Quenching???
Senior User
Joined: Dec 2000
Posts: 358
Likes: 1
From: Northwest Iowa
Quenching???
Has anybody quenched a dent out?? I have heard of it, where you heat the panel and then cool it to bring the dent out. Can anybody give a little more insight. Anybody try it????
Thanks
Kevin
Thanks
Kevin
Senior User
Joined: Jan 2000
Posts: 190
Likes: 0
Quenching???
It's my understanding that you heat the dent with a torch til it glows, then use a hammer and dolly to raise it to the original shape (or as close as possible), then quench it to shrink the metal, so it doesn't "oilcan".
Never had to do it myself, but I've seen it done a couple times, and it does work!
Chuck
Never had to do it myself, but I've seen it done a couple times, and it does work!
Chuck
Cargo Master
Joined: Jul 2000
Posts: 2,281
Likes: 18
From: Northern California
Quenching???
[font size="1" color="#FF0000"]LAST EDITED ON 22-Jun-01 AT 01:46 AM (EST)[/font][p]I saw an ad for a product that used friction heat to get the dent out and it said it would go back to original shape but I don't see any pros using it.
metal bends best when hot, but I don't understand the quneching part. I don't know if cooling down the metal faster would help it to retain it's shape.
Here's a link that might help...
http://www.autobodystore.com/cgi-bin/config.pl?index
metal bends best when hot, but I don't understand the quneching part. I don't know if cooling down the metal faster would help it to retain it's shape.
Here's a link that might help...
http://www.autobodystore.com/cgi-bin/config.pl?index
New User
Joined: Jun 2001
Posts: 14
Likes: 0
Quenching???
quenching or shrinking is good but only if you cant stop "the oilcan effect" the flex in the dent would crack the filer
over time .
the cooling with a wet rag helps pull the steel into the heated spot.
this can be a 2 man job one on the torch 1 with shrinking hammer
and dolly.hit the hot spot with hammer to pull the steel into the center of heated spot in sort of a side to side motion not
up and down.
holeshot..
over time .
the cooling with a wet rag helps pull the steel into the heated spot.
this can be a 2 man job one on the torch 1 with shrinking hammer
and dolly.hit the hot spot with hammer to pull the steel into the center of heated spot in sort of a side to side motion not
up and down.
holeshot..
Junior User
Joined: Oct 2000
Posts: 83
Likes: 0
Quenching???
Practice on an old anything first. The description is if the bump is out and you are trying to knock it in; reverse for the other direction.
Heat a dime-sized spot until its red (don't melt through). You'll see the highest spot come out futher, like a blister.
Quickly, put a dolly behind the spot and give it on whack directly on the spot. The top will go in and leave the surrounding area come up a little, like a crater.
Next, tap around the spot (called "off-dolly"). This will help gather the metal back in the center, which is where it was stretched out.
Finally, quench or cool the metal with a cold wet rag. This will draw the metal tighly back together.
For small dents, you can just heat and quench to get similar but slower results.
It's really fun and rewarding when it works and makes a mess when it doesn't. Pros can do it until there's no filler needed; I just like to get it close and use less filler.
Heat a dime-sized spot until its red (don't melt through). You'll see the highest spot come out futher, like a blister.
Quickly, put a dolly behind the spot and give it on whack directly on the spot. The top will go in and leave the surrounding area come up a little, like a crater.
Next, tap around the spot (called "off-dolly"). This will help gather the metal back in the center, which is where it was stretched out.
Finally, quench or cool the metal with a cold wet rag. This will draw the metal tighly back together.
For small dents, you can just heat and quench to get similar but slower results.
It's really fun and rewarding when it works and makes a mess when it doesn't. Pros can do it until there's no filler needed; I just like to get it close and use less filler.
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Senior User
Joined: Dec 2000
Posts: 358
Likes: 1
From: Northwest Iowa
Quenching???
Thank you all for the information. I tried it and it worked well. I am pleased with the results. I got rid of the oilcanning.
Kevin
Kevin
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