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Message started by Dave on 10/26/17 at 05:48:44

Title: Grease gun Hydroforming
Post by Dave on 10/26/17 at 05:48:44

This is a cool video and could be useful for someone to use in a project - but I don't believe you should be making your own headlight reflector. (The reflector will not be parabolic and provide a useful light pattern).
It might work well for building the housings for gauges, air cleaners, etc.

https://www.youtube.com/watch?v=A66iw8P5NQ4
[media]http://www.youtube.com/watch?v=A66iw8P5NQ4[/media]

Title: Re: Grease gun Hydroforming
Post by LANCER on 10/26/17 at 07:14:57

VERY INTERESTING ;) :o

Title: Re: Grease gun Hydroforming
Post by verslagen1 on 10/26/17 at 07:50:06

Grease is a safe way to do this, if the shell cracks, it's not going anywhere.
But if you use air, you got a bomb. Ask OF about dark side tires.

It would have been worthwhile to look up the elongation of the material and do a calc of how much you're going to stretch the material... circumference vs. straight across. Can be as low as 10% or as high as 30%. But fear not, annealing resets so you can do more.

I would have started with a bigger blank too.

Title: Re: Grease gun Hydroforming
Post by justin_o_guy2 on 10/26/17 at 09:46:22

One leads to another, until you're trapped...
https://m.youtube.com/watch?v=Lg__B6Ca3jc

Workshop geniuses..

Title: Re: Grease gun Hydroforming
Post by zipidachimp on 10/27/17 at 00:01:43

On the slow ride to to my finish line, it's vids like these that make me question why I spent all of my working life in 'white collar' jobs.
Machinist/die maker is where I belonged, wasn't smart enough to recognize it.
Thanks guys, really. The remaining time I have will be in the garage, or at vintage races! 8-)
Cheers! 8-)
https://svra.com/
http://www.ahrma.org/schedules-results/road-race/