汽車主減速器外文翻譯中英文對(duì)照(已修改)
2025-11-12 00:25 本頁(yè)面
【正文】 本科生畢業(yè)設(shè)計(jì) (論文 )外文翻譯 畢業(yè)設(shè)計(jì) (論文 )題目 :汽車主減速器的對(duì)比分析與設(shè)計(jì) 外文題目 :AUTOMOTIWE FINAL DRIVE 譯文題目 :汽車主減速器 學(xué) 生 姓 名 : 柳春麗 專 業(yè) : 車輛工程 指導(dǎo)教師姓名 : 金嘉琦 評(píng) 閱 日 期 : AUTOMOTIWE FINAL DRIVE FINAL DRIVE A final drive is that part of a power transmission system between the drive shaft and the differential. Its function is to change the direction of the power transmitted by the drive shaft through 90 degrees to the driving axlesAt the same timeit provides a fixed reduction between the speed of the drive shaft and the axle driving the wheels. The reduction or gear ratio of the final drive is determined by dividing the number of teeth on the ring gear by the number of teeth on the pinion gearIn passenger vehicles, this speed reduction varies from about 3:1 to 5:1. In trucks it varies from about 5:1 to 11:1. To calculate rear axle ratio, count the number of teeth on each gear. Then divide the number of pinion teeth into the number of ring gear teeth. For example, if the pinion gear has 10 teeth and the ring gear has 30 30 divided by 10, the rear axle ratio would be 3:1. Manufacturers install a rear axle ratio that provides a promise between performance and economyThe average passenger car ratio is :1. The higher axle ratio, :1 for instance, would increase acceleration and pulling power but would decrease fuel economy. The engine would have to run at a higher rpm to maintain an equal cruising speed Theloweraxleratio 3:1,wouldreduce acceleration and pulling power but would increase fuel mileageThe engine would run at a lower rpm while maintaining the same speed The major ponents of the final drive include the pinion gear, connected to the drive shaft, and a bevel gear or ring gear that is bolted or riveted to the differential carrierTo maintain accurate and proper alignment and tooth contact, the ring gear and differential assembly are mounted in bearingsThe bevel drive pinion is supported by two tapered roller bearings,mountedinthedifferentialcarrier This pinion shaft is straddle mountedmeaning that a bearing is located on each side of the pinion shaft teeth. Oil seals prevent the loss of lubricant from the housing where the pinion shaft and axle shafts protrude. As a mechanic, you will encounter the final drive gea
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