3.The relationship between braking deceration and braking force on safety catchesof cages is discussed,and put forward a new method graphic method for solving the question.
讨论了防坠器制动力与制动减速度之间关系,提出了求解该问题方法——图解法;
4.It is the latest design,using symmetric spherical roller , two pcs of pressed steel cages,flangeless inner ring & guide ring centred on the cage.