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Abstract <p>The nominal and permissible geometric parameters for defect detection and incoming quality inspection of crankshaft thrust bearing half-rings for engines manufactured by the Yaroslavl Motor Plant are considered. Based on the estimate of the defect parameters, it is recommended to replace the MK-25 micrometer used for inspection with a SI-25TsG caliper indicator with a digital head with a reading accuracy of 0.001 mm.</p>

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Possibility to Use a Digital Measuring Instrument for Monitoring the Thrust Half-Ring of the Crankshaft of the Yaroslavl Motor Plant Engine

  • 期刊论文

  • 发表日期：

    2026年4月5日

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  • O. A. Leonov,
  • N. Zh. Shkaruba,
  • Yu. G. Vergazova,
  • V. O. Leonov

摘要

Abstract

The nominal and permissible geometric parameters for defect detection and incoming quality inspection of crankshaft thrust bearing half-rings for engines manufactured by the Yaroslavl Motor Plant are considered. Based on the estimate of the defect parameters, it is recommended to replace the MK-25 micrometer used for inspection with a SI-25TsG caliper indicator with a digital head with a reading accuracy of 0.001 mm.