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The matching wedge is the master jaw of the chuck, forcing the top jaws open or closed.There are two basic concerns to this style of actuation.First, the wedge design results in a large amount of bearing surface required to actuate the chuck, which can lead to.
We are a large-scale joint-stock enterprise integrating scientific research, production and sales.Our leading products have crushing equipment, sand making equipment, mobile crusher, etc., Each type of product is with complete specifications. All products have passed ISO9001, CE and GOST international quality system certification.