Development of Friction Drive Screw with Adjustable Lead Angle Mechanism

可调导程角机构摩擦传动丝杠的研制

基本信息

  • 批准号:
    11650158
  • 负责人:
  • 金额:
    $ 0.96万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 财政年份:
    1999
  • 资助国家:
    日本
  • 起止时间:
    1999 至 2000
  • 项目状态:
    已结题

项目摘要

Two types of friction drive screw mechanism have been used in practice. One has rolling contacts between a cylindrical shaft and outer surfaces of several radial bearings, and another has rolling contacts between a screw shaft and inner rings of several radial bearings. In this study, a new type of friction drive screw with adjustable lead angle mechanism is developed. This friction drive screw mechanism allows stop, start, reverse and adjustable speed regardless of drive shaft speed. The adjustable lead angle mechanism is driven and controlled by an ultra sonic motor and a reducer. We wish to report on the design and characteristics of a new type of friction drive screw with the adjustable lead angle mechanism which we have developed and of which we have tested the operating performance. Conclusions drawn from the present research are summarized in the following. (1) The unique serial combination of linear and radial bearings makes a screw motion between the friction drive bearing and the drive shaft. (2) Torque required to tilt the lead angle of the friction drive bearing on the drive shaft is numerically analyzed. (3) Operating tests reveal that the adjustable lead angle mechanism allows smooth movement at lead angle ranging from -20 to 20 degree. (4) The rest of friction drive screw, namely a lead angle of 0 degree, is maintained regardless of drive shaft speed. (5) Repeat reciprocating and accelerated motions are also performed by the control of the ultra sonic motor regardless of drive shaft speed.
两种类型的摩擦传动螺旋机构已在实践中使用。一种是圆柱形轴和几个径向轴承的外表面之间的滚动接触,另一种是螺旋轴和几个径向轴承的内圈之间的滚动接触。本研究提出一种新型可调导程角摩擦传动螺杆机构。这种摩擦驱动螺杆机构允许停止,启动,逆转和可调速度,无论驱动轴的速度。导程角可调机构由超声波电机和减速器驱动控制。我们希望报告我们开发的一种新型带可调导程角机构的摩擦传动螺杆的设计和特点,并测试了其运行性能。从本研究中得出的结论总结如下。(1)直线轴承和径向轴承的独特串联组合使摩擦驱动轴承和驱动轴之间产生螺旋运动。(2)对驱动轴上的摩擦驱动轴承的导程角倾斜所需的扭矩进行了数值分析。(3)运行试验表明,可调导程角机构允许在-20至20度的导程角范围内平稳移动。(4)摩擦驱动螺杆的其余部分,即0度的导程角,无论驱动轴速度如何都保持不变。(5)重复的往复运动和加速运动也通过控制超声波电机来执行,而不管驱动轴的速度如何。

项目成果

期刊论文数量(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
下田博一, 関口稔也, 山本直太: "リード可変形フリクションドライブ式転がりねじの開発研究"日本設計工学会2002年度春季研究発表講演会講演論文集. (2002)
Hirokazu Shimoda、Toshiya Sekiguchi、Naota Yamamoto:“可变导程摩擦传动滚动丝杠的开发研究”日本设计工程学会 2002 年春季研究发表会议论文集(2002 年)。
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
  • 通讯作者:
Shimoda, H. and Kubo, T.: "Operating Performance of Friction Drive Screw, Japan Society for Design Engineering"Proceedings of Spring Conference. 95-98 (2000)
Shimoda, H. 和 Kubo, T.:“摩擦传动螺杆的运行性能,日本设计工程学会”春季会议论文集。
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    0
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SHIMODA Hirokazu的其他文献

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