《汽车专业英语 教学课件 ppt 作者 蒋芳 吴喜骊 Unit 7》由会员分享，可在线阅读，更多相关《汽车专业英语 教学课件 ppt 作者 蒋芳 吴喜骊 Unit 7（17页珍藏版）》请在金锄头文库上搜索。
1、UNIT 7 THE POWER TRAIN TEXT A Clutch and Manual Transmission Clutch,How a Clutch Engages and Releases Transmission,How Manual Transmissions Work,New Words clutch n. 离合器 essential adj. 本质的，主要的，最重要的 transmission n. 传动，传送 interrupt vt. 阻断，阻止，打扰 install in5stC:l v. 安装，装配 gearbox n. 齿轮箱，变速箱 disengage v.
2、分离，断开，切断 surely adj. 的确，当然 mileage n. 汽车消耗一加仑汽油所行驶的平均里程 classify vt. 分类，分级 immerse i5mE:s v. 浸入，浸渍，泡 cable n. 绳，缆，钢索,hydraulic adj. 液压的 gearshift n. 换档，变速器 comprise vt. 包括，有 non-synchronous adj. 非同步的，异步的，不同期的 variable n. 变量，变数 hydrostatic adj. 液压静力的，流体静力的 layshaft 5leFB:ft n. 副轴，侧轴，中间轴 differential
3、n. 差速器 coasting n. 滑行，惯性运动 motionless adj. 不动的，静止的，固定的 collar n. 法兰盘，联轴节，轴衬，杆环 neutral 5nju:trEl n. 空档,Phrases and Expressions manual transmission 手动变速器 a split second 一瞬间，一刹那 single plate friction clutch 单盘式摩擦离合器 multiple plate friction clutch 多盘式摩擦离合器 release fork 释放叉，分离叉 throw-out bearing 分离轴承，推力
4、轴承 diaphragm spring 隔膜簧 pressure plate 压盘 clutch disc 离合器圆盘 gear ratio 齿轮比，齿数比，齿转传动比,switched to 转到，换到 brake band 制动带 forward gear 前进档 reverse gear 倒档 spline shaft 有齿轴，多槽轴 drive shaft 传动轴,TEXT B Propeller shafts and differential Propeller Shaft Universal Joint Cross Type Joint,Constant Velocity Univ
5、ersal Joint Final Drive Differential,New Words propeller prE5pelE n. 推进者，推进物 tubular adj. 管状的，筒状的 solidly adv. 坚固的 allowance n. 允许，许可 mount vt. 安装，固定 velocity n. 速度，速率 yoke n. 万向节叉 spider n. 十字轴，十字叉 trunnion n.（万向节）十字头，耳轴,restore vt. 提高，恢复，复原 bevel adj. 斜的 offset adj. 偏移的，偏心的，偏离的 tunnel n. 管道，孔道 per
6、form vt. 完成，做 transaxle n. 驱动桥 exert vt. 施加，发挥,Phrases and Expressions propeller shaft 传动轴 be made of 由构成 universal joints 万向节，万向接头 flexible coupling 伺服联轴器，柔性联轴节，弹性联轴器 final drive 主减速器 in relation to 关于，涉及 cross type joint 十字接头，四通 in the case of 就来说，至于,EXERCISES 1. Answer the following questions acc
7、ording to the text (1) Why do we need the clutch? (2) Do you know the main job of the clutch? (3) Can you classify clutches? (4) How do you classify clutches? (5) How does the clutch work? (6) How does the clutch engage and release? (7) What is the difference between manual and automatic transmissio
8、n? (8) How does manual transmission work? (9) What is the purpose of the collar? (10) Why is the transmission in neutral,2. Translate the following into Chinese (1) a split second (2) clutch cover (3) clutch shaft (4) neutral gear (5) clutch thrust bearing (6) friction clutch (7) semi-automatic tran
9、smission (8) clutch palte lining (9) multi-plate clutch (10) clutch plate,3. Translate the following into English (1) 膜片弹簧离合器 (2) 单盘离合器 (3) 挂档 (4) 分离杆 (5) 离合器壳 (6) 双盘离合器 (7) 离合器踏板 (8) 压盘 (9) 飞轮壳 (10) 一档,4. Translate the following passage into Chinese Problems with Clutch The most common problem with
10、 clutch is that the friction material on the disc wears out. The friction material on a clutch disc is very similar to the friction material on the pads of a disc brake or the shoes of a drum brake. After a while, it wears away. When most or all of the friction material is gone, the clutch will star
11、t to slip, and eventually it wont transmit any power from the engine to the wheels. Another problem sometimes associated with clutch is a worn throw out bearing. This problem is often characterized by a rumbling noise whenever the clutch engages.,CV Joint Maintenance If the CV joint (Constant Veloci
12、ty joints) boot breaks, the grease escapes, dirt and water enters and the whole axle unit may become inoperative in a short while. There is a CV joint located on the internal side of each of the front wheels. You can check CV joint boots visually by looking inside the front wheel arch from the front
13、 of the car with the wheel turned as far as it will go in that direction. The boot should be dry. If it is broken you will see grease all over the area. If the boot is broken, it needs to be replaced. If not replaced in time, the whole axle shaft will need to be replaced which will cost you more than replacing just the boot.,
