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9
CREATING CYLINDERS
The Slip Roll feature can not only create bends but can also be used to form cylinders. Determine the diameter
of the cylinder you want to form and calculate the circumference by using the formula below:
Circumference = 3.14 X Diameter
• Turn the Thickness Adjustment Knobs
(R)
up/down as required to be sure that the Upper and Lower
Rollers are parallel.
• Adjust the Rear Roller Knobs
(S)
(Counter-Clockwise) so that the Rear Roller is all the way down.
• Place the piece of sheet metal to be formed between the Upper and Lower front Rollers and gradually
turn in (Clockwise) the Thickness Adjustment Screws
(R)
until the Upper Roller is exerting pressure on
the piece of sheet metal.
IMPORTANT NOTE:
Be sure when making this adjustment that both sides of
the Upper Roller are lowered equally so that the same amount of pressure is being exerted across the
entire length of the piece and the Upper and Lower Rollers are completely parallel.
• Rotate the Handle
(A)
(Clockwise as viewed from the right side) to begin feeding the metal into the
Rollers until the piece is directly above the Rear Roller.
• Adjust the Rear Roller Knobs
(S)
to set the diameter of the piece. The more this roll is raised, the smaller the diameter of the part will be. Be sure to adjust
the knobs equally on both sides to avoid making a conical shape.
IMPORTANT NOTE:
It is better to make the initial forming too large of a diameter rather than too small, as a diameter that is formed too large can be
reformed to a smaller diameter. If the diameter is made too small initially, it cannot be reformed and must be scrapped.
• At this point you will have formed a complete cylinder. If the piece is not a complete cylinder and the ends do not touch, raise the Rear Roller slightly
at both ends equally and rotate the Handle until the entire piece has been rolled again. Continue making tightening adjustments to the Rear Roller
if necessary to get the ends of the cylinder to come together to form a complete cylinder.
Once the cylinder has been formed, it will need to be removed from the top of the Slip Roller with the following steps:
• Loosen both Rear Roller Knobs
(S)
equally.
• Loosen the Thickness Adjustment Screw
(R)
located at the left upper corner of the Frame until it completely disengages the Upper Roller bearing in order
to release it
(FIG 6)
.
• Swing the left side of the Upper Roller outward and on an angle but do not try and remove the Roller. Simply slide the work piece off the Roller.
• Replace the Upper Roller back into the Thickness Adjustment Screw
(R)
.
R
✓
FIG. 6
Ci
rc
um
fer
enc
e
Dia
mete
r
