1.扬州大学 机械工程学院, 江苏 扬州 225127
于晨伟(1994— ),男,江苏徐州人,在读硕士研究生,主要研究方向为齿轮加工装备及数控技术。
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于晨伟,宋爱平,赵昆鹏等.椭圆弧齿线圆柱齿轮加工方法分析与加工仿真[J].机械传动,2021,45(02):111-116.
Yu Chenwei,Song Aiping,Zhao Kunpeng,et al.Elliptic-arc-tooth-trace Cylindrical Gear Machining Method Analysis and Machining Simulation[J].Journal of Mechanical Transmission,2021,45(02):111-116.
于晨伟,宋爱平,赵昆鹏等.椭圆弧齿线圆柱齿轮加工方法分析与加工仿真[J].机械传动,2021,45(02):111-116. DOI: 10.16578/j.issn.1004.2539.2021.02.017.
Yu Chenwei,Song Aiping,Zhao Kunpeng,et al.Elliptic-arc-tooth-trace Cylindrical Gear Machining Method Analysis and Machining Simulation[J].Journal of Mechanical Transmission,2021,45(02):111-116. DOI: 10.16578/j.issn.1004.2539.2021.02.017.
在分析现有圆弧齿线圆柱齿轮基础上,阐述了一种渐开线椭圆弧齿线圆柱齿轮的主要几何参数:齿廓为渐开线齿廓,任意垂直轴线的截面上周向齿厚、周向齿槽宽、分度圆处的压力角相等,齿线在分度圆柱面上的展开线是对称椭圆弧。推导了齿轮齿面方程、端面齿廓方程和接触线方程。提出了倾斜式旋转刀盘齿轮加工方法,利用VERICUT建立齿轮专用加工刀具模型,对椭圆弧齿线圆柱齿轮进行仿真加工,利用仿真后得到的齿轮模型进行了齿轮副接触线特性分析。结果表明,椭圆弧齿线圆柱齿轮副可以实现全齿宽线接触,验证了加工方法的可行性,为渐开线椭圆弧齿圆柱齿轮的加工和应用提供基础。
On the basis of the analysis on the circular-arc-tooth-trace cylindrical gear, the geometrical parameters of involute elliptic-arc-tooth-trace cylindrical gear are expounded. It can be concluded that the tooth profiles remain the same involute on any vertical axis section, its tooth thickness is equal to the slot width on the different vertical axis section of the gear teeth, and pressure angle at the reference circle is equal, the expanded tooth trace on reference cylinder is a symmetrical elliptical arc. The equations of tooth surface, transverse tooth profile and contact curve are derived. Meantime, the tilting rotary cutter processing method is proposed. The models of the gear special cutters are established in VERICUT. The elliptic-arc-tooth-trace cylindrical gear machined by the tilting rotary cutter processing method is carried out by VERICUT machining simulation. The contact curve characteristics of the gear pair are analyzed by using the gear models obtained from the simulation. The results show that the elliptic-arc-tooth-trace cylindrical gear pair can achieve full tooth width curve contact, which verifies the feasibility of the machining method. It provides the basis for the machining and application of the involute elliptic-arc-tooth-trace cylindrical gear.
椭圆弧齿线圆柱齿轮几何参数倾斜式刀盘加工仿真
Elliptic-arc-tooth-trace cylindrical gearGeometric parameterTilting rotary cutterMachining simulation
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