Making use of permanent magnetic material as the vibration power, a permanent magnetic vibrating drill machine is developed, which is simple in structure, convenient in operation and low in price.
研制了一种永磁振动钻床，采用永磁材料作为振源，其结构简单，操作方便，价格低廉。
It is a very obvious phenomenon of the drill string vibrating in the drilling.
钻柱振动现象在钻井施工中是非常突出和明显的现象。
Mechanical model of the drill carriage with rotation and vibrating hammer for the new type taphole drill is established.
建立了新型开铁口机电动钻冲机构的力学模型，计算了它的固有频率和主振型。
应用推荐