The meaning of SPALL is a small fragment or chip especially of stone.
The meaning of SPALLING HAMMER is a large hammer usually with a flat face and straight peen for breaking and rough-dressing stone.
The universality and graphical physical meaning of the characteristic relationship for thermal activation processes and time stimulate attempts for its utilization to describe the time dependence of the spall strength. The involvement of this relationship to describe spall requires a definite model of the...
We use the definition of gear strength from the German Industrial Standard(DIN) and the Chinese National Standard,compare the strength definition of the tooth surface and tooth root,list all formulas and study the meaning of every factor. 针对目前齿轮箱行业的状况,不同厂商相近箱体却标有较大差异...