管件

封套的两锥形分别与管件体和螺帽的斜面压紧密封。

The two cones of the sealing sleeve are respectively pressed and sealed with the pipe fitting body and the inclined plane of the screw nut .

PLC对管件缩径机床的控制改造

Manipulation and Transformation of PLC in Pipe Fitting Reducer Machine

本论文来源于国家863项目子项&高分子复合（BP）材料大口径管材、管件研制及产业化。

This dissertation comes from national 863 program .

金属管件加工行业MIS系统的分析、设计与实现

Analysis Design and Implementation of Management Information System in Mental Pipes Industry

目的建立一种测定PVC管材、管件中锡的方法。

Objective To establish a method of tin in PVC pipes and pipe pieces .

PE输油、气管道和管件的生产，销售自产产品及售后服务。

PE oil transmission , gas pipeline and control of production , sales and after-sale products produced .

微分电位溶出法测定PVC管材、管件中锡的方法研究

Study on Determination of Tin in PVC Pipes and Pipe Pieces by Differential Potentiometric Stripping Analysis

基于UG的三通管件注射模具的设计与制造

Design and Manufacture of Injection Mould for Tee-fitting Based on UG

本文介绍了一种用线列阵CCD器件非接触测量透明管件直径的装置。

This article introduces a new method for non-contact on-line external-diameter measurement of transparent tubing using an1-dimensional CCD array .

基于CAE技术优化ABS弯头管件的浇口位置

Optimization of the placement of the gate of an ABS angle fitting based on CAE Technology

基于VB6.0的AutoCAD的压力管道组合管件专用软件开发

The special software development of combination plumbing of pressure pipes in AutoCAD Using VB 6.0

在显式积分有限元分析软件Ls-Dyna平台上进行了薄壁管件的准静态压溃模拟计算。

Quasi-static collapse simulations of thin-wall-tubes are performed with Ls-Dyna code .

埋置沸腾床中管件耗损与HCl影响的实验室模拟

Simulated study of wastage in bubbling fluidized bed with dense particle impact and HCl effect

耐磨损、不结垢：PP管及管件内壁均匀光滑，流动阻力小并且不结垢。

Wear-resistant , non-fouling : PP pipes and fittings inwall are uniform and smooth , flow resistance is small and does not scale .

通过对圆角模翻管变形特征的分析，论述了圆角翻管模的圆角半径r对翻管力、翻管件质量和翻管时管坯失稳的影响。

The characteristics of the inversion tube process by radiused die is analysed through studying the effect of the die radius on inversion load , quality and failure .

PDS英制管件库公制化

PDS Database Changing English System to Metric System

特殊管件在PDS中的建模

Building Model of Special Fittings in PDS

PVC-U管件注塑模具浇注系统的优化

Optimization of the runner of the injection mold for PVC-U pipe fittings

GB/T8801-1988硬聚氯乙烯（PVC-U）管件坠落试验方法

Test method for unplasticized ( PVC-U ) fittings by falling

无毒稳定剂在PVC-U给水管材/管件生产中的应用

Application of Non-toxic Stabilizer to Production of PVC-U Water-supply Pipe and Pipe-fittings

热熔焊机：聚乙烯管件与PE管材的链接，主要采用热熔承插，热熔对接和金属丝牙三种方式。

Hot melt welder : PE pipe and PE pipe links , mainly USES the hot melt socket , hot melt docking and wire teeth three ways .

PP-R管件注射模浇注系统设计与CAE分析

Design of the Feeding System of the Injection Mould for PP-R Pipes and the CAE Analysis

PVC-U管件专用料的研制

The development of special materials for PVC-U pipe fittings

Pro/E中PlasticAdvisor分析软件在PP-R管件注射模设计中的应用

Application of the Analytic Software of Plastic Advisor of Pro / E in the Design of Injection Mold for PP-R Fitting

扼要介绍了特殊管件在PDS中的建模方法。

In this article , the methods of building model for special fittings in PDS were introduced .

如何减少PP-R管件的收缩变形

How to reduce the shrinkage strain of the PP-R fittings

PP-R管件注塑模具设计相关技术研究

Research on Correlative Technology of PP-R Pipes Injection Mold Design

并用该材料生产了PVC-U供水管件。

And the material was used to manufacture PVC-U pipe fittings for water supply .

随着RF功率、管件内径、电压以及频率的增加，注氮处理样品的耐磨性能增强。

The wear resistance of ion implanted samples depends on the processing parameters , such as RF power , inner diameter of tube , implantation voltage and frequency .

GB/T8802-1988硬聚氯乙烯（PVC-U）管材及管件维卡软化温度测定方法

Determination of vicat softening temperature for unplasticized polyvinyl chloride ( PVC-U ) pipes and fittings