Mitsuya Limited
600 Srinakarin Road, Suanluang Suanluang Bangkok 10250 Thailand.
Tel. (662) 322-3333 Fax. (662) 322-3400
E-mail :
Service@emitsuya.com
www.emitsuya.com
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Wheel shape symbols

Wheel shape symbols are decided according to the following four shape section.

    • Basic core shape
    • Shape of abrasive section
    • Location of abrasive section
    • Modification


Basic core shapes and symbols
Symbols Shapes
1
2
3
4
6
9
11
12
14
15


Shape of abrasive section and symbols

Symbols Shapes of abrasive section Symbols Shapes of abrasive section
A L
AH LL
B M
C P
CH Q
D QQ
DD S
E U
EE V
F Y

Locations of abrasive section and symbols

Symbols Locations Fig.
1 Peripheral
2 Side
3 Both side
4 Outer side inclination
5 Inner side inclination or roundness
6 Part of peripheral
7 Part of side
8 Whole
9 Corner
10 Internal

Modifications and symbols

Symbols Modifications Fig.
B Hole with steps
C Hole with flat head
H Straight hole
M Straight hole and screw hole
P Single relief
R Double refief
S Segment
SS Segment with slots
T Screw hole
Q Abrasive section insert
V Reverse abrasive section
Y Reverse insert of abrasive section

Wheel shape classification

Symbols Shapes Symbols Shapes
1A1 6A9
1A1R 9A3
1E6Q 11A2
1EE1V 11V9
1FF1 12A2
1L1 12A9
1V9 14A1
3A1 14E6Q
6A2 14EE1
6A7S