ASME B1.20.1-2006(翻译)

标准整体重编工作完成，

同时 完成的还有干密封锥管螺纹的量具标准中的螺纹数据独立文件。

该系统的编号

包括公制转

换

)

如下：

ANSI B1.20.3-1976

干密封管螺纹（英寸）

ANSI B1.20.4-1976

干密封管螺纹（公制转换）

ANSI B1.20.5-1978

干密封管螺纹的量具（英寸）

< /p>

正在编写中的

B1.20.6M

干密封管 螺纹的量具（公制转换）

当时进行 了对管螺纹

(

除干密封之外

)

的

B2.l-1968

标准的整体重编。

该系统的编号

(

包 括公制转换

)

具体如下：

ANSI/ASME B1.20.1

通用管螺纹（英寸）

正在编写中的

B1.20.2M

通用管螺纹（公制转换）

ANSI

/

ASME

B1.20.1

和

B1.20.2M

标准包括了产品螺纹尺寸和量具。螺纹检测明确了

L

1

锥形螺纹插塞和环规的应用与

B2.1-1968

标准相似。此外，重点是对所有基本的螺纹设计尺寸

规格的精确公差给予了规定。

本标准的数据代替

ANSI B2.1-1968

标准中的数据。

ANSI/ASME

B1.20.1

于

1982

年

12

月

1

日由

ASME

标准委员会

B1

批准为

ANS I

正式标准

并出版。

拟用的标准由标准委员会

B1

提交给秘书处和美国国家 标准协会。该标准于

1983

年

2

月

4

日被

批准并正 式指定为美国国家标准。

iii-1

ASME

标准委员会

B1

螺钉螺纹的标准化和通用化

(

以下是参与审批本标准的委员会成员名册

)

编委会

lli

主席

n

副主席

秘书

编委会成员

美国航空航天工业协会有限公司

G. G. Gerber, McDonnell Douglas, St. Louis, Missouri

H. Borrman, Alternate, Sperry Gyroscope Division, Great Neck, New York

美国钢铁协会

F. Dallas, Jr., Sawhill Tubular Division, Sharon. Pennsylvania

美国量具制造商协会

D. Dodge, Pennoyer-Dodge Company, Glendale, California

C. W. Jatho, Alternate, American Measuring Tool Manufacturers Association,

Birmingham. Michigan

美洲管件协会

W. C. Farrell, Stockham Valves and Fittings, Birmingham, Alabama

国防工业供应中心

E. Schwartz, Defense Industrial Supply Center, Philadelphia, Pennsylvania

F. S. Ciccarone, Alternate, Defense Industrial Supply Center, Philadelphia, Pennsylvania

发动机制造商协会

G. A. Rua, Cummins Engine Company, Columbus, Indiana

农场和工业设备研究所

J. F. Nagy, Ford Motor Company, Dearborn, Michigan

工业紧固件研究所

R. B. Belford, Industrial Fasteners Institute, Cleveland, Ohio

R. M. Harris, Bethlehem Steel Company, Lebanon, Pennsylvania

K. E. McCullough, SPS Technologies, Inc., Jenkintown, Pennsylvania

J. C. McMurray, Russell, Burdsall and Ward Inc., Mentor, Ohio

J. A. Trilling, Holo-Krome Company, West Hartford, Connecticut

E. D. Spengler, Alternate, Bethlehem Steel Company, Lebanon, Pennsylvania

制造商标准化协会阀门及装修业

W. C. Farrell, Stockham Valves and Fittings, Birmingham, Alabama

< br>金属切削工具研究所（

TAP

和

DIE

科）

N. F. Nau, Union/Butterfield, Athol, Massachusetts

A. D. Shepherd, Jr., Alternate, Union/Butterfield, Derby Line, Vermont

全国自动喷水灭火和火灾控制协会有限公司

W. Testa, Grinnell Fire Protection Systems Company, Inc., Providence, Rhode Island

iv-1

R. P. Fleming, Alternate, National Automatic Sprinkler and Fire Control Association, Inc.,

Patterson, New York

D.C.

Ohio

Virginia

全国电器制造商协会

J. L. Griffin, Wheatland Tube Company, Wheatland, Pennsylvania

J. B. Levy, General Electric Company, Schenectady, New York

F. F. Weingruber, Westinghouse Electric Corp., Pittsburgh, Pennsylvania

W. R. Williford, Alternate, National Electrical Manufacturers Association, Washington,

全国机床制造商协会

R. J. Sabatos, The Cleveland Twist Drill Company, Cleveland, Ohio

D. R. Stoner, Jr., Teledyne Landis Machine, Waynesboro, Pennsylvania

全国螺杆机产品协会

T. S. Meyer, Fischer Special Manufacturing Company, Cold Spring, Kentucky

H. A. Eichstaedt, A/ternate, National Screw Machine Products Association, Brecksville,

汽车工程师协会

H. W. Ellison, General Motors Technical Center, Warren, Michigan

制造工程师协会

D. Davidson, Morse/Hemco Corp., Holland, Michigan

管状铆钉及机械研究所

R. M. Byrne, Industry Service Bureaus, Inc., White Plains, New York

美国商务部空军

R. P. Stewart, Wright-Patterson AFB, Dayton, Ohio

美陆军部

J. Crowley, U.S. Army Material Development and Readiness Command, Alexandria,

F. J. Clas, Watervliet Arsenal, Watervliet, New York

F. L. Jones, Alternate, U. S. Army Missile Command, Redstone Arsenal, Alabama

美国国防部

tz, Defense Industrial Supply Center, Philadelphia, Pennsylvania

美海军部

son, Portsmouth Naval Shipyard, Portsmouth, New Hampshire

个人会员

C. T. Appleton, Jefferson, Massachusetts

D. N. Badgley, Clark Equipment Company, Battle Creek, Michigan

J. Boehnlein, PMC Industries, Wickliffe, Ohio

W. E. Bour, Santa Monica, California

A. R. Bred, Mechanical Fasteners and Assembly, Lakewood, Ohio

R. Browning, Southern Gage Company, Erin, Tennessee

A. Butovich, Air Industries Corp., Garden Grove, California

R. S. Chamerda, The Johnson Gage Company, Bloomfield, Connecticut

v-1

J. F. Cramer, Des Moines, Washington

J. F. Dickson, Reed Rolled Thread Die Company, Holden, Massachusetts

R. B. Donahue, Xerox Corp., Webster, New York

E. W. Drerher, Lancaster, Pennsylvania

0. J. Emanuelli, Greenfield Tap and Die, Greenfield, Massachusetts

C. G. Erickson, Colt Industries, Sterling Die Operation, West Hartford, Connecticut

S. I. Kanter, The Hanson-Whitney Company. Hartford, Connecticut

R. W. Lamport, The Van Keuren Company, Watertown, Massachusetts

A. R. Machell, Jr., Xerox Corp., Rochester, New York

A. E. Masterson, Watervliet, New York

R. E. Mazzara, Geometric Tool, New Haven, Connecticut

H. G. Muenchinger, Westerly, Rhode Island

P. V. Pastore, Regal Beloit Corp., South Beloit, Illinois

M. M. Schuster, Hi-Shear Corp., Torrance, California

A. G. Strang, Boyds, Maryland

L. R. Strang, Caterpillar Tractor Company, Peoria, Illinois

A. F. Thibodeau, Swanson Tool Manufacturing, Inc., West Hartford, Connecticut

J. Turton, The Bendix Corp., Greenfield, Massachusetts

B1.20-

管螺纹附属委员会人员

D. N. Badgley, Chairman, Clark Equipment Company, Battle Creek, Michigan

W. A. Keaton, Vice-Chairman, General Motors Technical Center, Warren, Michigan

J. S. Hinske, Secretary, Parker- Hannifin Corp., Worcester, Massachusetts

C. Banks, Naval Sea System Command, Washington, D.C.

M. Bibeau, Jamesbury Corp., Worcester, Massachusetts

R. J. Browning, Southern Gage Company, Erin, Tennessee

D. Cadieux, TRWlGreenfield Tap & Die Division, Greenfield, Massachusetts

J. A. Casner, Hydril Technology Center, Houston, Texas

W. 0. Clinedinst, Belleair, Florida

W. R. Cochran. J&L Steel Corp., Aliquippa, Pennsylvania

F. Dallas. Jr., Sawhill Tubular Division, Cyclops Corporation, Sharon, Pennsylvania

D. Davidson, MorselHemco Corp., Holland, Michigan

D. Dodge, Pennoyer-Dodge Company, Glendale, California

W. C. Farretl, Jr., Stockham Valves & Fittings, Birmingham, Alabama

L. S. Feldheim. The Weatherhead Company, Cleveland, Ohio

A. C. Flanders, Picoma Industries, Inc., Martins Ferry, Ohio

W. A. Franz, U. S. Steel Corp., Pittsburgh, Pennsylvania

H. D. Goldberg, Allied Tube 81 Conduit Corp., Harvey, Illinois

W. E. Hay, The Pipe Machinery Company, Wickliffe, Ohio

S. 1. Kanter, The Hanson-Whitney Company, Hartford, Connecticut

G. K. Otten, Wheeling Machine Products Company, Wheeling, West Virginia

R. S. Piotrowdti, Mack Trucks, Inc., Alientown, Pennsylvania

G. Russ, Cummins Engine Company, Inc., Columbus, Indiana

A. D. Shepherd, Jr., Litton UnionlButterfield, Derby Line, Vermont

A. G. Strang, Boyds, Maryland

J. Turton, The Bendix Corp., Inc., Greenfield, Massachusettts

vi-1

目

录

前

言

.

... .................................................. .................................................. .................................................. . II

1

引言

.

.. .................................................. .................................................. .................................................. ....

1

1.1

适用范围

....................... .................................................. .................................................. .................. 1

1.2

螺纹的标注符号

.................... .................................................. .................................................. ......... 1

1.3

密封

......................... .................................................. .................................................. ........................ 1

1.4

检修

.................................................. .................................................. ................................................. 1

1.5

附录

......................... .................................................. .................................................. ........................ 1

1.6

相关标准

....................... .................................................. .................................................. .................. 1

2

美国国家标准管螺纹结构

................ .................................................. .................................................. .....

4

2.1

螺纹结构

....................... .................................................. .................................................. .................. 4

2.2

螺纹牙型角

...................... .................................................. .................................................. ............... 4

2.3

削平高度和牙高

.................... .................................................. .................................................. ......... 4

3

通用< /p>

NPT

锥管螺纹规格

......... .................................................. .................................................. ...............

4

3.1

锥管螺纹

....................... .................................................. .................................................. .................. 4

3.2

公差

.................................................. .................................................. ................................................. 9

4 NPSC

管连接中的圆柱内螺纹规格

........... .................................................. ..............................................

9

4.1

管连接的圆柱管螺纹

.................. .................................................. .................................................. ... 9

5 NPTR

锥管螺纹螺柱联接

.

.......................................... .................................................. ..............................

9

5.1

螺柱联接

....................... .................................................. .................................................. .................. 9

6 NPSM< /p>

，

NPSL

，

N PSH

机械联接圆柱管螺纹规格

.............. .................................................. .................

1

3

6.1

圆柱管螺纹

...................... .................................................. .................................................. ..............13

6.2

NPSM

夹具的自由配合机械联接

. .................................................. .................................................. 13

6.3

NPSL

防松螺母的松动配合机械联

.

........................... .................................................. .....................13

6.4

NPSH

软管联接器的松动配合机械联接

...................... .................................................. ..................16

7

美国国家标准管螺纹量具和测量公差

........... .................................................. ......................................

1

6

7.1

量具的设计

...................... .................................................. .................................................. ..............16

7.2

量具类型

....................... .................................................. .................................................. .................16

7.3

测量公差

....................... .................................................. .................................................. .................18

7.4

导程和牙型角偏差与量具中径公差的联系

.

.................................... ................................................18

8

锥管螺纹的测量

......... .................................................. .................................................. ..........................

1

8

8.1

外锥螺纹的测量

.................... .................................................. .................................................. ........18

8.2

内锥螺纹的测量

.................... .................................................. .................................................. ........18

8.3

测量操作

....................... .................................................. .................................................. .................18

8.4

倒角、沉孔或凹槽螺纹的测量

.............. .................................................. ........................................18

< br>

9

圆柱管螺纹的测量

......................................... .................................................. ........................................

2

2

9.1

量具类型

....................... .................................................. .................................................. .................22

9.2

量具尺寸规格

..................... .................................................. .................................................. ...........22

附

录

.

............................. .................................................. .................................................. .......................

2

3

vii-1

图

图

.1

美国国家标准锥管螺纹基本结构

............. .................................................. .........................................

2

图

2 < /p>

美国国家标准

-

用于压力密封的