Two Methods of 3D Parameterized Modeling of Straight Toothed Gear in CAD

Journal of Liaoning Petrochemical University ›› 2005, Vol. 25 ›› Issue (3): 50-53.

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Two Methods of 3D Parameterized Modeling of Straight Toothed Gear in CAD

School of Mechanical Engineering , Liaoning University of Petroleum & Chemical Technology ,
Fushun Liaoning 113001 , P .R .China

Received:2005-03-28 Published:2005-03-25 Online:2005-03-25

CAD 中直齿圆柱齿轮三维参数化造型的两种方法

宿　崇, 赵恒华^＊ , 高兴军

辽宁石油化工大学机械工程学院, 辽宁抚顺113001

作者简介:宿崇(1979 -), 男, 辽宁铁岭市, 在读硕士。

Abstract

Abstract:

　 Adopting AutoLISP language in AutoCAD, 3D parameterized modeling of machine products based on features was realized.Under the platform of AutoCAD2000 , taking a straight toothed g ear for an example , two kinds of parameterized modeling methods w ere adopted to implement 3D parameterized modeling of straight toothed gear .The gear can be generated after a user inputs necessary parameter values.The designed gear has good heritage characteristics , therefore reduces repeated working of designers and improves greatly design efficiency .Using emulation machining method to model a straight toothed gear parametrically , it can not only implement dimension driving , but also generate accurate standard gear model.The method w ill provide a design basis for more complicated machine parts.

Key words: AutoCAD, 　Straight toothed gear , 　Parameterized design

摘要： 　采用AutoCAD 嵌入式开发语言AutoLISP, 实现基于特征的机械产品三维参数化造型。以AutoCAD2000 为开发平台, 以渐开线式直齿圆柱齿轮为例, 采用了两种参数化造型方法, 成功实现了直齿圆柱齿轮的三维参数化建模。用户在使用时可以根据具体需求输入参数值。设计出的齿轮具有良好的延续性和继承性。用仿真加工的方法对直齿圆柱齿轮进行参数化建模, 不仅能实现尺寸驱动模型, 还能生成准确度较高的标准齿轮模型, 该方法的提出将为设计其它几何形状更为复杂的机械零件提供一定的帮助。

关键词: AutoCAD, 　圆柱直齿轮, 　参数化设计

S U Chong,ZHAO Heng -hua,GAO Xing -jun. Two Methods of 3D Parameterized Modeling of Straight Toothed Gear in CAD[J]. Journal of Liaoning Petrochemical University, 2005, 25(3): 50-53.

宿　崇, 赵恒华,高兴军. CAD 中直齿圆柱齿轮三维参数化造型的两种方法[J]. 辽宁石油化工大学学报, 2005, 25(3): 50-53.

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Two Methods of 3D Parameterized Modeling of Straight Toothed Gear in CAD

CAD 中直齿圆柱齿轮三维参数化造型的两种方法

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