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COMPUTERIZED HYDRAULIC UNIVERSAL TESTING MACHINE

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Technical Specifications

Capacity Range

  • 100 kN to 2000 kN (10 Ton to 200 Ton or higher)

Load Frame

  • Four-column or two-column rigid steel frame

  • High stiffness for accurate testing

Loading System

  • Hydraulic power pack with servo or proportional valve

  • Smooth and controlled load application

Control Mode

  • Computerized closed-loop control

  • Load, displacement, and strain control

Load Measurement

  • High-precision load cell or hydraulic pressure transducer

  • Accuracy: ±1% or better of indicated load

Crosshead Travel

  • Up to 300–500 mm (customizable)

Grips & Fixtures

  • Hydraulic wedge grips for tensile testing

  • Compression platens, bending fixtures, shear tools

Software Features

  • Real-time load vs displacement / stress-strain curves

  • Automatic calculation of UTS, yield strength, elongation

  • Test standard library (ASTM, ISO, BIS)

  • Test data storage, export, and printing

Display & Interface

  • PC-based system with LCD/LED monitor

  • Digital indicators for load, displacement, and extension

Power Supply

  • 415V AC, 3 Phase, 50 Hz

Safety Features

  • Overload protection

  • Emergency stop button

  • Hydraulic pressure relief valve

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COMPUTERIZED TENSILE TESTING MACHINE

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Technical Specifications (Typical)

  • Capacity Range: 1 kN to 1000 kN (or higher on request)

  • Drive System: Servo motor / AC variable frequency drive / Hydraulic (as per model)

  • Load Measurement: High-precision strain gauge load cell

  • Accuracy: ±1% or better of indicated load

  • Crosshead Speed: 0.01 to 500 mm/min (programmable)

  • Speed Accuracy: ±1%

  • Stroke Length: 800 – 1200 mm (customizable)

  • Grips: Wedge, pneumatic, hydraulic, compression platens, bending fixtures

  • Control Mode: Load, displacement, and strain control

  • Software: PC-based testing software with graph plotting, test methods, and report generation

  • Data Output: Load vs extension, stress vs strain curves

  • Safety Features: Overload protection, limit switches, emergency stop

  • Power Supply: 230V / 415V AC, 50 Hz

  • Standards Compliance: ASTM E8, ASTM A370, ISO 6892, BIS standards

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DIGITAL TENSILE TESTING MACHINE

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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

  1. Specimen Mounting
    A sample (metal, plastic, rubber, textile, etc.) is gripped between the machine’s upper and lower fixtures.

  2. Tension Application
    The machine pulls the specimen apart at a controlled speed using a motor and crosshead mechanism.

  3. 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.

  4. 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

  • Real-time display of force, displacement, and elongation.

  • Many machines provide computer interfaces for storing and analyzing test results.

✅ Precision Sensors

  • High-sensitivity load cells and digital encoders ensure accurate measurements.

✅ Safety & Protection

  • Limit switches and overload protection safeguard both the specimen and the machine.

✅ Variable Speed Control

  • Test speeds can often be varied based on material type and test standards.

✅ Standards Compliance

  • Machines can be designed to meet ASTM, ISO, and IS standards depending on industry requirements.

🏭 Common Applications

Digital tensile testers are used in:

  • Industrial quality control (metals, plastics, elastomers)

  • R&D laboratories (new materials, composites)

  • Automotive & aerospace sectors (ensuring material safety)

  • Textile and packaging industries (fiber and film testing)

  • 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:

  • Load Capacity: Choose based on maximum force you need to test (e.g., 500 N vs. 5000 kgf).

  • Display Type: Digital panel vs. computer-integrated software.

  • Accuracy & Standards: Verify compliance with relevant testing standards (ASTM, ISO, etc.).

  • Accessories: Special grips or fixtures for different materials enhance flexibility.