冲孔

石灰岩地质条件下的冲孔灌注桩施工

Concrete pouring of punched hole piles under limestone geological conditions

球轴承C型保持架一次冲孔模设计

Design of the Punching Die for C-type Ball Bearing Cage

基于功能组件的覆盖件修边冲孔模CAD系统的研究

Study on functional-oriented CAD of panel trimming and punching die design

X型气流分布板冲孔设备控制系统设计

Control System Design of Punching System with X-type Airflow-distribution Board

PLC控制侧窗自动冲孔模设计

Design of Bearing Retainer Automatic Piercer of Control with PLC

关于｛x／n｝的分布X型气流分布板冲孔设备控制系统设计

Control System Design of Punching System with X - type Airflow - distribution Board

膜孔耦合截止衰减器基于Fourier级数的电磁脉冲孔耦合数值分析

Numerical Analysis of the Electromagnetic Pulse Coupling through Apertures Using Fourier Series

电磁脉冲孔耦合瞬态响应SEM极点提取

The SEM poles extracting from the transient response of electromagnetic pulse coupling through aperture

多弧离子镀TiN涂层在冲孔冲模上的应用

Application of the TiN Coating of Multi arc Ion Plating on the Punching

修边冲孔模三维CAD系统的研究与开发

Design and Development of a Three dimensional CAD System for Structure Design of Panel Trimming and Punching Die

U形弯曲件侧冲孔技术

Technology of Flank Punch for U Shape Parts

所以，针对覆盖件开发一套实用的修边冲孔模CAD系统无疑是十分必要的。

So it is very necessary to exploit a practical CAD system for panel trimming and punching die design .

为了实现电除尘器用X型气流分布板冲孔设备的自动化，设计了一套自动控制系统。

An automatic control system of a punching machine with X-type airflow-distribution board is designed for electrostatic precipitator production .

给出了冲孔系统工作循环的PLC控制流程框图及PLC的I/O点分配图。

The PLC control flowchart and I / O distribution diagram of the machine 's work cycle are also presented .

壳牌冲孔油bs含有防腐蚀添加剂和油性添加剂。

D Punching Oil BS also contains anti corrosion & lubricity additives .

冲孔凸模TD渗钒处理前后抛光工装结构设计

Design of Polishing Fixture for the Piercing Punch by TD Vanadizing Treatment

板材冲孔FMS生产管理系统的信息流分析及实现

Analysis and Realization of the Information Flow of a Production Management System for Sheet Metal Punching FMS

介绍了应用VBA程序的设计方法，自动完成了1∶1变压器夹件冲孔图纸。

A design method is introduced with VBA program . The 1 ∶ 1 punch drawing of transformer clamp is completed automatically .

分析了国产板材冲孔柔性加工单元（FMC）的组成及控制系统结构。

It analyzes the composition and control system structure of a domestic metal sheet punching FMC .

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 .

通过对U形件侧面冲孔工艺的分析，介绍了U形件冲孔、压字复合模结构，指出了U形件侧孔冲裁凸模设计要点。

Through the analysis on the side holes piercing technology for the U-shaped part , the structure of the piercing and word-pressing compound die for the U-shaped part was introduced . The main points for designing the punch for piercing the side holes in the U-shaped part were put forward .

WF-84型横式纹板复制机由传动、纹板输送、冲孔、阅读及其它等五大机构组成。

Horizontal Card Repeating Machine WF-84 consists of the transmitting , card delivering , hole punching , reading and other devices .

使用AL-1100铝板，对台阶冲孔工艺和台阶落料工艺进行了简易工艺试验，验证了数值模拟研究结果，并提出了一个台阶冲孔的合理压边条件。

Simple technologic experiments for punching stepped-hole and blanking stepped-exterior were carried out using AL-1100 aluminum plate . The results of numerical simulation were validated by technologic experiments .

中通道冲压件成形方案为拉延-修边冲孔-翻边整形，模拟结果验证了该方案的可行性，中通道冲压件成形缺陷基本消除；3、基于AUTOFORM软件对中通道进行全工序回弹模拟。

The middle channel stamping program was drawing-trimming and punching-flanging and shaping . The simulation results demonstrated the feasibility of the program , and the forming defects were basically eliminated . 3 . Springback simulation of the whole forming process of the middle channel based on the AUTOFORM software .

大直径超长冲孔灌注桩施工缺陷及特殊问题处理

Construction of super-sized punched cast-in-place piles and treatment of defective piles

带有浮动凸凹模的拉伸冲孔复合模设计

Design of Drawing and Piercing Compound Die with Floating Punch Block

抛石层上冲孔灌注桩成孔技术

The hole building technology of cast-in-site bored pile in riprap layer

汽车纵梁数控三面冲孔生产线

NC Production Line of Three Dimension Punch for Truck Chassis Beam

半冲孔在精冲中精确定位的应用

Application of semi-piercing technology in the precise position of fine-blanking technology

汽车覆盖件修边冲孔模工艺方案探讨

Discussion on Technological Process of Trimming Punching Die of Cover Panel