Vibrator is mounted over coiled springs. Vibrations are by means of a revolvingshaft with an eccentric. Frequency 12000±400 vibration per minute. Centre of gravity of the vibrator, including the cube and mould is either at the centre of the eccentric shaft or within 25 mm below it. Easy assembling and dismantling of cube mould. Provided with belt guard and a time switch. Suitable for operation in 230 volts, 50 cycles, single phase A.C. Supply.

Vibration Machine is supplied complete with one cube mould.