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design of die casting die     
相关语句
  压铸模设计
     Design of Diecasting Die and CNC Processing for the Square Pipe
     方管压铸模设计及CNC加工
短句来源
     Design of Diecasting Die for the Side Cover of Cylinder Based on Pro/E
     基于Pro/E的缸体侧盖压铸模设计
短句来源
     Design of Diecasting Die for the Electrical Wares Box of Pendant Lamp
     高吊灯电器箱压铸模设计
短句来源
     Design of Diecasting Die with Angle Pin and Gear Shaft and Rack for Secondary Combined Inclined Down Loosing Core
     斜销-齿轴-齿条二级联合斜下抽芯压铸模设计
短句来源
     In the design of diecasting die for castings with the inclined down holes or inclined down cavities, inclined down loosing is one of difficult points of the designs of the diecasting die.
     在具有斜下向孔或斜下向凹凸铸件压铸模设计中,斜下向抽芯是压铸模设计的难点之一。
短句来源
  压铸模具设计
     Design of Die Casting Die for Bracket of Electrical E-quipment in Ship
     船用电器支架压铸模具设计
短句来源
     Design of Die Casting Die for Magnesium Alloys Telecommunication Parts Through Numerical Simulation
     基于数值模拟的镁合金通讯件压铸模具设计
短句来源
  压铸型设计
     Design of Die Casting Die for Case Part
     箱体零件压铸型设计
短句来源
     Design of Die Casting Die with Dog-led Cams for Time-Lapse Core Pulling
     弯销延时抽芯的压铸型设计
短句来源
  压铸模具设计
     Design of Die Casting Die for Bracket of Electrical E-quipment in Ship
     船用电器支架压铸模具设计
短句来源
     Design of Die Casting Die for Magnesium Alloys Telecommunication Parts Through Numerical Simulation
     基于数值模拟的镁合金通讯件压铸模具设计
短句来源

 

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    The automatic screw thread unloading is a difficult point in the design of die casting die for castings with screw thread.A toothed rack was commonly adopted for the automatic screw thread rotational unloading.However a new mechanism,ball screw and gear,was adopted.The mechanism used the pushing bar of die-casting machine to offer the power for rotation of the mold ring with screw thread,and the mechanism of ball screw and gear changes the rectilinear movement to rotation of mold ring...

    The automatic screw thread unloading is a difficult point in the design of die casting die for castings with screw thread.A toothed rack was commonly adopted for the automatic screw thread rotational unloading.However a new mechanism,ball screw and gear,was adopted.The mechanism used the pushing bar of die-casting machine to offer the power for rotation of the mold ring with screw thread,and the mechanism of ball screw and gear changes the rectilinear movement to rotation of mold ring with screw thread,realizing the automatic screw thread unloading.

    铸件螺纹脱模是压铸模设计的难点之一。自动旋转脱螺纹一般采用齿轮齿条机构或液压齿轮机构。本压铸模则采用一种新机构———滚珠丝杠齿轮脱螺纹机构。该机构利用压铸机推杆为螺纹型环旋转脱模提供动力,通过滚珠丝杠齿轮机构将压铸机推杆的直线运动,转变为螺纹型环旋转运动,实现螺纹铸件自动脱模。

    Experiences of design of die casting die for Mg alloy gear box and its die casting method were summarized.The die casting die uses four slide blocks and drawing-core mechanism in three direction,adopting ring structure for main ingate,setting additional ingate inside and smoothly part-separated structure in connection of cavity.Complicated working machine was used to ensure IT6 grade precision for die manufacturing.Rational die casting technology was employed...

    Experiences of design of die casting die for Mg alloy gear box and its die casting method were summarized.The die casting die uses four slide blocks and drawing-core mechanism in three direction,adopting ring structure for main ingate,setting additional ingate inside and smoothly part-separated structure in connection of cavity.Complicated working machine was used to ensure IT6 grade precision for die manufacturing.Rational die casting technology was employed to manufacture Mg alloy gear box including injected pressure for 10~16 MPa,applied specific pressure for 40~70 MPa,filling velocity at 40~60 m/s,die temperature at 220~280 ℃,pouring temperature at 640~690 ℃,filling time for 0.01~0.25,sand holding pressure time for 3~6 s.The practical verification indicated that good die structure and rational die casting method can be helpful to ensure good formation and few defects in die castings,extending the service life of the die.

    总结了镁合金齿轮箱产品开发过程中压铸模的设计制造和压铸生产工艺方面的经验。该模具采用4个滑块,3个方向抽芯,主浇道采用环型结构、内部设辅助浇道,内腔结合处采用无毛刺的分型结构;模具制造中,采用先进加工设备保证GBIT6级的高制造精度;采用合理的镁合金压铸工艺,压射比压为10~16MPa,增压比压为40~70MPa,充填速度为40~60m/s,模具温度为220~280℃,浇注温度为640~690℃,充填时间为0.01~0.25s,保压时间为3~6s。生产实践表明,模具结构和压铸工艺合理,压铸件成形好,压铸缺陷少,模具寿命长。

    Automobile variator back-shell with large dimension is a complicated die-castings where there are several side-hole and exist narrow-long rib and convex at outsides. Five-directional structure was adopted in design of die casting die, in which a departed structure was used for moving die design, including main core and top-core, and declined columniation parting and hydraulic drawing-core mechanism were used for forming of side-core. The horizontal cold chamber die casting machine...

    Automobile variator back-shell with large dimension is a complicated die-castings where there are several side-hole and exist narrow-long rib and convex at outsides. Five-directional structure was adopted in design of die casting die, in which a departed structure was used for moving die design, including main core and top-core, and declined columniation parting and hydraulic drawing-core mechanism were used for forming of side-core. The horizontal cold chamber die casting machine with closed force of 6 300 kN has been selected by calculating filling pressure.

    汽车变速器后体是带有多个侧孔的复杂压铸件,尺寸较大,外侧面还存在窄长肋条和凸台。在压铸模的结构设计中,采用5向开模结构,凸模采用分体式(主型芯和上型芯),侧型芯的成型采用斜导柱侧向分型和液压缸抽芯机构。通过对压铸件成型压力的计算,选择锁模力为6300kN的J1163型卧式冷室压铸机。

     
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