To sharpen a milling cutter use an emery or grinding stone with the following specifications:
Carborundum, Grain 80, and Grade JK.
Milling cutter sharpening angle must be 5° (cutting angle A), as shown in Figure 9.
APROXIMATE MILLING CUTTER DURATION
The MACROZA SC100 chaser machine has been designed to work on the following materials:
• Bricks (both solid and hollow)
• Fireproof bricks
• Ytong blocks
• Cement blocks
• Plaster walls
Do not use the MACROZA SC100 chaser machine on concrete, stone or any other extremely
hard material.
The life figures (metres cut) of a milling cutter depends on the material it is used on:
MATERIALS
LIFESPAN
Soft materials (plaster, Ytong, etc.)
15,000 m
Hollow brick
9,000 m
Solid brick
4,000 m
Cement block
3,000 m
∞
∞
∞
∞
Sharpen the milling cutter’s upper part.
Never sharpen the front part.
10