Material Testing Machine
COMPUTERIZED HYDRAULIC UNIVERSAL TESTING MACHINE
Technical Specifications
Capacity Range
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100 kN to 2000 kN (10 Ton to 200 Ton or higher)
Load Frame
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Four-column or two-column rigid steel frame
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High stiffness for accurate testing
Loading System
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Hydraulic power pack with servo or proportional valve
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Smooth and controlled load application
Control Mode
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Computerized closed-loop control
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Load, displacement, and strain control
Load Measurement
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High-precision load cell or hydraulic pressure transducer
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Accuracy: ±1% or better of indicated load
Crosshead Travel
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Up to 300–500 mm (customizable)
Grips & Fixtures
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Hydraulic wedge grips for tensile testing
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Compression platens, bending fixtures, shear tools
Software Features
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Real-time load vs displacement / stress-strain curves
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Automatic calculation of UTS, yield strength, elongation
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Test standard library (ASTM, ISO, BIS)
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Test data storage, export, and printing
Display & Interface
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PC-based system with LCD/LED monitor
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Digital indicators for load, displacement, and extension
Power Supply
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415V AC, 3 Phase, 50 Hz
Safety Features
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Overload protection
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Emergency stop button
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Hydraulic pressure relief valve
SERVO CONTROLLED UTM
📊 Typical Technical Parameters
(Specifications vary by model & capacity: 100 kN–2000 kN or more)
| Parameter | Typical Range / Value |
|---|---|
| Load Capacity | 100 kN, 200 kN, 400 kN, 600 kN, 1000 kN, 2000 kN etc. |
| Load Accuracy | ±1 % or better |
| Test Speed | 0.001 to 500 mm/min (configurable) |
| Position Resolution | 0.01 mm or better |
| Control Modes | Load, strain/elongation, displacement, hold |
| Measurement Feedback | Load cell, encoder/extensometer |
| Data Output | Real-time graph, exportable results |
DIGITAL TENSILE TESTING MACHINE
What Is a Digital Tensile Testing Machine?
A Digital Tensile Testing Machine is an electromechanical device used to measure how materials behave under tension — that is, how much force they can withstand before they stretch or break. It digitally records key parameters like force, elongation, and strength, and displays these on a screen or computer interface for analysis.
🧪 How It Works
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Specimen Mounting
A sample (metal, plastic, rubber, textile, etc.) is gripped between the machine’s upper and lower fixtures. -
Tension Application
The machine pulls the specimen apart at a controlled speed using a motor and crosshead mechanism. -
Data Capture
As tension increases, digital sensors (usually load cells) record force versus elongation. Modern machines often interface with software for real-time graphs and data export. -
Failure & Analysis
Testing continues until the material breaks. The machine then reports properties such asultimate tensile strength, yield strength, elongation, and modulus of elasticity.
📊 Typical Features
✅ Digital & Computerized Readouts
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Real-time display of force, displacement, and elongation.
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Many machines provide computer interfaces for storing and analyzing test results.
✅ Precision Sensors
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High-sensitivity load cells and digital encoders ensure accurate measurements.
✅ Safety & Protection
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Limit switches and overload protection safeguard both the specimen and the machine.
✅ Variable Speed Control
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Test speeds can often be varied based on material type and test standards.
✅ Standards Compliance
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Machines can be designed to meet ASTM, ISO, and IS standards depending on industry requirements.
🏭 Common Applications
Digital tensile testers are used in:
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Industrial quality control (metals, plastics, elastomers)
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R&D laboratories (new materials, composites)
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Automotive & aerospace sectors (ensuring material safety)
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Textile and packaging industries (fiber and film testing)
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Educational and research institutions
🔍 What Results You Get
After a test, you typically get:
| Property | Meaning |
|---|---|
| Tensile Strength | Highest stress the material withstands before breaking |
| Yield Strength | Stress at which material begins to deform permanently |
| Elongation at Break | How much the material stretched before breaking |
| Modulus of Elasticity | Material stiffness measured from stress-strain data |
🛠 Buying Considerations
If you’re looking to purchase one:
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Load Capacity: Choose based on maximum force you need to test (e.g., 500 N vs. 5000 kgf).
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Display Type: Digital panel vs. computer-integrated software.
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Accuracy & Standards: Verify compliance with relevant testing standards (ASTM, ISO, etc.).
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Accessories: Special grips or fixtures for different materials enhance flexibility.