Research into the bending of Aluminum alloy profiles with polyurethane pad;
铝合金型材聚氨酯柔性垫弯曲研究
Research in PVC-U profile discoloration by sulfurous pollutants;
关于硫化污染引起PVC-U型材变色的研究
The factors influencing transparency of PVC profile for packing;
包装用聚氯乙烯型材透明性的影响因素
The weather resistance effect of composite light stabilizer JC-568 in PVC-U section materials;
复合光稳定剂JC-568在PVC-U型材中的耐候稳定作用
Improved the traditional process of the section material cutting, designed a cutting die.
对型材剪切的传统工艺进行了改进,采用一副剪切模,介绍了该模具的结构特点及工作过程。
Through the analysis of parts made by section material, an appropriate and effective technological process is put forward.
通过对型材零件的分析 ,提出了适当有效的成形工艺方案 ,在此基础上设计了压窝冲孔复合模 ,并计算了成形力。
Factors of Influencing the discoloration of PVC profiles;
影响PVC型材变色的因素
A good PVC resin being used for rigid profiles, which has good granule configuration and moderate average polymerization degree, is obtained by improving product technics and adjusting the formula of polymerization.
研究了树脂颗粒形态和平均聚合度对聚氯乙烯(PVC)加工性能的影响,通过改善生产工艺、调整聚合配方,开发出具有颗粒形态好、平均聚合度适中的硬质型材专用PVC树脂,满足了新型进口生产线的高速加工要求。
The characteristics of windows and doors profiles of plastic-wood composite and prospects in usage are presented.
介绍了木塑复合材料的特性及其在门窗用异型材等方面的应用前景。
Considering the factors of structure,aerodynamics and beautility,curved extrusions are usually used in lightweight design,while straight extrusions are used in the most circumstances like civil engineering.
在轻量化结构设计中,挤压型材的使用越来越广泛。
In the process of dense bars horizontal continuous casting, the surface damage of dense bars is a difficult problem.
铸铁型材水平连铸过程中型材表面的拉伤问题是连铸生产过程中遇到的难题。