A straightforward and low-cost pre-inspection measurement method for small gears

A New Direct and Inexpensive Method and the Associated Device for the Inspection of Spur Gears

“…The methods should cover the size domain from small gears [33] to large gears [29]. Even if specific machines exist, new measuring devices are still developed [33,34], confirming the need for low-cost measuring apparatuses, comparable in precision with modern dedicated measuring apparatuses. Two classical inspection methods with direct contact are used for the control of the tooth of spur gears with an involute profile: the span over teeth and the dimension over pins [25,26].…”

“…The dedendum cylinder S f (root cylinder); The modern methods developed using precision measurement techniques are non-contact, requiring sophisticated equipment that uses, for example, optical measurements [27,28], laser sensors [29], moiré interferometry [30], or coordinate-measuring machines (CMMs) [31,32]. The methods should cover the size domain from small gears [33] to large gears [29]. Even if specific machines exist, new measuring devices are still developed [33,34], confirming the need for low-cost measuring apparatuses, comparable in precision with modern dedicated measuring apparatuses.…”