There are two basic designs of sprue puller.

有二种基本的主流道拉料机构设计方法。

There are two basic designs of sprue puller .

有二种基本的主流道拉料机构设计方法。

It will be helpful to improving the filling velocity when the sprue length and sprue areas are controlled to some extent.

一定的直浇道长度及直浇道面积有利于提高铝液的充型速度。

The common sprue pulling methods unifies an undercut pin or an undercut recess situated directly opposite the sprue entry.

常用的主流道拉料方法在主流道入口正对面的位置上直接设置一个带底切的顶杆或一个带底切的凹坑。

They must be carefully cut from the sprue to prevent damage.

必须小心的剪取零件以防损坏.

After weight each shot ( without the sprue ) and draw the graph.

然后称重 ( 不含料头 ),并画出图形.

After weight each shot (without the sprue) and draw the graph.

然后称重（不含料头），并画出图形。

This is particularly desirable when a central sprue puffier is used.

这在使用中心主流道拉料杆的时候尤为必要。

The influence of sprue height on the fluidity appears insignificantly .

直浇道高度对流动性无显著影响。

This would necessitate a manual operation to remove the unwanted sprue.

这就要有一个手工操作以去除不需要的主流道废料.