本发明方法具有工艺简单，操作方便，重复性好，可 连续化生产等优点。
The present invention has the advantages of simple technics, convenient operation, good repeatability, and capability of continuous fabrication.
在PLC的编程中，采用了单周期操作和自动连续操作，具有掉电保护和两种操作间互相制约的保护，可以避免重复操作和误操作。
It can be operated by PC and meet the requirement of modern industry. In the programming of PLC, both single-cycle and continuous operations are adopted.
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