Mediakit 2018


Solvays PARA Enables Development of Quieter Clutch Actuator System by FTE

 |  Subj: Media reviews

FTE's Clutch Actuator

Solvay has announced at the recent International CTI Symposium that its Ixef 1027 polyarylamide (PARA) enabled development of a new clutch actuator system from FTE automotive Group.

Selected to replace a glass-filled polyamide (PA) 6/6 actuator that generated cabin noise at elevated temperatures, Ixef 1027 PARA introduced lower thermal expansion and higher dimensional stability to the new actuator design, which is now onboard a leading heavy-duty diesel truck series sold in the U. S.

Reduced Cabin Noise

FTE and its customer have managed to reduce cabin noise with each new generation of the manual transmission truck. Ironically, this has caused once relatively quiet functions to become ever more noticeable in recent models.

  • The clutch pedal  or rather the hydraulic actuator system it activates  became the latest target for improvement.
  • The actuator comprises a master cylinder consisting of a piston that attaches to the pedal and a slave cylinder that links to the trucks drivetrain.
  • Depressing the clutch pedal transfers brake fluid from the master into the slave, this then disengages the transmission from the engine.

Ixef 1027 PARA

Solvay and FTE, who have collaborated for over 20 years, worked together to select Ixef 1027 PARA.

  • A 50 percent glass-fiber reinforced, heat-stabilized compound that delivers very high strength and rigidity along with excellent creep resistance.
  • The material flows and packs very well in the tool, which provides the inside bores of the molded clutch cylinders with a very smooth, resin rich surface.
  • The aromatic ring structure of the PARA molecule  in contrast to conventional nylons straight chain  substantially reduces its moisture absorption and enables the clutch cylinders to be more dimensionally stable.

Ixef is a registered trademark of Solvay

Source: SpecialChem

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