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1·The plain diameter ejector pin may be used in one of two ways.

普通的顶杆可以有两种使用方法。

2·Each ejector pin diameter has a number of different lengths associated with it.

每一种顶杆直径有许多不同长度。

3·Suitable sizes of push-back pins may be selected from a standard ejector pin range.

回程杆的合适尺寸可以在标准的顶杆范围内选择。

4·The direction of movement of this ejector pin is, therefore, controlled by this hole.

因此顶杆的运动方向由这个孔来控制。

5·The undercut area may stick slide. We may consider to add an ejector pin on the slide.

产品扣位处可能粘行位。我们需考虑行位上加顶针；

6·The vent system composed of vent groove, vent plug and clearance of ejector pin can fit the need of venting.

采用分型面排气槽、顶杆间隙排气与排气塞排气相结合的排气系统设计能够很好地满足模具排气需要。

7·The location of the ejector pin elements, and the number used, is dependent on the components size and shape.

顶杆零件的位置和数目，取决于塑件的尺寸和形状。

8·Clearance of ejector pin is used to vent little quantity air or the part may intervene with vent plug and ejector pin.

推杆间隙排气用于排气量不大或者开设排气塞会与推出机构产生干涉的部位。

9·The product has excellent tooling quality and machining performance, so as to alleviate and avoid the deformation of ejector pin because of heat treatment.

该产品具有良好易切削性能和机械加工性能，从而避免了薄壁推管(司筒)因热处理而产生变形。

10·The structure, operating principle and action of mechanism of automatic sprue cutting by ejector pin in thermosetting plastics injection mould was described.

介绍了推杆自动切断浇口机构在热固性塑料注射模中的具体结构、 模具工作过程。