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遼寧科技大學(xué)本科生畢業(yè)設(shè)計(論文) 第V頁
厚板軋機設(shè)計
摘要
隨著中厚板在造船、建筑、國防、軍事等領(lǐng)域的廣泛應(yīng)用，厚板軋制技術(shù)在工業(yè)領(lǐng)域的重要性日益突出。本次設(shè)計就是從生產(chǎn)實際出發(fā)，通過下廠實踐、調(diào)研、查閱大量資料，了解了中厚板生產(chǎn)工藝及國內(nèi)外發(fā)展現(xiàn)狀，特別對厚板軋機的組成和結(jié)構(gòu)有了深入了解和認識。本設(shè)計的厚板軋機是以2350厚板軋機為基礎(chǔ)進行設(shè)計。首先根據(jù)軋鋼機械的設(shè)計方法，從工作輥與支承輥的設(shè)計計算開始，對厚板軋機的傳動系統(tǒng)進行了設(shè)計。然后通過軋制力矩的計算推算出主傳動電機的功率，并且對所選的電機進行過載和發(fā)熱校核。同時還對機架、壓下系統(tǒng)進行了設(shè)計和校核，最后考慮經(jīng)濟和環(huán)保的要求進行了分析評價。
關(guān)鍵詞：厚板軋機；傳動系統(tǒng)；工作輥；設(shè)計計算；機架
Plate Mill Design
Abstract
With the wide application of plate in shipbuilding, construction, defense and military fields, Plate rolling technology have become increasingly importance in the industrial area. The production design is from the actual conditions of the country, understand the plate production process and the development of the status quo at home and abroad, especially have a deeper understanding and awareness for the composition and structure of thick plate rolling mill, by the practice of factory, research, access to large amounts of data. The design of the plate mill is based on 2,350 design. First, design and calculate the work roll and back-up roll and devise the drive system of plate mill in accordance with the design method of rolling mill machinery. Then, calculate the main drive motor power through the rolling moment calculation, and make the load and heat checking to the motor of selected. At the same time also design and check the rack and the system of press. Finally consider the economic and environmental requirements for the analysis and evaluation.
Keywords : Plate Mill; Transmission; Work Roll; Design; rack
目 錄
摘要…………………………………………………………………………………………ⅠAbstract……………………………………………………………………………………………………Ⅱ
1、緒論………………………………………………………………………………………………………1
1.1、選題背景…………………………………………………………………………………………1
1.2、中厚板軋機簡介及產(chǎn)品………………………………………………………………………1
1.3、中厚板軋機原料及生產(chǎn)流程…………………………………………………………………2
1.4、中厚板軋機發(fā)展歷史及發(fā)展趨勢………………………………………………………… 2
1.5、研究內(nèi)容和研究方法………………………………………………………………………… 3
2、傳動方案評述與選擇…………………………………………………………………………………4
2.1、方案選擇…………………………………………………………………………………………4
2.2、方案評述…………………………………………………………………………………………5
2.3、電機選擇…………………………………………………………………………………………5
2.4、連接軸選擇………………………………………………………………………………………5
2.5、軋輥軸承選擇………………………………………………………………………………… 5
3、軋制力能參數(shù)的計算…………………………………………………………………………………6
3.1、軋制力的計算………………………………………………………………………………… 6
3.1.1、軋制規(guī)程………………………………………………………………………………6
3.1.2、軋輥主要尺寸的選擇………………………………………………………………6
3.1.3、軋制力的計算…………………………………………………………………………7
3.2、軋輥力矩的計算………………………………………………………………………………10
4、主電機容量選擇…………………………………………………………………………………… 14
4.1、初選電機……………………………………………………………………………………… 14
4.2、主電機力矩…………………………………………………………………………………… 14
4.3、計算各軋制階段時間計算………………………………………………………………… 17
4.4、電機的校核…………………………………………………………………………………… 18
5、軋輥計算及強度校核………………………………………………………………………………20
5.1、工作輥強度校核………………………………………………………………………………20
5.2、支承輥強度校核………………………………………………………………………………20
5.3、工作輥與支承輥間的接觸應(yīng)力校核………………………………………………………22
6、機架的設(shè)計校核…………………………………………………………………………………… 25
6.1、機架結(jié)構(gòu)參數(shù)選擇……………………………………………………………………………25
6.2、機架的強度計算………………………………………………………………………………26
6.2.1、受力分析……………………………………………………………………………26
6.2.2、彎矩計算……………………………………………………………………………26
6.3、機架強度校核…………………………………………………………………………………29
7、 壓下系統(tǒng)計算………………………………………………………………………………………32
7.1、壓下型式選擇…………………………………………………………………………………32
7.2、壓下螺絲、螺母尺寸確定及校核…………………………………………………………32
8、技術(shù)經(jīng)濟與環(huán)保分析………………………………………………………………………………35
8.1、設(shè)備的環(huán)保分析………………………………………………………………………………35
8.2、設(shè)備可靠性分析………………………………………………………………………………35
8.3、設(shè)備經(jīng)濟性分析………………………………………………………………………………36
結(jié)論……………………………………………………………………………………………………… 37
致謝……………………………………………………………………………………………………… 38
參考文獻…………………………………………………………………………………………………39