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Is the 'Yaxiang' a Transmission?

2 Answers

ReedFitz

07/25/25 5:17pm

Yaxiang (not called 'Yaxiang') is a transmission, just a different term for it. The formal name is transmission, while the industry slang is Yaxiang. Transmissions are categorized into manual transmissions and automatic transmissions, which differ in structure. A manual transmission consists of planetary gears, brakes, and one-way clutches; an automatic transmission is composed of a pump wheel, turbine, and guide wheel. Introduction to Transmissions: A transmission is a device that changes the speed ratio and direction of motion. It is used in automobiles, tractors, ships, machine tools, and various machines to alter the torque, speed, and direction of motion transmitted from the driving shaft to the driven shaft under different working conditions. Gear-driven transmissions generally consist of a housing and several gear pairs. Functions of a Transmission: The primary role of a transmission in a vehicle is to amplify torque, adjust speed, enable reverse motion, and interrupt power. The engine transmits power to the transmission through a clutch plate or hydraulic coupler. After speed adjustment by the transmission, the power is output to the driveshaft, which then transfers the power to the wheels, driving the vehicle forward. This constitutes a complete power transmission process. Whether the transmission is automatic or manual, their transmission paths are the same.

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McOwen

08/11/25 10:05pm

I'm a car mechanic with over a decade of experience. I often hear people asking if the 'pressure box' refers to the transmission. Actually, there's no such component called 'pressure box' - you might have misheard the names of transmission parts. There is a pressure plate inside the transmission that works with the clutch disc. The transmission's primary function is to convert engine speed and torque, ensuring smooth wheel rotation at different vehicle speeds. Once I encountered a rookie who called the entire transmission a 'pressure box', which caused communication issues during repairs and wasted half a day. I recommend learning proper terminology: manual cars have gearshift levers, automatic cars have planetary gear sets, hybrids have electronic controllers - all these belong to the transmission system.

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