There are many types of castings. With the improvement of the level of casting technology, it has become possible to directly obtain high-precision workpieces using precision casting technology. However, considering the factors such as production cost, casting is mainly used as a roughing method in the manufacturing industry. Most castings are machined to the finished part. In general, the dimensional accuracy of castings is not high, so it is not only necessary but also of great practical significance to analyze how to process the final casting into a qualified finished product. The following is a commonly used sand casting machine tool
Flexible lift gate is a flexible soft curtain door, inside and outside the two curtains, curtains used between the aluminum beams connected with a vertically movable rail, the roof beams have levels not in the same straight line and hangar large plants in particular be applicable. Flexible lift door installation does not take up interior space in the hole inside. When the fiest move to open the door, and finally superimposed over the hole. Off event curtain rail first and then fall down until it is completely closed.
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