IS 1727 1967, IS 4031 1968, ASTM C 394, C 64
Form a king standard rectangular specimens of 40x40x160 mm. of Port land and pozzolana cement mortar for determining the transverse strength.
The jolting apparatus consists of are retangular table rigidly connected by two support arms to a spindle at a horizontal distance of 800 mm from the centre of the table. There is a projecting lug with a plane face on the upper face of the table beneath which is a stop with a rounded upper surface. The table can be raised and allowed to fall freely on the stop by a cam which is connected to a motor and gearbox through a V-belt an pulleys. The cam rotates at a rate of 60 Rev/Min. A stroke counter fitted with micro-switch is
provided which stops the machine after 60 Jolts. Locating pins are provided for mounting the mould compartments
on the table. The mouldsur mounted by the hopper can be clamped rigidly to the
table. Supplied complete with mould and hopper. Suitable for
operation on 230 Volts, Single Phase, A.C. Supply.
A Digital Preset Counter can be supplied at an extra cost.
- Steel mould with base plate having three compartments each
- having40x40x160mm, internal dimensions.
- Apparatus for de-moulding the specimen.