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Determination Vibration Characteristics of Free and Forced Spring Mass system with and without damping
- Viscous damping arrangement is provided with 100 sq mm tank.
- Equipment is constructed with rugged steel Frame.
- Slow and constant speed DC, 12V, Power supply motor to be used for forced vibration.
- Dimension: 700(L) x 300 (W) x 600(H).
- Resolution of linear Measurement is 1 mm.
- Overall weight: 25 kg (approx)
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Determination of gear - Train valve of compound gear trains and Epicyclic gear trains
Features:
Determination of gear - Train valve of compound gear trains and Epicyclic gear trains. This system comes in motorized drive with proximity pickup and digital rpm indicator.
- Compound Gear Train Set up is mounted on 500 (L) x 400(W) x 300(H) rugged steel platform with housing.
- Epicyclic Gear train setup with housing size is 350(L) x 400(W) x 350(H) frame.
- 125 watts, Foot mounted, S4 AC/DC motor coupled with setups.
- 0 – 1.0 HP capacity variac to control the motor speed with RPM Indicator (4digit).
- 0-10,000 rpm capacity proximity sensor.
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Study pressure distribution in a full Journal Bearing
Features:
This setup has Four Journal Bearing of same size, which is used to rotate the shaft friction free. The system is driven by 1/6 HP AC/DC electric motor, speed can be regulated by 2 amp dimmer stat, speed indication is done digitally, speed with varying load condition can be obtained by considering the frictional coefficient and viscosity of lubricant graphical representation can be performed with speed vs. friction. See Enlarge
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Friction and Wear Test Apparatus
Features: This system is designed to the see and evaluate the quantum of Wear in a given moving mechanism or part, a motorized piston in bore is subjected to constant reciprocation in the bore where as the piston ring used here is not metallurgically sound material i.e. without any alloying element a pure aluminum hence the ring wear is measured physically by using the constant reciprocation in quantum of reciprocation with that of the Physical wear. The system comes with fractional HP motor and Varian for Speed Adjustments. Specification Dimension | L x B x H mm 550 x 500 x 350 | Motor | 0.25/S/1440 RPM AC230V, 50HZ | Cylinder Bore Dia | 50.04mm | Piston Outer Dia | 50.00mm |
Electrical Panel On/Off Switch | 5A,230, AC, 50 HZ | Timer Control | Range 0-999 minutes | RPM Indicator | Digital Proximity Sensor Range 0-9999 RPM | Weights | 120gms(4nos) | Coupling | Lovejoy | Overall Weight | 40(approx) | Outside Micrometer | 25-50mm | Work piece | 4nos. |
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Measuring Micrometer
Outside Micrometer: Strain ? Chrome Finished Frame, Carbine tipped measuring faces. Flatness of 0.6 mm parallelism of 2mm for models up to 75mm, 3mm for 100mm models. Inside Micrometer: Wide range of ID measurements with Interchangeable rods. Each rod is marked with its measuring range. Both micrometer head and furnished rods are strain ? chrome finished throughout. Ranges of 25-32mm, 25-50mm, 50-63mm, 50-200mm, 50-300mm, 200-225mm, 200-1000mm. See Enlarge
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Digital Proximity Counter
Purpose: Non Contact Pickup - Proximity Counter panel and variac are housed with 320(L) x 270(W) x 210(H) size metal box to prevent from damage and easily to operate.
- 0-10,000 rpm capacity range, 418mm shank dia proximity sensor with 2m, 5m, length cables.
- 4 digits, Bright RED LED display.
- 230V, AC power supply.
- Sensing Capacity: 1 second
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Gear reducer model of gear box
- Worn Gear Box unit is mounted on 400(L) x 400(W) x 300 (H) size rugged steel platform
- Driver and driven ends have provision to measure the speed when it is running.
- 125 watts, foot mounted, S4 AC/DC motor is couple with gearbox unit driver end.
- Speed ratio: 1/25 (approx).
- 0.1 ? 1.0 Hp Capacity variac.
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Pin and Disc Wear Apparatus
Specifications: - 1. DISC-Steel disc. 400mm rotating about vertical axis driven by a 1 HP three phase induction motor, with 3 speed pulleys. Max. Surface speed 0-25 m/sec
- PINS ? 12 mm 150 mm long - Aluminum, brass and C, 1 nos. each.
- Weight set to load the pins ? 100 gm. And 200 gm. 2 nos each
Measurements - Dial gauge, L.C. 0.01 mm for measurement of pin wear
- Spring balance with torque arm for measurement of co-efficient of friction
- Digital RPM indicator for disc speed
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Model Analysis of Beam
Specifications:
- Beams – 25 x 3mm and 25 x 5 mm. Cross section and 1 m span. Beams can be supported between two supports or can be operated as a cantilever.
- Vibration exciter – 1 to 100 cycles sec, with step less vibration of frequency.
- Digital frequency indicator for vibration exciter
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Ball Bearing Test Rig
Tribology Lab Specifications: - Bearing Mounting Fixture ? Consist of a set of bearing races for bearings from 6201 to 6204 with parallelogram loading attachment.
- Drive motor ? ? HP, 6000 rpm DC motor
- Lever and spring balance for applying the load, maximum loading capacity 10000N
- Electronic revolution counter with digital indicator.
- Torque arm with dead weights for measurement of friction torque
- Fixture for measuring bearing radial clearance
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Universal Vibration Apparatus
Features: A mechanical oscillation recorder and digital indicator for indicating forcing frequency A stop clock to measure the time period A technical manual accompanying the equipment An attractive and rustproof powder coating for long life. The unit should be supplied with following experimental setup Module I llations of simple pendulum Oscillations of compound pendulum Radius of gyration of bi-filar suspension Radius of gyration of tri-filar suspension Module II Undamped torsional vibrations of single rotor system Damped torsional vibrations of single rotor system Undamped torsional vibration of double rotor system Module III Free vibrations of helical coiled spring Free vibrations of spring mass system forced damped vibrations of a spring mass system Lateral vibrations of simply supported beam Verification of Dunkerley?s rule. See Enlarge
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Epicyclic gear trains
- It is housed with 350(L) x 400(W) x 350(H) rugged frame to prevent from any damage.
- Gear train setup is shown on front side to understand the links and movement among the gears.
- 125 watts, S4 AC/DC, 6000 rpm constant speed motor directly coupled with the setup.
- 0.1-1.0 Hp capacity controllers used to vary the motor speed.
- 0 ? 10,000 rpm, proximity type sensor used.
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Cantileb Beam - Maxwell Concept
Specifications:
- Load will act vertically upto 1 Kg.
- Deflection 50 cm.
- Length of the beam 500mm
- Horizontal Bar with vertical deflects.
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Velocity Measuring Apparatus
Specifications: - Blower : 1- 2 HP Capacity
- Starter : 3 Phase starter for motor
- Duct : Made up of M.S. sheet, 100 ? 200 mm * 100 ? 200 * 100 ? 200 length
- Stand : M.S. Frame
- Anemometer with probe : Hand held (digital) battery operated, van type
- Range : 0-50 m/sec Butterfly valve to vary the air velocity
- Power supply : 240 volts AC, 50Hz
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Vibration indicator and sensor 1mm Displacement
Specifications: - This setup consists of shaker, vibration meter and sensor.
- Shaker: Force rating: 5 Newton, Frequency ranges 50Hz to 1 kHz static load on shaker spindle 100 grams.
- Control Unit: Frequency range: 50Hz to 1000Hz, output voltage 0 ? 10V
- Vibration meter: Display: 3.5 digit LCD, Source capacitance 30,000Pf
Measurement Range: - Acceleration: 0.1 ? 199.9m/s2
- Velocity: 0.01 ? 19.99 cm/s
- Displacement: 0.03 ? 1.99mm
- Accuracy: A: ?5%, V: ?5%, D: ?5%
- Selector for different modes such as accelerator, velocity and displacement.
- Power supply 230V, AC 50 Hz mains socket with toggle switch.
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