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Z3040型搖臂鉆床設(shè)計(jì) 摘 要:Z3040型搖臂鉆床屬于大型立式鉆床，其傳統(tǒng)的控制方式是利用繼電器接觸器原理控制。由于利用繼電器接觸器控制系統(tǒng)比較復(fù)雜，難于操作；因此本次設(shè)計(jì)是將其改造成為利用PLC控制，這樣既可以提高生產(chǎn)效率，也可以增加其使用壽命。 首先通過對鉆床工作原理的了解，然后對PLC的硬件和軟件進(jìn)行設(shè)計(jì)。根據(jù)鉆床的工作要求選擇合理的工作器件如：繼電器，接觸器等等，然后編寫相應(yīng)的程序語句表并繪制梯形圖，再根據(jù)輸入輸出點(diǎn)數(shù)選擇PLC型號，輸入點(diǎn)數(shù)：22輸出點(diǎn)數(shù)：17，所以本次設(shè)計(jì)選擇FX2N-48MR型PLC并繪制硬件接線圖；最后對程序進(jìn)行模擬調(diào)試。 關(guān)鍵詞：PLC；電動(dòng)機(jī)；行程開關(guān)；斷路器；控制按鈕；控制開關(guān)；工作指示燈。 Abstract: Z3040-arm drilling is a large vertical drilling, the traditional control method is the use of relay contacts Principle control. The use of the relay contactor control system more complicated and difficult operation, therefore this design is its use of a PLC control, this can enhance the efficiency of production and can also increase their service life. By drilling the first principle of understanding, and then the PLC hardware and software design. According to drilling requirements for the work of the work of a reasonable choice of devices such as: relays, contacts, etc., and then the preparation of the corresponding procedures and the mapping of ladder diagram sentences table, the light input and output points choose PLC models, the importation of points: 22 output points: 17, Therefore, this design options FX2N-48MR PLC and the mapping of hardware wiring diagram; Finally, the simulation debugging procedures. Key words: PLC; motor; trip switch circuit breaker; control button control switch; work light. 目 錄 第一章 引言·······························································1 第二章 機(jī)床的主要參數(shù)及鉆床的機(jī)械及運(yùn)動(dòng)形式···························2 第三章 繼電器接觸器控制原理·············································4 3.1制線路特點(diǎn)與電氣線路概述·········································4 3.2控制原理分析及分立控制線路·······································5 第四章PLC控制系統(tǒng)的硬件設(shè)計(jì)···········································10 4.1電動(dòng)機(jī)的選型·······················································10 4.2接觸器的選擇·······················································12 4.3自動(dòng)空氣斷路的選型················································15 4.4熱繼電器的選用·····················································16 4.5中間繼電器的選型···················································18 4.6萬能轉(zhuǎn)換開關(guān)的選型·················································18 4.7電磁鐵的選型·······················································19 4.8按鈕的選型··························································19 4.9位置開關(guān)的選型·····················································19 4.10導(dǎo)線的選型························································20 4.11變壓器的選型······················································20 4.12機(jī)床電氣控制系統(tǒng)的工藝設(shè)計(jì)······································23 4.13電氣元件布置圖的繪制·············································24 4.14電氣接線圖的繪制·················································25 4.15 可編程控制器·····················································26 4.16三菱PLC指令系統(tǒng)··················································35 第五章 PLC控制系統(tǒng)軟件設(shè)計(jì)··············································37 5.1輸入地址分配·······················································37 5.2輸出地址分配·······················································37 5.3接線圖······························································38 5.4程序語句表·························································39 第六章 程序模擬調(diào)試·······················································42第七章 總結(jié)·······························································44 致謝········································································45 參考文獻(xiàn)···································································46 VI