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    模具钢厂家仍主要选择在热作模具钢

    来源:https://www.jnqhmj.com/ 日期:2021-05-24 发布人:admin


    压铸模具材料的选用,主要是依据铸造合金的浇注温度、组成型腔各零件的工作条件和材料货源或经济性而确定的。
    The selection of die-casting die materials is mainly based on the pouring temperature of casting alloy, the working conditions of each part of the forming cavity and the material supply or economy.
    对于锡铅锌合金、铝镁合金、铜合金和压铸黑色金属,由于各自的浇注温度差异较大,所选用的模具材料各不相同。从合金结构钢甚至低碳钢,到热作模具钢,以至采用钨基合金或各种难熔合金、耐热合金,不一而足。论述压铸模具钢的热处理,由于篇幅所限,模具钢厂家仍主要选择在热作模具钢范围展开讨论。
    For Sn Pb Zn alloy, Al Mg alloy, Cu alloy and die casting ferrous metal, due to the great difference of pouring temperature, the die materials used are different. From alloy structural steel and even low carbon steel, to hot work die steel, to the use of tungsten based alloy or various refractory alloy, heat-resistant alloy, etc. This paper discusses the heat treatment of die casting die steel. Due to the limitation of space, die steel manufacturers mainly choose to discuss in the scope of hot working die steel.
    山东热作模具钢
    1)锌合金压铸模具
    1) Zinc alloy die casting die
    CrWMn小衬模,800%~820℃盐浴加热,淬热油,410℃一430%,1h回火;50HRC。DTl工业纯铁小模数齿轮压铸模,中温固体碳氮共渗后直接淬火。820度一840度,4h~5h共渗,出炉开箱直接油淬,180℃~200℃,1h~2h回火;58HRC~63HRC。
    CrWMn small lining die, 800% ~ 820 ℃ salt bath heating, quenching oil, 410 ℃ - 430%, 1 h tempering; 50HRC。 DTL industrial pure iron small module gear die casting die, medium temperature solid carbonitriding and direct quenching. 820-840 ℃, 4-5h co penetration, oil quenching out of oven, 180-200 ℃, 1-2h tempering; 58HRC~63HRC。
    2)铝合金压铸模具
    2) Aluminum alloy die casting die
    H13钢制模具,模具尺寸400mm×350mm×220ram,小厚度6mm,大厚度182ram;要求硬度为45HRC~48HRC。淬火前进行一次550度,3h去应力处理;采用真空淬火回火;850度预热(25rain),1020℃加热(12min),气淬;600%(90min)+550度(60rain)回火。
    H13 steel mold, mold size 400mm × 350mm × 220ram, 6mm for small thickness and 182ram for large thickness; The required hardness is 45hrc ~ 48hrc. Before quenching, a 550 degree, 3 h stress relief treatment was carried out; Vacuum quenching and tempering are adopted; 850 ℃ preheating (25 rain), 1020 ℃ heating (12 min), gas quenching; 600% (90min) + 550 degrees (60rain) tempering.
    3)铜合金压铸模具
    3) Copper alloy die casting die
    3Cr2W8V钢制模具,1100℃一1150度热油或空气淬火,670℃~700度回火2次;290HB~375HB。
    3Cr2W8V steel mold, 1100 ℃ - 1150 ℃ hot oil or air quenching, 670 ℃ - 700 ℃ tempering twice; 290HB~375HB。
    3Cr2W9C05V钢制模具,1130度~1180℃加热,热油或空气淬火,670度一700度回火2次;290HB一375HB。
    3cr2w9c05v steel mould, heated at 1130 ~ 1180 ℃, quenched by hot oil or air, tempered at 670 ~ 700 ℃ twice; 290hb-375 Hb.
    3Cr3M03V钢制模具,1020度一1070度加热,热油或空气淬火,670℃~700℃回火2次;290HB一375HB。
    3cr3m03v steel mold, 1020-1070 degree heating, hot oil or air quenching, 670 ℃ - 700 ℃ tempering twice; 290hb-375 Hb.

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