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遼寧科技大學(xué)本科生畢業(yè)設(shè)計(jì)(論文) 第V頁
厚板軋機(jī)設(shè)計(jì)
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(jì)就是從生產(chǎn)實(shí)際出發(fā)，通過下廠實(shí)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(duì)厚板軋機(jī)的組成和結(jié)構(gòu)有了深入了解和認(rèn)識(shí)。本設(shè)計(jì)的厚板軋機(jī)是以2350厚板軋機(jī)為基礎(chǔ)進(jìn)行設(shè)計(jì)。首先根據(jù)軋鋼機(jī)械的設(shè)計(jì)方法，從工作輥與支承輥的設(shè)計(jì)計(jì)算開始，對(duì)厚板軋機(jī)的傳動(dòng)系統(tǒng)進(jìn)行了設(shè)計(jì)。然后通過軋制力矩的計(jì)算推算出主傳動(dòng)電機(jī)的功率，并且對(duì)所選的電機(jī)進(jìn)行過載和發(fā)熱校核。同時(shí)還對(duì)機(jī)架、壓下系統(tǒng)進(jìn)行了設(shè)計(jì)和校核，最后考慮經(jīng)濟(jì)和環(huán)保的要求進(jìn)行了分析評(píng)價(jià)。
關(guān)鍵詞：厚板軋機(jī)；傳動(dòng)系統(tǒng)；工作輥；設(shè)計(jì)計(jì)算；機(jī)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(jī)簡(jiǎn)介及產(chǎn)品………………………………………………………………………1
1.3、中厚板軋機(jī)原料及生產(chǎn)流程…………………………………………………………………2
1.4、中厚板軋機(jī)發(fā)展歷史及發(fā)展趨勢(shì)………………………………………………………… 2
1.5、研究?jī)?nèi)容和研究方法………………………………………………………………………… 3
2、傳動(dòng)方案評(píng)述與選擇…………………………………………………………………………………4
2.1、方案選擇…………………………………………………………………………………………4
2.2、方案評(píng)述…………………………………………………………………………………………5
2.3、電機(jī)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(jì)算…………………………………………………………………………………6
3.1、軋制力的計(jì)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(jì)算…………………………………………………………………………7
3.2、軋輥力矩的計(jì)算………………………………………………………………………………10
4、主電機(jī)容量選擇…………………………………………………………………………………… 14
4.1、初選電機(jī)……………………………………………………………………………………… 14
4.2、主電機(jī)力矩…………………………………………………………………………………… 14
4.3、計(jì)算各軋制階段時(shí)間計(jì)算………………………………………………………………… 17
4.4、電機(jī)的校核…………………………………………………………………………………… 18
5、軋輥計(jì)算及強(qiáng)度校核………………………………………………………………………………20
5.1、工作輥強(qiáng)度校核………………………………………………………………………………20
5.2、支承輥強(qiáng)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(jī)架的設(shè)計(jì)校核…………………………………………………………………………………… 25
6.1、機(jī)架結(jié)構(gòu)參數(shù)選擇……………………………………………………………………………25
6.2、機(jī)架的強(qiáng)度計(jì)算………………………………………………………………………………26
6.2.1、受力分析……………………………………………………………………………26
6.2.2、彎矩計(jì)算……………………………………………………………………………26
6.3、機(jī)架強(qiáng)度校核…………………………………………………………………………………29
7、 壓下系統(tǒng)計(jì)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(jì)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(jì)性分析………………………………………………………………………………36
結(jié)論……………………………………………………………………………………………………… 37
致謝……………………………………………………………………………………………………… 38
參考文獻(xiàn)…………………………………………………………………………………………………39