The construction, function and basic principle of computer simulation system for injection mould were introduced.

A method of automatic generation of feature-based injection mould core & cavity is put forward.

提出基于特征的注射模具型 芯 型腔自动创建的实现方法.

The structural design and operating process of an injection mould for the part were introduced.

分析了电熨斗大身的工艺特点,介绍了电熨斗大身注射模结构设计和工作过程.

The general design principle of gas assisted injection mould design is discussed.

阐述了气体辅助注射模具设计的一般原则,介绍了气针的工作原理和选择方法.

Key words: hose-connect 、 injection mould 、 take off whorl 、 side core.

关键词: 软管接头、注射模、脱螺纹、侧向抽芯.

This thesis deals with the design of injection mould of plastic.

论述塑料制品的注塑模设计.

Plastic injection mould-coolant passages, eject pin and electrical heating holes.

塑胶射出模具 - 冷却水孔 、 射梢孔及电热孔.

Plastic injection mould , coolant passages, eject pin and electrical heating holes.

塑胶射出模具?冷却水孔 、 射梢孔及电热孔.

Striation-Defects or contaminations found in the shape of a helix.

条痕 - 螺纹上的缺陷或污染.

The land must make a difference too, in the shape of the clouds.

陆地上一定也看得见异常的现象, 那就是云的式样不同.

We were interested in the shape of the complex in vertical cross-section .

我们对垂直 横剖面 的岩脉组合的形状感兴趣.

This island is in the shape of a cross.

该岛呈十字形.

Advanced features are set with individual DIP switches on the main PC Board.

主PC板上独立的DIP开关 能为焊机带来先进的特性.

The following functions are integrated in the PC board and in front of the operator.

下列功能包括在PC板上,并呈现在操作员面前.

Improve mounting density of components on PC board.

提高了印刷线路板上的零部件贴装密度.

When packaging the circuit, pay special attention to the pc board's layout.

封装电路时, 需要特别注意电路板的布局.

Trayed & Potted PC Board-Ensures long life in harsh conditions.

具有涂层 和 密封的PC板 —— 在恶劣的环境中,确保PC板使用寿命长久.

The pumping unit driven by a linear motor has been successfully used in field.

直线电机驱动抽油机已经成功在油田应用.

The design scheme and working principle of a broad-belt hydraulic pumping unit are presented.

提出了宽带液压抽油机设计方案,以及设计结构和工作原理.

This pumping unit provides for the advantages of high-carrying capacity, life and ease of manufacture.

这种工作机构为单一的 连杆机构,具有承载能力大 、 寿命长、制造容易的优点.

A down-hole autotracking well pumping unit different from the conventional pumping unit was designed.

针对抽油技术的现状和存在的问题,设计了一种不同于有杆抽油方法的井下自动跟踪式抽油装置.