ENGGIFIC ENGINEERING & SCIENTIFIC Abids, Hyderabad, Telangana

The apparatus consists of a metallic frame bearing a freely movable rod with a cap at top, one vicat mould, split type and glass base plate and one set of needles one each initial needle, final needle and consistency plunger.

Accel. : 0.1 - 199.9 m/s, Velocity : 0.1 - 1999.9 m/s, Disp. : 0.001 - 1.999 mm

It is designed to carry a load of 140 kg. The apparatus consists of a motor fitted with a variable pitch pulley housed in a cabinet. The vibrations are imparted by means of off-balance masses rotating on a shaft of a vibrator clamped to the underside of the table top. The table top is 50cm x 50cm. and has stops along its edges to prevent moulds from walking off the table during vibration. A cross arm adjustable on a vertical rod at the center of the table is provided to hold the moulds while operating the table. The variable pitch pulley arrangement permits the frequency to be varied steplessly between a maximum of 3600 vibrations down to 2600 vibrationsper minute. A speed regulation handle is provided for increasing or decreasing the frequency. A switch is provided for starting the motor, suitable for operation on 440 volts, 3 phase, 50 cycles, A.C.supply.

The machine consists of a vibrating frame assembly and an electric motor mounted on a sturdy base. The complete frame assembly consists of a vice to hold a 7.06cm cube mould and two studs threaded at top and a hopper to feed the sample in the mould. This assembly is supported on four springs and has an in built rotating shaft which rotates eccentrically and thus imparts vibrations to the entire frame. A balance weight is an integral bottom part of the frame. The centre of gravity of the assembly is brought to the centre of the eccentric shaft or within a distance of 25mm below it.

The equipment consists of : A Vibrating Table size 380mm long and 260mm wide, resting upon elastic support at a height of about 305mm above the floor, complete with start/stop switch, cord and plug. A holder is fixed to the base into which a swivel arm is telescoped with funnel and guide sleeve. The swivel arm is also detachable from the Vibrating Table. A graduated rod is fixed on a swivel arm and at its end a plastic disc is screwed. The division of scale on the rod record the slump of the concrete in millimeters, supplied complete with a sheet metal container with lifting handles which can easily be fixed to the Vibrating Table. A slump cone open at both ends with lifting handles and a Tamping rod of size 16mm dia and 600mm long, rounded at one end.

It is a motor driven mechanical compactor useful for soil compaction into 100mm or 150mm dia moulds. Two sets of rammers are provided, one of 2.6kg. And the other of 4.89 kg arranged for 310mm and 450mm fall respectively. For compaction soil into 150mm dia moulds, 100mm face dia rammers having weight of 4.89Kg is used. Where as for 100mm dia moulds, they are of 50mm dia. The rammer assembly is provided with a ratchet and pawl arrangement to lift it from the top of the soil layer. When the rammer reaches the required height the pawl release the rammer, which falls freely on soil surface. The release mechanism is connected by an arm moving up and down which is connected to a reduction gear coupled to the motor through another arm. An automatic blow counter fitted to the compactor is used to set the number of blows. The base plate of the specimen mould is to be fitted to the rotating base plate of the instrument which makes 1/5th revolution per operation. Operation on 230 volts, 50 cycles, single phase, A.C. supply, Moulds are to be ordered separately.

Comprises of a hand operated load frame, cap. 5000 kgf with screw jack for loading, handle and strain dial gauge bracket, adaptor for proving ring, conical seats and male/female coning tools for 38 mm dia samples. Supplied without proving ring, dial gauge.

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