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Jedwali la kulinganisha ugumu wa kawaida

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Maelezo ya HRA, HRC, Masharti ya HV
1, HRA kuchimba visima ni mwili wa almasi 120+-0.5 °, na curvature ya juu ya 0.2+-0.002mm na mzigo wa 60kg.
2, Kidogo cha kuchimba visima cha HRC ni mwili wa almasi wa 120+-0.5 °, na curvature ya juu ya 0.2+-0.002mm na mzigo wa 150kg
3, HV uso wa diagonal ya 136 ° quadrangular piramidi almasi kuchimba kidogo, thamani ya ugumu ni shinikizo maalum kwenye eneo la kitengo cha indentation, mzigo ni nguvu ya gramu 50/100, eneo la indentation ni UM kadhaa, thamani ni kilo/mm

HV HRC Hra HV HRC Hra HV HRC Hra
1700.0 80.5 92.5 528.0 51.0 76.0   31.0 66.0
1600.0 80.0 92.0 513.0 50.0 76.0 301.0 30.0 66.0
1550.0 79.0 91.5 498.0 49.0 76.0   29.0 65.0
1500.0 78.0 91.0   48.5 75.0   28.5 65.0
1450.0 77.0 90.5 485.0 48.0 75.0 285.0 28.0 65.0
1400.0 76.0 90.0   47.5 74.5   27.5 64.5
1350.0 75.0 89.5 471.0 47.0 74.0   27.0 64.0
1300.0 74.0 89.0 458.0 46.0 73.5   26.5 64.0
1250.0 73.0 88.5   45.0 73.0 271.0 26.0 64.0
1200.0 72.0 88.0 446.0 44.5 73.0   25.5 63.5
1150.0 71.5 87.5 435.0 44.0 73.0   25.0 63.0
1140.0 71.0 87.0   43.5 72.5   24.5 63.0
1076.0 70.0 86.5   43.0 72.0 257.0 24.0 62.5
1004.0 69.0 86.0 413.0 42.0 72.0   23.5 62.0
942.0 68.0 85.8   41.5 71.5   23.0 62.0
894.0 67.0 85.0   41.0 71.0   22.5 62.0
854.0 66.0 84.5   40.5 70.5   22.0 62.0
820.0 65.0 84.0 393.0 40.0 70.5   21.5 61.5
789.0 64.0 83.5   39.5 70.0   21.0 61.0
763.0 63.0 83.0   39.0 70.0   20.5 61.0
739.0 62.0 82.5   38.5 69.5 236.0 20.0 61.0
716.0 61.0 82.0 373.0 38.0 69.0 223.0 19.5 60.5
695.0 60.0 81.5   37.5 69.0 217.0 19.0 60.0
675.0 59.0 81.0   37.0 69.0   18.5 60.0
655.0 58.0 80.5   36.5 68.5 209.0 18.0 60.0
636.0 57.0 80.0 353.0 36.0 68.0 205.0   60.0
  56.5 79.5   35.5 68.0 197.0   59.0
617.0 56.0 79.0   35.0 67.5 195.0   58.0
598.0 55.0 78.0 334.0 34.5 67.0 191.0   57.5
580.0 54.0 78.0   34.0 67.0 186.0   56.0
562.0 53.0 78.0   33.5 67.0      
545.0 52.0 77.0 317.0 32.0 67.0      
  51.5 76.5   31.5 66.0      

Wakati wa chapisho: Aprili-18-2024