friction torque

(redirected from Frictional torque)

friction torque

[′frik·shən ‚tȯrk]
(mechanics)
The torque which is produced by frictional forces and opposes rotational motion, such as that associated with journal or sleeve bearings in machines.
References in periodicals archive ?
beta] - Dynamic frictional torque constant (Nm x s x [rad.
Frictional torque generation on either side of clutch disc has been modelled separately.
Integrated bearings in hybrid technology lower the starting torque and frictional torque in operating speed in comparison to air bearing separator rollers known for their low friction.
Some seals last 10 times longer than others in lab testing, but better sealing typically increases drag and frictional torque, which can be undesirable in some applications.
Dutch firm Royal DSM has launched an innovative new high-performance material that reduces frictional torque in automobile engine timing systems.
Natsumeda and Miyoshi [11] carried out theoretical analysis on the engagement of wet clutch on the basis of two-dimensional average flow model for the analysis of oil film squeeze motion and mainly analyzed the effect of temperature on the frictional torque of wet clutch engagement.
j] = summation of all of the frictional torque loss on the rotor, Nm (ft*lb)
The obvious solution was a stronger spring, but that increases decoupling effort and frictional torque, both of which are bad in a medical syringe pump.
Sir John Charnley was convinced that the frictional torque from the MOM articulation was unsatisfactory and the cause of the failures of the early McKee prothesis.
At the same time, the disc is rotated and the shear stress is determined from measurements of the frictional torque at each stress level.
Within the 4-point contact radial ball design, one-piece separators between balls maintain low frictional torque.
These seals have poor wear resistance and high frictional torque, which consumes a lot energy, particularly at startup when dry sliding environment prevail.