GBC Magnapunch Die Set Issues - Understanding the Problem

The MagnaPunch from ACCO/GBC is one of thecan become loose in the track and that pin can be
most prevalent punching machines on the marketeasily bent causing it to fail to activate the switch
today. It is renowned for its interchangeable diesor break the switch all together. The best bet is
and ease of use. The MagnaPunch features 15to perform routine inspections on the die set and
standard die sets and 2 premium die sets toinspect the pin on the die sets.
choose from. Perhaps the greatest feature of theThe last major complaint that our customers
MagnaPunch is that the die sets can be swappedhave had with the MagnaPunch is the lack of a pin
out in a matter of seconds as it has no locks orretaining clip. All other manufacturers put a pin
levers.retaining mechanism in place to make sure that
Over time however, we have found that thethe numerous punching pins do not fall out if the
locking mechanism that keeps the dies in place isdie is dropped or held upside down. ACCO/GBC's
prone to failing. When this happens, the dies cananswer was to put a magnetic strip on the side
slide out freely causing the machine to shut downof the pins to keep them in place. This solution
or, in a worst case scenario, the machine willworks fairly well, however care must be taken to
punch with the die partially engaged breaking themake sure that the magnetic strip does not slide
die and causing potentially massive internalon the die. We have found that after a relatively
damage. We have found in a productionshort amount of time, the magnetic strips are
environment that users will use a heavy tape todamaged from the punch itself and users usually
hold the die set in place to keep the die setsremove them. This makes it extremely common
from sliding out with use.for pins to become lost or to fall out when the
Less common than the dies being too loose isdie set is removed from the Magnapunch.
when the die lock mechanism is too tight. WhenUnfortunately, in a production environment these
this happen, it can be very difficult and timeproblems are all too common. Problems with the
consuming to remove the die set from the punch.die sets cause expensive service calls, equipment
Unfortunately, we have not found an easy fix fordamage, and result in higher than necessary
this situation other than that overtime; the diemaintenance costs. Die sets for the Magnapunch
lock mechanism will loosen up and eventually fail.are expensive to replace and replacement dies will
The die sets also have a pin mounted on thesuffer from the same problems that most likely
leading edge of the die that engages with acaused die failure in the first place. Unfortunately,
switch inside the MagnaPunch, telling the machinethis is a major limitation to an otherwise excellent
that the die set is in place. Overtime, the die setpiece of equipment.