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    Mould and Process Design of Cold Extrusion for Meter Parts
    仪表零件冷挤压工艺及模具设计
    A ultra precison measuring system for diameter of aperture based laser wave length was presented. The resolution over 0.01(m and the accuracy over over 0.1μm was obtained in the range 8mm 50mm by means of double frequency laser interference technique.
    一种以激光波长为基准的小孔孔径超精测量系统 ,采用双频激光干涉技术、温度误差实时修正技术和符合阿贝原则的合理布局 ,在 8mm~ 5 0mm的范围内实现 0 .0 1μm的分辨力和 0 .1μm的测量精度。 该方法已成功应用在惯性仪表零件孔径及垂直度的超精测量中。
    Technological design of the auto instruments
    汽车仪表零件的工艺性设计
    Trimming and Extract Punching of High Precision Instrument Parts
    高精度仪表零件的整修与精冲
    Nowadays,70 percent of parts of automobile, electrical appliance, electric machinery and instrument and meter and 80 percent of that of plastics and metalwork are manufactured by die equipment.
    目前,汽车、电器、电机、仪器仪表零件的70%以上,塑料制品和金属制品零件的80%以上都是用模具加工制造的。
    Applications of P/M soft magnetic materials in producing the parts in XC type meters and their technical and economic results are described.
    介绍了粉末冶金软磁材料在制造XC型仪表零件中的应用及其技术经济效果。
    The structures and feathers of the following furnaces are introduced in the article, as RWQ-20-8 mesh belt quenching furnace with protective atmosphere, HL286 metal mesh belt furnace and TCN mesh belt quenching furnace with controlled atmosphere. They are the ideal installations for knitting and sewing needles as well as all sorts of small parts and installation parts.
    本文介绍了RWQ-20-8型网带式保护气氛淬火炉、HL286型金属网带炉和TCN型网带可控气氛淬火炉的结构和各自特点,它们是针织针、缝纫针及各种小型零件和仪表零件的理想淬火设备。
 

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