Mechanical Engineering

Technical English ISEL

Clutch

Gearbox

Differential

2011/2012 B. Sher

Mechanical Engineering

Technical English ISEL

Clutch

Gearbox

Differential

2011/2012 B. Sher

The transmission system of a rear-wheel drive vehicle

The main components of a rear-wheel drive transmission system are: a clutch, a gearbox, one drive-shaft, a differential and 2 half-shafts (they connect the differential to the wheels)

Mechanical Engineering

Technical English ISEL

Clutch

Gearbox

Differential

2011/2012 B. Sher

The transmission system of a rear-wheel drive vehicle

Mechanical Engineering

Technical English ISEL

Clutch

Gearbox

Differential

2011/2012 B. Sher

Drive shaft

Output shaft

Input shaft

Gearbox outer casing

Shifting rod & fork

Clutch

Differential Universal joint

The transmission system of a front-wheel drive vehicle

Mechanical Engineering

Technical English ISEL

Clutch

Gearbox

Differential

2011/2012 B. Sher

Clutch

Mechanical Engineering

Technical English ISEL

Clutch

Gearbox

Differential

2011/2012 B. Sher

Components: Pressure Plate

Pressure Plate

The pressure plate is a spring loaded device that can either connect or disconnect the friction disc and the flywheel.

Pressure Plate Friction Face

Clutch The clutch

Mechanical Engineering

Technical English ISEL

Clutch

Gearbox

Differential

2011/2012 B. Sher

The flywheel is bolted to the crankshaft flange. The clutch pressure plate is bolted to the flywheel. The friction disc fits between the flywheel and the pressure plate.

Clutch The clutch

Components: Flywheel

Mechanical Engineering

Technical English ISEL

Clutch

Gearbox

Differential

2011/2012 B. SherFriction Disc

Rivets

Splines for gearbox input shaft

Torsion springs

Grooves for cooling

Clutch The clutch

Components: Friction Disc

Mechanical Engineering

Technical English ISEL

Clutch

Gearbox

Differential

2011/2012 B. Sher

The Clutch and Gearbox

Friction disc

Flywheel

Clutch

Mechanical Engineering

Technical English ISEL

Clutch

Gearbox

Differential

2011/2012 B. Sher

Clutch

Mechanical Engineering

Technical English ISEL

Clutch

Gearbox

Differential

2011/2012 B. Sher

Clutch

Mechanical Engineering

Technical English ISEL

Clutch

Gearbox

Differential

2011/2012 B. Sher

When a small gear drives a larger gear, it increases torque output but the output speed is

reduced.

The gear ratio is determined by the number of teeth on the

gears

Gearbox

The GearboxGear ratios

Mechanical Engineering

Technical English ISEL

Clutch

Gearbox

Differential

2011/2012 B. Sher

Differential

The Differential