key-punch的意思|示意

The procession code program of nc punch press is the key to nc-machining.

数控冲床的加工代码程序，是数控加工的关键所在。

The principle, structure and key design points of three-point fixing method to special-shaped small punch are introduced, and compared with traditional fixing methods.

针对模具制造中遇到的微小异形凸模难加工问题，介绍了采用冷压成形工艺——立体压制方法。

Moulds of each process is designed in light of the process optimized, and introducing the mould structure of the forming mould and side punch mould for trimming, and the design of key pieces.

根据所确定的工艺方案对各工序模具进行设计，并介绍了成形模和修边侧冲孔模的模具结构以及关键零件的设计。

Abstract: Based on analysis of key points in construction process of punch filling pile in the technical of, the paper introduces corresponding countermeasures for ensuring the quality of projects.

本文以工程为例，以冲孔灌注桩的施工过程中的技术要点进行分析，简述为保证工程质量所必须采取的相应措施。

Cold extrusion punch is an important workpiece in punches and its strength analysis is a key component in punch design.

凸模是冷挤压模具中重要的工件，其强度计算是模具设计的一个主要课题。

The software designing system is one of the key technique for the study of the economical numerical control punch press.

经济型数控压力机研制的关键技术之一是软件设计。