• Pulleys are on the market that permit an adjustment in the width of the groove. The effective pitch diameter of the pulley is thus varied, and moderate changes in the speed ratio can be secured.

    运行一定时间后,宽度可以调节这样变化的,因此需要进行适当调整满足速度的要求。

    out369.com

  • It is the difference between theoretical normal pitch and its actual measured value. The major element to influence the pitch errors is the runout of gear flank groove.

    推测向周实际测量不同影响周节错误主要因素齿轮侧面有凹槽。

    blog.sina.com.cn

  • With the theory of kinematics, the universal model of changed Angle and variable pitch spiral groove on any turning surface is researched.

    本文应用运动学理论研究任意回转体外表面倾角导程螺旋线通用模型

    dict.cnki.net

  • With the theory of kinematics, the universal model of changed Angle and variable pitch spiral groove on any turning surface is researched.

    本文应用运动学理论研究任意回转体外表面倾角导程螺旋线通用模型

    dict.cnki.net

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