Standard clutch actuation system

Powertrain Waldemar Schulz / TFQ-1ZF Trading GmbH

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Standard clutch actuation system


clutch disc

tangential strap

pressure plate

diaphragm-spring

locating rivet

sheet-metal housing

Diaphragm-spring clutch (push-type), type M


Diaphragm-spring clutch, push-type


clutch disc

pressure plate

set of straps

steel housing

releaser

diaphragm spring

Diaphragm-spring clutch (pull-type), type MFZ


Diaphragm-spring clutch, pull-type


Clutches for commercial vehicles(push-type and pull-type)


B-cushion(System Borglite)

D-cushion(Borglite Double Segments)

Z-cushionE-cushion

Clutch discs / cushions


Clutch discs

Rigid cluch disc Flexible clutch disc Clutch disc with pre-damper

Clutch disc with main damper mit

Clutch disc with pre-damper and main

damper

Clutch discs for DMF


CSC - Concentric Slave Cylinder

Releasers with integratedslave cylinder (CSC)


Releasers with integratedslave cylinder (CSC)


CSC - Concentric Slave Cylinder

Releaser with integratedslave cylinder (CSC)


Clutch Kit Clutch Kit Plus

• Disc

• Cover assembly

• Releaser

• Disc

• Cover assembly

• CSC Releaser

Slave cylinder

bearing + Slave Cylinder CSC

Clutch Kit and Clutch Kit Plus


Technical requirements:

Higher torque levels

Higher ignition pressures

Stricter emission controls

Greater requirements for comfort and noise control

Protection of gearbox and vibration-sensitive vehicle components

Dual Mass Flywheel DMFTechnology at a glance

all require extremely high-performance torsional dampers


spring tuning parameters

primary flywheel

secondary flywheel

planet wheel

Dual Mass Flywheel (DMF)


RPM Fluctuationengine

RPM Fluctuationtransmission

Time

Engine Transmission

Time

Vibration damping

Conventional Powertrain


Engine Transmission

RPM Fluctuationengine

RPM Fluctuationtransmission

Vibration damping

Time Time

Powertrain with Sachs Planetary DMF


Torsion damper set Sachs(tensionless state)


Torsion damper set Sachs(first grade stopper)


Torsion damper set Sachs(second grade stopper)


Second stage

First stage

Torsion angle (°)

Torq

ue (

Nm

)

Second stage

First stage

The spring pans and sliding shoes are there to avoid blockade of the springs and with it the damage; at the same time sliding friction is acting as a damping.

Dual Mass Flywheel DMF Torsion damper set Sachs


Between diaphragm spring and pressure plate (XTend)

Between housing and diaphragm spring (SAC-System)

Between housing and flywheel

Possible positions for automaticwear compensation


Adjustment ringsAdjustment ringsAdjustment ringsAdjustment rings

Wear detector

Ring control spring

Adjustment rings

Wear detector

Ring control spring

Wear compensation principle


Ring control springAdjustment ringsAdjustment rings

Wear detector

Wear compensation principle


tension spring – adjusting rings

slide

tension spring - slidestop

adjusting rings

retaining spring

Automatic wear compensation XTend


Adjustment

rings

Pressure plate

Movement of pressure plate when wear occurs


Adjustment

rings

Pressure plate

Movement of pressure platewhen wear occurs


Hold down spring

Stopper

Lifting of the hold down spring


Slide movement


Slide

Slide movement


Movement of the lower adjustment ring


NewAdjusted

Final position of the diaphragm spring

Standard clutch actuation system

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