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Easy steps to commence co-efficient of friction test

01-6-2022
The coefficient of friction (COF) is a measure of the resistance to motion between two surfaces in contact with each other. The COF test is used to determine the frictional characteristics of a variety of materials, from lubricants and films to household items and ceramic tiles. The test involves measuring the force required to move one surface over another. Taking the coefficient of friction test with the help of the Presto coefficient of friction tester, you can easily determine the frictional properties of plastic films, sheets, laminates, pipes, and other related materials. This lab testing instrument will provide you with accurate measurement of static and kinetic friction and reveals the stack-ability of plastic films with ease. Here in this blog, we are going to provide you with information about the steps you can take to commence the coefficient of friction test. Before beginning with the steps to commence testing using this lab testing instrument, we will discuss how this lab testing equipment is helpful in testing the frictional properties of plastic films. So, let us get started!
How Presto coefficient of friction tester is helpful in testing the frictional properties of plastic films?
Features of Presto co-efficient of friction tester
- Clamps are provided to attach the sample to the glass slab.
- Safety switches are provided at the end surface to stop the motion of the load cell along with the weight.
- Gives both dynamic and static friction.
- Speed regulating knob.
- Digital display for both kinetic and dynamic friction.
- Calibrated in accordance with ISO norms, Calibration Certificate provided traceable to (NABL).
Technical Specifications of Presto co-efficient of friction tester
- Outer Body Construction: Mild Steel, Powder Coated
- Sample Mounting Construction: Stainless steel with glass mounting
- Load Cell Capacity: 5Kgf
- Motor: Single phase, ¼ H.P
- Display for load: Dual Display: Digital and Computerized
- Block: Weight, Dimension, Thickness 200gm, 63.5 x 63.5 mm, As per Load
- Speed :150±30mm/min
- Standards: ASTM D1894, ASTM D202, ASTM D4918, ISO 8295 and TAPPI T815
- Power Supply: 220 V AC, 50 Hz, Single Phase Power Supply
- Safety: Limit Switch
- Weight of slide Clamp:200g
- Accuracy: 2.5%
- Least Count: 1g
How to commence the test using Presto co-efficient of friction tester?
- Plugin the mains lead to an electrical socket of 3 pin-5 Amp configuration.
- Switch ON the Main Button from the Control Panel.
- Switch ON the Indicator ON/OFF switches from the load indicator.
- After the above settings, set the speed of the test, using the speed regulator pointer at point 5, and then switch the toggle switch to the right direction to move the slide block to the right of the machine using the toggle switch.
- The load will start indicating values on the Digital Display as it experiences the weight.
- Note down the load readings from the Digital Screen to evaluate the Kinetic frictional force value. Note- Take the average of a minimum of 10 readings
- When the machine reaches the extreme right, it will stop automatically. Press the Memory key once to get the Static frictional force value.
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