为了获得成本低、性能好的凸轮、挺杆材料以及掌握它们的摩损情况,制造了凸轮挺杆摩损试验机。本文介绍试验机、试样(凸轮试样有三种:钢、冷激铸铁、淬火铸铁;挺杆试样有五种:钢、冷激铸铁、淬火铸铁A、B、C)、以及它们相互组合的摩损试验,求出各种材料的疲劳点蚀和刮伤临界负荷,并观察摩损情况。 In order to obtain low cost, good performance of the cam, tappet material and to grasp the wear of their conditions, manufactured cam tappet wear testing machine. There are three types of cam samples: steel, chilled cast iron, hardened cast iron; five types of tappet: steel, chilled cast iron, hardened cast iron A, B, C), and combinations thereof Wear test, find a variety of materials fatigue pitting and scratching critical load, and observe the wear and tear conditions.