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1)  open washer
(1)开口垫圈(2)弹簧垫圈
2)  Spring washer
弹簧垫圈
1.
The method of using Intelligent Sampling Unit and fuzzy control to achieve the adaptive unripple control in spring washer packing,is described.
介绍了用智能采样、模糊控制来实现弹簧垫圈定量自动包装自适应少节拍、无波纹控制的方法。
2.
In view of the heavy-duty galvanized spring washer for passenger dedicated railway line of turnouts occurs the sudden fracture when pre-tightening,in this paper the macro-fractography,chemical composition,mechanical properties and microstructure of the