This part of ISO 3548 specifies, according to ISO 12301, the checking of the peripheral length of thin-walled half bearings with or without flange, and describes the necessary checking methods and measuring equipment.<\/p>\n
Thin-walled half bearings are flexible and, in the free condition, do not conform to a cylindrical profile. This is one reason the peripheral length of the half bearings can only be measured under a constraining load by use of specialized measuring equipment.<\/p>\n
In addition, measuring equipment different from that illustrated in this part of ISO 3548 can be used, provided the measuring accuracy of the equipment is consistent with the specifications given in Clause 17.<\/p>\n
This part of ISO 3548 does not include measurement of the parting line taper.<\/p>\n
This part of ISO 3548 applies to thin-walled half bearings, the specifications of which are given in ISO 3548-1.<\/p>\n
| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 7<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | 1\tScope 2\tNormative references 3\tTerms and definitions <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | Figure fig_1 Table tab_1 4\tSymbols <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | Table tab_2 5\tPurpose of checking <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | Table tab_a Figure fig_2 6\tChecking methods 6.1\tMethod A 6.2\tMethod B <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | Table tab_b Figure fig_3 7\tChoice and designation of checking method 7.1\tChoice of checking method <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | Table tab_3 7.2\tDesignation of checking method 8\tMeasuring equipment <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | Table tab_d Figure fig_4 <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | Table tab_e Figure fig_5 9\tMeasuring equipment requirements 9.1\tGeneral 9.2\tTolerance on checking load setting <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | Table tab_4 Table tab_5 9.3\tSpeed of approach of measuring head 9.4\tConstruction of measuring head 9.5\tAccuracy of the measuring plane for metering bars 9.6\tAccuracy of the dial gauge 10\tGauging tools for establishing the datum 10.1\tGeneral <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 10.2\tMaster checking block (used alone) 10.3\tSeries checking block used alone 10.4\tSeries checking block with master shell 11\tChecking block requirements 11.1\tGeneral <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | Table tab_f Figure fig_6 11.2\tReference tooling: master checking block\u00a0\u2014\u00a0General <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | Table tab_6 Table tab_7 <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | Table tab_8 11.3\tSeries gauging tools <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | Table tab_9 Table tab_10 Table tab_11 <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | Table tab_12 12\tMaster shell and comparison shell requirements 12.1\tMaster shell requirements <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | Figure fig_7 Figure fig_8 Table tab_13 <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | Table tab_14 Table tab_15 12.2\tComparison shell requirements <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | 13\tCorrection factors 13.1\tReference tooling: master checking block correction factor, Fcor,cbm 13.2\tSeries control tooling <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | 13.3\tMarking 13.4\tReference setting 14\tTypical checking procedure <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | 15\tConditions of the half bearings to be checked 16\tMeasuring errors 16.1\tErrors due to measuring equipment 16.2\tErrors due to the checking block <\/td>\n<\/tr>\n | ||||||
| 29<\/td>\n | 16.3\tErrors due to the correction factor 16.4\tErrors due to the half bearing 16.5\tError due to the choice of checking method 17\tAccuracy of methods used 17.1\tChecking conditions 17.2\tLimits 17.3\tCalculation 18\tSpecifications on bearing drawings 19\tSpecifications for the control of the checking means <\/td>\n<\/tr>\n | ||||||
| 30<\/td>\n | Table tab_16 Table tab_17 <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | Figure fig_A.1 Annex\u00a0A \n(normative)<\/p>\n Determination of the correction factor of the master checking block\u00a0\u2014 Method\u00a0A <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | Figure fig_A.2 Figure fig_A.3 <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | Figure fig_A.4 Figure fig_A.5 <\/td>\n<\/tr>\n | ||||||
| 34<\/td>\n | Figure fig_A.6 <\/td>\n<\/tr>\n | ||||||
| 35<\/td>\n | Figure fig_B.1 Annex\u00a0B \n(normative)<\/p>\n Determination of the correction factor of the master checking block\u00a0\u2014 Method\u00a0B <\/td>\n<\/tr>\n | ||||||
| 36<\/td>\n | Figure fig_B.2 Figure fig_B.3 <\/td>\n<\/tr>\n | ||||||
| 37<\/td>\n | Figure fig_B.4 <\/td>\n<\/tr>\n | ||||||
| 38<\/td>\n | Figure fig_B.5 <\/td>\n<\/tr>\n | ||||||
| 39<\/td>\n | Annex\u00a0C \n(normative)<\/p>\n Determination of the correction factor of the series checking block used alone <\/td>\n<\/tr>\n | ||||||
| 41<\/td>\n | Annex\u00a0D \n(normative)<\/p>\n Determination of the correction factor of the master shell or comparison shell <\/td>\n<\/tr>\n | ||||||
| 43<\/td>\n | Annex\u00a0E \n(normative)<\/p>\n Tests and calculation of repeatability, reproducibility and comparability <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Plain bearings. Thin-walled half bearings with or without flange – Measurement of peripheral length<\/b><\/p>\n |