ASME B1.22M 1985 R2016
$98.04
ASME B1.22M Gages and Gaging for MJ Metric Screw Threads
| Published By | Publication Date | Number of Pages |
| ASME | 1985 | 156 |
This Standard provides essential specifications and dimensions for the gages used on MJ series metric screw threads, and covers the specifications and dimensions for the thread gages and measuring equipment listed in Tables 1 and 2. The basic purpose and use of each gage are also described. For easy reference, customary conversion of metric tables has been incorporated in Appendix D. The Appendices contain useful information that is supplementary to the sections of this Standard.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 5 | Foreword |
| 7 | Standards Committee Roster |
| 11 | Contents |
| 17 | 1 Introduction 1.1 General 1.2 References 1.3 Units of Measure 1.4 Classification 1.5 Federal Government Use 2 Basic Principles 2.1 Accuracy in Gaging 2.2 Limitations of Gaging |
| 18 | 1 Screw Thread Gages and Measuring Equipment for External Product Thread Characteristics |
| 22 | 2 Screw Thread Gages and Measuring Equipment for Internal Product Thread Characteristics |
| 26 | 2.3 Determining Size of Gages 2.4 Standard Temperature 2.5 Rounding Procedures 2.6 Identification 3 General Practice 3.1 General Design |
| 27 | 3.2 Types of Gages 3.3 Interpretation of Tolerances 3.4 Direction of Tolerances on Gages 3.5 Standard Thread Gage Tolerances 3.6 Tolerance on Lead 3.7 Tolerances on Half-Angle 3.8 Check of Effect of Lead and Flank Angle Variations on Product Thread |
| 28 | 3.9 Calibration Requirements and Standards 3.10 Surveillance 4 Types of Gages for Product Internal Thread 4.1 GO Working Thread Plug Gages |
| 29 | 4.2 NOT GO Thread Plug Gages 1 Maximum-Material GO Functional Limit |
| 30 | 2 Partial End Threads and Chip Grooves 3 Recommended Widths for Chip Grooves |
| 31 | 3 NOT GO Functional Diameter Limit |
| 32 | 4.3 Full-Form GO Thread Plug Gage 4 MJ Full-Form Thread Plug Gage |
| 33 | 4 Thread Data, MJ Full-Form Thread Gages |
| 34 | 4.4 Thread Snap Gages – GO Segments or Rolls |
| 35 | 5 Thread Snap Gages – Maximum-Material GO Functional Limit |
| 36 | 5 Gages for Standard Thread Series Metric MJ Screw Threads – Limits of Size |
| 42 | 4.5 Thread Snap Gages – NOT GO Segments or Rolls 4.6 Thread Snap Gages – Minimum Material: Pitch Diameter Cone and Vee |
| 43 | 6 Thread Snap Gages – NOT GO Functional Diameter Limit |
| 44 | 7 Thread Snap Gages – Minimum-Material Pitch Diameter Limit – Cone and Vee |
| 45 | 6 Setting Gages for Standard Series Metric MJ Screw Threads – Limits of Size |
| 52 | 7 Specifications and Format for Table 5 – Limits of Size of Threaded and Plain Gages for Metric MJ External and Internal Threads |
| 53 | 8 Specifications and Format for Table 6 – Limits of Size of Thread-Setting Gages for Metric MJ Thread-Working Gages |
| 54 | 9 X Gage Tolerances for Thread Gages |
| 55 | 4.7 Thread Snap Gages – Minimum Material: Thread-Groove Diameter Type 4.8 Thread-Setting Solid Ring Gages |
| 56 | 4.9 Plain Plug, Snap, and Indicating Gages to Check Minor Diameter of Internal Thread 8 Thread Snap Gages – Minimum-Material Thread-Groove Diameter Limit |
| 57 | 9 Thread Form of Solid Thread-Setting Ring Gages |
| 58 | 10 W Gage Tolerances for Thread Gages |
| 59 | 10 Minor Diameter Limit |
| 60 | 4.10 Snap and Indicating Gages to Check Major Diameter of Internal Thread 4.11 Functional Indicating Thread Gages for Internal Thread 11 Gage Tolerances for Plain Cylindrical Gages |
| 61 | 11 Indicating Plain Diameter Gages – Max.-Min. Minor Diameter Limit and Size |
| 62 | 12 Snap and Indicating Diameter Gages – Max.-Min. Major Diameter Limit and Size |
| 63 | 4.12 Minimum-Material Indicating Thread Gages for Internal Thread 4.13 Indicating Runout Thread Gage for Internal Thread |
| 64 | 13 Indicating Thread Gages – Maximum-Material GO Functional Limit and Size |
| 65 | 14 Indicating Thread Gages – Minimum-Material Pitch Diameter Limit and Size – Cone and Vee |
| 66 | 15 Indicating Thread Gages – Minimum-Material Pitch Diameter Limit and Size – Ball and Radius |
| 67 | 4.14 Differential Gaging |
| 68 | 16 Indicating Thread Gages – Diameter Runout – Minor to Pitch Diameter |
| 69 | 4.15 Cumulative Form Gaging 4.16 Pitch Micrometers 4.17 Thread-Measuring Balls 4.18 Optical Comparator and Toolmaker’s Microscope |
| 70 | 17A Internal Imperfect Screw Thread |
| 71 | 17B Internal Perfect Screw Thread |
| 72 | 4.19 Profile Tracing Instrument 4.20 Surface Roughness Equipment 4.21 Roundness Equipment 4.22 Miscellaneous Gages and Gaging Equipment 18 Inside Micrometer, Caliper Type |
| 73 | 5 Types of Gages for Product External Thread 5.1 GO Working Thread Ring Gages 19 Maximum-Material GO Functional Limit |
| 74 | 5.2 Adjustable NOT GO Thread Ring Gages |
| 75 | 5.3 Thread Snap Gages – GO Segments or Rolls 20 NOT GO Functional Diameter Limit |
| 76 | 5.4 Thread Snap Gages – NOT GO Segments or Rolls |
| 77 | 21 Thread Snap Gages – Maximum-Material GO Functional Limit |
| 78 | 22 Thread Snap Gages – NOT GO Functional Diameter Limit |
| 79 | 5.5 Thread Snap Gages – Cone and Vee 5.6 Thread Snap Gages – Minimum Material: Thread-Groove Diameter Type |
| 80 | 23 Thread Snap Gages – Minimum-Material Pitch Diameter Limit – Cone and Vee |
| 81 | 5.7 Plain Ring and Snap Gages to Check Major Diameter of Product External Threads 24 Thread Snap Gages – Minimum-Material Thread-Groove Diameter Limit |
| 82 | 5.8 Snap Gages for Minor Diameter of Product External Threads 5.9 Functional Indicating Thread Gages for External Thread 25 Major Diameter Limit |
| 83 | 26 Minor Diameter Limit, Snap Type |
| 84 | 5.10 Minimum-Material Indicating Thread Gages for External Thread |
| 85 | 27 Indicating Thread Gages – Maximum-Material GO Functional Diameter Limit and Size |
| 86 | 28 Indicating Thread Gages – Minimum-Material Pitch Diameter Limit and Size – Cone and Vee |
| 87 | 29 Indicating Thread Gages – Minimum-Material Thread-Groove Diameter Limit and Size |
| 88 | 5.11 Indicating Runout Gage for External Thread 5.12 Differential Gaging |
| 89 | 30 Indicating Thread Gages – Diameter Runout – Major to Pitch Diameter |
| 90 | 31A External Imperfect Screw Thread |
| 91 | 31B External Perfect Screw Thread |
| 92 | 5.13 Cumulative Form Gaging 5.14 W Tolerance Thread-Setting Plug Gages |
| 93 | 32 Thread Form of Truncated Thread-Setting Plug Gages |
| 94 | 33 Thread Form of Full-Form Thread-Setting Plug Gages |
| 95 | 5.15 Plain Check Plug Gages for Thread Ring Gages |
| 96 | 5.16 Indicating Plain Diameter Gages – Major Diameter of Product External Threads 5.17 Indicating Gages to Check Minor Diameter of External Thread 5.18 Thread Micrometers 5.19 Thread-Measuring Wires |
| 97 | 34 Indicating Plain Diameter Gages – Max.-Min. Major Diameter Limit and Size |
| 98 | 35 Indicating Diameter Gages – Max.-Min. Minor Diameter Limit and Size |
| 99 | 5.20 Optical Comparator and Toolmaker’s Microscope 5.21 Profile Tracing Instrument 5.22 Electromechanical Lead Tester |
| 100 | 12 Constants for Computing Thread Gage Dimensions |
| 101 | 13 Calibration Requirements and Standards for X Tolerance Thread Gages, Indicating Gages, Plain Gages, and Measuring Equipment for External Product Threads |
| 106 | 14 Calibration Requirements and Standards for X Tolerance Thread Gages, Indicating Gages, Plain Gages, and Measuring Equipment for Internal Product Threads |
| 109 | 15 Calibration Requirements for Thread- and Plain-Setting Gages |
| 110 | 5.23 Helical Path Attachment Used With GO Type Thread Indicating Gage 5.24 Helical Path Analyzer 5.25 Surface Roughness Equipment 5.26 Roundness Equipment 36 Indicating Gages – Helical Path Attachment Used With GO Type Indicating Gage |
| 111 | 5.27 Miscellaneous Gages and Gaging Equipment |
| 113 | A Calibration and Inspection of Limit Gages, Snap Gages, Indicating Gages, and Measuring Instruments A1 General A2 Thread Plug Gage Calibration |
| 114 | A3 Thread Ring Gage Inspection A1 Minimum Magnification |
| 115 | A2 60 deg. Included Thread Angle |
| 116 | A4 Plain Plug Gage Calibration |
| 117 | A5 Plain Ring Gage Calibration A6 Plain Snap Gages A7 Rolls With Zero Lead Thread Form Used on Snap and Indicating Gages A8 Inspecting Peripheral Contacting Segments on Indicating Gages |
| 119 | A9 Check for Magnification Discrepancies Due to Indicating System Linkage A10 Calibration of Dial and Electronic Indicators A11 Assessment of Surface Quality |
| 121 | B Metrology of 60 deg. Screw Threads B1 Wire Method of Measurement of Pitch Diameter (Thread-Groove Diameter) B2 Size of Wires B3 Methods of Measuring Wires Considering the Effect of Deformation |
| 122 | B1 A Three-Wire Method of Measuring Pitch (Thread-Groove) Diameter of Thread Plug Gages |
| 123 | B1 Metric Thread-Measuring Wires for 60 deg. Screw Threads B2 Measuring Force for Over-Wire Measurements of External Pitch Diameter and Wire Calibration, and Cylindrical Diameter for Wire Calibration |
| 124 | B4 Methods of Measurement Using Wires B5 Standard Specification for Wires and Standard Practice in Measurement of Wires of 60 deg. Threads |
| 125 | B6 General Formula for Measurement of Pitch Diameter B7 Simplified Formula for Pitch Diameter |
| 126 | B8 Setting Measuring Instruments With Variable Measuring Force B9 Thread Balls B10 Internal Pitch Diameter Measurement B3 Measuring Force Over Balls for Internal Pitch Diameter Measurement and Ball Calibration |
| 127 | C Metric Tables for Gage Lengths C1 Metric Lengths of AGD Thread Ring Gage Blanks and Total Thread Lengths of Standard Truncated Setting Plug Gage Blanks (SI) Selected From ANSI/ASME B47.1aM |
| 128 | C2 Metric Lengths of Taperlock and Trilock Thread Plug Gage Blanks (SI) Selected From ANSI/ASME B47.1aM |
| 129 | D Customary Equivalents |
| 130 | D1 Thread Data, MJ Thread Gages (Customary) |
| 131 | D2 X Gage Tolerances for Thread Gages (Customary) |
| 132 | D3 W Gage Tolerances for Thread Gages (Customary) |
| 133 | D4 Gage Tolerances for Plain Cylindrical Gages (Customary) |
| 134 | D5 Lengths of Taperlock and Trilock Thread Plug Gage Blanks Selected From ANSI/ASME B47.1aM (Customary) |
| 135 | D6 Lengths of Thread Ring Gage Blanks and Total Thread Lengths of Standard Truncated Setting Plug Gage Blanks Selected From ANSI/ASME B47.1aM (Customary) |
| 136 | D7 Setting Gages for Standard Series Metric MJ Screw Threads – Limits of Size (Customary) |
| 143 | D8 Gages for Standard Thread Series Metric MJ Screw Threads – Limits of Size (Customary) |
| 149 | D9 Metric Thread-Measuring Wires for 60 deg. Screw Threads (Customary) |
| 151 | E Thread Diameter Adjustment Due to Temperature Variation E1 Scope E2 Thread Diameter Adjustment for Temperatures Above and Below Standard |
