摘要
找出了高速大功率柴油机曲轴在自然放置状态下的渗氮畸变规律,分析了曲轴的形状及渗氮工艺参数对曲轴畸变的影响。采用在连杆轴颈开档处加锲铁预校正的方法成功控制了TBD620V12曲轴渗氮过程中的畸变,渗氮后第4主轴颈、第3和第5主轴颈、第2和第6主轴颈的摆差分别小于0.12mm、0.08mm、0.05mm。
The distortion law of high-speed diesel crankshafts during nitriding was studied. The influence of crankshafts shape and nitriding process parameters on the distortion was analyzed. The distortion of nitrided TBD620V12 crankshafts was successfully controlled by adding wedge iron between two connecting rod journals for pre-correction. The run-out of the forth, the third and fifth, the second and sixth main journals after nitriding were less than 0. 12mm,0. 08mm,0.05mm respectively.
出处
《金属热处理》
EI
CAS
CSCD
北大核心
2005年第9期79-82,共4页
Heat Treatment of Metals
关键词
曲轴
渗氮
畸变
预校正
crankshafts
nitriding
distortion
pre-correction
