Abstract: In this paper, a new type heat pipe, according to the requirement of practical lathe tool,is designed, and the heat transfer of the tool is calculated. At last, a contract test between the cutting temperature and the wear of the tool has a result which indicates.(1) The heat pipe lathe tool makes temperature drop at cutting area. As a result of it, the cutting efficency is raised 2~3 tims, and the tool life is improved evidently.(2)The heat transfer calculation of the heat pipe lathe tool conforms to the test result basically.(3) It opens up a new channel for the application of the new heat pipe technology in machining.(4) The lathe tool of heat pipe is great significance for high temperature alloy-steel of refractory.

Key words: 机夹车刀, 热管车刀, 热管技术, 输液芯, centrifugal field, discrete element method, dynamic characteristic, gear transmission, Key words: particle damper