| 高精度偏置内抛物面的数控加工方法 |
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| 引用本文： | 严瑞强,楚功,门延会,肖善华,甘露.高精度偏置内抛物面的数控加工方法[J].组合机床与自动化加工技术,2019(1):144-146. |
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| 作者姓名： | 严瑞强 楚功 门延会 肖善华 甘露 |
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| 作者单位： | 宜宾职业技术学院;五粮液集团有限公司;中核建中核燃料元件有限公司 |
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| 基金项目： | 四川省教育厅自然科学基金(18ZB0675);宜宾市重点科技项目(2016GY022);宜宾职业技术学院科研项目(ybzysc16-21);宜宾市应用基础研究科技项目(2018SF008) |
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| 摘 要： | 针对偏置内抛物面零件加工精度不高的问题,根据偏置抛物线数学模型,编制直线逼近抛物线粗加工宏程序;根据圆弧逼近抛物线数学模型,编制圆弧逼近抛物线精加工宏程序。在FANUC0i数控车床上进行加工,并与在相同条件下,直线逼近法对比验证,结果表明,采用圆弧逼近抛物线法进行精加工,将内抛物面零件的尺寸精度提高两个公差等级,表面粗糙度提高到0.4μm,具有较高的实用价值。
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| 关 键 词： | 高精度 内抛物面 宏程序 圆弧逼近 数控加工 |
NC Machining Method for High Precision Offset Internal Paraboloid |
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| YAN Rui-qiang,CHU Gong,MEN Yan-hui,XIAO Shan-hua,GAN Lu.NC Machining Method for High Precision Offset Internal Paraboloid[J].Modular Machine Tool & Automatic Manufacturing Technique,2019(1):144-146. |
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| Authors: | YAN Rui-qiang CHU Gong MEN Yan-hui XIAO Shan-hua GAN Lu |
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| Affiliation: | (Yibin Wuliangye Group Company Ltd.,Yibin Sichuan 644000,China;YiBin Vocational and Technical College,Yibin Sichuan 644000,China) |
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| Abstract: | Aiming at the problem that the machining accuracy of offset inner paraboloid parts is not high,According to the mathematical model of the offset parabola,Compilation of linear approximation parabolic rough machining macro program;According to the mathematical model of parabolic approximation,Compiling arc approximation parabola precision machining program,Machining on FANUC 0i NC lathe,And under the same conditions,the linear approximation method is compared with the verification.The results show that the arc approximation parabola method is used to finish machining,Raising the dimensional accuracy of the inner paraboloid parts by two tolerance grades,Surface roughness is increased to 0.4μm,It has high practical value. |
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| Keywords: | high precision inner paraboloid macro program arc approximation NC machining |
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