ANSI ASME B17.1-1967 KEYS AND KEYSEATS《键和键槽》.pdf
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1、USA STANDARD KEYS AND KEYSEATS USAS 517.1 - 1967 REAFFIRMED 4998 FOR CURRENT COMMllTEE PERSONNEL PLEASE SEE ASME MANUAL AS-11 -$mor The American Society of Mechanical Engineers THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS United Engineering Center 345 East 47th Street New York , N. Y. 10017 U SA STA
2、N DA RD This USA Standard is one of nearly 3000 standards approved as American Standards by the American Standards Association. On August 24, 1966, the ASA was re- constituted as the United States of America Standards Institute. Standards approved as American Standards are now designated USA Standar
3、ds. There is no change in their index identification or technical content. UDC 621.886.6 Copyrlght, 1968, by THE.AMERlCAN SOCIETY OF MECHANICAL ENGINEERS Prlnted in U.S.A. Foreword T HE individual USA Standards on Keys were firsr issued in the late 1920s. These were consolidated with the shafting st
4、andards in the 1934 publication, Standard Shafting and Stock Keys. A revised issue was published in 1943 and withdrawn in 1955 as it was not being sufficiently supported. However, a separate standard on Woodruff Keys, Keyslots, and Cutters (B17f- 1930) was reaffirmed in 1955. In 1962 the USA Standar
5、ds Committee B17 was reactivated and a sub- committee developed and established this standard based on current in- dustry standards. Following approval by the USA Standards Committee B17 and the sponsor, the proposed revision was approved on September IS, 1967 by the USA Standards Institute, and des
6、ignated B17.1-1967. 111 . USA Standards Committee B17 Keys and Keyseats OFFICERS U. P. Jennings, Chairman Roger Daniels, Secrefary COMMITTEE MEMBERS AMERICAN GEAR MANUFACTURERS ASSOCIATION G. L. Scott, American Gear Manufacturers Association, Washington, D.C. D. F. Wild, General Electric Company, Pa
7、terson, New Jersey AMERICAN SOCIETY OF MECHANICAL ENGINEERS, THE U. P. Jennings, E. I. DuPont de Nemours INT = Interference A To (Incl) 3-1/2 Square and 7 Rectangular key widths. All dimensions given in inches. Table 6 Keyseat Tolerances for Electric Motor and Generator Shaft Extensions KEYSEAT WIDT
8、H Over To (Incl) Width Tolerance DFptX Tolerance - -0.01 5 -0.002 +o . 000 +o . 000 3 /4 1 /4 -0.01 5 -0.001 +o;ooo +0.001 1 /4 3 /4 +o.ooo +o.ooo , 1-1/4 -0.003 -0.015 All dimensions given in inches. 9 USA STANDARD 7. ALIGNMENT TOLERANCES 0.010 MAX 1 I- g KEYSEAT e SHAFT - KEYSEAT 1 OFFSET r BORE I
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