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Old 02-05-2019, 08:07 PM
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Question How to make Tubing die's is there a how too

Anyone know how to make tubing dies for bending SS tubing and possibly make them work in a cheap HF benchtop bender, not their pipe bender
I need to bend some 3/4" Stainless tubing for a leaning post on a boat...

And was wondering if anyone has an idea on how to make my own set that will give me a nice clean radius bend... I don't have the funds for a 3 or 4k bender or having to buy the dies separate for an outrageous cost as well so if there is some good DIY plans or ideas I would appreciate it...

That is If My machining skill level will allow it...
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Old 02-05-2019, 09:22 PM
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I bought a bender here. http://www.americanbender.com

It's a hossfeld clone, comes with a set of dies plus a bunch of other tooling. It has paid for itself many times over. Seems to me I paid about 800 for the whole rig.
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Old 02-05-2019, 09:46 PM
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I once used a log splitter with plywood dies to bend a few hundred pieces
of stainless steel. The problem is not so much the material but what is the
centerline radius is that you want. The tighter the bend the tougher it is.
Also you need to over bend by 10°-15° to get the final bend you want.
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Old 02-05-2019, 10:13 PM
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You've got several options depending on how cheap you are....errrr....I mean, how much money you want to spend. JD Squared sells individual die sets in many different sizes--most of the smaller ones are under $200.

https://products.coburnmyers.com/ite...nuts/10f31nt3z

You can make your own if you have a radius cutter. Start with a piece of round stock or burnt plate of the thickness and diameter you want, set it up in the lathe, face it off and then machine a half circle of the appropriate size. Cut it in half, drill and weld brackets as needed and you've got your die. In some ways it's more difficult to machine the follow bar--smaller sizes aren't too bad because you can just use a bull-nose end mill but as the sizes get larger cutting the slot does become more of a problem.

You can actually make the round die without a radius cutter. Starts out the same but when it comes to cutting the round shape you just have to use an accurate template and carve and file till you get it as close as possible. We've done them this way and they work OK. If you're working thin wall tube with a fine finish this way may not be the best way to go because you are going to see some marking.

Too bad you aren't closer. We've got a Baileigh RB-150 bender and a ton of dies--I'd be willing to bend up your pipe for a very nominal fee...

https://www.baileigh.com/tube-bender-rdb-150
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Old 02-05-2019, 11:19 PM
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If you want to make a road trip I can help you out.
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Old 02-06-2019, 11:07 PM
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Quote:
Originally Posted by Camaro Zach View Post
If you want to make a road trip I can help you out.
CZ... Man, I appreciate the offer, but time will not allow me to travel until more towards the end of the month to the middle of next month have a surgery coming up soon supposed to be minor and back up and gong in two weeks after.
anyway PM me what the cost would be to make two bends maybe four at most...
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Old 02-07-2019, 12:53 AM
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Quote:
Originally Posted by LKeithR View Post
You've got several options depending on how cheap you are....errrr....I mean, how much money you want to spend. JD Squared sells individual die sets in many different sizes--most of the smaller ones are under $200.

https://products.coburnmyers.com/ite...nuts/10f31nt3z[/URL]
Coburn/ Myers? That rang a bell. I live only a few miles from that place. I've been there! I used to go there to buy various fasteners for my last "real" job. That was 16 years ago. I didn't think it was the same place but, the address at the bottom of their home page is the same. The front of the place looks ok but, the warehouse is a grubby little hole in the wall and the neighborhood is somewhere you wouldn't want to be after dark.

Dave
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Last edited by Dave Lee; 02-07-2019 at 01:06 AM.
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Old 02-07-2019, 07:47 PM
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Quote:
Originally Posted by LKeithR View Post
YWe've got a Baileigh RB-150 bender and a ton of dies-
https://www.baileigh.com/tube-bender-rdb-150
Before I left my day job with the Gubmint, I bought a Baileigh RB-250 and a full set of pipe and tube dies. All I can say is that was one hell of a machine. Made in USA and not some re-badged POS. I wish I could justify and afford one for myself.
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Old 02-07-2019, 07:56 PM
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Know any electricians with a powered conduit bender? I've conned them into bending all kinda pipe for me over the years.
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  #10  
Old 02-08-2019, 03:28 PM
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I used to work with a guy that made boat tops and interior upholstery.

For 3/4-1” tubing for the top frames, he had a bender that the form and follower were made from plastic. I would say it was about 2” thick to make it stronger. It was bolted to plywood, the handle and follower pivoted on a shoulder bolt. There was a clamp at the start of the bend, used a toggle clamp and a piece of plastic, also with the half round groove cut in it.

Worked very similar to a hossfield type bender.

Google “boat top tubing bender”, there’s a few versions out there.


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