液壓油缸課程設(shè)計論文
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- 液壓油缸課程設(shè)計論文
目錄
1、設(shè)計課題 · ····································· 3
1.1設(shè)計目的 ······································ 3
1.2設(shè)計要求 ······································ 3
1.3設(shè)計參數(shù) ······································ 3
1.4設(shè)計方案 ······································ 3
2、設(shè)計方案 ······································ 4
2.1工況分析 ································· 4
2.2擬定液壓系統(tǒng) ······································ 6
3、機械部分計算 ······································ 9
3.1液壓缸的設(shè)計計算 ······························ 9
3.2液壓缸的校核計算 ······································ 12
3.3液壓缸結(jié)構(gòu)設(shè)計 ····································· 15
3.4選擇液壓元件 ····································· 17
4 、系統(tǒng)的驗算 ····································· 20
4.1.壓力損失的驗算 ····································· 20
4.2 系統(tǒng)溫升的驗算 ····································· 21
5、電氣部分設(shè)計 ····································· 23
5.1控制系統(tǒng)基本組成 ····································· 23
5.2PLC控制系統(tǒng)的流程圖····································· 24
1 設(shè)計課題
1.1設(shè)計目的
通過課程設(shè)計培養(yǎng)學(xué)生綜合運用所學(xué)知識和技能、提高分析和解決實際問題能力的一個重要環(huán)節(jié),專業(yè)課程設(shè)計是建立在專業(yè)基礎(chǔ)課和專業(yè)方向課的基礎(chǔ)上的,是學(xué)生根據(jù)所學(xué)課程進行的工程基本訓(xùn)練,課程設(shè)計的目的在于:
1、培養(yǎng)學(xué)生綜合運用所學(xué)的基礎(chǔ)理論和專業(yè)知識,獨立進行機電控制系統(tǒng)(產(chǎn)品)的初步設(shè)計工作,并結(jié)合設(shè)計或試驗研究課題進一步鞏固和擴大知識領(lǐng)域。
2、培養(yǎng)學(xué)生搜集、閱讀和綜合分析參考資料,運用各種標準和工具書籍以及編寫技術(shù)文件的能力,提高計算、繪圖等基本技能。
3、培養(yǎng)學(xué)生掌握機電產(chǎn)品設(shè)計的一般程序和方法,進行工程師基本素質(zhì)的訓(xùn)練。
4、樹立正確的設(shè)計思想及嚴肅認真的工作作風(fēng)。
1.2設(shè)計要求
執(zhí)行元件:液壓油缸;
傳動方式:電液比例控制;
控制方式:PLC控制;
控制要求:速度控制;
控制精度:0.01
1.3設(shè)計參數(shù)
油缸工作行程——600 mm;
額定工作油壓——6.5MPa;
移動負載質(zhì)量——1000 kg;
負載移動阻力——5000 N;
移動速度控制——0.2m/s;
1.4 設(shè)計方案
利用設(shè)計參數(shù)和控制要求設(shè)計出液壓油缸,進而設(shè)計出液壓系統(tǒng),通過PLC對液壓油缸進行速度控制。 ...
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