【正文】 管是在聯(lián)合制管機(jī)上能夠以 7～ 10 個(gè)工序滾壓成型，通過7~10 組特殊的導(dǎo)板和滾輪逐漸的彎曲成型，在成型的最后過程中，帶料差不多卷成圓形時(shí)，再繼續(xù)前行，帶 料將碰到一個(gè)圓定不動(dòng)的扁型斷面芯板 ,芯板斷面的形狀、尺寸和欲制造的管子內(nèi)部形狀相同，然后連續(xù)的進(jìn)行焊接，進(jìn)入釬焊爐，將咬口部位和外表面同時(shí)鍍錫，冷卻后，用幾組校直滾輪矯正端面形狀 ,扭曲度等 ,然后按所需的長度自動(dòng)切斷。用一個(gè)或多個(gè)指標(biāo)從一個(gè)方面或幾個(gè)方面來評(píng)價(jià)換熱器的性能問題一直是專家長期以來所探索的問題，目前尚在研 究改進(jìn)中。這種換熱器雖然換熱效率高，但因兩種流體的相互混合，故其在應(yīng)用上受到一定的限制。換熱器的分類方法有很多，最基本的是按照工作原理來分：通?？煞譃榛?zé)崾?、混合式和間壁式三大類。在提高散熱器的散熱效率的情況下同時(shí)考慮降低散熱器的散熱阻力，合理選擇使用板片材質(zhì)和橡膠密封墊材質(zhì)，使用正確的安裝方法，才可保證 設(shè)備安全運(yùn)行，延長設(shè)備的使用壽命。 畢業(yè)設(shè)計(jì) (論文 )有關(guān)外文翻譯 院 系： 機(jī)械 工程學(xué)院 專 業(yè)： 11 接本 （ 2）班 姓 名： 學(xué) 號(hào)： 104611252077 指導(dǎo)教師： 完成時(shí)間： 2021 年 05 月 1 日 1 緒論 選題的背景及意義 隨著汽車發(fā)動(dòng)機(jī)轉(zhuǎn)速和功率的不斷提高，熱負(fù)荷也愈來愈大，對(duì)冷卻系統(tǒng)的要求也越來越高，人們對(duì)包括散熱器在內(nèi)的冷卻系統(tǒng)的研 究愈加重視，新技術(shù)、新材料不斷涌現(xiàn)。 因此如何提高散熱器的傳熱效能是一個(gè)綜合性的經(jīng)濟(jì)效益問題，應(yīng)通過技術(shù)經(jīng)濟(jì)比較后確定。 1 Introduction Background and Significance topics Power continues to increase, more and more large heat load on the cooling system requirements are also increasing , people including the radiator cooling system pay more attention to research , new technologies , new materials emerging. The advantages of automotive aluminum radiator products is reflected in the lightweight , high reliability , low prices and the production of environmentally friendly vehicle plant to replace the original copper aluminum radiator auto radiator tank is the inevitable trend of technological development . Currently, the auto radiator is moving light , efficient and economic direction, more than 90% of domestic passenger car is aluminum radiator, in recent years, the use of mercial vehicles have gradually adopted and is growing . Therefore, how to improve the heat transfer performance of the heat sink is a prehensive economic issues , through technical and economic parison OK. Improve the efficiency of the heat sink in the case of taking lower radiator cooling resistance , a reasonable choice to use Plate material and rubber gasket material, using the correct installation method can ensure the safe operation of equipment , extend equipment life . Through puter simulation, you can heat the pipe band performance is more superior, more rational structure , economy stronger .On the other hand , the rapid development of modern puter technology and progress but also for the optimization of the radiator pipe belt design provides a strong technical support, so pipe radiator with the optimal design for the modern sustainable industrial development has a number of farreaching significance . 車用散熱器的分類 能滿足某種規(guī)定工藝的要求使得熱量從熱流體到冷流體傳遞的裝置被稱為換熱器。在混合式換熱器中全部流體均勻地處于同溫同壓下離開換熱器 。廣義地說，散熱器的性能含義很廣，有阻力性能、傳熱性能、經(jīng)濟(jì)性、機(jī)械性能等。通常，汽車散熱器由主片、芯體、封條等零件通過釬焊工藝焊接而成，它的結(jié)構(gòu)緊湊、輕巧、薄壁及傳熱強(qiáng)度高。由波紋狀散熱帶和冷卻管相間排列經(jīng)焊接而成所組成的散熱器為管帶式散熱器。s main water pipe holes are arranged to be in full pliance with heatsink arrangement and number of pipes , radiators Sheung Shui chamber generally high 60 ~ 100mm, the volume should be related to the total volume of water would adapt to , and slightly larger than the total capacity of water , but also consider the capacity of the engine water jacket and the inlet pipe size , while also easy to install other accessories such as inlet pipe, plus intakes, internal partitions, etc. . 左右側(cè)板及裝機(jī)架 散熱器的固定框架是將散熱器固定在汽車上必須的部件，包括左右側(cè)板，Ｕ型件，三角吊耳等。散熱器的進(jìn)出水管通常是焊接在水室上的。 Cooling water In most cases, the radiator inlet and outlet pipe is caused by the Health and castiron rivets, reinforcing plate and brazing fixed on the water chamber , in order to increase the strength of the structure in many radiator , plumbing i