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7 . 2 G r i n d i n g o f k n i v e s
( c o n t i n u e d )
Grinding the third fixed knife
The third fixed knife is ground on the same side of the grinding fixture as the rotat-
ing knives.
Follow the instruction and use the grinding fixture and surface grinder with mag-
netic table. The grinding fixture gives the third fixed knife the
precise and correct cutting angle.
Grinding
Grind the cutting angle on the knife
Cutting angle 60°.
•
Install the knife in the fixture as shown in the
illustration, with the knive s rear lower edge in the
inner groove on the grinding fixture.
•
Fix the knife, use the screws and the flat hardened
washers which belongs to the grinding fixture.
•
Grind the cutting angle until the knife edge does
not have any irregularities.
Minimum knife dimensions
•
The knife can be ground down to the dimensions
in the adjacent illustration.
After that, the knife is used up and must be
replaced by a new one.
Grind the
cutting angle
60°
Grind the cutting angle
min. 60 mm
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S e r v i c e l
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