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UNIVERSAL-TESTING-MACHINE
UNIVERSAL-TESTING-MACHINE
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UNIVERSAL-TESTING-MACHINE

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Technical Specifications

Load Capacity Range

  • From: 1 kN to 2000 kN (or higher depending on model)

  • Common ranges: 10 kN, 50 kN, 100 kN, 200 kN, 600 kN, 1000 kN

Machine Types

  • Electromechanical UTM

  • Servo Hydraulic UTM

  • Computerized / Digital UTM

Control Modes

  • Load control

  • Displacement control

  • Strain control

  • Pace rate control

Accuracy

  • Load accuracy: ±0.5% to ±1% of indicated load

  • Class 0.5 / Class 1 as per ISO standards

Load Measurement

  • High precision load cell

  • Multiple load cell options

Crosshead Travel

  • Typically 600–1200 mm (model dependent)

Speed Range

  • Very low to high test speeds

  • Example: 0.001 to 500 mm/min

Data Acquisition

  • Real-time force vs displacement curve

  • Stress–strain graph generation

  • PC based software with test reports

Safety Features

  • Overload protection

  • Emergency stop

  • Limit switches

  • Safety guards

Standards Compliance

  • ASTM

  • ISO

  • IS

  • EN

  • DIN

Common Tests Performed

  • Tensile test

  • Compression test

  • Flexural test

  • Shear test

  • Peel test

  • Tear test

  • Bend test

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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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IZOD IMPACT TESTING MACHINE

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📌 What an Izod Impact Testing Machine Is

An Izod impact testing machine is a pendulum-based impact resistance tester used to determine how much energy a material absorbs when impacted suddenly — a measure of the material’s toughness. In the test:

  • A notched specimen (usually plastic or metal) is held vertically in a clamp.

  • A pendulum hammer is raised to a fixed height and then released.

  • It swings down and strikes the specimen, breaking it.

  • The energy absorbed in breaking the specimen is measured from how far the pendulum swings after impact.

Standards: Many machines conform to internationally recognized standards such as ASTM D256 (Izod methods) and ISO 180 (plastic impact testing).

🧪 Why It’s Used

  • Material toughness assessment: Determines how materials behave under sudden shock loading.

  • Quality control: Ensures consistency and safety for products experiencing impacts in real use.

  • R&D: Helps in material selection and design validation in industries like plastics, automotive, aerospace, and consumer products.

🧠 Key Features to Look For

  • Energy range: Typically from a few joules up to several dozen joules depending on material and application.

  • Display: Analog dial or digital interface with read-out.

  • Automatic data handling: USB/PC connectivity on digital models.

  • Dual test capability: Some models support both Izod and Charpy tests.

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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.