When the cam rotation center of a circle arc segment contour cutting machine in contact with the valve stem cam to sell the stationary valve stem. Thus, with the continuous rotation of the cam, valve stem available intermittently, as expected regular exercise. Machinery Co., Ltd. Zhucheng being a platform for desktop cam splitter cutting machine manufacturer, Zhucheng positive and machinery (certified), cutting machine cam timing is provided by a Machinery Co., Ltd. Zhucheng. Zhucheng Zhengyi Machinery Co., Ltd. (www.zhengyijixie.com) (www.zhengyijixie.net) Shandong Weifang, machining leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. Zhucheng being a leader in mechanical staff warmly welcome all inquiries negotiations to create a machine Zhucheng being a better future.