Delhi, India
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The disc polisher consists of a 20 cm balanced polishing disc mounted on a steel spindle. The spindle is located on heavy duty ball bearing. The disc is easily removable for quick changing of the polishing cloth or paper, which is fastened on the disc by mean of spring or rubber girdle on the rim of the disc. Around the disc is an aluminium drain jacket fitted with drain tube.
The speed of the disc can be continuously varied from 450 to 1200 r.p.m. A metallic reservoir is also provided for dropping water on the specimen. The machine is electrically operated suitable for operation on 220 / 230 volts single phase . A . C . supply.
1.Designed to speed up crushing of Aggregates, Ores, Mineral, Coal and Similar Materials
2.Compact and rugged for laboratory and small production units
3.Manganese steel jaws adjustable up to 6mm opening
4.250kg materials can be crushed in approx eight hours
5.Supported with strong steel frame
6.Suitable for operation with 440 V, Three Phase A.C. Supply
It is used for determination of resistance offered by rock to weathering and disintegration when subjected to immersion in water and has facility to test upto four seats of samples.
Table Mounted
Stable Construction Feed arrangement for cutting
Feed arrangement for cutting
Cooling water
Specifications:
Heavy Duty, Single Phase Motor 230 V A.C.
A V-Vice, to hold the sample up to 55mm dia x 140mm long
Cores longer that 140mm can be prepared
THE MIXERS ARE SUITABLE FOR MECHANICAL MIXING OF HOT -MIX BITUMINOUS MIXTURES. IT IS PROVIDED WITH STAINLESS STEEL MIXING BOWL HAS THE CAPACITY OF 5 LITRES . THIS MIXTURE HAVE PLANETARY AND REVOLVING MOTION FOR UNIFORM MIXING. IT HAS BOTH LOW AND HIGH R.P.M TO AGITATE AND MIX THE MIXTURE VIGOROUSLY WITH THE AID OF THE SPRING STEEL BAFFLES ALSO INSERTED IN THE BOWL. IT FURNISHED WITH AN ELECTRIC HEATING ARRANGEMENT FOR MAINTAINING THE TEMPERATURE DURING THE MIXING PEROID .OPERATED ON 220 VOLTS, 50HZ, SINGLE PHASE AC SUPPLY.
The concrete test hammer is an instrument used for the non-destructive testing of concrete . it allows one to have a quick estimate of the strength of concrete . since it simply gives an indication based on surface properties
1.Measuring range 10 to 70n/mm2
1. Flow table top 76.2 cm (mild steel plate)
2 Fabricated stand
3 Hardened steel cam
4 Drop 12.5mm
5 Flow mould
6 Electric motor with gear box
7 Ac supply 220v, single pahse, 50hz
VIBRATING MACHINE: IS: 10080, BS 4550 Consists of a frame mounted on coil springs to carry the cube mould , and a revolving shaft provided with an eccentric.
By means of a balance weight beneath the base plate attached rigidly to the frame, the center of gravity of the whole machine, including the cube and mould, is brought either to the eccentric shaft, or within a distance 25mm below it.
Normal running speed of eccentric shaft is 12, 000400RPM. Fitted with BELT GUARD. The motor and a crowned pully on the vibration machine.
Supplied complete with one cube mould 7.06 cms with base plate. Suitable for operation on 230 V, single phase, 50 cycle, A.C. supply Complete with timer
. 6inch bit capacity
Weighs only b 45 pounds
50Hz, 220v, 3500w
Single Speed-700 RPM
Very durable and reliable
Diamond drill with water source
Spring loaded slide handle for easy coring
Convenient carrying handle on carriage
Mixing capacity 40 L
2 Overall dimension:- 910x875x1250mm
3 Motor : 2 hp, 960rpm
4 Portable % compact
5 Adjustable blades
6 Simple to clean &maintain
7 Easy to operate
8. Supply 440v, 50hz, three phase ac supply
Point Load Index Tester, is used for determining the Diametral Point Load Strength Index of rock cores and irregular lumps which can be tested without any treatment. The Point Load Test is primarily an Index Test for strength classification of rock materials. This instrument is mainly intended for field measurements on rock specimen but it can also be used in the laboratory. The results of the test may also be used to predict the uniaxial compressive strength of rock from correlations. The apparatus is light and portable. It can be used in the laboratory as well as in the field.
Salient Features:
Rock core specimens can be tested without any preparation.
The results of the test may also be used to predict the uniaxial compressive strength of rock.
With this instrument, a wide range of core sizes can be tested.
The frame has adequate adjustments to align perfectly the loading axis passing through the centre of the bearing plates and
Loading
This Set Is Used For Specific Gravity, Apparatus Specific Gravity And Water Absorption Of Aggregates.
THIS EQUIPMENT IS REQUIRED FOR WATER ABSORPTION AND SPECIFIC GRAVITY TEST OF AGGREGATES. WITH DENSITY BASKET, WATER TIGHT CYLINDER AND ELECTRONIC BALANCE OF 10 KG X 0.5 GM SENSITIVITY. THE BALANCE WILL BE WITH UNDERHOOK WEIGHING ARRANGEMENT AND WILL BE MOUNTED ON SUITABLE TABLE TO FACILITATE THE TEST. THE WATER TIGHT CONTAINER WILL BE MOUNTED ON A MECHANICAL JACK WHICH WILL FACILITATE THE UP-DOWN MOVEMENT OF THE CONTAINER FOR WEIGHT IN AIR AND WATER.
It is for determining the aggregate impact value and has been designed in accordance with IS: 2386 (Part 4), IS: 9377-1979. The sturdy construction consists of a base and support columns to form a rigid framework around the quick release trigger mechanism to ensure an effective free fall of the hammer during test. The free fall can be adjusted through 380 5 mm. The hammer is provided with a locking arrangement.
The apparatus is used for determination of the strain and deformation characteristic of cement concrete cylindrical specimen of 150 mm dia. X 300 mm length
It consists of two frames for clamping to the specimen
Tightening screws with taper ends
Two spacers hold the two frames in position
Dial gauge 0.002 x 5mm
Model consists of hinged joints. Model will be able to demonstrate the qualitative behavior of the truss under load. As the members are very flexible, a compression member will easily show it's buckling i.e. it will curve out of plain. The tension member however remains straight and tight. The student will therefore have a visual picture of the type of stresses i.e. compressive or tensile that each member of truss will carry under various positions of the load. In case of pinned joint truss, the student will be able to observe that angle between members at each joint undergo a small change
It consists of a sheet metal box mounted on legs and fitted with a series of chutes of equal width which discharge the material alternatively in Opposite Directions into Separate Pans. The chutes of the Riffle are steep enough to allow rapid flowing of the Materials.
The instruments has 16 nos. Chutes of 25mm width and is complete with Receivers.
It is essential that the ends of the concrete cylinder specimen are flat and parallel when conducting a compressive strength test
Supply complete with
1.Capping set vertical for capping 150 mm dia. cylinders and cores.
