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You know.. that kind of information is what is needed. How about writing up a nice How To Bend Tubing.. for those of us who haven't got a clue and are scared out of our collective wits to try this...
My Dad always said.. "if you can get a master to teach you it is better than all of the book learning in the world". He was right.. as usual
drspiff wrote:I've bent some steel brake lines before but had not thought about all the things that BigBill mentioned like adding in the length for the bends, or using a jig to clamp the tubing on. This got me to thinking about copper tubing. While not cheap, it is very bendable and has many of the properties of the steel tubing needed for higher pressure.
Imagine some copper tubing marked off in feet or meters or whatever. Bend up the copper as a trial piece. Once all the bends are in the right place, you have had some practice making the bent tube and you have an idea how much tubing you will need.
Since I'm a cut-and-fit kinda guy, I could see using the copper trial piece to confirm that all the bends are fair and that there is no interference nor pinch points. Once the prototype is proven good, then start bending the steel tubing.
A woodworker friend of mine used a lot of jigs and fixtures when he was making cabinets. When I asked him about all the writing on these jigs, he said it was easier to keep notes on the jigs themselves rather than keep track of both jig and notes. I can see using the tube bending form/jig the same way. As you bend the copper, make notes on the jig for angles, sequence, whatever.
I'm not sure how much a trial piece would help, but I need all the help I can get.
Paul_NJ wrote:I'd like to see that myself. I know how to make a right angle bend, but beyond that I'm a trial-and-error type and waste alot of tubing. I would like to learn the right way.
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