Machinery's Handbook, 31st Edition
1290
GRINDING WHEELS Table 1b. Standard Shapes and Metric Size Ranges of Grinding Wheels ANSI B74.2-2003
Table 1b. (Continued) Standard Shapes and Metric Size Ranges of Grinding Wheels
Size Ranges of Principal Dimensions, Millimeters
Applications
D = Diam.
T = Thick.
H = Hole
Type 5. Wheel, recessed one side a
CYLINDRICAL GRINDING Between centers CYLINDRICAL GRINDING Centerless regulating wheels
300 to 900
40 to 100
127 or 304.8
200 to 350
80 to 160
76.2 or 127
INTERNAL GRINDING
10 to 100
10 to 50
3.18 to 25
Type 6. Straight-Cup Wheel a
W = Wall
SNAGGING Portable machines, organic bond only (hole is 5 ∕ 8 -11 UNC-2B) TOOL GRINDING Broaches, cutters, mills, reamers, taps, etc. (Hole is 13 to 32 mm)
100 to 150
50
20 to 40
50 to 150
32 to 50
8 or 10
Type 7. Wheel, recessed two sides a
CYLINDRICAL GRINDING Between centers CYLINDRICAL GRINDING Centerless regulating wheels
300 to 900
40 to 100
127 or 304.8
200 to 350
100 to 500
76.2 to 152.4
Type 11. Flaring-Cup Wheel a
SNAGGING Portable machines, organic bonds only, threaded hole
100 to 150
50
5 ∕ 8 -11 UNC-2B
TOOL GRINDING Broaches, cutters, mills, reamers, taps, etc.
50 to 125
32 to 50
13 to 32
Type 12. Dish Wheel a
TOOL GRINDING Broaches, cutters, mills, reamers, taps, etc.
80 to 200
13 or 20
13 to 32
Type 27 and 27A. Wheel, depressed center a
CUTTING OFF Reinforced organic bonds only
400 to 750
U = E = 6
25.4 or 38.1
SNAGGING
80 to 230
U = E = 3.2 to 10
9.53 or 22.23
Portable machines
a See Table 1a for diagrams and descriptions of each wheel type. All dimensions in millimeters.
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