The stepper ball screw nut has been used in a beam monitor system of Beijing proton synchrotron.
本文阐述的步进滚珠丝杠副已应用于北京质子加速器的束流测量系统中。
The good connection between the steel sleeve and the anchor ring is ensured by the fastening of the high strength screw nut.
通过高强螺母的紧固保证钢套管与锚环之间良好连接。
The swinging rotating joint consists of spherical body, thread joint sleeve, locking screw nut, large copper washer and two spherical rings.
本发明摆动旋转接头由球型接头体，螺纹接头套，锁紧螺帽，大铜垫和两个球面转环构成。
On the rod body, a washer is sheathed with the part which is corresponding to the part between the tray and the screw nut of each compressing piece.
杆体上对应于每套压紧件中的托盘和螺母之间处均套装一个垫圈。
Because the mechanism replaces a traditional screw rod and screw nut mechanism, the rotary furniture has simple structure, stable rotation and low cost.
用这种机构代替传统的螺杆螺母机构。可使旋转类家具结构简单，旋转平稳，成本降低。
Objective To investigate the advantages of the treatment of femoral intercondylar comminuted fracture with retrograde intramedullary supracondylar nail and stable screw nut.
目的探讨股骨髁上交锁髓内钉加稳定螺母治疗股骨髁间粉碎骨折的优势。
Lift mechanisms are arranged on the front running device and the rear running device which can be separated and can be inserted and fixed to form integration by a screw bolt and a screw nut.
前行路装置与后行路装置上均设有升降机构，前行路装置与后行路装置可分离，也可插接并用螺栓、螺母固定成一体。
Usually there are 12 categories which are bolt , stud, screw, nut , self tapping screw, wood screw, gasket, retainer ring, pin, composite member, bolting, and soldering lamp.
它通常包括以下十二类零件：螺栓、螺柱、螺钉、螺母、自攻螺钉、木螺钉、垫圈、挡圈、销、组合件和连接副、焊钉等。
By the use of double hidden layered BP artificial neural network a mathematical model of relationship between wear rate of screw-nut pair and sliding speed is established.
用双隐层BP人工神经网络，建立了丝杆螺母副的磨损率与滑动速度关系的数学模型。
By the use of double hidden layered BP artificial neural network a mathematical model of relationship between wear rate of screw-nut pair and sliding speed is established.
用双隐层BP人工神经网络，建立了丝杆螺母副的磨损率与滑动速度关系的数学模型。
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