- An imaginary circle concentric to a toothed wheel, along which the pitch of the teeth is measured.More example sentences
- The velocity ratio is equal to the inverse ratio of the diameters of pitch circles.
- The hypoid gears used in conventional axles do not have a true pitch circle since both sliding and rolling occurs at the teeth and the gears could not be replaced with frictional disks.
More definitions of pitch circleDefinition of pitch circle in:
- The British & World English dictionary