角 双曲肘合模装置，大增力比和大行程比。
Double toggle mold closing system with a large force magnification ratio and a large stroke ratio.
本发明可减少合模油缸活塞行程，缩短行程时间，从而有效提高生产效率。
The invention can shorten the journey of the piston of the die closing cylinder and shorten the time on the journey, thus production efficiency is effectively improved.
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