Universal Testing Machine and Components of UTM
A machine used to test specimens for tensile strength, compressive strength, shear strength and to perform bend test along other important laboratory tests. The primary use of the testing machine is to create the stress strain diagram.
Once the diagram is generated, a pencil and straight edge or computer algorithm can be used to calculate yield strength, Young's Modulus, tensile strength or total elongation.
Components of UTM
It consists of two main parts, called:
In this unit actual loading of the specimen takes place - consists of three cross heads namely upper head, middle head and lower head. Using appropriate cross heads tensile, compressive, shear, bending load with the help of different attachment can be applied. Loading unit of a UTM consists of:
The load is applied and recorded by this unit. The load is applied with control valve and released by release valve. The load is applied with the help of hydraulic pressure.
An instrument used to measure elongation in the material
Tests UTM can perform
Displays Test Traces and Values
Test Traces: An ongoing test can be displayed as either:
Digital Indicating Windows: The following are displayed:
Applications of Universal Testing Machine
Universal Testing Machine can be used and applied to perform tests on the following samples: