Vibrator is the driver that moves the part in feeder bowl. There’s two type of vibrator which is Piezo and coil type. Both type of vibrator have its advantages. Normally the vibrator speed is control by one digital controller which can select the frequency and voltage. Power supply will be at range 110V to 220V. The sizing of vibrator can vary from sizing 150mm till 460mm diameter. For in line feeder, the function is same as vibrator but it only drive the parts in forward movement. It also come with various sizing which bigger size can support for longer of feeding track.