Transactions of Materials and Heat Treatment

Title：Reverse engineering and precision computing

Authors： Li Ming yao (School of Material Engineering Shanghai University of Engineering Science Shanghai 200336 China)

Unit：

KeyWords： precision computing sector gear window moving machine reverse engineering

ClassificationCode：TB2

year,vol(issue):pagenumber：2005,30(1):39-41

Abstract：

We usually pay attention to the work on computer and ignore the precision computing in the reverse engineeringThis paper uses an example making a sector gear of window moving machine of an automobile to show the importance of the precision computing in the reverse engineeringThe parameters of the sector gear are gotThe sector gear measure method and the process, the stamping technology,die and mould, NC WEDM working are introducedThe outside diameter and root diameter of the gear are measured directly from the partThe centre distance between the gear pair are measured from the assemblyThere are other parameters of the matched small gear from the providerThe other parameters of the gear part of the sector gear can be computed according to the known conditionsThe other dimensions of the sector gear can be obtained from the normal reverse engineeringIt makes reverse engineering more accurate to combine with the precision computing

Funds：

Reference：

[1]　孙庆华.齿轮测量[M]北京:中国计量出版社,1998.
[2]　许智钦,孙长库3D逆向工程技术[M]北京:中国计量出版社,2002

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