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    • 3. 发明专利
    • Production device of hollow cylindrical composite casting
    • 中空圆柱复合铸件生产装置
    • JPS5933066A
    • 1984-02-22
    • JP14312382
    • 1982-08-17
    • Kubota Ltd
    • MORICHIKA TOSHIAKITAKUBO KAZUYUKIFUNAKOSHI ATSUSHI
    • B22D19/14B22D13/12B22D25/02B22D27/08
    • B22D13/12
    • PURPOSE:To form a sound composite casting, by controlling the rate of casting of molten metal and carbide powder per unit time and controlling the rotating speed of a casting mold during casting in a casting stage. CONSTITUTION:Molten metal M' from a ladle 9 and carbide powder P from a powder charging jig 8 are cast from a casting hopper 7 into a casting mold 1 under the rotating and driving of the mold 1 by a rotary table 4. The temp. of the molten metal cast into the mold 1 is measured with a thermometer 12 and the detected quantity thereof is inputted as an input signal to a controller 13. A flow rate controller 11 for molten metal, a flow rate controller 10 for powder and a variable speed motor 6 of the rotary table are controlled by the output signal from the controller 13. The generation of cold shut in the molten metal in the casting mold and the settling of carbide particles are prevented by the above-mentioned device and a hollow cylindrical casting having dense and uniform composite texture is produced.
    • 目的:通过控制熔融金属和碳化物粉末的铸造速度,并在铸造阶段控制铸造模具的转速,形成良好的复合铸件。 构成:来自浇包9的熔融金属M'和来自粉末填充夹具8的碳化物粉末P在铸模1的旋转和驱动下通过旋转台4从铸造料斗7流延到铸模1中。 用温度计12测量浇注到模具1中的熔融金属,并将其检测量作为输入信号输入到控制器13.用于熔融金属的流量控制器11,粉末流量控制器10和可变量 通过来自控制器13的输出信号控制旋转台的高速电动机6.通过上述装置和中空圆柱形铸造来防止铸模中的熔融金属中的冷闭合的产生和碳化物颗粒的沉降 产生具有致密且均匀的复合织构。