【摘要】：薄壁軸承套圈是軸承零件系列中壁厚較薄的一種,其檢測(cè)精度要求極高。在成品測(cè)量過(guò)程中,現(xiàn)有的軸承專用檢測(cè)儀器存在一定的局限性,第一,可能會(huì)由于套圈的彈性變形得不到準(zhǔn)確的測(cè)量結(jié)果;第二,傳統(tǒng)的接觸式測(cè)量可能會(huì)對(duì)軸承表面造成劃傷,影響產(chǎn)品質(zhì)量;第三,受測(cè)量原理的限制,無(wú)法一次完成多個(gè)參數(shù)的測(cè)量。因此,為了能夠得到更加準(zhǔn)確的測(cè)量結(jié)果,需要開(kāi)發(fā)一種新型測(cè)量?jī)x器,完成薄壁軸承套圈的高精度測(cè)量。本文以薄壁軸承的非接觸測(cè)量?jī)x器和非接觸測(cè)量方法為研究對(duì)象,在理論研究的基礎(chǔ)上,利用誤差分離技術(shù)、計(jì)算機(jī)技術(shù)以及OpenGL圖像技術(shù),對(duì)測(cè)量軟件框架、測(cè)量系統(tǒng)、圖形重構(gòu)等內(nèi)容展開(kāi)研究。對(duì)薄壁類精密零件的特性做了分析,并對(duì)其測(cè)量手段、圓柱度誤差的分離計(jì)算方法進(jìn)行了對(duì)比分析,最終將三點(diǎn)法作為研究重點(diǎn)以及新型儀器的測(cè)量方法。按照非接觸測(cè)量的要求和三點(diǎn)法測(cè)量原理,擬定了薄壁軸承外徑非接觸測(cè)量?jī)x的測(cè)量方案,并對(duì)YZD-400型圓柱度測(cè)量?jī)x進(jìn)行了改造,使之適用于三點(diǎn)法測(cè)量。利用C#語(yǔ)言在Microsoft Visual Studio2010環(huán)境下編寫了圓柱度誤差的分離計(jì)算軟件,生成可操作的界面,軟件包含運(yùn)動(dòng)控制、數(shù)據(jù)采集、誤差分離、圖形重構(gòu)等功能,并利用OpenGL圖形技術(shù)重構(gòu)出圓柱體形貌特征。最后進(jìn)行了實(shí)驗(yàn)測(cè)量,經(jīng)過(guò)對(duì)標(biāo)準(zhǔn)件圓度誤差的多次測(cè)量,結(jié)果與標(biāo)準(zhǔn)件所標(biāo)注精度一致,又與原裝傳感器做了對(duì)比測(cè)量實(shí)驗(yàn),兩者的測(cè)量結(jié)果相互符合,證明了新型儀器達(dá)到了所要求的測(cè)量精度,滿足了測(cè)量需求。該儀器的成功研制對(duì)于檢驗(yàn)薄壁套圈類產(chǎn)品質(zhì)量,有效地提高產(chǎn)品合格率,具有一定的應(yīng)用價(jià)值。
[Abstract]:Thin-wall bearing ring is a kind of thin wall thickness in bearing parts series, and its detection precision is very high. In the process of measuring the finished product, the existing special measuring instruments for bearing have some limitations. First, the elastic deformation of the ring may not get accurate measurement results; second, The traditional contact measurement may cause scratches on the bearing surface and affect the product quality. Thirdly, the measurement of multiple parameters can not be completed at a time because of the limitation of the measuring principle. Therefore, in order to obtain more accurate measurement results, it is necessary to develop a new measuring instrument to complete the high-precision measurement of thin-walled bearing rings. This paper takes the non-contact measuring instrument and non-contact measuring method of thin-walled bearing as the research object. On the basis of theoretical research, using error separation technology, computer technology and OpenGL image technology, the measurement software frame and measurement system are analyzed. Graphics reconstruction and other contents of the study. The characteristics of thin-walled precision parts are analyzed, and the measuring methods and the calculation methods of the cylindrical error are compared and analyzed. Finally, the three-point method is taken as the focus of the research and the measuring method of the new instrument. According to the requirements of non-contact measurement and the principle of three-point measurement, the measuring scheme of the non-contact measuring instrument for the outer diameter of thin-walled bearing is worked out, and the YZD-400 type cylindrical measuring instrument is modified to be suitable for three-point measurement. Using C # language in Microsoft Visual Studio2010 environment, the separation and calculation software of Cylindricity error is written, which can generate an operable interface. The software includes the functions of motion control, data acquisition, error separation, graph reconstruction, and so on. The shape of the cylinder was reconstructed by OpenGL technique. Finally, the experimental measurement is carried out. After several measurements of the roundness error of the standard parts, the results are consistent with the precision of the standard parts, and the results are compared with those of the original sensors. The results of the two measurements are in accordance with each other. It is proved that the new instrument achieves the required precision and meets the requirement of measurement. The successful development of the instrument has certain application value for testing the quality of thin-walled ring products and effectively improving the qualified rate of products.
【學(xué)位授予單位】：河南科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TH133.3;TG835

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