Machinery's Handbook, 31st Edition
Reamers
927
American National Standard Arbors for Shell Reamers— Straight and Taper Shanks ANSI/ASME B94.2-1995 (R2015)
D
B
A
L
A
Arbor Size No.
Approx. Length of Taper L
Taper Shank No. a
Straight Shank Dia. D
Arbor Size No.
Approx. Length of Taper L
Taper Shank No. a
Straight Shank Dia. D
Overall Length A
Overall Length A
Reamer Size
Reamer Size
2 2 3
7 8 9
11 12 13
3
3 4 4
4 5 6
9
1 5 ⁄ 16 to 1 5 ⁄ 8 1 11 ⁄ 16 to 2 2 1 ⁄ 16 to 2 1 ⁄ 2
2 1 ⁄ 4 2 1 ⁄ 2 2 3 ⁄ 4
3 ⁄ 4
1 ⁄ 2 5 ⁄ 8 3 ⁄ 4
7 ⁄ 8
13 ⁄ 16 to 1 1 1 ⁄ 16 to 1 1 ⁄ 4
1 1 ⁄ 8 1 3 ⁄ 8
9 1 ⁄ 2
3 1 ⁄ 2 3 3 ⁄ 4
10
a American National Standard self-holding tapers (see Table 7a on page 1020 ). All dimensions are given in inches. These arbors are designed to fit standard shell reamers (see table). End that fits reamer has taper of 1 ⁄ 8 inch per foot. Stub Screw Machine Reamers—Helical Flutes ANSI/ASME B94.2-1995 (R2015)
D H
3 8
B
A
Dia. of Shank
Size of Hole Flute No.
Dia. of Shank
Size of Hole Flute No.
Length of Flute
Length of Flute
Length Overall
Length Overall
Series No.
Diameter Range .0600-.066 .0661-.074 .0741-.084 .0841-.096 .0961-.126 .1261-.158 .1581-.188 .1881-.219 .2191-.251 .2511-.282 .2821-.313 .3131-.344 .3441-.376
Series No.
Diameter Range .3761- .407 .4071- .439 .4391- .470 .4701- .505 .5051- .567 .5671- .630 .6301- .692 .6921- .755 .7551- .817 .8171- .880 .8801- .942 .9421-1.010
A B D H
A B D H
4 4 4 4 4 4 4 6 6 6 6 6 6
12 13 14 15 16 17 18 19 20 21 22 23
6 6 6 6 6 6 6 8 8 8 8 8
00
1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 2 1 1 ⁄ 2 1 1 ⁄ 2 1 1 ⁄ 2 1 1 ⁄ 2 1 1 ⁄ 2 1 1 ⁄ 2 1 1 ⁄ 2
2 1 ⁄ 2 2 1 ⁄ 2 2 1 ⁄ 2 2 1 ⁄ 2
1 3 ⁄ 4 1 3 ⁄ 4 1 3 ⁄ 4 1 3 ⁄ 4 2 1 ⁄ 4 2 1 ⁄ 4 2 1 ⁄ 4 2 1 ⁄ 4 2 2 1 ⁄ 4 2 1 ⁄ 4 2 1 ⁄ 2 2 1 ⁄ 2
1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 3 ⁄ 4
1 ⁄ 8 1 ⁄ 8 1 ⁄ 8 1 ⁄ 8 1 ⁄ 8 1 ⁄ 4 1 ⁄ 4 1 ⁄ 4 1 ⁄ 4 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8 3 ⁄ 8
1 ⁄ 16 1 ⁄ 16 1 ⁄ 16 1 ⁄ 16 1 ⁄ 16 3 ⁄ 32 3 ⁄ 32 3 ⁄ 32 3 ⁄ 32
1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 5 ⁄ 8 5 ⁄ 8 5 ⁄ 8 3 ⁄ 4 3 ⁄ 4 3 ⁄ 4 3 ⁄ 4 3 ⁄ 4
3 ⁄ 16 3 ⁄ 16 3 ⁄ 16 3 ⁄ 16
0 1 2 3 4 5 6 7 8 9
3 3 3 3 3 3 3 3
1 ⁄ 4 1 ⁄ 4 1 ⁄ 4
1 1 1 1 1 1
5 ⁄ 16 5 ⁄ 16 5 ⁄ 16 5 ⁄ 16 5 ⁄ 16
1 ⁄ 8 1 ⁄ 8 1 ⁄ 8 1 ⁄ 8
10 11
1 1 ⁄ 4 1 1 ⁄ 4
… … … … … … …
All dimensions in inches. Material is high-speed steel. These reamers are standard with right-hand cut and left-hand helical flutes within the size ranges shown. Tolerances: On diameter of reamer, for sizes 00 to 7, incl., plus .0001 to plus .0004 inch and for sizes 8 to 23, incl., plus .0001 to plus .0005 inch. On overall length A , plus or minus 1 ⁄ 16 inch. On length of flute B , plus or minus 1 ⁄ 16 inch. On diameter of shank D , minus .0005 to minus .002 inch.
Copyright 2020, Industrial Press, Inc.
ebooks.industrialpress.com
Made with FlippingBook - Share PDF online