1、ASME B1.3M ADOPTION NOTICE ASME B1.3M, “Screw Thread Gaging Systems for Dimensional Acceptability - Inch and Metric Screw Threads (UN, UNR, UNJ, M, and MJ) wa8 adopted on 10 March 1994 for use by the Departmens of Defense (DoD). Proposed changes by DoD activities must be submitted to the DoD Adoptin
2、g Activity: Defense Industrial Supply Center, ATTNt DISC-EPT, 700 Robbins Avenue, Philadelphia, PA 19111-5096. DoD activitiee may obtain copies of this standard from the Standardization Document Order Desk, 700 Robbins Avenue, Building 40, Philadelphia, PA 19111-5094. The private sector and other Go
3、vernment agencies may purchase copies from The American Society of Mechanical Engineers, United Engineering Center, 345 East 47nd Street, New York, NY 10017-2392 or The American National Standards Institute, 11 West 42nd Street, New York, NY 10036-8002. NOTE: Use of this standard is subject to all r
4、equirements and limitations of FED-STD-H28/20, Screw-Thread Standards for Federal Services, Section 20, Inspection Methods for Acceptability of UN, UNR, UNJ, M, and MJ Screw-Threads. Custodians: Army - AR Navy - AS Air Force - 99 Adopting Activity: DLA - IS Review Activities :, Army - AT, AV, ER, ME
5、, MI Navy - EC, OS, YD Air Force - 82 AREA THDS DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-Errata to ASME Bl.3M-
6、1992 The Errata corrections listed below apply to ASME B1.3M-1992, Screw Thread Gaging Systems for Dimensional Acceptability. This Errata is being issued in the form of replacement pages. Corrections are incorporated directly into the affected pages. Replace or insert the pages listed. It is also ad
7、visable that this cover page be retained for reference. The pages show the corrections given below. The pages not listed are the reverse sides of the listed pages and contain no changes. Page Location Change 5 Table 1 In Column J, , for 4.3.2, delete bullet 6 Table 1 (1) In column D, , for 4.9, dele
8、te bullet (2) In column D, , for 4.9, add bullet 8, 9 Table 2 11 Table 2 12 Table 3 (1) In column B, , for 1.1, delete bullet (2) Entries for 3.2 through 3.5 deleted (3) Column M heading should read Diam. Runout Minor to Pitch (1) Column M heading should read Diam. Runout (2) In column M, for 9, add
9、 bullet (1) For System 21: Minor to Pitch (a) column JI , add 9 (b) column J, add 9 9, 10 (a) column C, , add 9 (b) column C, add 9 (c) column J, , add 9 (d) column J, add 9 (a) column C, , add 9 (b) column C, add 9 (c) column JI , add 9 (d) column J, add 9 (e) column EJ, change 4, 10 to read 4.10 (
10、2) For System 21A, column L, change 9.10 to read (3) For System 22: (4) For System 23: THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS JULY 1994 345 East 47th Street, New York, N.Y. 10017 N9692E Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or network
11、ing permitted without license from IHS-,-Page Location 13 Table 4 Change (1) For SyFtem 21, column K, , add 9 (2) For System 22: (a) column A, , delete 2.1 (b) column C, J add 9 (c) column C, add 9 (d) column K2 J add 9 (a) column C, add 9 (b) column C, add 9 (c) column K2, add 9 (d) column E,-I, ch
12、ange 4, 10 to read 4.10 (e) In second column, next to last entry should read Runout minor diameter to pitch diameter (3) For System 23: Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-SCREW THREAD GA
13、GING SYSTEMS FOR DIMENSIONAL ACCEPTABILITY ASME B1.3M-1992 TABLE 1 SCREW THREAD GAGES AND MEASURING EQUIPMENT FOR EXTERNAL PRODUCT THREAD CHARACTERISTICS 4.1.1 Note (1 11 e 4.3.2 Note (1 11 e 4.3.1 Note (111 e 4.1.2 Note (1 11 e 4.5.1 e e e 4.52 e e NOTE: (1) Maximum minor diameter limit is acceptab
14、le when product passes GO gage on UN, UNR, UNJ, M, and MJ threads. 5 Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-ASME B1.3M-1992 SCREW THREAD GAGING SYSTEMS FOR DIMENSIONAL ACCEPTABILITY TABLE 1
15、SCREW THREAD GAGES AND MEASURING EQUIPMENT FOR EXTERNAL PRODUCT THREAD CHARACTERIS Thread Gages and Measuring Equipment 4.6.1 Minimum material -thread groove diameter type - cone or best wire size radius profile 120 deg. contact 4.6.2 Minimum material -thread groove diameter type - cone or best wire
16、 size radius profile I 180 deg. contact 4.7 Major diameter and pitch diameter runout gage Material NOT GO Functional Diameter U Func. Func. Limit Size :i- 4.8 Differential segments or rolls (GO profile for one pitch in length) used in combi- nation with GO/minimum material indicating gages to yield
17、a diameter equivalent for variations in lead (including uniformity of helix) and flank angle 4.9 Minimum material - B and C NOT GO rolls or seg- ments II 4.10 Cumulative form gaging - maximum-material and minimum-material dimensions collectively estab- lish cumulative form within limits defined by t
18、he applicable thread documents 5 Indicating Plain Diameter Gages 5.1 Major diameter type 5.2 Minor diameter type 6 Pitch Micrometer With Standard Contacts (Approxi- mately NOT GO Profile) Cone and Vee 0 7 Pitch Micrometer With Modified Contacts (Approxi- mately Pitch Diameter Contact) Cone and Vee 8
19、 Thread Measuring Wires With Suitable Measuring Means 9 Optical Comparator and Toolmakers Microscope With Suitable Fixturing 10 Profile Tracting Equipment With Suitable Fixturing 11 Lead Measuring Machine With Suitable Fixturing 12 Helical Path Attachment Used With GO Type Indicating Gage 13 Helical
20、 Path Analyzer 14 Plain Micrometer and Calipers - Modified as Reauired 15 Surface Measuring Equipment or Texture Comparison Soecimen II 16 Roundness Equipment IlII 17 Linear Measuring Machine With Required Accessories 18 Coordinate Measuring Machine With Required Accessories GENERAL NOTE: CS (CONTD)
21、 Minimum Material Boundary Flank Size - I D4 The notation NOT GO is used to indicate LO, MN/MT, and NOT GO gages as described by the respective gage standard. 6 Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license f
22、rom IHS-,-SCREW THREAD GAGING SYSTEMS FOR DIMENSIONAL ACCEPTABILITY ASME B1.3M-1992 TABLE 1 SCREW THREAD GAGES AND MEASURING EQUIPMENT FOR EXTERNAL PRODUCT THREAD CHARACTERISTICS (CONTD) Roundness of 4.6.1 4.62 P I + 4.1 O linder Multilobe Cylinder 120 deg. of Pitch Diameter Angle Helix Taper Lead F
23、lank Maior Minor Diam. Runout Oiameter Texture to Pitch Rad. Size Limit Size Limit Variation Variation Size Limit Size Limit Surface Major Root F1 N M L Kz KI J, JI I H G2 GI F2 O O O 8 O O O O O O O 8 O Cumulative Form 7 Copyright ASME International Provided by IHS under license with ASMENot for Re
24、saleNo reproduction or networking permitted without license from IHS-,-ASME B1.3M-1992 SCREW THREAD GAGING SYSTEMS FOR DIMENSIONAL ACCEPTABILITY TABLE 2 SCREW THREAD GAGES AND MEASURING EQUIPMENT FOR - INTERNAL PRODUCT THREAD CHARACTERISTICS Thread Gages and Measuring Equipment 1 Threaded Plug Gage
25、(ANSI 847.1) 1.1 GO 1.2 NOT GO 1.3 Full form gage GO plug (MJ only) 1.4 B and C NOT GO 3 Plain Diameter Gages - 3.l(a) Minimum (GO) plain cylindrical plug for minor diameter (b) Maximum (NOT GO) plain cylindrical plug for minor diameter 4 Indicating Thread Gages Having either two contacts r 180 deg.
26、 or three contacts C3 120 deg. 4.1.1 GO segments 120 deg. contact 4.1.2 GO segments Q 180 deg. contact 4.3.1 GO rolls 120 deg. contact 4.3.2 GO rolls 180 deg. contact 4.5.1 Minimum material - pitch diameter type - cone and vee J 120 deg. contact 4.5.2 Minimum material - pitch diameter type - cone an
27、d vee r 180 deg. contact 4.6.1 Minimum material - thread groove diameter type - cone or best wire size radius profile 120 deg. contact 4.6.2 Minimum material -thread groove diameter type - cone or best wire size radius profile Q 180 deg. contact 4.7 Minor diameter and pitch diameter runout gage 4.8
28、Differential segments or rolls (GO profile for one pitch in length) used in combi- nation with GO/minimum material indicating gages to yield a diameter equivalent for variations in lead (including uniformity of helix) and flank angle 4.9 Minimum material - B and C NOT GO rolls or seg- ments GENERAL
29、NOTE: Maximum Material Minimum Material I I .“ . _ The notation NOT GO is used to indicate LO, MN/MT, and NOT GO gages as described by the respective gage Standard. 8 Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without lic
30、ense from IHS-,-NOTE: (1) Minimum major diameter limit is acceptable when product passes GO gage. 9 Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-ASME 81.3M-1992 SCREW THREAD GAGING SYSTEMS FOR DIM
31、ENSIONAL ACCEPTABILITY TABLE 2 SCREW THREAD GAGES AND MEASURING EQUIPMENT FOR INTERNAL PRODUCT THREAD CHARACTERISTICS ICONTD) I Thread Gages and Measuring Equipment 4.10 Cumulative form gaging - maximum-material and minimum-material dimensions collectively estab- lish cumulative form within limits d
32、efined by the applicable thread documents 5 Indicating Plain Diameter Gages 5.1 Maior diameter tvDe 5.2 Minor diameter type 6 Pitch Micrometer With Standard Contacts (Approxi- 7 Pitch Micrometer With Modified Contacts (Approxi- mately NOT GO Profile) Cone and Vee mately Pitch Diameter Contact) Cone
33、and Vee 8 Thread Measuring Balls With Suitable Measuring Means 9 Optical Comparator and Toolmakers Microscope With Suitable Fixturing and Cast Replica 10 Profile Tracing Equipment With Suitable Fixturing 14 Surface Measuring Equipment or Texture Comparison Specimen 15 Roundness Equipment 16 Linear M
34、easuring Machine With Required Accessories 17 Coordinate Measuring Machine With Required Acces- GENERAL NOTE: sories 1 NOT GO Functional Thd. Groove Thread Minimum Material The notation NOT GO is used to indicate HJ, MN/MT, and NOT GO gages as described by the respective gage Standard. 10 Copyright
35、ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-SCREW THREAD GAGING SYSTEMS FOR DIMENSIONAL ACCEPTABILITY 4.1 O ASME B1.3M-1992 TABLE 2 SCREW THREAD GAGES AND MEASURING EQUIPMENT FOR INTERNAL PRODUCT THREAD CH
36、ARACTERISTICS (CONTDI Cumulative Form Roundness of Pitch Cylinder Taper Lead Incl, Flank Angle Oval Multilobe of Pitch Major Minor Diam. Runout 180 deg. 120 deg. Cylinder. Diameter Diameter Root Minor Surface Limit Size Limit Size Limit Size Variation Variation Limit Size Limit Size Rad. to Pitch Te
37、xture EEFFGG H I J JKKL M N 11 Copyright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-ASME B1.3M-1992 System 21 21A (For M Threads per ANSI B1.18M) 22 23 SCREW THREAD GAGING SYSTEMS FOR DIMENSIONAL ACCEPTAB
38、ILITY TABLE 3 GAGING SYSTEMS FOR EXTERNAL THREADS Dimensions Inspected (For dimensiodgage combinations to be used, refer ta Table 1.) GO maximum material NOT GO functional diameter Major diameter GO maximum-material boundary Minimum-material boundary B and C NOT GO Root profile Major diameter GO max
39、imum material Minimum material Pitch diameter or Thread groove diameter NOT GO functional diameter combined with control of Lead (including helix) and Flank angle (over the length of full thread) Major diameter Minor diameter (rounded root) Root profile GO maximum material Minimum material Pitch dia
40、meter or Thread groove diameter Major diameter Minor diameter Root profile Roundness of pitch cylinder: Oval 180 deg. Multilobe 120 deg. Taper of pitch cylinder Cumulative form variation Lead including helix variation Flank angle variation Runout major diameter to pitch diameter Surface texture l- A
41、pplicable Thread Gages and Measuring Eauipment AttributedFixed Limit Control 1.1, 2.1, 2.3, 4.1, 4.3 1.2, 2.2, 2.4, 4.1, 4.3. 6 3.l(a), 3.l(b), 3.2, 3.4, 5.1, 9, 14 1.1, 2.1, 2.3, 4.1, 4.3 2.7, 4.9 . 3.l(a), 3.l(b), 3.2, 3.4, 5.1. 14 1.1, 2.1, 2.3, 4.1, 4.3 2.5, 4.5, 7, 9 2.6, 4.6, 8 1.2, 2.2, 2.4,
42、4.1, 4.3. 6 . . Ll(a), 3.2, 3.4, 5.1, 9, Id 3.3, 3.5, 5.2, 9 . 1.1, 2.1, 2.3, 4.1, 4.3 2.5, 4.5, 7, 9 2.6, 4.6, 8 Ll(a), 3.2, 3.4, 5.1, 9, 1d 3.3, 3.5, 5.2, 9 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 4.1, 4.3, 4.5, 4.6, 4.8, 6, 7, 8, 9, 16 4.1, 4.3, 4.5, 4.6, 4.8, 9, 16 2.2, 2.4, 2.5, 2.6, 4.5, 4.6, 4.8, 6, 7,
43、 8 . . I Variables/lndicating Control 4.1, 4.3 4.1, 4.3, 6 5.1, 9, 14, 17, 18 4.1, 4.3 4.9 9, 10, 18 5.1, 14, 17, 18 4.1, 4.3 4.5, 7, 9, 17, 18 4.6, 8, 18 4.1, 4.3. 6 4.8, 9, 11, 12, 13, 17, 18 4.8, 9, 1 O, 18 5.1, 9, 14, 17, 18 5.2, 9, 17, 18 9, 10, 18 4. l. 4.3 4.5, 7, 9, 17, 18 4.6, 8, 18 5.1, 9,
44、 14, 17, 18 5.2, 9, 17, 18 9, 10, 18 4.1, 4.3, 4.5, 4.6, 4.8, 6, 7, 8, 9, 16, 17, 18 4.1, 4.3, 4.5, 4.6, 4.8, 9, 16,18 4.5, 4.6, 4.8, 6, 7, 8, 17, 18 4.10 4.8, 9, 11, 12, 13, 17, 18 4.8, 9, 1 O, 18 4.7, 9, 18 15 NOTE: (1) Only by agreement between purchaser and supplier on limits and/or methods. Cop
45、yright ASME International Provided by IHS under license with ASMENot for ResaleNo reproduction or networking permitted without license from IHS-,-SCREW THREAD GAGING SYSTEMS FOR DIMENSIONAL ACCEPTABILITY System 21 21A (For M Threads per ANSI B1.18M) 22 23 TABLE 4 GAGING SYSTEMS FOR INTERNAL THREADS
46、Dimensions Inspected (For dimensionlgage combinations to be used, refer to Table 2.) GO maximum material NOT GO functional diameter Minor diameter GO maximum-material boundan/ Minimum-material boundary B and C NOT GO Minor diameter GO maximum material Minimum material Pitch diameter or Thread groove
47、 diameter Orl I NOT GO functional diameter combined with control of: Lead (including helix) and Flank angle (over the length of full thread) Minor diameter GO maximum material Minimum material Pitch diameter Thread groove diameter or Minor diameter Roundness of pitch cylinder: Oval 180 deg. Multilob
48、e 120 deg. Taper of pitch cylinder Cumulative form variation Lead including helix variation Flank angle variation Runout minor diameter to pitch diameter Surface texture T ASME B1.3M-1992 Applicable Thread Gages and Measuring Equipment Attributes/Fixed Limit Control 1.1, 1.3, 4.1, 4.3 1.2, 4.1, 4.3,
49、 6 1.3, 3.l(a), 3.l(b), 3.3, 3.5, 5.2 1.1, 1.3, 4.1, 4.3 1.4, 4.9 1.3, 3.l(a), 3.1(b), 3.3, 3.5. 5.2 _ 1.1, 1.3, 4.1, 4.3 4.5, 7, 9 4.6, 8 1.2, 4.1, 4.3, 6 . 1.3. 3.l(a), 3.3, 3.5. 5.2 1.1, 1.3, 4.1, 4.3 4.5, 7, 9 4.6. 8 1.3, 3.l(a), 3.3, 3.5, 5.2 4.1, 4.3, 4.5, 4.6, 4.8, 6, 7, 8, 15 4.1, 4.3.4.5, 4.6, 4.8, 15 4.5, 4.6, 4.8, 6, 7. 8 . .
