On the one hand, it is affected by the accuracy of the molding machine itself, but also by its supporting process equipment or its auxiliary equipment.
一方面，它受到造型机本身精度的影响，同时也受到其配套工艺设备或其辅助设备的影响。
Modeling, uneven placement of the board, misdisplacement of sand, misalignment of the board itself design and installation, the inner wall of the box is sticking sand blocks, and sand accumulation is wrong and many other factors cause the wrong type of problems.
建模、板放置不均匀时,沙子移错,板本身设计和安装错位,盒子的内壁是坚持砂块,和沙子堆积是错误的和许多其他因素的原因错误类型的问题。
Once you know the cause of the wrong types, you should try to avoid them.
知道了错误类型的原因，就应该尽量避免。
1. The cone positioning pins are glued to sand blocks
1. 锥型定位销粘有砂块
The automatic free box molding machine has a special design, is cone positioning pin positioning, this way easy to change the template.
自动免箱造型机有特殊设计，是圆锥定位销定位，这种方式方便更换模板。
The template does not need to be fixed.
模板不需要固定。
To replace the template, simply lift the used template, replace the new template, and expand the support.
更换模板只需将使用过的模板提起，更换新的模板，扩大支架。
Changing templates is very fast.
更改模板非常快。
