Product Development Procedure Activities. 1  Product/ Process Initiation. 2  Determining Requirements and Objectives. 3  Meeting Requirements and Objectives. 4  Design Acceptance. 5  Design Validation and Testing.
An idler gear is a gear wheel that is inserted between two or more other gear wheels. The purpose of an idler gear can be two-fold.Firstly, the idler gear will change the direction of rotation of the output shaft.n idler-wheel drive is a system used to transmit the rotation of the main shaft of a motor to another rotating device, for example the platter of a record-reproducing turntable or the crankshaft-to-camshaft gear train of an automobile.
The centric ring is a device used with the rims and are installed between the car wheel hub and the rim. The purpose of the hub centric ring is to fill the empty space between the wheel hub and the center bore of the rim.Centric rings are usually made of durable industrial plastic.Centric rings are also made of aluminum.he purpose of the centric ring is to perfectly center the alloy wheel to the wheel hub and hence prevent vibration to the steering wheel during driving and the shaking which typically appears around speeds of 40-60 mph. Driving fe eling WITHOUT and WITH the hub centric ring: