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Hitachi CN16A Manual

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English
SPECIFICATIONS
*Be sure to check the nameplate on product as it is subject to change by areas.
STANDARD ACCESSORIES
(1) Hexagon bar wrench ................................................ 2
Standard accessories are subject to change without notice.
APPLICATIONS
⅜ Cutting and pocket cutting mild steel, stainless steel,
copper and aluminium plates corrugated plates and
trapezoidal plates.
PRIOR TO OPERATION
1. Power source
Ensure that the power source to be utilized conforms
to the power requirements specified on the product
nameplate.
2. Power switch
Ensure that the power switch is in the OFF position.
If the plug is connected to a receptacle while the
power switch is in the ON position, the power tool
will start operating immediately, which could cause
a serious accident.
3. Extension cord
When the work area is removed from the power
source, use an extension cord of sufficient thickness
and rated capacity. The extension cord should be
kept as short as practicable.
4. Die Inspection
Inspect for looseness of the M8 hexagon socket set
screw used for mounting the die holder, the M3
machine screws used for mounting the die (see
Fig. 4) and the M5 hexagon socket set screws used
for mounting the punch (see Fig. 8). Caution should
be exercised because, if any of these screws are
loose, not only does cutting performance deteriorate
but the machine can also be damaged.
5. Lubrication
Before use, carefully lubricate the sliding surfaces
around the die and punch (see Fig. 1) with a suitable
amount of machine oil or spindle oil.
CUTTING
CAUTION
⅜ Never try to cut materials that are too large for the
capacity of the machine since this may cause
damage.
⅜ Applying cutting oil (spindle oil, machine oil, and
so on) along the shearing line may decrease wear
of the punch and die.
Use care to prevent cutting oil adhering to the
housing since the surface may be damaged.
⅜ The cutting directions of Punch shape (I) (see Fig.
11) are in the 3 directions of A, B and C (see Fig.
4) and these directions can be changed, but punch
shape (II) can be cut in direction B only.
1. Cutting plates
As shown in Fig. 2, hold the plates being cut parallel
with the machine and apply a light force while
cutting. When pocket cutting, make a hole 23 mm
in diameter or larger, as shown in Fig. 3, and start
cutting with the tip of the die holder.
2. Cutting corrugated and trapezoidal plates
(1) The cutting direction of this machine can be rotated
in 90° increments in 3 directions (A, B and C) (see
Fig. 4) by loosening the M8 hexagon socket set
screw mounting the die holder. Set the cutting
direction in the B or C direction to cut trapezoidal
plates. After that, securely tighten the M8 hexagon
socket set screw.
(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.
REPLACING 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.
Voltage (by areas)* (110V, 120V, 127V, 220V, 230V, 240V)
Power Input 400W*
Cutting
Mild Steel plate (400N/mm
2
) 1.6 mm
capacity
Stainless steel plate (600N/mm
2
) 1.2 mm
Aluminium plate (200N/mm
2
) 2.3 mm
Number of strokes at no load 2300 min
-1
Minimum cutting radius 40 mm
Width of nibbling groove 5 mm
Weight (without cord) 1.6 kg
… 6 …


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