本文選題：電主軸 + 電磁式平衡頭�。� 參考：《合肥工業(yè)大學(xué)》2017年碩士論文

【摘要】：隨著旋轉(zhuǎn)機械主軸高速、精密、自動化的發(fā)展,將電機和旋轉(zhuǎn)軸合為一體的電主軸運用而生。電主軸運轉(zhuǎn)速度很高,使用電主軸機床加工的零件的精度要求很高,使得其不平衡量要求更高,許用不平衡量更小,為實現(xiàn)電主軸不停機的在線動平衡,需要設(shè)計一種可控的不平衡量調(diào)節(jié)的主動裝置。本文基于轉(zhuǎn)子動平衡和電磁場理論設(shè)計分析了一款電主軸電磁型平衡頭,并對其控制方案進(jìn)行分析。本文主要工作如下(1)針對電主軸的不平衡量設(shè)計了一款對稱設(shè)計兩個配重盤的電磁型平衡頭結(jié)構(gòu),研究平衡頭中永磁體磁化周圍鐵磁性物質(zhì)特性,研究受到外界磁場影響時永磁體的受力運動,將平衡頭的零部件組成分為動環(huán)和靜環(huán),分析靜環(huán)中的靜環(huán)線圈通電后在靜環(huán)鐵芯和鐵磁板、永磁體組成的回路驅(qū)動原理,動環(huán)中配重盤配重原理,永磁體磁化鐵磁板形成的自鎖原理。(2)對平衡頭零部件的材料性能分析,并對平衡頭結(jié)構(gòu)模型簡化使其適用于Ansoft軟件,簡化后的2D、3D結(jié)構(gòu)模型進(jìn)行磁場分析,主要分析永磁體的受力。(3)基于平衡頭結(jié)構(gòu)提出一種改變磁性板相位的控制方法,該方案相對已有的方案可以增加可實現(xiàn)不平衡的幅值相位數(shù)據(jù),將此數(shù)據(jù)建立為平衡頭可平衡量的數(shù)據(jù)庫,在電主軸平衡控制系統(tǒng)中應(yīng)用。
[Abstract]:With the development of high speed, precision and automation of the spindle of rotating machinery, the motor and the rotating shaft are used as one of the motorized spindle. The speed of the spindle is very high, the precision of the parts processed by the spindle machine is very high, which makes the imbalance demand higher and the unbalance is smaller, in order to realize the online movement of the spindle without stopping the machine. In this paper, an electromagnetic balance head of an electric spindle is designed and analyzed based on the rotor dynamic balance and electromagnetic field theory. The main work of this paper is as follows (1) a symmetrical design of two weight disks is designed for the uneven measurement of the spindle. The structure of electromagnetic balance head is used to study the properties of ferromagnetic materials around magnetized magnets in the balance head. The force motion of permanent magnets under the influence of external magnetic field is studied. The components of the balance head are divided into dynamic rings and static rings. The loop driving principle of static ring coils in static ring iron core, ferromagnetic plate and permanent magnet is analyzed after the static ring coil is electrified. The principle of weight distribution of the counterweight disc in the dynamic ring, the self locking principle of magnetized magnetized ferromagnetic plate of permanent magnet. (2) analysis of the material properties of the balance head parts, and simplify the structure model of the balance head to apply to the Ansoft software, the simplified 2D, 3D structure model to analyze the magnetic field, and mainly analyze the force of the permanent magnet. (3) a balance head structure is proposed. The control method of changing the phase of the magnetic plate is introduced. The scheme can increase the unbalance amplitude phase data relative to the existing scheme. The data is set up as the balance of the balance of the balance head and is applied in the balance control system of the electric spindle.
【學(xué)位授予單位】：合肥工業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TG502.3

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