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对传统的颚式破碎机内齿角设汁概念进行了分析,发现其有很大的局限性,认为它没有真实地反映颚式破碎机的工作优况,并针对单肘板颚式破碎机的运动特性提出了啮角设计的新概念——工态啮角。工态啮角的概念纠正了传统的单肘板颚式破碎机啮角设计的错误,正确地解释了影响单肘板颚式破碎机工作的各种因素。作者以工态啮角为设计思想,设计了肘板下置式高效、低磨损曲线破碎腔的单肘板颚式破碎机,取得了非常好的效果。与原用颚式破碎机相比较,处理能力提高20～50％,颚板寿命延长1倍以上。
The concept of internal tooth angle setting of traditional jaw crusher was analyzed and found to have great limitations that it did not truly reflect the working conditions of jaw crusher and for single-jaw plate jaw crusher The kinematic characteristics of the proposed nodal design of the new concept - working nodal. The concept of working nip corrects errors in the nod design of a conventional single-legged jaw crusher and correctly explains the various factors that affect the operation of a single-jaw jaw crusher. Based on the design of working nip, the author designed the single-claw jaw crusher with high efficiency and low wear curve under the toggle plate, and achieved very good results. Compared with the original jaw crusher, the processing capacity is increased by 20 ~ 50%, and the lifespan of the jaw plate is extended by more than one time.