It consists of two hollow cylinders closed at one end and provided with fitting covers at the either end. These cylinders are mounted an a shaft 0 at angle of 30 with the axis of rotation of the shaft. The shaft rotates at 30-33 RPM. Through a reduction gear operated by a motor and is provided with a revolution counter. Complete with Abrasive charge consisting of 12 Nos. Hardened steel Balls of 48mm dia. Suitable for operation on 440 Volts, Three Phase, 50 Cycles, A.C. supply.

• Two steel cylinders complete with covers and locking device.

• Rotating frame driven by a motor/speed reducer.

• Automatic counter which can be to preset the required number of revolutions.

• Rotation speed: 33 rpm.

• Power: 736 W.

• Specimen size 4" maxi.

• load 0 to 56 KN.

• Accuracy -+ 1%.