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摘要 國(guó)內(nèi)汽車市場(chǎng)迅速發(fā)展，而轎車是汽車發(fā)展的方向。然而隨著汽車保有量的增加，帶來(lái)的安全問(wèn)題也越來(lái)越引起人們的注意，而制動(dòng)系統(tǒng)則是汽車主動(dòng)安全的重要系統(tǒng)之一。因此，如何開(kāi)發(fā)出高性能的制動(dòng)系統(tǒng)，為安全行駛提供保障是目前不容忽視的問(wèn)題。另外，隨著汽車市場(chǎng)競(jìng)爭(zhēng)的加劇，如何縮短產(chǎn)品開(kāi)發(fā)周期、提高設(shè)計(jì)效率，降低成本等，提高產(chǎn)品的市場(chǎng)競(jìng)爭(zhēng)力，已經(jīng)成為企業(yè)成功的關(guān)鍵。 本說(shuō)明書的內(nèi)容是上海大眾POLO 2011款1.6 AT致酷版轎車制動(dòng)系統(tǒng)的設(shè)計(jì)。首先提到汽車制動(dòng)系統(tǒng)的發(fā)展、結(jié)構(gòu)、分類，并通過(guò)對(duì)鼓式制動(dòng)器和盤式制動(dòng)器的結(jié)構(gòu)及優(yōu)缺點(diǎn)進(jìn)行分析。最終確定方案采用液壓雙回路前后盤式制動(dòng)器。除此之外，它還包括前后制動(dòng)器、制動(dòng)主缸的設(shè)計(jì)計(jì)算，主要部件的參數(shù)選擇的設(shè)計(jì)過(guò)程。 最后對(duì)所設(shè)計(jì)的制動(dòng)器進(jìn)行了制動(dòng)減速度、制動(dòng)距離、最大駐坡度的驗(yàn)算，根據(jù)設(shè)計(jì)與計(jì)算用CAD 繪制出了該轎車制動(dòng)器的裝配圖和制動(dòng)鉗體、制動(dòng)盤、活塞、摩擦襯塊等零件圖。 關(guān)鍵詞：制動(dòng)；盤式制動(dòng)器；液壓；驗(yàn)算
Abstract The rapid development of the domestic vehicle market， saloon car is an important tendency of vehicle. However， with increasing of vehicle， security issues are arising from increasingly attracting attention， the braking system is one of important system of active safety. Therefore， how to design a high-performance braking system， to provide protection for safe driving is the main problem we must solve. In addition， with increasing competition of vehicle market， how to shorten the product development cycle， to improve design efficiency and to lower costs， to improve the market competitiveness of products， and has become a key to success of enterprises. This paper mainly introduces the design of braking system of the ShangHai Volkswagen POLO 2011 1.6 AT POLO. Fist of all， braking system’s development， structure and category are shown， and according to the structures， virtues and weakness of drum brake and disc brake， analysis is done. At last， the plan adopting hydroid two-backway brake with front disc.Besides， this paper also introduces the designing process of front brake and rear brake， braking cylinder， parameter’s choice of main components braking and channel setting. The above finished the design of brake the regenerative braking distance reduced velocity and calculating the stability of brake performance and the direction of braking， Finally， according to the design and calculation were plotted with CAD drawings of the commercial brakes and brake caliper body， brake disc， piston， friction lining block etc parts graph。 In addition， this paper introduced the structure types of brake driving mechanism choice，brake main cylinder， brake pipe multi-loop system selection and brake the present research situation and development prospect. Keyword： braking; brake disc; hydroid pressure; Checking calculation.
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