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基于plc的臺式鉆床控制系統(tǒng)改造及其進(jìn)給系統(tǒng)設(shè)計(jì)學(xué)士學(xué)位論文(已修改)

2025-07-09 18:27 本頁面
 

【正文】 學(xué) 士 學(xué) 位 論 文基于 PLC 的臺式鉆床控制系統(tǒng)改造及其進(jìn)給系統(tǒng)設(shè)計(jì)姓 名:學(xué) 號:指 導(dǎo) 教 師 :院 系 (部 所 ): 機(jī)電工程學(xué)院專 業(yè): 機(jī)械設(shè)計(jì)制造及其自動化完 成 日 期 : 2022 年 5 月 31 日學(xué)校代碼:10904 學(xué) 士 學(xué) 位 論 文基于 PLC 的臺式鉆床控制系統(tǒng)改造及其進(jìn)給系統(tǒng)設(shè)計(jì)姓 名:學(xué) 號:指 導(dǎo) 教 師 :院 系 (部 所 ): 機(jī)電工程學(xué)院專 業(yè): 機(jī)械設(shè)計(jì)制造及其自動化完 成 日 期 : 2022 年 5 月 31 日摘 要本文介紹的是對臺式鉆床的改造與設(shè)計(jì),通過導(dǎo)入液壓進(jìn)給系統(tǒng)和 PLC 控制系統(tǒng)將其改造成為自動鉆床。設(shè)計(jì)的過程首先是按照機(jī)床的一般設(shè)計(jì)步驟進(jìn)行,然后再對進(jìn)給系統(tǒng)和控制系統(tǒng)進(jìn)行具體設(shè)計(jì)。設(shè)計(jì)的重點(diǎn)在于進(jìn)給系統(tǒng)的設(shè)計(jì)和 PLC 控制系統(tǒng)的設(shè)計(jì)。液壓系統(tǒng)的設(shè)計(jì)主要是根據(jù)已知的條件,來確定液壓工作方案、液壓泵、液壓缸結(jié)構(gòu)、控制油路的設(shè)計(jì)。PLC 控制系統(tǒng)設(shè)計(jì)主要是電氣控制系統(tǒng)硬件和軟件的設(shè)計(jì),其中包括 PLC 機(jī)型的選擇、I/O 端口的分配、I/O 硬件接線圖的繪制、PLC 梯形圖程序的設(shè)計(jì)。最后,利用 PLC 可編程控制器對液壓回路等進(jìn)行控制。關(guān)鍵詞:自動鉆床;液壓進(jìn)給系統(tǒng);PLCAbstractThe bench drill is the metal cutting tools in mechanical machining, this paper is transformation and design of the desktop machine, mainly through the introduction of hydraulic system and PLC control system will be transformed into the automatic drilling machine.The design process is first carried out in accordance with the general machine design steps, and then the feed system and control system were designed in details. The design focuses on the design of feed system design and PLC control system. The design of hydraulic system is based on the known conditions, to determine the design of hydraulic project, hydraulic pump, hydraulic cylinder structure, control circuit. The design of PLC control system is mainly the design of electrical control system of hardware and software, including the choice of PLC models, the I\/O port assignment, I\/O hardware wiring diagram, ladder diagram of PLC program design. Finally, the programmable controller of the hydraulic circuit is controlled by PLCKey words: Automatic drilling machine;Hydraulic feed system ; PLCI目 錄第 1 章 緒論 ..................................................................................................................1 研究的目的意義 ................................................................................................1 問題的提出、分析以及解決方案 ....................................................................1第 2 章 自動鉆床的總體設(shè)計(jì)方案 ..............................................................................3 自動鉆床的改造方案的確定 ..........................................................................3 執(zhí)行系統(tǒng)的方案設(shè)計(jì) ........................................................................................3 執(zhí)行系統(tǒng)的功能原理設(shè)計(jì) ..........................................................................4 執(zhí)行系統(tǒng)的運(yùn)動規(guī)律 ..................................................................................4 執(zhí)行系統(tǒng)的協(xié)調(diào)設(shè)計(jì)原則 ...........................................................................5 執(zhí)行系統(tǒng)的方案評價(jià) ...................................................................................5 傳動系統(tǒng)方案設(shè)計(jì)和原動機(jī)選擇 ...................................................................5 傳動系統(tǒng)方案設(shè)計(jì) ...........................................................................................5 控制方案設(shè)計(jì) ..................................................................................................6 本 章小結(jié) ...........................................................................................................7第 3 章 鉆床進(jìn)給系統(tǒng)的設(shè)計(jì) ......................................................................................8 進(jìn)給系統(tǒng)概述與分析 ......................................................................................8 進(jìn)給系統(tǒng)方案圖的確定 ..................................................................................9 工況分析 ..........................................................................................................9 切削力的計(jì)算 ................................................................................................10 切削刀具及相關(guān)參數(shù)的選擇 ....................................................................10 主軸轉(zhuǎn)速及鉆孔時(shí)間的計(jì)算 ....................................................................10 切削力的計(jì)算 ............................................................................................11 鉆床主軸設(shè)計(jì) ................................................................................................12 主軸材料的選擇 ........................................................................................12 軸的結(jié)構(gòu)設(shè)計(jì) ............................................................................................12 軸強(qiáng)度的校核 ..........................................................................................13II 進(jìn)給液壓系統(tǒng)設(shè)計(jì) ........................................................................................14 負(fù)載分析 ....................................................................................................14 液壓缸執(zhí)行元件主要參數(shù)的確定 ............................................................16 本章小結(jié) ........................................................................................................22第 4 章 自動鉆床控制系統(tǒng)設(shè)計(jì) ................................................................................23 自動鉆床的自動化控制要求 ........................................................................23 可編程控制器 PLC 的簡述 ............................................................................23 自動鉆床主軸進(jìn)給系統(tǒng)控制流程 ................................................................24 鉆床進(jìn)給系統(tǒng)電氣原理圖 ....................................
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