And again knowing where to stretch metal is more difficult than stretching it because stretching metal only involves making it thinner and thereby laterally broader.
How to stretch sheet metal by hand.
Start at one end and slowly work down to the other.
The metal worker finds the dent in the metal then places the dolly on the back side of the damaged area.
Using the hammer and dolly method a dent crease or dimple can be made smooth again without the use of a welder or body filler.
You can do this by hitting it between a body hammer and a dolly or with a planishing hammer or other type of power hammer.
Metal can also be stretched in a similar method by using a sandbag and plastic mallets to quickly stretch metal and make shapes.
Cut it bend it shrink it and stretch it.
Now that you know your bend allowance take your protractor and draw a clear line with your marker across the point at which you will bend your sheet metal.
This is a mechanically operated tool that puts the metal between two flat textured jaws and pulls the metal apart slowly each time the lever or.
With a combination of these manipulations you can create anything from flat sheet and you.
Dollies are heavy simply shaped lumps of steel that fit into the palm of the metal worker s hand as he works.
This forces the metal to be compressed and ultimately stretch.
After all there are only four things you can do to metal.
With this method you firmly hold an object behind the metal and hit the other side with a hammer.
Having the right tailor made tools for shaping shrinking and stretching metal you re about to undertake can help you properly and quickly repair damaged sheetmetal and bodywork.
Stretcher the opposite of the shrinker mentioned above.