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EDUCATIONAL PURPOSE MACH.
SPECIAL PURPOSE MACH.
 
TRIBOLOGY / RELIABILITY LAB ( TRB )
 

 
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Journal Bearing Apparatus With Manometer.( T R B 01 )
RANGE OF EXPERIMENTS.

1. Simple Demonstrations
Observation of the pressure profile at the various conditions of load and speed.
2. Experimental Investigation.
After noting the pressure profile for any chosen conditions, the following analysis may be Conducted.
a) Plotting the Cartesian and polar pressure curves.
b) Plotting the theoretical Sommerfeld curves.


     
 
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Journal Bearing Apparatus With Digital Pressure Indicator.( T R B 01 A)
RANGE OF EXPERIMENTS.

1. Simple Demonstrations
2. Observation of the pressure profile at the various conditions of load and speed Experimental Investigation.
3. After noting the pressure profile for any chosen conditions, the following analysis may be Conducted.
5. Plotting the Cartesian and polar pressure curves.
6. Plotting the theoretical Sommerfeld curves.


     
 
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Michell Tilting Pad Thrust Bearing Apparatus.( T R B 02 )
RANGE OF EXPERIMENTS.

1. Demonstration of pressure development
A) In Longitudinal direction of Tilting Pad
B) In Transverse Direction of Tilting Pad
2. Plotting pressure variation curve in longitudinal & transverse direction of a pad for three speeds and pad inclination.
3. Approximate comparison of theoretical and practical values possible.

     
 
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Dead Weight Pressure Gauge Tester.( T R B 03 )
RANGE OF EXPERIMENTS.

1. To calibrate pressure device using standard dead weights

     
 
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Ball Bearing Test Rig.( T R B 04 )
RANGE OF EXPERIMENTS.

1. To test bearing life at various load conditions .
     
 
 
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Four Ball Extreme Pressure Lubricant Tester. ( T R B 05 )
RANGE OF EXPERIMENTS.

1. To determine the load carrying capacity of a lubricant applied to a system of four balls in the from of tetrahedron.

2. To determine load wear index of lubricant.

     
 
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Brake Lining Friction Test Rig. ( T R B 06 )
RANGE OF EXPERIMENTS.

1) Friction Test for Brake lining and clutch plates:
The test specimens shall be tested on this Test Rig. The machines may be on the scale dynamometer type using constant torque. Description of test method that may be adopted for the determination of the coefficient of friction are as given below.
2) Normal Test:
The first cycle of normal test with the test machine shall be conducted 20 minutes with a load of 3.515 kg/cm on the samples. During the first few minutes of the cycle the surfaces of the test pieces shall be normalized by rubbing action on the surface so as to obtain uniform surface giving total contact with the friction disc. The average valve of the coefficient of friction shall be Calculated .
3) Coefficient of Friction is calculated by following Formula



U = Coefficient of friction , W = Load (kg), L= Length of arm in (mtr),
F= Force measured by load cell in (kg), rm = mean radius of friction material in (mtr.)

     
 
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Friction & Were Test Rig (Pin On Disc Type).( T R B 07 )
RANGE OF EXPERIMENTS.

It is essential to decide the wear rate at design stage, in doing so it is necessary to develop such equipment which will serve the purpose of material testing. The purpose of friction and wear test machine is to study following.
1. Study of frictional behavior of different combinations of materials.
2. Study of wear of different materials under condition of load and sliding speed.

     
 
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Shock Absorber Test Rig.( T R B 08)
RANGE OF EXPERIMENTS.

1. To study performance of shock absorber at various load conditions

     
 
 
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Environmental Chamber Test Rig.( T R B 09 )
RANGE OF EXPERIMENTS.

1. To study heating and cooling effect on test specimen or component .
     
 
 
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Vacuum Gauge Calibration Apparatus.( T R B 10 )
RANGE OF EXPERIMENTS.

1. To study heating and cooling effect on test specimen or component .
     
 
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Creep Testing Apparatus.( T R B 11 )
RANGE OF EXPERIMENTS.

1. The normal breaking load of the lead specimen that will cause failure.
2. That the lead specimens will break with approximately 2/3 of the above normal breaking load
if this reduced Load is applied over an extended period of time.
3. Time extension curves showing the three phases of creep (primary, secondary and tertiary).
4. Temperature effect on creep rate of specimens.

     
 
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Bearing Analyser.( T R B 12 )
RANGE OF EXPERIMENTS.

There are different types of testing machine developed. Classifying on the basis of purpose of use, it can be stated that in one type there is an academic interest of studying bearing element behaviors for better understanding of the various aspects such as dynamics, time delay.

There are following type of test rig for bearing testing machine.
1) Test rig for Light Radial loads
2) Test Rig for Heavy Radial Loads
3) Test Rig for Angular Contact Bearing


     
 
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Dry Bearing Friction Test Rig.( T R B 13 )
RANGE OF EXPERIMENTS.


     

 
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Friction in Journal Bearing ( T R B 15 )
RANGE OF EXPERIMENTS.


     
 
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Dry Bearing Friction Test Rig.( T R B 16 )
RANGE OF EXPERIMENTS.


     
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