Maintenance & Alignment
Blade Sharpening
5
5-10 EGdoc091010 Maintenance & Alignment
5.8 Blade Sharpening
The blade teeth should be sharpened as soon as their dullness, measured as
shown in the figure on the right, is .10 -.20 mm.
Use diamond grinding wheels for sharpening the blades. Apply intensive cooling
during sharpening to prevent overheating and structural changes in the cemented carbide tips.
Blades with hard tips (GLOTECH series) must be intensively cooled with water during
sharpening. Failure to do so will result in cracks in the tips.
In Multix type blades the carbide tips should be .4 - .6 mm wider than the carbides in the wiper slots.
(See the figure below.) If this difference is not kept, it will result in disk overheating and – in extreme
case – in cracks in the blade gullets. The carbide plates in the wiper slots remove sawdust and
splinters from the kerf. They also cause sawdust to be blown away.
When sharpening, maintain the proper tooth geometry as
indicated in the figure below.
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