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Салам, Zhuzhou Chuangrui Cemented Carbide Co., Ltd компаниясына кош келиңиз.

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Көбүнчө колдонулган катуулукту салыштыруу таблицасы

а

HRA, HRC, HV терминдерин түшүндүрүү
1,HRA бургу бит 120+-0,5° алмаз конус корпусу, үстүнкү ийрилиги 0,2+-0,002мм жана жүктү 60кг.
2,HRC бургу бит 120+-0,5° алмаз конус корпусу, үстүнкү ийрилиги 0,2+-0,002мм жана жүк 150Кг
3,136° төрт бурчтуу пирамиданын бриллиант бургусунун HV диагоналдык бети, катуулугу чегинүү бирдигинин аянтына салыштырмалуу басым, жүк 50/100 грамм күч, чегинүү аянты бир нече um, мааниси кг/мм

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      

Посттун убактысы: 18-апрель-2024