How To Replace The Punch And Die - Hitachi Koki CN16SA - 998030 Punch For CN16 Instruction Manual

English
(2) Grip the machine firmly with both hands as shown in Fig. 5, align with the shape of the
trapezoidal plate, push the machine forward until the die holder is at right angles as
shown in Fig. 6 and make the cut.

HOW TO REPLACE THE PUNCH AND DIE

CAUTION:
In this case, be sure to previously disconnect the plug from the power supply.
1. Service life of the punch and die
Wear and damage to the cutting edges of the punch and die can greatly influence the
cutting operation. Under normal usage, the service life of the punch and die is as shown
in the table below. Replace the punch and die promptly when the end of the service life
approaches. The punch and die should be replaced at the same time.
Cutting materials
1/16" (1.6 mm) mild steel plates
1/16" (1.6 mm) mild steel corrugated and
trapezoidal plates
3/64" (1.2 mm) stainless steel plates
When the machine is used according to the service
life indicated in the above table, the punch will have
abrasions as shown in the enlarged diagram of the
worn punch tip in Fig. 7. This is when the punch
and die should be replaced.
12
Fig. 5
Service life cutting lengths of punch and die
1000 ft (300 m)
160 ft (50 m)
650 ft (200 m)
Wear due
to abrasion
Die Holder
Cutting
Material
Fig. 6
Cutting Edge
of Punch
Fig. 7