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。
Construction features and design method of hydraulic rope adjusting devices are presented according to defects existing in nut screw pair rope adjusting devices.
针对以往螺母丝杠副调绳装置所存在的缺陷，介绍了液压调绳装置的结构特点及设计方法。
The electric cord transverse robot joint features that toothed belt pulley of the toothed belt pair is fixed on the output shaft of the servo motor and is integrated with the nut of nut-screw pair;
伺服电机的输出轴固定齿形带副的带齿皮带轮，齿形带副的皮带轮与螺母丝杆副的螺母一体；
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