Based on the features of the operating mechanism of the shearer, the optimization methods of the parameters of the screw drum are introduced.
根据螺旋滚筒采煤机工作机构的特点，介绍了螺旋滚筒参数的优选方法。
This article analyses the kinematical feature of the cutting and loading process of the screw drum. It can provide certain theoretical basis for the selection of parameters for the drum.
分析了螺旋滚筒截割和装载过程的运动特性，可为滚筒的参数选择提供一定的理论依据。
The upgraded drum locking device has integral drum locking blocks and a float screw rod, with the antivibration performance improved and the thread clearance eliminated.
改进的穿孔机转鼓器结构，采用整体压鼓块和浮动丝杆，消除了螺纹间隙，提高了抗振性能。
With the upgraded locking device the axial force of the screw rod is reduced by half when roiling, Which makes the drum locked more reliably.
轧制时丝杆轴向受力减小一半，使转鼓被锁紧得更可靠。
With the upgraded locking device the axial force of the screw rod is reduced by half when roiling, Which makes the drum locked more reliably.
轧制时丝杆轴向受力减小一半，使转鼓被锁紧得更可靠。
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