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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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CTM WITH PACE CONTROL

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Key Features

  • Pace Control System – Maintains constant loading rate

  • Microprocessor / PLC Based Control

  • Closed-Loop Servo Control

  • Digital Load & Extension Measurement

  • High Accuracy Load Cell (±1% or better)

  • Automatic Load Holding & Unloading

  • Overload Protection

  • Emergency Stop Switch

  • Data Acquisition Software (PC Based)

  • Real-Time Load vs Elongation Graph

  • USB / Ethernet Interface

Technical Specifications (Typical)

  • Capacity: 100 kN, 200 kN, 300 kN (customizable)

  • Pace Rate: Programmable (kN/sec or mm/min)

  • Load Resolution: 1/10000 of capacity

  • Crosshead Speed: Variable with pace control

  • Power Supply: 230V AC, 50 Hz

  • Frame Type: Rigid 2-Column / 4-Column Structure

Pace Control Description

  • Automatically controls rate of loading during tensile test

  • Conforms to IS, ASTM, ISO, BS standards

  • Ensures uniform stress application on specimen

  • Ideal for concrete, steel, rebar, wire, fasteners testing

Applications

  • Tensile testing of metal rods, bars, wires

  • Testing of rebars as per IS 1786

  • Quality control laboratories

  • R&D and material testing labs

  • Educational institutions

  • Construction & infrastructure projects

Standards Compliance

  • IS 1828

  • ASTM E8 / E9

  • ISO 6892

  • BS Standards

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COMPUTERIZED TENSILE TESTING MACHINE

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A Computerized Tensile Testing Machine (CTTM) is used to measure the mechanical properties of materials by applying a controlled tensile (pulling) load and recording the response digitally.

What it does

It determines properties such as:

  • Tensile strength

  • Yield strength

  • Elongation (%)

  • Reduction in area

  • Young’s modulus (with extensometer)

All results are captured, displayed, and stored via computer-based data acquisition software.

Main components

  1. Loading Frame

    • Rigid two- or four-column structure

    • Driven by servo motor / AC motor / hydraulic system

  2. Grips & Fixtures

    • Wedge grips (manual or hydraulic)

    • Suitable for flat, round, wire, or threaded specimens

  3. Load Cell

    • High-accuracy force measurement (typically Class 1 or better)

  4. Crosshead & Drive System

    • Precise speed control for strain-rate–dependent tests

  5. Extensometer (optional but recommended)

    • For accurate strain and modulus measurement

  6. Computer & Testing Software

    • Real-time load–elongation / stress–strain curves

    • Automatic calculation of results

    • Report generation and data export

Typical capacities

  • 1 kN – 100 kN → plastics, rubber, wires, thin metals

  • 100 kN – 600 kN → structural steel, rebars, plates

  • Higher capacities available in hydraulic models

Materials tested

  • Metals (steel, aluminum, copper, rebars)

  • Plastics & polymers

  • Rubber & elastomers

  • Wires, cables, fasteners

  • Composites and sheets

Standards supported

  • ASTM: A370, E8, D638, D412

  • ISO: 6892, 527

  • IS: 1608, 1828

  • BS / DIN standards (as required)

Key advantages

  • High accuracy and repeatability

  • Fully automated testing & reporting

  • Easy calibration and compliance

  • Suitable for R&D, QA/QC, and production labs

Optional features

  • Video extensometer

  • Temperature chamber (hot/cold testing)

  • Automatic hydraulic grips

  • Networked data storage

  • Customized test methods

If you want, I can help you with:

  • Technical specifications for a particular capacity

  • Comparison: electromechanical vs hydraulic

  • Tender / purchase specification

  • Brochure-style product description

  • Price range in India

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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.