【摘要】 本文提出以半球壳凝固层为模型,利用塑性力学和传热学的原理,推导出蜡模表面粗糙度与模料力学性能及工艺参数之间的数学式,并通过实验得到了验证,为控制蜡模表面粗糙度提供了理论依据.对正确评价与控制各种工艺因素的影响和研制新模料有一定指导作用.更多还原

【Abstract】 A mathematical expression on the reliation between the mechanical propertes of wax material, the technological parameters and the surface finish of wax patterns is derived in this paper, according to a semispherical shell-type solidification model and the princip-les of plasticity and heat transfer. The results are verified through experiments,thus,pro-viding the theoretical basis for the control of wax pattern surface finish, the evaluation and control of miscellaneous technological parameters and the development of new waxes.更多还原