设计和研制了纤维干燥箱、预热树脂槽、多加热区拉挤模具和后固化箱等组成的新型拉挤设备;介绍了拉挤速度和拉挤工件性能设计方面的改进;针对催化剂系统、填料、纤维和低收缩添加剂的种类及其加入量对机械性能和表面光洁度的影响都做了研究。推荐一种与各个工艺变量,诸如模具温度、牵引速度和模具几何形状等有关的数学模型;研究了纤维增强不饱和聚酯工艺过程中,固化反应和热传导的动力学,并利用有限差分法求解数学方程。 Design and development of a new type of pultrusion equipment composed of fiber drying oven, preheated resin tank, multi-heating zone pultrusion die and post-curing box; introduced the design of pultrusion speed and pultruded workpiece performance improvement; for the catalyst system, The types of fillers, fibers, and low shrinkage additives, as well as their effects on mechanical properties and surface finish, were investigated. A mathematical model related to various process variables such as mold temperature, traction speed and mold geometry is recommended. The kinetics of curing reaction and heat conduction during the process of fiber-reinforced unsaturated polyester are studied and solved by finite difference method Mathematical equation.