During bending operation the resting forms with the disc scales turn, indicating the bending
angle of the pipe. Example:
1. Resting foirm and scale at 0 degrée position.
2. Resting form and scale at 30 degrée position.
1
12
MEASURES OF FORMS AND RESTING FORMS
FORMS
1/2 - 3/4 - 1 -
1.1/4 - 1.1/2 - 2
HOW IS ANGLE MEASURED?
2
RESTING FORMS
(it has three sides)
1 - 1.1/4
1.1/2 - 2
1/4 - 3/8 -
1/2 - 3/4