7/11/2005 VERSION 2.0 19
*It is also recommended that the push tool stay in the front end of the blank until the first crimp is
made. The initial crimp may cause the opening of the blank to become twisted and, as a result, the
elbow will not be desirable. Once the initial crimp is made, the push tool may be removed and set
aside. *
Figure 9.3. Close of up advance handle showing location of indexing plunger.
9.5. PRODUCING A CRIMPED ELBOW
Once the above steps have been completed, an elbow can be produced. Run the crimp handle through its
motion and allow it to return to its initial position. Once the crimp handle is back in the starting position,
extend the indexing plunger away from the handle and turn 90 degrees so that the plunger can engage one
of the holes behind the handle. Slowly lift the advance handle until the plunger engages one of the holes.
Keep lifting the advance handle until it reaches the top of its arc. If the indexing plunger has not engaged a
hole, slowly lower the handle until it does and return the handle to the top again. Slowly lower the advance
handle through its range of motion and the blank will advance towards the front of the machine. This
completes one crimp. If needed, lift up slightly on the push tool as the advance assembly is moving
forward to aid the formation of the initial fold. From this point, continue alternating from the crimp handle
to the advance handle until the crimp handle will not produce a crimp. At this point, remove the elbow
from the front of the machine and prepare another blank.
*Once again, it is recommended that the handles are not slammed back and forth between their two
positions. This will cause the crimp depth to be somewhat variable and, therefore, the elbow
produced will not be consistent. Smooth actuation of the handles will produce a more predictable
part time and again and will keep the internal mechanisms from wearing out rapidly. *
** WHEN PRODUCING A CRIMPED ELBOW MAKE SURE TO LEAVE BOTH HANDS ON
THE MACHINE AT ALL TIMES. FAILURE TO DO SO GREATLEY INCREASES THE RISK
OF INJURY TO HANDS AND FINGERS. ALSO MAKE SURE TO KEEP ALL LOOSE
CLOTHING AND LONG HAIR CLEAR OF THE MECHANISMS. **
Indexing Plunger
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