冲孔机

介绍一种毛皮冲孔机的结构与原理。

This paper introduces the structure and principle of a kind of fur punch .

电子式多臂纹板冲孔机的研究

Research of Electronic Dobby Pattern Card Punch

介绍了织唛制板CAD／CAM系统的原理、整体结构及设计方法，着重介绍了图案输入及自动纹板冲孔机的设计方法。

Describes the working principle , integral structure and design method of card punching CAD / CAM system for marks weaving , with emphasis on pattern input and design method of the automatic card punching machine .

介绍了一种适用于深孔内冲小孔的冲孔机的结构、特点及工作原理。

Introduces the main construction , characteristic and working principle of piercing machine .

基于可重构的轮辋压窝冲孔机的研究

Study on Rim Indenting Puncher Based on Reconfiguration ; hand-operated vertical screw press

液压冲孔机的数控及图形编程系统的研究与开发

Research and Development of NC Programming and NC Control System of Hydraulic Punching Machine

板料辊式冲孔机结构分析与优化

Structure Analysis and Optimization of Rolling Punch

采用液压传动，是目前国内液压单头冲孔机最新产品，能对板钢冲孔。

Use of hydraulic , hydraulic single is currently the head punch products , steel punches .

气动冲孔机的设计

Design of Pneumatic Punch Machine

本实用新型涉及纸品加工设备技术领域，特指一种纸品冲孔机。

The utility model relates to the technical field of paper product processing equipment , in particular to a paper product puncher .

提供一种体积小、冲剪力强、效率高、性能稳定的纸品冲孔机。

The utility model provides a paper product puncher which has the advantages of small size , powerful shearing force , high efficiency and stable performance .

研制可重构轮辋压窝冲孔机样机二台投放市场，对不同材质、不同规格、不同编网参数和不同窝孔尺寸的轮辋产品族进行中小批量生产。

Two reconfigurable indenting puncher prototypes launch market and middle-small batch production has been made for materials , different specifications , different netting parameters and different core dimensions .

在明确辊式冲压工作原理的基础上，结合辊式冲孔机的结构分析，针对在冲孔形状上出现的误差，提出了凸模的优化模型。

Based on the operational principle and the structural analysis of rolling punch , this paper demonstrates the optimal design of convex-mold , which can solve the error problems of bore-shape .

介绍了用于织机多臂纹板和剑料选色纹板的电子式纹板冲孔机的原理以及我们在国产化研究中遇到的硬件、软件、电磁铁和操纵部分的设计问题。

N this paper , the principles of electronic pattern card punch used to loom dobby pattern card and rapier weft colour of selecting , and some design problems incorporated in domestic research about its hardware , software , electric-magnetic iron and operating unit , are introduced .

冲孔免耕穴播机入土成穴原理的研究

Research on boring and caving principle of no-tillage punch hill-drop drill

本文在研究现有开沟器存在的问题和不足的基础上，设计了一种新型免耕覆盖往复冲孔式播种机，该机用穴播方式代替破茬分草和开沟，有效的避免了开沟器的堵塞。

On the foundation of study problem and weakness of the coulter , the paper designs a kind of new no-tillage Push-pull Punching planter , which sows with the hill-dropping that replaces to the trash destroyer and the disk coulter , avoiding the disk coulter stop .

新型冲孔式免耕播种机的研制及应用

A new type punch planter for use in untilled soils

汽车纵梁冲孔模具投资大、制造周期长、灵活性差，一直制约着汽车纵梁乃至整车的发展，新型纵梁三面冲孔机实现汽车纵梁三维冲制，精度高、生产周期短、灵活性强。

High manufacture costs , long manufacture period and low flexibility of automotive side rail punch obstruct the development of automotive side rail even complete vehicle . New type three-punch operation with high accuracy , short production cycle and more flexibility , side-punch for side rail can accomplish three dimensional .