Machinery's Handbook, 31st Edition
GRINDING WHEELS
1285
Table 1a. Standard Shapes and Inch Size Ranges of Grinding Wheels ANSI B74.2-2003 Table 1a. (Continued) Standard Shapes and Inch Size Ranges of Grinding Wheels
Size Ranges of Principal Dimensions, Inches
Applications
D = Dia.
T = Thick.
H = Hole
D P
Type 5. Wheel, recessed one side For peripheral grinding. Allows wider faced wheels than the available mounting thickness, also grinding clearance for the nut and flange.
F
T
H
E
CYLINDRICAL GRINDING Between centers CYLINDRICAL GRINDING Centerless regulating wheel
5 or 12
12 to 36
1 1 ∕ 2 to 4
8 to 14
3 to 6
3 or 5
INTERNAL GRINDING
3 ∕ 8 to 4
3 ∕ 8 to 2
1 ∕ 8 to 7 ∕ 8
SURFACE GRINDING Horizontal spindle machines
7 to 24
3 ∕ 4 to 6
1 1 ∕ 4 to 12
D
W
Type 6. Straight-Cup Wheel Side grinding wheel, in whose dimensioning the wall thickness ( W ) takes precedence over the diameter of the recess. Hole is 5 ∕ 8 -11UNC-2B threaded for the snagging wheels and 1 ∕ 2 or 1 1 ∕ 4 ″ for the tool grinding wheels.
E
T
H
W = Wall
SNAGGING Portable machines, organic bond only. TOOL GRINDING Broaches, cutters, mills, reamers, taps, etc.
4 to 6
2
3 ∕ 4 to 1 1 ∕ 2
2 to 6
1 1 ∕ 4 to 2
5 ∕ 16 or 3 ∕ 8
D P
F
Type 7. Wheel, recessed two sides Peripheral grinding. Recesses allow grinding clearance for both flanges and also narrower mounting thickness than overall thickness.
H G E
T
P
CYLINDRICAL GRINDING Between centers CYLINDRICAL GRINDING Centerless regulating wheel SURFACE GRINDING Horizontal spindle machines
5 or 12
12 to 36
1 1 ∕ 2 to 4
8 to 14
4 to 20
3 to 6
12 to 24
2 to 6
5 to 12
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