【摘要】：基于橢圓劃分和奇異點識別電火花放電點分布研究對可導(dǎo)電的金屬進(jìn)行精度高、效率高的切割。在以往的檢測過程中忽略了一個重要的問題,就是對數(shù)據(jù)的優(yōu)化。因為數(shù)據(jù)的研究直接導(dǎo)致了在對放電點位置檢測以及評價的好壞。當(dāng)在對數(shù)據(jù)進(jìn)行研究的過程中,數(shù)據(jù)的結(jié)果直接影響了最后對WEDM檢測評價的可靠以及規(guī)律性的研究。對所檢測的出來的放電點去除噪點,排除不可能的因素從而使得檢測的結(jié)果更精確評價系統(tǒng)。對WEDM放電點位置檢測:對WEDM的加工方法進(jìn)行比較,對WEDM放電點位置檢測的不同模塊、不同原理進(jìn)行研究,選擇合理高效的WEDM放電點位置檢測方法應(yīng)用到電火花線切割中,通過對WEDM放電點位置量化、優(yōu)化以及評價模塊的搭建,達(dá)到放電點檢測的效果。分析對比WEDM放電點位置檢測硬件系統(tǒng)的搭建,通過對LABVIEW可視化語言對整個WEDM放電點位置檢測模塊進(jìn)行搭建;WEDM放電點位置檢測實驗研究。測試整個檢測系統(tǒng)的可行性以及標(biāo)定實驗的設(shè)計,針對WEDM位置檢測實驗研究的在研究的過程中線材的長度進(jìn)行優(yōu)化,并且在確立實驗的過程中提高對WEDM位置檢測實驗研究的準(zhǔn)確性以及高效性,探究當(dāng)WEDM加工過程中加工在乳化液DX-1介質(zhì)中、在25ml/min蒸汽水霧介質(zhì)中、在15ml/min超聲水霧介質(zhì)中和在大氣介質(zhì)中他們的放電點位置均勻性是如何進(jìn)行變化的,同時去探究偏移量的增加和放電點均勻性之間規(guī)律以及工進(jìn)給速度增加和均勻性之間的規(guī)律和聯(lián)系。最終在微觀的情況下得到不同狀態(tài)下放電點分布的加工電參數(shù)和非電參數(shù),得到相應(yīng)最優(yōu)的加工質(zhì)量。
[Abstract]:Based on Elliptic Partition and singular Point recognition the Electrical Spark discharge Point Distribution (ESD) is used to cut conductive metals with high precision and efficiency. In the past, an important problem has been neglected in the detection process, that is, the optimization of data. Because the data research directly results in the detection and evaluation of the discharge point position. When the data are studied, the results of the data directly affect the reliability and regularity of the final evaluation of WEDM detection. The noise is removed from the detected discharge points and the impossible factors are eliminated to make the system more accurate. Position detection of WEDM discharge point: compare the machining methods of WEDM, study different modules and different principles of WEDM discharge point position detection, select reasonable and efficient WEDM discharge point position detection method to be applied to WEDM. Through quantization, optimization and evaluation of WEDM discharge point position, the effect of discharge point detection is achieved. This paper analyzes and compares the construction of WEDM discharge point position detection hardware system, builds the whole WEDM discharge point position detection module by LABVIEW visual language, and studies the experimental research of WEDM discharge point position detection. The feasibility of testing the whole detection system and the design of calibration experiment are tested. The length of wire rod is optimized in the course of the research of WEDM position detection experiment. And in the process of establishing the experiment, the accuracy and efficiency of the experimental research on the WEDM position detection are improved. It is explored that when the WEDM is processed in the emulsion DX-1 medium and in the 25ml/min steam water mist medium, How the uniformity of their discharge points changes in 15ml/min ultrasonic water mist media and in atmospheric media, At the same time, the law and relation between the increase of offset and the uniformity of discharge point and the increase of feed speed and uniformity are explored. Finally, the electrical and non-electrical parameters of the discharge point distribution in different states are obtained under the micro condition, and the corresponding optimal machining quality is obtained.
【學(xué)位授予單位】：哈爾濱理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TG484

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