Cracks frequently generated in basin gear of big modulus main reducer used in heavy load truck after carbonizing and quenching.
大模数重载汽车主减速器盆形齿轮经渗碳淬火后,齿轮齿面经常会出现裂纹。
The shape characteristic of railway wheel with thin rim width and deep dish was presented.
借助商业有限元软件MSC/Superform,研究了薄轮辋、深盆形车轮的成形技术,较好地解决了具有薄轮辋、深盆形特点车轮的热成形工艺设计问题,获得了显著的经济效益和社会效益。
Parameter estimation for the two-parameter bathtub-shaped lifetime distribution;
一个两参数有浴盆形状失效率的寿命分布的参数估计