english
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• Data from the machine type plate
• Data of the electric control
If you return the motor, always return the complete drive unit
with the electric control.
Working Instructions
Direction of Grinding (Fig. 1, Fig. 2)
It mainly depends on your requirements whether you
want to work with or against the direction of grinding. If
you want to quickly remove large quantities of steel (e.g.
from very old, rusty tools) or if you want to grind coarse
tools, such as axes, it is recommended to work against the
direction of grinding. If you want to grind more precisely,
we recommend to work with the direction of grinding. This
applies, for example, to carving tools and knives. Please
note that the grinding process is slowed down if you work
with the direction of rotation.
Please check before each operation whether the surface
of the grinding stone is even. To do so, lower the universal
support onto the stone and turn it manually by 360°. If
required, trim uneven material using the 250 trimming
device.
Upon the time of delivery, the Nsm 200 provides of even
surfaces.
Water Reservoir (Fig. 4, Fig. )
Fill the water reservoir with water up to the marking. The
grinding stone becomes saturated with water. Refill water,
if required. Do not grind without water.
Once the grinding process is completed, lower the water
reservoir to prevent the grinding stone from being in the
water for an extended period of time.
Empty the water reservoir regularly. Otherwise, particles of
steel and trimmed stone will accumulate and compress in
the reservoir.
Expert tip: Such precipitations can be avoided if you place
a magnet into the water.
Angle Measurer (Fig. 6)
Measure the angle of the grinding bezel by comparing the
cutting edge to the notches. Then, you set the determined
angle at the device by changing the height of the universal
support. To do so, perform the following steps:
First, clamp the tool into the device and insert the device
on the universal support.
Then, hold the angle measurer with the desired angle at
the tool tip. Now, adjust the height of the universal support
in such a manner that the front end of the angle measurer
straightly borders the grinding stone. Please make sure
that the angle measurer is always in alignment with the
tool tip.
Note: The values indicated on the angle measurer are only
standard values. Of course, you can change these values
according to your requirements.
Grinding (Fig. 7)
Expert tip: New tools still show traces of the production
process. You can substantially increase the lifetime of your
tools if you grind them on both sides of the cutting edge
before the first application. You simply grind the back side
in the free-handed mode on the vertical of the grinding
stone, and the front side as follows.
After you have set the angle, insert the tool mounted in
the device on the universal support, turn on the motor,
and start the grinding process. Press the tool evenly onto
the grinding stone near the cutting edge, and move it
crosswise across the stone. Please make sure that at least
half the width of the cutting edge comes into contact with
the grinding stone at any time to avoid damages of the
stone.
To achieve finer grinding results, prepare the stone using
the Stone preparer. Thereby you increase the graining from
250 to approximately 1000. The SP is available as an
accessory from your scheppach dealer.
Sharpening (Fig. 8)
Never sharpen against the direction of grinding! Otherwise,
the tool will cut into the leather!
Impregnate the leather disc using weak machine oil. Then
apply abrasive paste on the leather disc. Turn on the
device, and distribute the abrasive paste by pressing the
ground tool with circular movements on the wheel.
These preparations are sufficient for five to ten tools. Then,
you start again with a new layer of machine oil, followed by
new abrasive paste. These measures increase the lifetime
of the leather and the quality of your tools.
Expert tip: You can work in the free-handed mode for the
trimming itself. You achieve a more precise result if you
keep the tool in the device in the position in which you
ground the tool.
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