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列举了液压支架顶架凹形球面在普通车床上的几种加工方法, 并对其优缺点进行分析.提出一种该类零件加工的新方法, 设计了专用的凹形球面加工装置, 并对该加工装置的结构、工作方法以及创新点进行了详细阐述, 可指导球面工件的加工.“,”Several processing methods of concave spherical surface on hydraulic support roof are presented and its advantages and disadvantages were analyzed. Proposing a new method for this kind of parts processing, designed the special concave spherical surface machining device, and the processing device structure, work methods and innovative points in detail, which can guide the processing of spherical workpiece.