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Grinding Wheel Classification
Besides the technical data as diameter, width and centre hole size the wheels
are labelled with a digit/number code. The meaning of that digit/number code
can be gathered from the table below.
Data Meaning
A
GRINDING MATERIAL
60
GRAIN SIZE
M
QUALITY
5
STRUKTURE
V
BINDER
Operation
Comment
A For Aluminium Oxide
C For Silicon Carbide
24 (coarse),30,36,46,54,60,70,80 (fine)
K (soft),L,M,N,O,P (hard)
Structural numbers indicating the degree of
porosity, these are not always present.
V = Ceramic
14
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