In automatic transmissions a smooth clutch operation is related to the velocity dependence of the coefficient of friction (COF). Although JASO M348 and other full-scale clutch tests, or other ...

The functional lifetime of a wet clutch can be characterized using wear characteristics such as velocity dependence of the coefficient of friction (COF) and friction curves. Current market trends ...

Friction and wear pose enormous challenges to 21st Century mechanical and electromechanical systems. By one estimate, 6% of the gross national product is wasted through its impact. Tribology is the ...

Test service enhances Bal Seal offering for low-friction seals, verifies friction and leak rate for seals up to 22 in. diameter A new test service introduced by Bal Seal Engineering, Inc. offers ...

• Excessive seal friction wastes energy, accelerates wear, and can lead to premature failure. • Too little friction makes a seal prone to leak. • Pressure-activated hydraulic seals minimize both ...