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鹽城工學(xué)院本科生畢業(yè)設(shè)計說明書 2011
兩端面鉸孔機床總體設(shè)計及電氣控制部分設(shè)計
摘 要：此課題設(shè)計的組合機床是用于大批量生產(chǎn)的專用機床。本課題是兩端面鉸孔機床總體設(shè)計和電氣控制部分設(shè)計。此機床用于加工機體的左、右兩個面上的4個 ?12的孔，一次裝夾同時完成兩面4個孔的加工。該機床設(shè)計的重點是總體設(shè)計和電氣控制設(shè)計兩部分?？傮w設(shè)計包括機床配置型式的確定、結(jié)構(gòu)方案的選擇以及機床尺寸聯(lián)系圖的繪制。控制部分要求的加工循環(huán)包括人工上料—液壓夾緊工件—快進移至加工位置—工進加工—快退至原位—液壓松開工件—下料,分別能實現(xiàn)調(diào)整、循環(huán)兩種工作方式。根據(jù)機床的基本技術(shù)要求對機床進行電氣總體分布設(shè)計，并根據(jù)該機床的電氣控制原理對該機床電氣控制部分的主電路進行設(shè)計。最后，詳細介紹了PLC技術(shù)和三菱FX2N型PLC,同時使用三菱PLC編程軟件對機床的夾具、滑臺以及主軸的調(diào)整和循環(huán)動作進行PLC編程。將PLC技術(shù)應(yīng)用于機體加工專用組合機床，使該機床實現(xiàn)了除裝卸工件以外的全部自動循環(huán)過程，避免了過去由于大量使用繼電器帶來的種種麻煩，改善并提高了控制性能，減輕了工人的勞動強度，提高了生產(chǎn)效率，降低了生產(chǎn)成本。
關(guān)鍵詞：鉸孔；組合機床；電氣控制；PLC編程
Reaming at Both ends of Machine Design and the Design of the Electrical Control
Abstract: The combination machine of this subject design is specialized machine tool used to yield mass production. This subject is the overall design and electrical controls design of the machine tool what reaming at the both ends. This machine tool is used to processing four ?12 holes at both ends of body. It is need to finished this four holes at the same time in once clamping. The focus of the design for the machine tool is overall design and electrical control design. The overall design includes configuration type of machine tool, structure of the programmer and machine size contact mapping. The processing cycle of the control included feeding of artificial—hydraulic clamping work piece—fast moving to the processing location—work moving to processing—fast returning to position—hydraulic release work piece—unload, it have two kinds of working methods included adjust and cycle. According to the basic requirement of the machine tool, we do electrical overall design for the machine tool, and according to electrical control principle of the machine tool, we design the main circuit for electrical control. At last, we details introduce the technology of PLC and the PLC of Mitsubishi FX2N, and use programming software of Mitsubishi PLC to programming for the fixture, slider and adjustment with cycle of spindle. Using PLC in the machine tool can make the machine tool do anything itself except handle the work piece, avoid many troubles in using relays long ago, improve the control performance, reduced the labor intensity, improve the production efficiency, reduced the cost of production.
Key word: Reaming; Combination Machine; Electrical Control; PLC Programming