Central Machinery 5907 Owner's Manual & Safety Instructions page 8

30" shear, press brake and slip roll
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Radius Bending
Radius bending is most commonly used to
make cylinders and cones. Both shapes
are formed by making a series of small,
closely spaced bends in the workpiece.
Figure 10
For cylinders, the bends are evenly
spaced, i.e. every bend is identical.
Figure 11
For cones, move one side of the stock out
farther than the other for every bend.
Page 8
For technical questions, please call 1-888-866-5797.
Wire or Sheet Metal Rolling
Adjusting
Screw (27)
IN
Figure 12
1.
Move the Cover (33) back and out of the way.
2. Coat the Pressing Rollers (24, 31 and 32)
with general purpose grease for
smooth operation. Clean any dirt or
excess grease from the Rollers.
3. Drop the Back Pressing Roller (24) by
loosening the Roller Adjusting Knob (25).
The Back Pressing Roll (24) forms the
radius in the material. The closer it is to the
front Rollers, the smaller the radius will be.
The Roller Adjustment Knob (25) adjusts
the spacing of the Back Pressing Roller.
4. Test with scrap metal first, as metals
have different bending characteristics.
5. Insert just the leading edge of your workpiece
between the Upper Pressing Roll (32) and
Lower Pressing Roll (31), and tighten the roll
bar gap Adjusting Screw (27) until the Roll
Bars are barely snug against the workpiece.
Note: For wire, insert the wire into the proper
sized groove in the Upper Pressing Roller (32).
6. Advance the Back Pressing Roll with the
Roller Adjustment Knob (25) as much as
desired depending on the tightness of the
roll to be accomplished. The tighter the roll,
the more the knobs must be advanced.
7. Rotate the Handle (18) until the proper
roll has been achieved. The material
should feed itself through the rollers as
you crank the Handle Assembly.
Wire or Sheet Metal
Rollers
32
(24,31 & 32)
24
31
Roller
Adjustment
Knob (25)
Item 5907

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