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Figure 13-29.--Universal ironworker shear end.
Figure 13-33.--Universal Pullmax machine.

Hull Maintenance Technician
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Figure 13-30.--Typical notcher and coper work.
1. Punch Holder
2. Notcher Puncher
1. Punch Holder
3. Die Holder
2. Coper Punch
Figure 13-31.--Universal ironworker notcher punch.
3. Die Holder
Figure 13-32.--Universal ironworker coper punch.
knives are firmly fastened since they have a tendency
to work loose during use.
Pullmax
2. Cycle the machine through one complete
revolution, checking the machine for binding or
The Pullmax machine is one of the most important
misalignment.
timesaving machines in the shipfitter shop. It is also
one of the most underutilized machines in the shipfitter
3. Place the workpiece between the cutting knives
shop. It is capable of shearing, nibbling, slot-cutting,
and adjust the holddowns, if installed, to support the
beading, edge-bending, dishing, and numerous other
material being cut and to prevent kickback.
operations depending on setup and tooling. The
4. Ensure that the material to be cut is supported
Pullmax is being included in this section on cutting
on two sides of the die to prevent kickup and rolling
metals since that is its primary function in the shipfitter
during the cutting evolution.
shop. For the purpose of this training manual, we will
only discuss the shearing capabilities of the machine. If
5. Step on the foot pedal and hold the pressure
you want to become more familiar with the capabilities
until the knives have cut the workpiece.
13-27






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