压余

卧式挤压机推压余过程的摩擦诱导振动分析

Friction inducing vibration analysis on process of pushing remnant of material extruder

新型在线铜挤压自动压余分离装置

A new type discard separator on copper extrusion line

一种循环水冷却塔系统余压余能利用的方法

A utilization method of residual pressure and residual energy in circulating water cooling tower

通过改进工装模具结构，在普通油压机上实现了丝材的无压余连续挤压。

The improved design of process tooling structure realized continuous extrusion in common oil press machine .

压余垫的成形部分需要对压余垫材料、成形方法以及成形后的压余垫的力学性能和变形情况进行研究。

The first part requires the research on material , forming methods , mechanical properties and deformation of discard block .

然而，采用挤压法生产金属制品剩下的坯料压余降低了挤压作业的生产效率；另外，金属压余将被作为废料处理，这也大大浪费了生产成本。

Nevertheless , the discard of blank left by extrusion metal reduces production efficiency . In addition , metal discards treated as scraps are the waste of production cost .

采用空心挤压垫即挤压管材用的挤压垫和穿孔针复合使用的新工艺，解决了在只配备锯的管材挤压机上挤压棒材时压余难以分离的问题。

A new extrusion process using a hollow dummy bar together with a piercing mandrel can remove the difficulties in separating the discard when bars are manufactured on a tube making extruder only equipped with a saw for separating the discard .

余函数的特性函数&内压能和余体焓

Characteristic Functions of the Deviation Functions & Internal Pressure Energy and Deviation Volume Enthalpy

以MAN-B&W7S80MC型船用柴油机为例，计算了其冷却系统可以用于加热压载水的余热量。

The waste heat that can be used to heat the ballast water was calculated based on MAN B & W7S80MC type marine diesel engine .