 OT: Tubing Bender, Build Your own, First class from 2nd hand parts.... |
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| Brian Mifsud |
 Apr 6 2006, 10:30 PM
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#1
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Mechanical Engineer  Group: Members Posts: 981 Joined: 3-March 03 From: Penngrove, CA Member No.: 384 Region Association: None  |
Doesn't look like much, but this "Homebuilt" job is equivalent to some $4000 machines out there. Will bend up to 1 1/2-2" tubing. Here is the site... search for "Roller" and you'll find all the files zipped together.
Ernie Leimkuhler 's Metalworking Links He built it for $500 Attached image(s) 
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| Porcharu |
Apr 6 2006, 10:52 PM
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Senior Member Group: Members Posts: 1,314 Joined: 27-January 05 From: Campbell, CA Member No.: 3,518 Region Association: Northern California |
Those are really tubing "curvers" they make really nice smooth curves in tubing - like for a spiral staircase or sailboat railings.
Take a look here for a bender that you would use to make a roll cage. Bender plans I am building the HD version. Costs about $250 in steel plus dies and the jack. When I'm done with the engine swap and the CNC mill I "might" make some of these for a fair price. You would still need to buy the plans from Frank. You can't make one of these with hand tools and a drill. I have at least 10 hours into mine and still have some work left. Those holes are a pain in the a** to make without a mill. |
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| rick 918-S |
Apr 6 2006, 10:59 PM
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#3
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Hey nice rack! -Celette Group: Members Posts: 20,473 Joined: 30-December 02 From: Now in Superior WI Member No.: 43 Region Association: Northstar Region 
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I made a manual bender with homemade dies to bend the arch shaped roll bar on this 928. I still have some of the parts for the bender.
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| messix |
Apr 6 2006, 11:02 PM
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#4
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AKA "CLUTCH KILLER"! Group: Members Posts: 6,995 Joined: 14-April 05 From: between shit kickers and pinky lifters/ puget sound wa.north of Seattle south of Canada Member No.: 3,931 Region Association: Pacific Northwest |
more pictures of this please |
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| rick 918-S |
Apr 6 2006, 11:08 PM
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#5
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Hey nice rack! -Celette Group: Members Posts: 20,473 Joined: 30-December 02 From: Now in Superior WI Member No.: 43 Region Association: Northstar Region
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This was the first car. I did some consulting on it. I don't have any more. I just had pizza with my uhpolstery buddy. He helped on it too. He said he thinks he has some more photos. He's going to see if he can hunt them down. We added sheet metal to the back side of the bar to make it a wing shape, then cut in a third brake light, made a vacum formed lens, and my friend covered it with leather and sewed it on with a baseball stitch. Cool! |
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| messix |
Apr 6 2006, 11:11 PM
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#6
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AKA "CLUTCH KILLER"! Group: Members Posts: 6,995 Joined: 14-April 05 From: between shit kickers and pinky lifters/ puget sound wa.north of Seattle south of Canada Member No.: 3,931 Region Association: Pacific Northwest |
thanx, i'd really like to see them. that car looks pretty good from that angle, hard to tell it's a 928.
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| rick 918-S |
Apr 6 2006, 11:19 PM
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#7
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Hey nice rack! -Celette Group: Members Posts: 20,473 Joined: 30-December 02 From: Now in Superior WI Member No.: 43 Region Association: Northstar Region
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(IMG:http://www.914world.com/bbs2/html/emoticons/hijacked.gif) Here's the second generation car. Sorry they had to loose the rollbar for the top. It's a complete glas body, lots of stuff cut off the 928 to do this. Attached image(s) 
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| rick 918-S |
Apr 6 2006, 11:21 PM
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#8
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Hey nice rack! -Celette Group: Members Posts: 20,473 Joined: 30-December 02 From: Now in Superior WI Member No.: 43 Region Association: Northstar Region
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front... (IMG:http://www.914world.com/bbs2/html/emoticons/piratenanner.gif)
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| messix |
Apr 6 2006, 11:25 PM
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#9
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AKA "CLUTCH KILLER"! Group: Members Posts: 6,995 Joined: 14-April 05 From: between shit kickers and pinky lifters/ puget sound wa.north of Seattle south of Canada Member No.: 3,931 Region Association: Pacific Northwest |
that is smooth. looks like something porsche might build five years from now.
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| Brian Mifsud |
Apr 6 2006, 11:34 PM
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#10
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Mechanical Engineer Group: Members Posts: 981 Joined: 3-March 03 From: Penngrove, CA Member No.: 384 Region Association: None |
I appreciate the distinction.. you are right, the thread I found was indeed for a guy who was making railing. |
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| Brian Mifsud |
Apr 7 2006, 08:02 AM
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#11
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Mechanical Engineer Group: Members Posts: 981 Joined: 3-March 03 From: Penngrove, CA Member No.: 384 Region Association: None |
Steve, Mueller is in your kneck of the woods and he has his bridgeport set up with CNC. My mill is still sitting in Mom's garage but I'll be moving it south this summer. If you ever want to do a "production run" maybe we can network... B |
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| spare time toys |
Apr 7 2006, 06:26 PM
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#12
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hooked on grilling food. Group: Members Posts: 4,059 Joined: 3-April 04 From: West Plano Tx Member No.: 1,884 Region Association: Southwest Region |
Is this the same car? http://video.google.com/videoplay?docid=14...che+928&pl=true |
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| Mueller |
Apr 7 2006, 07:29 PM
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#13
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914 Freak! Group: Members Posts: 17,146 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None
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Hey Brian.... Steve is closer to Campbell I think...a good 90 miles away (IMG:http://www.914world.com/bbs2/html/emoticons/driving.gif) I found another good G/M code program, it's free (yippeeee)...it's really an "editor" but has cool Simulation feature that'll show the tool path (x,y and z).....It has some sample codes and it allows you to step thru each line to get a better feel for coding. AutoEditNC 3.0 |
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| rick 918-S |
Apr 7 2006, 08:49 PM
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#14
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Hey nice rack! -Celette Group: Members Posts: 20,473 Joined: 30-December 02 From: Now in Superior WI Member No.: 43 Region Association: Northstar Region
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Yep, that's the first car. You can see the wing shape and the third light on top of the roll bar. the bar is 1 3/4 DOM. |
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| Brian Mifsud |
Apr 13 2006, 08:28 AM
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#15
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Mechanical Engineer Group: Members Posts: 981 Joined: 3-March 03 From: Penngrove, CA Member No.: 384 Region Association: None |
QUOTE(rick 918-S @ Apr 6 2006, 09:59 PM)  I made a manual bender with homemade dies to bend the arch shaped roll bar on this 928. I still have some of the parts for the bender. Rick, Any pics of the Tube Bender? I'm interested in your "home-made dies". Thanks |
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| rick 918-S |
Apr 13 2006, 09:12 AM
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#16
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Hey nice rack! -Celette Group: Members Posts: 20,473 Joined: 30-December 02 From: Now in Superior WI Member No.: 43 Region Association: Northstar Region
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QUOTE(Brian Mifsud @ Apr 13 2006, 06:28 AM) QUOTE(rick 918-S @ Apr 6 2006, 09:59 PM) I made a manual bender with homemade dies to bend the arch shaped roll bar on this 928. I still have some of the parts for the bender. Rick, Any pics of the Tube Bender? I'm interested in your "home-made dies". Thanks Nope, I didn't take photos. I'll see If I can find a few of the parts and make a diagram of how it worked. |
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| smdubovsky |
Apr 13 2006, 01:12 PM
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#17
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Member Group: Members Posts: 331 Joined: 27-September 04 From: Silver Spring, MD Member No.: 2,837 Region Association: MidAtlantic Region |
Why go though the hassle of building your own for $250? For $300 you can buy a JD2. Mine has built 3 1/2 cages so far. I dont do it for a living so it not worth converting to hydraulic (but it would be nice).
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| SoCal Driver |
Apr 13 2006, 02:11 PM
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#18
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Newbie Group: Members Posts: 45 Joined: 8-February 06 From: Oxnard, ca Member No.: 5,549 Region Association: None |
I came across that video about a week ago, nice car. I Porsche should have built that before. I was supprised it went for less than 50k. I would have figured it was going to be more.
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| Brian Mifsud |
Apr 13 2006, 02:20 PM
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#19
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Mechanical Engineer Group: Members Posts: 981 Joined: 3-March 03 From: Penngrove, CA Member No.: 384 Region Association: None |
QUOTE(smdubovsky @ Apr 13 2006, 12:12 PM) Why go though the hassle of building your own for $250? For $300 you can buy a JD2. Mine has built 3 1/2 cages so far. I dont do it for a living so it not worth converting to hydraulic (but it would be nice). $250 includes the cost of buying dies. I'm going to machine my own so my cost will be significantly lower. |
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| Porcharu |
Apr 13 2006, 04:01 PM
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#20
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Senior Member Group: Members Posts: 1,314 Joined: 27-January 05 From: Campbell, CA Member No.: 3,518 Region Association: Northern California |
QUOTE(smdubovsky @ Apr 13 2006, 12:12 PM) Why go though the hassle of building your own for $250? For $300 you can buy a JD2. Mine has built 3 1/2 cages so far. I dont do it for a living so it not worth converting to hydraulic (but it would be nice). It's a different type of bender. I don't have room for a horizontal mount style bender. I can drag this one out of the garage level it up and go to work. Mine is also air over hydraulic and manual (cool jack.) It's also way way overkill - it will bend 2" .120 wall DOM or 4130. And it was fun to weld up some big thick steel - I've never had the MIG cranked up all the way before. (IMG:style_emoticons/default/welder.gif) If I had the room I would have just bought one and been done with it and spent the time working on my car. |
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