(Part A) Machinerys Handbook 31st Edition Pages 1-1484

Machinery's Handbook, 31st Edition

1286

GRINDING WHEELS 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

W

K

Type 11. Flaring-Cup Wheel Side grinding wheel with wall tapered outward from the back; wall generally thicker in the back.

T

J H E

SNAGGING Portable machines, organic bonds only, threaded hole

4 to 6

2

5 ∕ 8 -11 UNC-2B

TOOL GRINDING Broaches, cutters, mills, reamers, taps, etc.

2 to 5

1 1 ∕ 4 to 2

1 ∕ 2 to 1 1 ∕ 4

A K H D

U

Type 12. Dish Wheel Grinding on the side or on the U-face of the wheel, the U-face being always present in this type.

T

E

J

TOOL GRINDING Broaches, cutters, mills, reamers, taps, etc.

3 to 8

1 ∕ 2 or 3 ∕ 4

1 ∕ 2 to 1 1 ∕ 4

D

K

U R U = E R = U 2

T

Type 13. Saucer Wheel Peripheral grinding wheel, resembling the shape of a saucer, with cross section equal throughout.

H

E

J

1 ∕ 2 to 1 3 ∕ 4 U & E 1 ∕ 4 to 1 1 ∕ 2

8 to 12

3 ∕ 4 to 1 1 ∕ 4

SAW GUMMING Saw tooth shaping and sharpening

J

R

H

Type 16. Cone, Curved Side Type 17. Cone, Straight Side, Square Tip Type 17R. Cone, Straight Side, Round Tip (Tip Radius R = J ⁄2)

DH

R1

D

B

B

T

T

3 ∕ 8 -24UNF-2B to 5 ∕ 8 -11UNC-2B

SNAGGING Portable machine, threaded holes

1 1 ∕ 4 to 3

2 to 3 1 ∕ 2

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