Sharpening Tools; Sharpening Knifes; Polishing - HOLZMANN MASCHINEN NTS 250 Manuel D'utilisation

15.2.2 Sharpening tools

After the correct grinding angle setting:
 Lift the tip of the tool from the grinding wheel
 Switch on the machine („I")
 Let the machine reach the full speed (speed of NTS 250PRO is
controllable) and wait till the grinding wheel is saturated with
water completely
 Press the to sharpen tool against the grinding wheel
 When sharpening move the tool in a pendulum movement to the
left and right until the tool tip is uniformly sharp.
 The tool must cover at least the half of the grinding wheel width
to prevent damage the grinding wheel!
After sharpening:
 Lift the tip of the tool from the grinding wheel
 Switch of the machine („0")
 Wait till the grinding wheel stands still
 Remove the tool from the tool rest

15.3 Sharpening knifes

 Switch on the machine („I")
 Let the machine reach the full speed (speed of NTS 250PRO is controllable) and wait till
the grinding wheel is saturated with water completely
 Attach the knife to the grinding wheel and press with low pressure
 When sharpening move the tool in a pendulum movement to the left and right until the
blade is uniformly sharp.
 Repeat the process on the other side of the blade
After sharpening:
 lift the knife from the grinding wheel
 Switch of the machine („0")
 Before new sharpening wait till the grinding wheel stands still

15.4 Polishing

To optimize the sharpness of the tool or knife it is necessary to polish the blade.
Attach the knife or tool to the polishing wheel and press with low pressure. When polishing move
the tool or knife in a pendulum movement to the left and right.
To avoid damage the polishing wheel, polishing always in the direction of rotation of
the polishing wheel!
In exceptional cases it is necessary to polish without the use of the tool rest.
Keep highest attention when polishing a blade without universal holder
HOLZMANN MASCHINEN GmbH
A T T E N T I O N
W A R N I N G
To touch the rotating polishing wheel can result in serious injury
www.holzmann-maschinen.at
OPERATION
24
NTS 250 / NTS 250PRO