/Bo...ter-Kit/110509

Bonny Doon has been going awhile .... sometimes it takes awhile to develop a really functional mechanical gizmo....
Your very limited by the close distance between the vertical members of that kit. I think you’d have a really hard time making your money back with that, I just can’t see it as being all that useful. ~ John Buchtenkirch
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Old 06-21-2017, 08:04 PM
bobadame bobadame is offline
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Quote:
Originally Posted by John Buchtenkirch View Post
Your very limited by the close distance between the vertical members of that kit. I think you’d have a really hard time making your money back with that, I just can’t see it as being all that useful. ~ John Buchtenkirch
Looks to me like it would be very handy for motorcycle tins.
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Old 06-21-2017, 08:30 PM
RockHillWill RockHillWill is offline
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Old 06-21-2017, 08:51 PM
cliffrod cliffrod is offline
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Originally Posted by bobadame View Post
Looks to me like it would be very handy for motorcycle tins.
use a plain arbor press for the bike fenders, tank parts to weld, etc and save a ton of money over the Bonny Doon. I think there's any number of quality machines available through AMS members/companies here that would be a much, much better investment...

I got into the arbor press stuff specifically to do bike parts. It's really easy to be too aggressive with it. A 2 or 3 ton press will often have a throat of 10"-12" and usually only cost up to $300 or lots cheaper if you look around. It doesn't take much effort to move the metal- the only reason to buy a bigger tonnage press is for the increase in throat depth. A little 1/2 ton press will easily shape alloy or crs panel. That's what I mean by how deceptive this process is.

Before I bought the Bonny Doon, I would get a regular shop press with much greater dimensional capacity (and maybe air over hydraulic and more... $1k-$2k will buy a LOT of used shop press) and make some tooling for it. Some are doing it with a regular shop press instead of an arbor press.

Another one of the lingering projects here- I've been watching for both another cheap arbor press (to cut up) and a shop press frame. i want to be able to replace the hydraulic Jack with an arbor press ram and actuating lever as a better approach than working the Jack. Turning the ram and lever sideways would probably make it even easier to use a foot pedal to run the ram and free up you hands.
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