Online measurement and error compensation technology for spiral surfaces

Zhaoqiang Chen; Minde Shen; Hui Li

doi:10.1117/12.819603

31 December 2008 Online measurement and error compensation technology for spiral surfaces

Zhaoqiang Chen, Minde Shen, Hui Li

Proceedings Volume 7130, Fourth International Symposium on Precision Mechanical Measurements; 71301T (2008) https://doi.org/10.1117/12.819603
Event: Fourth International Symposium on Precision Mechanical Measurements, 2008, Anhui, China

Abstract

Because the application of spiral machinery become more and more extensive, the manufacturing and measuring technology of spiral surface, which is regarded as the key of spiral machinery, is becoming a most important research domain. With the requirement of higher speed and better performance of modern machinery, the higher precision of spiral surface is desired. So measuring technology of spiral surface seems particularly important. But it is still inconvenient for the measurement results of spiral surface from three coordinate measuring machine being directly applied for error analysis and error compensation in machining process. For the geometric characteristics, the measurement of spiral surface can be simplified the measurement of end cross-section and spiral individually. Because spiral is only relevant to lead which can be calculated precisely with simple method, spiral can be obtained analytically. Therefore, the measurement for spiral surface is practically for its end cross-section. With the end cross-section as criterion of its error evaluation, the shape of end cross-section can be obtained through two coordinate online measuring. According to the minimum condition, the error analysis for the results of reverse is done, the practical measurement points are fairly treated, and compensation is done reasonably. The aim is to realize online revision for NC program, to realize the control of machine, and thus the compensation of the tool is carried out. NC screw rod milling machine will be developed towards stronger robust, higher precision and integration with this function being integrated in the Open-architecture Numerical Control System.

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Zhaoqiang Chen, Minde Shen, and Hui Li "Online measurement and error compensation technology for spiral surfaces", Proc. SPIE 7130, Fourth International Symposium on Precision Mechanical Measurements, 71301T (31 December 2008); https://doi.org/10.1117/12.819603

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KEYWORDS

Error analysis

Lithium

Lead

Manufacturing

Data processing

Integration

Control systems

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