The positive pressure distribution on the bearing surface of screw down system of 950 primary mill was studied using FEM and the corresponding improvement way has been put forward.
通过有限元分析，研究了950开坯机压下系统球面轴承表面正压力的分布情况，并据此提出了相应的改进措施。
A new surface strengthening method, RE-Multi-Element diffusion, for HSS cutters by positive-negative pressure pulse process is investigated.
本文主要介绍采用正负压脉冲稀土多元共渗技术对高速钢刀具表面强化的一种新方法。
EF2300 model multi-functional curved surface positive-negative pressure machine can finnly adhere solid-woodveneer, heat transfer-printing film, decorative paper and PVC film on all kinds of material.
EF2300型多功能曲面正负压机，能够牢固地贴覆实木单板、压克力热转印膜、装饰纸、PVC膜于各种材料上。
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