Paper and Punch的意思|示意

This paper narrates the mould selection when processing holes by RT-300 data punch press and gives the flow diagrams.

本文叙述了RT——300数控冲床加工圆形孔时模具的选择，并画出了圆模具选择流程图。

In this paper a nc feeding system of punch press by single chip micro - computer controlling is introduced. The paper related the idea of its designing, principle of operation and its application.

本文介绍了用单片机控制的数控冲床送料系统的设计思想、工作原理及其应用。

With the acoustic paper or sound proof cotton , the punch ceiling increase absorption capacity of whole closed space and the noise reduction can alter the impact .

冲孔天花板背面加入隔音纸或者隔音棉，有助于增加整个密闭空间的总吸收量，降低噪音给我们带来的影响。

This paper compares and analyzes the manufacturing technology of punch at home and abroad, then the measures for increasing the die life is studied.

通过国内外冲模制造工艺的对比与分析，研讨提高冲模寿命的措施。

The effect of punch virtual velocity and sheet virtual density on the sheet strain energy was studied in this paper.

从理论上分析了凸模虚拟速度和板料虚拟密度对薄板变形能的影响。

In the old days, a designer working on an airplane wing handed a bunch of punch CARDS to the computer operator and waited a week to get back thousands of Numbers on fanfold paper.

那时候，一个设计飞机机翼的工程师会把一大堆穿孔卡片交给电脑操作员，等上一个星期才能拿回来成千上万的数字，而且是写在复写纸上的。