John is correct about how they work.
How does a sheet metal shrinker stretcher work.
In this live video matt goes over how to use a shrinker stretcher.
Make several passes until you can feel the metal becoming softer.
For the first pass only push the jaws together half way as this will prevent the fresh metal from bunching up.
Shrink or stretch metal.
The metal shrinker stretcher basically does exactly what its name implies.
It does this with two sets of jaws.
Shrinking sheet metal refers to shortening an edge of the sheet thus forcing it into a radius or curve.
Tape around the ends of your metal and then push it into the shrinker stretcher.
Simple mechanical shrinker stretchers manual shrinker stretchers are commonly available tools that achieve the same results you have just obtained but through different means.
A shrinker stretcher is a valuable tool in sheet metal panel fabrication as well as fitting patch panels and other sheet metal parts.
As each one clamps down it also either compresses the metal or pulls it apart which creates the shrinking or stretching action.
They do come in handy once in a while but if the working edge shows it s better to use a different method.
Mark simpson demonstrates how to use a shrinker stretcher and how it can be a real time saver in the shop.
These don t work that way.
Once the shrinker stretcher is secure you can start to work on the metal.
A shrinker stretcher is a valuable tool in sheet metal panel fabrication as well as fitting patch panels and other sheet metal parts.
Mark simpson demonstrates how to use a shrinker stretcher and.
Their serrated jaws grip the metal and either force it laterally to shrink or stretch depending on the type of jaws installed.
Commercial shrinker stretchers clamp the edge between pairs of jaws that are then drawn together to shrink it or pulled apart to stretch it.