Product Description

It is a kind of impact machine which is widely used for testing the toughness of Rock and has the following features:- The machine is built on a solid flat M.S. plate form. The machine has a cast iron holding device (anvil) weighing 50Kg. fixed upon a solid foundation. The machine is fitted with a striking hammer weighing 2 Kg. arranged to fall freely between guides. The machine is fitted with a plunger made of hardened steel and weighing 1Kg. and is duly arranged to slide freely in a vertical direction in a sleeve, the lower end of the plunger, the lower end of plunger being spherical in shape with a radius of 1 cm. The machine is fitted with the mechanism for raising the hammer and for dropping it upon the plunger from any specified height from 1cm. to not less than 75cm. and means for determining the height of the fall to approximately 1mm. The machine is fitted with device to hold the cylindrical test specimen securely in the anvil, without rigid lateral support, and under the plunger in such a way that the centre of its upper surface shall throughout the test be tangential to the spherical end of the plunger at its lower point. Suitable operation on 220 volts, single phase, A.C. supply.