【摘要】：隨著現(xiàn)代化科學(xué)、技術(shù)和生產(chǎn)的發(fā)展,許多高精度、低粗糙度、特硬和有色金屬材料制成的小尺寸軸、盤(pán)類(lèi)回轉(zhuǎn)體零件,要求以車(chē)代磨一次加工成功,這就對(duì)數(shù)控車(chē)床的速度、精度和剛度提出了很高的要求,伺服特性是衡量數(shù)控車(chē)床加工質(zhì)量高低的最重要的性能指標(biāo)之一。因此,數(shù)控車(chē)床進(jìn)給系統(tǒng)的研究已成為一個(gè)十分重要的課題。本文對(duì)FANUC系統(tǒng)數(shù)控車(chē)床的進(jìn)給伺服系統(tǒng)進(jìn)行了研究分析,根據(jù)伺服進(jìn)給系統(tǒng)的結(jié)構(gòu)關(guān)系和各組成部分之間的內(nèi)在聯(lián)系,通過(guò)理論推導(dǎo)的方法分別建立了數(shù)控車(chē)床伺服進(jìn)給系統(tǒng)的機(jī)械傳動(dòng)部分模型,電氣伺服驅(qū)動(dòng)部分模型,并對(duì)伺服驅(qū)動(dòng)部分中的電流環(huán)、速度環(huán)、位置環(huán)進(jìn)行分別建模。最后推導(dǎo)總結(jié)各分體模型,建立了包含機(jī)械傳動(dòng)部分及電氣伺服驅(qū)動(dòng)部分在內(nèi)的綜合進(jìn)給系統(tǒng)模型。結(jié)合實(shí)際機(jī)型,選取相關(guān)參數(shù),對(duì)各模型進(jìn)行仿真,并對(duì)仿真結(jié)果進(jìn)行分析總結(jié)。在對(duì)數(shù)控車(chē)床進(jìn)給伺服系統(tǒng)進(jìn)行分析、建模、仿真后,本文著重介紹了如何利用FANUC數(shù)控系統(tǒng)Servo Guide軟件進(jìn)行伺服系統(tǒng)中伺服參數(shù)的調(diào)整,對(duì)Servo Guide軟件測(cè)試出來(lái)的圖形進(jìn)行分析,驗(yàn)證了仿真結(jié)果的同時(shí)也總結(jié)了基于FANUC數(shù)控系統(tǒng)的數(shù)控車(chē)床進(jìn)給伺服系統(tǒng)的電氣調(diào)試及優(yōu)化方法。其方法及結(jié)果可為工程設(shè)計(jì)及調(diào)試提供實(shí)際參考依據(jù),具有一定的工程應(yīng)用價(jià)值。
[Abstract]:With the development of modern science, technology and production, many parts with high precision, low roughness, special hard and nonferrous metal materials made of small size shafts and diskettes are required to be machined successfully by turning instead of grinding once, which is to the speed of numerical control lathe. High precision and rigidity are required. Servo characteristic is one of the most important performance indexes to measure the machining quality of NC lathe. Therefore, the research of CNC lathe feed system has become a very important subject. In this paper, the feed servo system of CNC lathe in FANUC system is studied and analyzed. According to the structure relation of servo feed system and the internal relation between each component, The mechanical drive model and electric servo drive part model of servo feed system of NC lathe are established by the method of theoretical derivation, and the current loop, velocity loop and position loop in servo drive part are modeled respectively. Finally, the model of the integrated feed system including the mechanical drive part and the electric servo drive part is established. Combined with the actual model, the relevant parameters are selected to simulate each model, and the simulation results are analyzed and summarized. After analyzing, modeling and simulating the feed servo system of NC lathe, this paper emphatically introduces how to adjust the servo parameters of servo system by using Servo Guide software of FANUC NC system, and analyze the graph tested by Servo Guide software. The simulation results are verified and the electrical debugging and optimization methods of feed servo system of NC lathe based on FANUC are also summarized. The method and results can provide practical reference for engineering design and commissioning, and have certain engineering application value.
【學(xué)位授予單位】：東南大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類(lèi)號(hào)】：TG519.1

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