本文選題：滾珠絲杠 + 滾道型面　； 參考：《南京理工大學(xué)》2017年碩士論文

【摘要】：本課題以國家科技重大專項"功能部件測試試驗共性技術(shù)研究與能力建設(shè)(2016ZX04004007)"為背景,針對內(nèi)外螺旋滾道型面檢測方法與裝置進(jìn)行研究。課題完成了絲杠滾道型面檢測系統(tǒng)的搭建,包括測控系統(tǒng)的搭建,測控軟件的開發(fā),精度分析及光幕式位移傳感器安裝誤差的補償方法,試驗方法的制定及試驗數(shù)據(jù)的分析。在此基礎(chǔ)上,提出了基于絲杠滾道型面檢測系統(tǒng)的絲杠行程誤差測量方法。根據(jù)絲杠滾道型面檢測系統(tǒng)的工作原理,搭建起了檢測系統(tǒng)的硬件部分。設(shè)計了數(shù)據(jù)預(yù)處理的方法,研究了圓弧擬合算法、滾珠球心位置求取方法以及滾道參數(shù)計算方法。在此基礎(chǔ)上,根據(jù)試驗要求使用Visual C++編譯軟件設(shè)計了測控軟件,實現(xiàn)了絲杠滾道型面檢測系統(tǒng)的自動化測量。分析了絲杠滾道型面檢測系統(tǒng)的系統(tǒng)誤差,包括位移傳感器的安裝誤差、絲杠安裝偏心誤差、氣浮移動平臺的直線度、測量架的旋轉(zhuǎn)精度以及光柵尺的精度。通過設(shè)計算法,使用兩步牛頓迭代法求解光幕式位移傳感器在豎直面內(nèi)的安裝誤差,使用對稱作圖法求出光幕式位移傳感器在水平面內(nèi)的安裝誤差,并通過試驗驗證兩種方法的有效性。對絲杠滾道型面檢測系統(tǒng)的測量精度和重復(fù)精度進(jìn)行了試驗驗證。試驗結(jié)果表明檢測系統(tǒng)的測量精度和重復(fù)精度滿足要求。在此基礎(chǔ)上,測量國內(nèi)外絲杠的的滾道參數(shù),做對比試驗,并給出了評價結(jié)果�；诮z杠滾道型面檢測系統(tǒng),提出了一種新型的絲杠行程誤差測量方法。該測量方法不僅能實現(xiàn)絲杠行程誤差的靜態(tài)測量,還能模擬動態(tài)測量,并且能徹底消除接觸應(yīng)力、振動干擾信號對測量結(jié)果的影響。與滾珠絲杠副行程誤差動態(tài)測量儀的對比試驗表明,該檢測方法穩(wěn)定可靠,且精度高。
[Abstract]:This subject is based on the national science and technology major project "functional component test common technology research and capacity building (2016ZX04004007)" as the background, for the internal and external spiral raceway profile detection methods and devices were studied. The subject has completed the construction of the lead screw raceway profile detection system, including the construction of the measurement and control system, the development of the measurement and control software, the precision analysis and the compensation method of the installation error of the light-screen displacement sensor, the formulation of the test method and the analysis of the test data. On the basis of this, a method of measuring the stroke error of the lead screw based on the measuring system of the lead screw raceway profile is put forward. According to the working principle of the lead screw raceway profile detection system, the hardware part of the detection system is built. The method of data preprocessing is designed, and the arc fitting algorithm, the calculation method of ball center position and the calculation method of raceway parameters are studied. On this basis, the measurement and control software is designed by using Visual C compiler software according to the test requirements, and the automatic measurement of the lead screw raceway profile detection system is realized. The systematic errors of the measuring system for the profile of the lead screw raceway are analyzed, including the installation error of the displacement sensor, the offset error of the lead screw installation, the straightness of the air floating moving platform, the rotation accuracy of the measuring frame and the precision of the grating ruler. Through the design algorithm, two-step Newton iterative method is used to solve the installation error of the light-screen displacement sensor in the vertical plane, and the symmetrical drawing method is used to calculate the installation error of the light-screen displacement sensor in the horizontal plane. The effectiveness of the two methods is verified by experiments. The measuring accuracy and repetition accuracy of the lead screw raceway profile detection system are tested and verified. The test results show that the measurement accuracy and repetition accuracy of the detection system meet the requirements. On this basis, the raceway parameters of the domestic and foreign lead screws are measured, and the comparative tests are made, and the evaluation results are given. A new method for measuring the stroke error of the lead screw is presented based on the measuring system of the lead screw raceway profile. This method can not only realize the static measurement of the stroke error of the lead screw, but also simulate the dynamic measurement, and completely eliminate the contact stress and the effect of vibration interference signal on the measurement results. The test results show that the method is stable and reliable, and the accuracy is high.
【學(xué)位授予單位】：南京理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TG806

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