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How to make a sheet metal hinge.
These are simply a tool choice to be made and installed onto the turrets.
How to make butt hinges.
Turret punches machines that punch out shapes of sheet metal in the flat with all kinds of holes dimples stiffeners and such can punch hinge shapes onto the edges of the projects.
Step 1 determine the size of the butt hinges.
Basically this means that when the sheet metal plate is put in marlin s press brake it presses the sheet metal all the way into the die rather than just partway into the die this alternate process is called air bending.
The slot is more difficult to cut than the tongue so it is better to start with.
Using bottom bending to ensure consistent shapes in the hinge.
Before cutting out the sheet metal plan how large the butt hinges will be.
Step 4 test the hinge pin.
Step 5 drill holes.
To help ensure that the curve for the rounded hinge opening would be a consistent angle with a minimum of effort marlin s manufacturing team used a bottom bending method.
Mark the length and width of your slot.
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