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Hydro foarming headlight domes.
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Author:  stuie84 [ November 3, 2017, 10:09 pm ]
Post subject:  Hydro foarming headlight domes.

Watch this video if you would like to take a crack at making your headlights from scratch.

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

Oh YouTube. Making me add one more thing i want to do to make my car.

I wonder if project Binky knows about this. lol

Author:  BHRmotorsport [ November 4, 2017, 1:26 am ]
Post subject:  Re: Hydro foarming headlight domes.

Thanks for the link. That was really neat!

Author:  ngpmike [ November 4, 2017, 6:33 am ]
Post subject:  Re: Hydro foarming headlight domes.

Probably didn't have have a cheap & easily available pressure source that would work as well as a grease gun.

EDIT: This was supposed to be in answer to Lonnie's Post! I don't know what's going on with the forum, but I posted this at about 4:30pm CDT! WTH?

Author:  stuie84 [ November 4, 2017, 10:48 am ]
Post subject:  Re: Hydro foarming headlight domes.

Lonnie-S wrote:
It was nice, but I wonder why he didn't use a more friendly fluid like water?

Cheers,



Probably what Mike said. Cheap and low tech. But I like it because it looks very controllable. When he pull it out of the frame the grease stayed put, didn't make a mess and was easy to put back in the gun.

Author:  Lonnie-S [ November 4, 2017, 3:33 pm ]
Post subject:  Re: Hydro foarming headlight domes.

It was nice, but I wonder why he didn't use a more friendly fluid like water?

Cheers,

Author:  ngpmike [ November 4, 2017, 11:45 pm ]
Post subject:  Re: Hydro foarming headlight domes.

"BUMP" This is just to see if the time stamp has straightened out! 10:45 pm CDT,11/4/2017

Author:  JackMcCornack [ November 7, 2017, 3:35 pm ]
Post subject:  Re: Hydro foarming headlight domes.

Lonnie-S wrote:
It was nice, but I wonder why he didn't use a more friendly fluid like water?
I suspect it's because high pressure manual power grease guns are readily available (and/or 'cause grease doesn't leak as readily as water).

Author:  davew [ November 8, 2017, 9:01 am ]
Post subject:  Re: Hydro foarming headlight domes.

Lonnie
Commerical hydro-forming operations use a water base fluid with a soluble forming lube.
But even clamped together with a huge hydrualic press, they pisses out A LOT of fluid between the dies.
DaveW

Author:  phil [ November 8, 2017, 5:35 pm ]
Post subject:  Re: Hydro foarming headlight domes.

stuie84 wrote:
Watch this video if you would like to take a crack at making your headlights from scratch.

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

Oh YouTube. Making me add one more thing i want to do to make my car.

I wonder if project Binky knows about this. lol

:cheers:

Thanks for the link. I found this simple approach to pressure forming most interesting

Author:  Laminar [ November 9, 2017, 2:02 am ]
Post subject:  Re: Hydro foarming headlight domes.

davew wrote:
Lonnie
Commerical hydro-forming operations use a water base fluid with a soluble forming lube.
But even clamped together with a huge hydrualic press, they pisses out A LOT of fluid between the dies.
DaveW


Colin Furze did this with a pressure washer.

https://www.youtube.com/watch?v=llhcATrmsBg

Author:  FastG [ November 9, 2017, 9:05 am ]
Post subject:  Re: Hydro foarming headlight domes.

You can use a pressure washer, they produce more then enough pressure. I helped a friend to make a 2-stroke exhaust pipe. it worked well. You have to install some sort of bleed valve so you can get the air out. You can use a hammer or even a torch to massage areas that are not coming out to your liking.

Graham

Author:  Lonnie-S [ November 9, 2017, 9:33 pm ]
Post subject:  Re: Hydro foarming headlight domes.

Laminar wrote:
davew wrote:
Lonnie
Commerical hydro-forming operations use a water base fluid with a soluble forming lube.
But even clamped together with a huge hydrualic press, they pisses out A LOT of fluid between the dies.
DaveW


Colin Furze did this with a pressure washer.

https://www.youtube.com/watch?v=llhcATrmsBg


That guy is certifiable (but amusing), and I wonder what in the world he's been smoking. However, that said, there is something to his water-based method. It's definitely low cost. If you made some decent molds, it could be useful. I think I'd focus on half molds and join the halves by welding or riveting.

Thanks for the post.

Cheers,

Author:  TRX [ November 30, 2017, 9:59 pm ]
Post subject:  Re: Hydro foarming headlight domes.

I have an old TAB shop projects book that describes DIY'ing similar shapes with a pressure vessel formed from a steel pipe cap. Pressure came from a .38 Special blank cartridge; it fell under the category of "explosive forming."

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