| Author |
 Topic  |
|
|
Yerboogieman
Nobel Prize Winner
USA
577 Posts |
 Posted - Dec 06 2011 : 12:57:47 AM
|
http://www.youtube.com/watch?v=pVryHGDxh5M
Never use straight metal vices when bending or woodworking. You'll end up with a horrible bend and if woodworking, you'll ding up the wood. And you can use larger pieces of wood for longer pieces of metal to get a straight bend. |
If you don't have the time to do it right, when will you have the time to do it over? |
|
|
Yerboogieman
Nobel Prize Winner
USA
577 Posts |
Posted - Dec 06 2011 : 01:05:08 AM
|
| Also, these are some great plans. http://www.ch601.org/tools/bendbrake/brakeplans.pdf |
If you don't have the time to do it right, when will you have the time to do it over? |
Edited by - Yerboogieman on Dec 06 2011 01:06:31 AM |
 |
|
|
wasssup1990
Nobel Prize Winner
A Land Down Under
2261 Posts |
Posted - Dec 06 2011 : 08:43:17 AM
|
Actually just yesterday I saw an episode of the MythBusters where Jamie used a "hydroforming" technique to form sheet metal into objects. It's a pretty clever technique and it produces a nice finish. It's a lot less punishing than beating away with a hammer.
http://dsc.discovery.com/videos/mythbusters-torpedo-tastic-aftershow-1.html |
When one person suffers from a delusion it is called insanity.
When many people suffer from a delusion it is called religion. |
|
|
|
Yerboogieman
Nobel Prize Winner
USA
577 Posts |
Posted - Dec 06 2011 : 1:02:39 PM
|
| Very interesting. But I wanted to see the bursted piece of metal. |
If you don't have the time to do it right, when will you have the time to do it over? |
|
|
|
wasssup1990
Nobel Prize Winner
A Land Down Under
2261 Posts |
Posted - Dec 06 2011 : 11:59:18 PM
|
quote:
Originally posted by Yerboogieman
Very interesting. But I wanted to see the bursted piece of metal.
It's in the episode. |
When one person suffers from a delusion it is called insanity.
When many people suffer from a delusion it is called religion. |
|
|
|
Yerboogieman
Nobel Prize Winner
USA
577 Posts |
Posted - Dec 07 2011 : 3:36:55 PM
|
| The one that exploded they were talking about? |
If you don't have the time to do it right, when will you have the time to do it over? |
|
|
|
wasssup1990
Nobel Prize Winner
A Land Down Under
2261 Posts |
Posted - Dec 08 2011 : 03:54:03 AM
|
quote:
Originally posted by Yerboogieman
The one that exploded they were talking about?
That's right, it's in the T.V. episode. Probably on the net somewhere as well, try YouTube. |
When one person suffers from a delusion it is called insanity.
When many people suffer from a delusion it is called religion. |
|
|
|
Aaron Cake
Administrator
Canada
6718 Posts |
Posted - Dec 10 2011 : 10:50:54 AM
|
The real problem with using a vice to bend a 90 degree angle is that if the angle is longer than the vice and thus the bend must be in several sections, it will almost always cause the bend to concave the metal. It makes a spring effect which is really difficult to hammer out. I've been thinking of making a brake for quite some time. However Woodward Fab has a 3 in one machine (brake, roller, bead roller) for less than $600. They are always offering huge discounts at Auto Rama so I may just pick one up this year.
Hydroforming is more for production. It was neat to see it in Mythbusters (when they aren't sending cannon balls through people's houses because they thought a bomb range was equivalent to an artillery range) but as a practical method of making a few pieces, not worth it. Probably took as long to set up the hydroforming rig than it would have to just pound it out with a hammer and shot bag. |
|
|
|
Yerboogieman
Nobel Prize Winner
USA
577 Posts |
Posted - Dec 12 2011 : 03:22:58 AM
|
Which is why it is good to use a couple 2x4s longer than the vice. I thought that was hilarious. I wish they had a video of it.
http://www.youtube.com/watch?v=qOTRx3ZqjjI&ob=av2e
Even though there is no song where she touched the album, it still bothers me. |
If you don't have the time to do it right, when will you have the time to do it over? |
|
|
|
Aaron Cake
Administrator
Canada
6718 Posts |
Posted - Dec 17 2011 : 10:51:39 AM
|
| Funny I guess, but it could have easily caused serious damage and killed multiple people. It just goes to show how much the Mythbusters really don't know. You'd think by now they would know a thing or two about cannons... |
|
|
| |
Topic |
|
Bending and shaping metal pieces
