Hệ thống treoTOYOTA

Diagnosis Technician>>Suspension and Steering>>Suspension System TRƯỜNG ĐẠI HỌC SƯ PHẠM KỸ THUẬT TP.HCM KHOA CƠ KHÍ ĐỘNG LỰC HƯ thèng treo SUSPENSION SYSTEM Diagnosis Technician>>Suspension and Steering>>Suspension System Suspension System Shock absorber Descriptio n Spring Torsion beam Spring Stabilizer Shock absorber Suspension arm Lower arm (1/1) Diagnosis Technician>>Suspension and Steering>>Suspension System Suspension System Oscillation and Driving Comfort 1.Sprung weight and unsprung weight Sprung weight Unsprung weight Sprung weight Sprung weight Unsprung weight Unsprung weight (1/3) Diagnosis Technician>>Suspension and Steering>>Suspension System Suspension System 2.Oscillation of sprung weight (1) Pitching (2) Rolling Oscillation and Driving Comfort (3) Bouncing (4) Yawing (2/3) Diagnosis Technician>>Suspension and Steering>>Suspension System Suspension System 3.Oscillation of unsprung weight (1) Hopping (2) Tramping Oscillation and Driving Comfort (3) Wind-up (3/3) Diagnosis Technician>>Suspension and Steering>>Suspension System Suspension System (1) Rigid axle suspension Suspensio n Types and Characteri stics (2) Independent suspension (1/3) Diagnosis Technician>>Suspension and Steering>>Suspension System Suspension System (1) Rigid axle suspension Suspensio n Types and Characteri stics (2) Independent suspension (1/3) Diagnosis Technician>>Suspension and Steering>>Suspension System Suspension System (1) Rigid axle suspension Suspensio n Types and Characteri stics (2) Independent suspension (1/3) Diagnosis Technician>>Suspension and Steering>>Suspension System Suspension System (1) Trailing arm type with torsion beam (2) Parallel leaf spring type (3) Leading arm type with lateral rod, trailing arm type with lateral rod Suspensio n Types and Characteri stics (4) 4-link type (2/3) Diagnosis Technician>>Suspension and Steering>>Suspension System Suspension System (1) Trailing arm type with torsion beam Trailing arm Torsion beam Suspensio n Types and Characteri stics Stabilizer bar No lift-up (2/3) Diagnosis Technician>>Suspension and Steering>>Suspension System Springs Types of spring 3.Coil springs Spring rod Progressive spring Load Load Taper coil spring Unequal-pitch spring Conical springs Load Progressive spring Flexure (4/6) Diagnosis Technician>>Suspension and Steering>>Suspension System Springs 4.Torsion bar springs/ 5.Rubber springs Torsion bar springs Opposing torsion Types of spring Fixed end of torsion bar Torsion Torsion applied to end of bar by lever Rubber springs Rubber cushion Springs bumper (5/6) Diagnosis Technician>>Suspension and Steering>>Suspension System Springs Types of spring 6.Air springs Air chamber Rolling diaphragm (6/6) Diagnosis Technician>>Suspension and Steering>>Suspension System Shock Absorbers Descriptio n Spring Tire Shock absorber Suspension linkage & axle Amplitude without Shock absorber with Shock absorber Time (1/1) Diagnosis Technician>>Suspension and Steering>>Suspension System Shock Absorbers Descriptio n Principal of operation Orifice Piston Compression Expansion Compression Valve Expansion Piston speed Damping force Damping force Expansion Damping force 1.Principal of operation Piston speed Compression High (firm) Medium (sports) Low (soft) Piston speed Low (soft) Medium (sports) High (firm) (1/1) Diagnosis Technician>>Suspension and Steering>>Suspension System Shock Absorbers Descriptio n 2.Types Classification of shock absorbers Single-action by Operation Multiple-action Mono-tube by Construction Twin-tube Hydraulic by Working medium Gas-filled (1/1) Diagnosis Technician>>Suspension and Steering>>Suspension System Shock Absorbers Constructi on and Operation 1.Mono-tube type Piston rod Rod guide Oil seal Rebound stopper Upper chamber Piston valve Lower chamber Free piston Protector Nitrogen gas (High pressure) (1/4) Diagnosis Technician>>Suspension and Steering>>Suspension System Shock Absorbers During bounding (compression) Constructi on and Operation During rebounding (expansion) (2/4) Diagnosis Technician>>Suspension and Steering>>Suspension System Shock Absorbers 2.Twin-tube type Ring nut Bumper stopper Oil seal Gasket Air Rod guide Absorber shell Piston rod Cylinder Constructi on and Operation Rebound stopper Piston valve Reservoir Piston rod Piston Base valve Gas (Low pressure) Piston valve Low-pressure gas-filled type Fluid Base valve (3/4) Diagnosis Technician>>Suspension and Steering>>Suspension System Shock Absorbers During bounding (compression) Chamber B Orifice Constructi on and Operation Piston rod Non-return valve Leaf valve Reservoir chamber Piston & piston valve Chamber A Non-return valve Orifice Leaf valve Base valve Piston rod’s speed of motion high Non-return valve Leaf valve Leaf valve Piston valve Piston rod’s speed of motion low Orifice Piston valve Base valve Orifice Base valve (4/4) Diagnosis Technician>>Suspension and Steering>>Suspension System Shock Absorbers Constructi on and Operation During bounding (expansion) Chamber B Non-return valve Orifice Piston & piston valve Leaf valve Reservoir chamber Piston rod Orifice Chamber A Non-return valve Leaf valve Base valve Non-return valve Piston rod’s speed of motion high Leaf valve Piston valve Piston rod’s speed of motion low Orifice Piston valve Base valve Orifice Base valve (4/4) Diagnosis Technician>>Suspension and Steering>>Suspension System Shock Absorbers 1.Handling of shock absorbers/ 2.Handling of gas-filled shock absorbers Servicing Precaution s (1/3) Diagnosis Technician>>Suspension and Steering>>Suspension System Shock Absorbers 3.Evacuation of gas (1) Ducarbon type Hole 10mm Gas Free piston Servicing Precaution s Vinyl bag Drill (2∼ 3φmm) Rubber band (2) Non-disassemblable MacPherson strut type Drill area (3) Disassemblable MacPherson strut type SST (2/3) Diagnosis Technician>>Suspension and Steering>>Suspension System Shock Absorbers 4.Installation of cartridge type low-pressure gas-filled shock absorbers Strut type Servicing Precaution s Ring nut Cartridge Piston rod with cylinder (3/3) Diagnosis Technician>>Suspension and Steering>>Suspension System Suspension System Spring offset Centerline of spring Piston rod Rod guide a A B b Bending force Piston Inner shell Spindle Reactive force by spring off-setting Load (1/1)