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Tabl cymharu caledwch a ddefnyddir yn gyffredin

a

Eglurhad o delerau HRA, HRC, HV
1, Mae'r darn dril HRA yn gorff conigol diemwnt 120 + -0.5 °, gyda chrymedd uchaf o 0.2 + -0.002mm a llwyth o 60Kg.
2, Mae'r darn dril HRC yn gorff conigol diemwnt 120 + -0.5 °, gyda chrymedd uchaf o 0.2 + - 0.002mm a llwyth o 150Kg
3, wyneb croeslin HV o bit dril diemwnt pyramid pedwaronglog 136 °, gwerth caledwch yw'r pwysau penodol ar ardal yr uned mewnoliad, y llwyth yw grym 50/100 gram, mae'r ardal fewnoliad yn sawl um, y gwerth yw 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      

Amser post: Ebrill-18-2024