【摘要】 电机外壳一般通过注塑成型制得，对电机起保护作用。文章通过Moldflow软件对制件成型过程进行模流分析，以模具温度、熔体温度、保压压力以及冷却时间为响应变量，以制件的翘曲变形量为响应目标建立响应面模型，通过回归方程以及方差分析对制件的成型工艺参数进行优化。结果表明：当模具温度为70℃、熔体温度为220℃、保压压力为120 MPa、冷却时间为15 s时，制件的翘曲变形量最小为2.386 0 mm，较未优化前降低了1.732 3 mm。各因素对制件翘曲变形量的影响依次为：冷却时间>保压压力>熔体温度>模具温度。通过响应面法能够有效降低制件的翘曲变形量，为类似翘曲变形工艺参数优化提供参考。更多还原

【Abstract】 The motor shell is generally made by injection molding, which protects the motor. The Moldflow analysis of the part forming process was carried out by Moldflow software. The response surface model was established with the mold temperature, melt temperature, holding pressure and cooling time as the response variables, and the warpage deformation of the part as the response target. The regression equation and variance analysis were used to optimize the forming process parameters of the part. The results show that when the mold temperature is 70 ℃, the melt temperature is 220 ℃, the holding pressure is 120 MPa and the cooling time is 15 s, the minimum warpage deformation of the part is 2.386 0 mm,which is 1.732 3 mm lower than that before optimization. The influence of various factors on the warpage deformation of the parts is as follows: cooling time>holding pressure>melt temperature>mold temperature. The response surface method can effectively reduce the warpage deformation of the part, which provides a reference for the optimization of similar warpage deformation process parameters.更多还原