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Bieži izmantotā cietības salīdzināšanas tabula

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HRA, HRC, HV terminu skaidrojums
1,HRA urbis ir 120+-0,5° dimanta konisks korpuss ar augšējo izliekumu 0,2+-0,002 mm un slodzi 60 kg.
2,HRC urbis ir 120+-0,5° dimanta konisks korpuss ar augšējo izliekumu 0,2+-0,002mm un slodzi 150kg
3 , 136 ° četrstūra piramīdas dimanta urbja HV diagonālā virsma, cietības vērtība ir īpašais spiediens uz ievilkuma vienības laukumu, slodze ir 50/100 gramu spēks, ievilkuma laukums ir vairāki um, vērtība ir kg / 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      

Publicēšanas laiks: 18.04.2024