Removing The Pipe Bend from The Die
After the pipe bend is complete you will have to remove the bent pipe from the die. When the die is new or the pipe is oversized you may require a mallet to remove the pipe. Use the mallet to strike the pipe on the bent end. It should break loose a little. After it breaks loose the holdback clip pin and holdback clip are easily removed. Transfer the bend pipe to a flat surface (floor, workbench, etc.).
Verifying the Pipe Bend Angle
To verify that the bend is 90° you can use the square again. Use the edge of the square to scrape the top centerline of both side of the bend. This will produce a linear mark. Place the square on top of the bent pipe with the edges line up with the scrape marks. Now you can verify that the bend angle is correct and move to the next bend. If the angle is not perfect, you should change the moveable limit switch setting to accommodate for the difference.
Locating Multiple Pipe & Tube Bends
A common bend configuration is offset 90° bends, back to back. If you review your scratch lines, form the previous section, you will use them to locate the next bend. With the square lined up with the scratch lines measure from the centerline of one leg of the bent pipe or tube down the length of the other end to the desired distance, say 36IN. Mark the pipe at that location. Place the pipe back in the die between the holdback clip and the die so that the 36IN mark lies up with the OD of the die. Replace the holdback clip pin. Follow your newly acquired bending techniques to bend the pipe to the moveable limit switch and return to home base, remove the pipe and place it on a flat surface for evaluation.
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