滚珠型弧面凸轮机构的摩擦学设计

doi:10.16578/j.issn.1004.2539.2012.08.025

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滚珠型弧面凸轮机构的摩擦学设计

更新时间：2025-04-03

- 滚珠型弧面凸轮机构的摩擦学设计
- Vol. 36, Issue 8, Pages: 74-76(2012)
- 作者机构：
  
  威海职业学院机电工程系
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2012.08.025
  CLC： TH112.2
- Published：2012
- 稿件说明：
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[1]于春玲.滚珠型弧面凸轮机构的摩擦学设计[J].机械传动,2012,36(08):74-76.

[J]. 2012, 36(8): 74-76.
[1]于春玲.滚珠型弧面凸轮机构的摩擦学设计[J].机械传动,2012,36(08):74-76. DOI： 10.16578/j.issn.1004.2539.2012.08.025.

[J]. 2012, 36(8): 74-76. DOI： 10.16578/j.issn.1004.2539.2012.08.025.

摘要

在滚珠型弧面凸轮机构的设计中引入摩擦学设计方法

推导出钢球和凸轮滚道接触的最小油膜厚度计算公式。为了保证机构的润滑状态

采用膜厚比进行润滑状态的判断

并以此作为设计准则。同时为了防止油膜温升导致润滑失效

计算出润滑油膜的最大温升

利用润滑油的黏温特性

计算出油膜厚度降低系数

对常温下油膜厚度进行修正。在设计中兼顾强度设计和压力角校核

满足机构的使用性能

减少摩擦和磨损。

Abstract

Tribology design methods are applied in the design of ball globoidal cam

and the calculation formulae of EHD oil film thickness between steel ball and cam raceways are deduced.That the film thickness ratio used in judging lubrication state is adopted as design criteria for ensuring lubrication state.In order to prevent lubrication failure caused by oil film high temperature

by viscosity-temperature characteristics of lubrication oil

the oil film thickness reduction factor is calculated amending oil film thickness calculating in normal temperature.Strength Design and pressure angle are calculated for satisfying with service performance

and the frictional wear is decreased.

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Parameter Analysis and Elastohydrodynamic Lubrication of the Precision Steel Ball Transmission

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安徽理工大学机械工程学院

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