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14 2

Slip And Creep Measurement Apparatus

The Equipment shall have the following test facility:
1) To measure co-efficient of friction between pulley material and different belt materials.
2) To measure power transmitted with varied belt tension and plotting a graph of (T -T ) V/s (T + T ) 1 2 1 2
i.e. “Tension Characteristics”.
3) To measure percentage slip at fixed belt tension by varying load on the Brake Drum and plot the graph of (T -T ) V/s percentage slip i.e.“Slip Characteristics” 1 2 Finding a Creep Zone from graph. 4) To measure belt slip speed and observe the limiting value of load at constant speed when the slip just starts.

Detailed Description


Parts/Component Details:
1) D.C. Motor 1H.P. 1500 RPM, 230 V Variable speed.
2) Driving and Driven Pulleys of equal diameters (flat
pulleys)
3) Brake Drum along with spring balance and rope
arrangement is provided to load the system.
4) Flat belts of fixed length of following belt material.
a. Fabric Belt.
b. Canvas Belt. c. Rubber Belt.   5) Belt tightening arrangement Bearing block is sliding and dead weight can be applied to set the initial tension in belt.
6) Speed Indicator: Two channel digital speed indicator with switch to change the channel.
7) Stroboscope 
Models Of Different Types Of Mechanisms
a. Crank & Slotted Lever mechanism
b. Elipse Tracer Model
c. Four Bar link mechanism
d. Inversion of Four bar mechanism
e. Kinamatics Pairs
f. Panthograph Mechanism
g. Peaucellier Mechanism
h. Watt Mechanism i. Slotted Link Bar Mechanism
j. Crank Drive to Oscillating link mechanism
k. Slider Crank Mechanism with calibrated dial:
i. Reciprocating Engine Mechanism
ii. Oscillating cylinder Mechanism
iii. Witworth quick return Mechanis