【摘要】：目前水火彎成形工藝都是利用對鋼板局部反復(fù)加熱和冷卻過程中鋼板在內(nèi)部產(chǎn)生的殘余應(yīng)變來使鋼板彎曲變形的,針對傳統(tǒng)水火彎板目前存在的加工效率低下、加工準(zhǔn)確性不高、工作環(huán)境惡劣、人才斷檔等一系列缺點的現(xiàn)狀,為適應(yīng)現(xiàn)如今縮短造船周期、降低生產(chǎn)成本和提高工藝質(zhì)量的大背景,提出了本文研究的內(nèi)容：電磁力輔助水火彎板工藝裝置的研究。電磁力輔助水火彎板工藝是以低頻脈沖電磁力作為輔助促進水火彎板加工過程中鋼板的變形,通過水冷產(chǎn)生的殘余應(yīng)變和應(yīng)力使鋼板獲得更大的變形余量。 通過對傳統(tǒng)水火彎板加工鋼板和電磁成形系統(tǒng)的原理的研究分析,總結(jié)并設(shè)計了電磁力輔助水火彎板工藝裝置。其中電磁力輔助水火彎板工藝裝置主體分為:控制電路、脈沖電磁線圈、電源和充放電電容。 本文詳細介紹了控制電路的設(shè)計思路和其工作原理,根據(jù)各部分電路的作用,使用電路軟件進行原理圖的設(shè)計并形成PCB實物電路板,對電路板進行測試,驗證設(shè)計的正確性。 最后將電磁力輔助水火彎板工藝裝置主體部分進行連接,通過搭建實驗平臺對脈沖電磁線圈的電磁強度及其影響因素進行實驗數(shù)據(jù)的收集和分析,得到了脈沖電磁產(chǎn)生的電磁場的規(guī)律和作用形式。對電磁力輔助水火彎板工藝裝置日后的改進奠定了基礎(chǔ)以及提供了數(shù)據(jù)支持。
[Abstract]:At present, the residual strain produced by the steel plate in the process of local repeated heating and cooling is used to make the steel plate bend and deform, aiming at the low processing efficiency of the traditional hot bending plate. The processing accuracy is not high, the working environment is bad, the talented person breaks the file and so on a series of shortcomings present situation, in order to adapt nowadays shortens the shipbuilding cycle, reduces the production cost and the enhancement craft quality big background, The research contents of this paper are as follows: electromagnetic force assisted hydro-thermal bending process device. Electromagnetic force assisted hydro-thermal bending process is to use low-frequency pulsed electromagnetic force as the assistant to promote the deformation of steel plate in the process of water-fired bending plate processing. The residual strain and stress produced by water cooling can make the steel plate obtain a larger deformation margin. Based on the research and analysis of the principle of traditional hydro-thermal bending plate processing and electromagnetic forming system, the electro-magnetic force assisted hydro-thermal bending process device is summarized and designed. The main parts of the electro-magnetic force assisted hydro-thermal bending device are as follows: control circuit, pulse electromagnetic coil, power supply and charge-discharge capacitance. This paper introduces the design idea and working principle of the control circuit in detail. According to the function of each part of the circuit, the schematic diagram is designed by using the circuit software and the PCB physical circuit board is formed. The circuit board is tested to verify the correctness of the design. Finally, the main part of the hydro-thermal bending plate is connected by electromagnetic force, and the experimental data of the electromagnetic intensity of the pulsed electromagnetic coil and its influencing factors are collected and analyzed by setting up an experimental platform. The law and the action form of the electromagnetic field produced by the pulse electromagnetism are obtained. It lays a foundation for the further improvement of electromagnetic force assisted hydro-thermal bending plate process and provides data support.
【學(xué)位授予單位】：大連理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：U671.3

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