This Standard is intended to provide the essential requirements for micrometers as a basis for mutual understanding between manufacturers and consumers. Outside, inside, and depth micrometers are described in the Standard. Table of Contents<\/p>\n
| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 5<\/td>\n | CONTENTS <\/td>\n<\/tr>\n | ||||||
| 6<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | ASME B89 COMMITTEE ROSTER <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | CORRESPONDENCE WITH THE B89 COMMITTEE <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | 1 SCOPE 2 DEFINITIONS 3 REFERENCES <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 4 MICROMETERS — GENERAL 4.1 General Design 4.2 Resolution 4.3 Finish 4.4 Identification Marking 4.5 Adjustments 4.6 Micrometers Screw Spindle 4.7 Measuring Faces 4.8 Graduations 4.9 Effect of Spindle Locking Device 4.10 Definition of an Indication 4.11 Temperature 4.12 Decision Rules 4.13 Traceability 4.14 Specifications <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 5 OUTSIDE MICROMETERS SEE FIG. 5-1 5.1 Frame 5.2 Measuring Faces 5.3 Spindle-Anvil Alignment 5.4 Maximum Permissible Errors MPE 5.4.1 Length Measurement Error. 5.4.2 Parallelism Error. 5.4.3 Repeatability. 5.5 Interchangeable Anvils 5.6 Setting Standards 5.7 Specialty Micrometers 6 INSIDE MICROMETERS SEE FIG. 6-1 6.1 Maximum Permissible Errors MPE Figures Fig. 5-1 Typical Outside Micrometer <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | Tables Table 5.1-1 Maximum Permissible Errors of Outside Micrometers (Metric System) Table 5.1-2 Maximum Permissible Errors of Outside Micrometers (Inch System) <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 7 DEPTH MICROMETERS SEE FIG. 7-1 7.1 Base 7.2 Measuring Rods 7.3 Maximum Permissible Errors MPE 7.3.1 Length Measurement Error. 7.3.2 Parallelism Error. Fig. 6-1 Typical Inside Micrometer Table 5.6-1 Metric-Measure Setting Standards Table 5.6-2 Inch-Measure Setting Standards Table 6.1-1 Maximum Permissible Errors of Inside Micrometers (Metric System) Table 6.1-2 Maximum Permissible Errors of Inside Micrometers (Inch System) <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 8 MICROMETERS WITH DIGITAL READOUT 8.1 Mechanical Digital See Fig. 8.1-1 8.2 Electronic Digital See Fig. 8.2-1 Fig. 7-1 Typical Depth Micrometer Fig. 8.1-1 Mechanical Digital Micrometer Fig. 8.2-1 Electronic Digital Micrometer Table 7.3.1-1 Maximum Permissible Errors of Depth Micrometers (Metric System) Table 7.3.1-2 Maximum Permissible Errors of Depth Micrometers (Inch System) <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | NONMANDATORY APPENDIX A GOOD OPERATING PROCEDURE A-1 GENERAL A-2 MICROMETER, OUTSIDE A-2.1 Zero Setting, Mechanical Micrometer A-2.2 Zero Setting, Digital Micrometer A-2.3 Zero Setting, Large Micrometers A-2.4 Friction or Ratchet Stop A-2.5 Micrometer Stand A-2.6 How to Read the Micrometer A-2.6.1 Micrometer, Outside, Metric, 0.01 mm Resolution. A-2.6.2 Micrometer, Outside, Inch, 0.001 in. Resolution. A-3 MICROMETER, INSIDE A-3.1 Measuring Holes A-3.2 Measuring Large Pieces <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | A-4 MICROMETER, DEPTH A-4.1 Hand Pressure A-4.2 Proper Reading of Graduation <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | NONMANDATORY APPENDIX B ENVIRONMENTAL CONSIDERATIONS B-1 GENERAL B-2 TEMPERATURE B-2.1 Reference Temperature B-2.2 Heat Transfer B-2.3 Working Temperature B-2.4 Difference Due to Dissimilar Materials B-2.5 Soak Time B-3 HUMIDITY B-4 CLEANLINESS <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | NONMANDATORY APPENDIX C TEST METHODS C-1 GENERAL C-1.1 Zero-Setting Check C-2 MICROMETERS, OUTSIDE C-2.1 Visual Inspection C-2.2 Flatness Check C-2.3 Length Measurement Error Test C-2.4 Parallelism Error Test for Micrometers 25 mm 1 in. or Less C-2.5 Parallelism Error Test for Large Micrometers C-2.6 Parallelism Error Test Using Optical Parallels C-2.7 Setting Standards Calibration <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | C-3 MICROMETERS, INSIDE C-3.1 Visual Inspection C-3.2 Length Measurement Error Test C-3.2.1 Fixed Length Inside Micrometer. C-3.2.2 Inside Micrometer With Interchangeable Rods. C-4 MICROMETER, DEPTH C-4.1 Visual Inspection C-4.2 Base Flatness Check C-4.3 Length Measurement Error Test <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | C-4.4 Parallelism Error Test C-4.5 Interchangeable Rods <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | NONMANDATORY APPENDIX D UNCERTAINTY FOR MICROMETER CALIBRATIONS D-1 INTRODUCTION D-2 INFORMATIVE REFERENCES D-3 MICROMETER PARAMETERS D-4 SOURCES OF ERROR D-5 COMMON PRACTICES D-5.1 General D-5.2 Performance Verification D-5.3 Gage Block Size D-5.4 Temperature Correction D-6 EXAMPLE UNCERTAINTY BUDGET D-6.1 0 mm to 25 mm Digital Outside Micrometer <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | D-6.2 Uncertainty Validity Conditions D-6.3 Reference Standard D-6.3.1 Gage Block Tolerance. D-6.3.2 Calibration Uncertainty D-6.3.3 Independency. D-6.4 Deviation From Reference Temperature D-6.4.1 General Equation. D-6.4.2 Uncertainty in Nominal CTE. D-6.4.3 Nominal CTE Difference. <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | D-6.5 Temperature Difference D-6.6 Combined and Expanded Uncertainty D-6.7 Conformance Test Application of Decision Rule D-7 LARGER MICROMETER EXAMPLE D-7.1 75 mm to 100 mm Digital Outside Micrometer D-7.2 Uncertainty Validity Conditions D-7.3 Short Gage Block Use D-7.4 Change in Average Temperature D-7.4.1 General Equation. <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | D-7.4.2 Uncertainty in Nominal CTE. D-7.4.3 Nominal CTE Difference. D-7.5 Change in Temperature Difference D-7.6 Wringing D-7.7 Combined and Expanded Uncertainty D-8 CONCLUSION <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | NONMANDATORY APPENDIX E COMPARISON WITH ISO 3611:2010 <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | How can you reach us? It\u0152s easier than ever! <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" ASME B89.1.13 – 2013(R2022) – Micrometers<\/b><\/p>\n |