Established in 1994, Cometech Testing Machines, Taiwan’s best quality control instrument manufacturer, which has invested in product development, design and manufacturing for a long time. The quality and function of our products continue to update and improve. We have a team of engineers with software and hardware R&D capabilities. In Taiwan, we are the pioneer of QC instrument industry. We are also the largest instrument manufacturer in Taiwan and have our own R&D center.
 
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Packaging Testing Machines ⇓

Cometech QC-101D2 Carton Compression Tester (20kN)

Key Features

  • Packaging Strength Evaluation: Simulates how boxes and large packing materials (cartons, foam, styrofoam) react under significant compressive forces, essential for warehouse and logistics management.

  • Integrated Control System: Equipped with a main controller that manages the test process, analyzes basic data, and displays real-time test curves and graphs.

  • Floating Compression Platen: The upper platen features a floating mechanism to ensure uniform contact with the specimen surface, even if the packaging is slightly uneven, providing highly accurate results.

  • 20kN Capacity: Capable of applying up to 2,000 kgf (20kN) of pressure, making it suitable for a wide range of medium to large-sized cartons.

  • Data Insight: Captures critical data such as peak load and deformation levels, enabling manufacturers to optimize packaging designs and material selection.

Technical Specifications

  • Maximum Capacity: 20 kN (approx. 2,000 kgf).

  • Test Specimens: Cartons, corrugated boxes, foam, styrofoam, and large packing materials.

  • Display: Digital main controller with real-time graph curve display.

  • Compliance: Built to align with international packaging standards (e.g., ISO 12048, ASTM D642).

  • Industries: Packaging, corrugated paper manufacturing, logistics, and quality control labs.

Cometech QC-116 Digital Bursting Strength Tester

Key Features

  • Fully Automated Operation: Includes Automatic Clamping and Breakpoint Detection, which stops the machine immediately when the specimen ruptures, ensuring high precision and easy repeatability.

  • Diaphragm Protection System: Equipped with an automatic pressure sensing mechanism to detect if a specimen is missing, significantly reducing the risk of diaphragm bursting due to operational error.

  • Smart Calibration: Features built-in hydraulic self-calibration, reducing the frequency of using standard aluminum foils and saving on consumable costs.

  • Automatic Compensation: The system automatically calculates and subtracts the diaphragm’s own resistance, providing the most accurate “actual” bursting strength of the material.

  • Digital Touch Display: A 7-inch touch screen displays real-time force graphs, supports multiple units (Bar, MPa, kPa, PSI, Kgf/cm²), and allows data export via USB.

Technical Specifications

  • Conforming Standards: ISO 2759, ASTM D3786, TAPPI T403, JIS P8112, JIS L1096.

  • Testing Capacity: Max. 75 kg/cm².

  • Pump Speed (Adjustable by Type):

    • High Pressure: 170 ± 15 ml/min.

    • Low Pressure: 95 ± 5 ml/min.

  • Platen Diameter: Compliant with international standards for High/Low pressure testing.

  • Dimensions: 53 x 33 x 58 cm | Weight: 60 kg.

Testing Video ⇓

Cometech QC-116D (Mullen Burst Tester)

Key Features

  • Fully Automated System: Equipped with an Automatic Clamping function to ensure consistent holding pressure. The machine features Breakpoint Detection, which automatically stops the test the moment the specimen ruptures, ensuring high precision and repeatability.

  • Diaphragm Protection Mechanism: Features an intelligent sensor that detects diaphragm pressure even when no specimen is present. This prevents the rubber diaphragm from bursting due to operational errors or accidental dry-firing.

  • Smart Calibration: Allows for diaphragm calibration based on hydraulic conditions. This reduces the dependency on expensive standard aluminum foils, significantly lowering the cost of consumables.

  • Automatic Pressure Compensation: The system automatically calculates and subtracts the resistance of the diaphragm itself. This ensures that the final result reflects the true bursting strength of the material with maximum accuracy.

  • Advanced Digital Display: Provides clear readouts in multiple units (Bar, MPa, kPa, PSI, kgf/cm²) and features a modern data-logging system for easy record-keeping.

Technical Specifications

Specification Details
Conforming Standards ISO 2759, ASTM D3786, TAPPI T403, JIS P8112, JIS L1096
Testing Capacity Max. 75 kg/cm² (Suitable for heavy-duty corrugated board)
Pump Speed Adjustable within 20 ~ 200 ml/min
Platen Diameter Compliant with international standards (High/Low Pressure types)
Dimensions 43 x 57 x 68 cm
Weight 85 kg

Cometech QC-113A Pneumatic Type Drop Tester

Key Features

  • Pneumatic Drive System: Controlled by a pneumatic cylinder with a single-wing structure, ensuring precise and reliable release of specimens.

  • Space-Efficient Design: Engineered to require minimal floor space, making it ideal for laboratories and production areas with limited room.

  • Wide Application: Suitable for testing various packaging products, including cartons, luggage, suitcases, and electronic equipment.

  • Transportation Simulation: Simulates the impact and damage that products might experience during shipping, serving as a critical safety evaluation tool for packaging design.

  • Hydraulic Buffer Device: Equipped with a hydraulic buffer to absorb energy after release, protecting the machine’s internal components and ensuring durability.

Technical Specifications

  • Conforming Standards: ASTM 5276, ISTA 1A/2A, GB/T 4857.5, CNS 2999.

  • Maximum Load Capacity: 60 kg.

  • Drop Height Range (By Model):

    • Model A: 30 – 130 cm.

    • Model B: 30 – 180 cm.

    • Model C: 30 – 200 cm.

  • Moving Speed: 2,000 mm/min.

  • Maximum Object Size: 80 x 80 cm (Unlimited height).

  • Air Pressure Required: 0.5 MPA.

  • Power Supply: Single Phase 220V, 8A.

Testing Video ⇓

เครื่องทดสอบแรงกดกล่อง Cometech QC-121M2F

Comparison Table: QC-121 Series

Model Controller Display Key Features
QC-121M2F M2F Controller 7″ Color Touch Screen High-end model, 31-bit precision, 3-point force sensing, real-time graphing, PC connectivity.
QC-121M1F M1F Controller Digital Display Performance model, high durability, simple button operation, ideal for routine production tests.
QC-121D2 D2 Controller Standard Digital Panel Economy model, focuses on Peak Load and basic compression force measurements.
QC-121 LCD PC-Based / LCD Large LCD Monitor Visual model, wide-screen display for clear real-time curves and comprehensive statistical data.

1. High-End Model: QC-121M2F

The most advanced model in the series, specifically designed for Research & Development (R&D) and high-level Quality Assurance.

  • High Precision: Utilizes a 3-point force measurement system to ensure maximum accuracy even if the specimen is not perfectly centered.

  • Smart Interface: Features a 7-inch color touch screen that displays real-time test curves and data simultaneously.

  • Versatile Hardware: The upper platen can be toggled between Fixed or U-Joint (Swiveled) modes to comply with various ISO/ASTM standards.

2. Performance Model: QC-121M1F

A reliable workhorse that balances testing efficiency with ease of operation.

  • Reliability: Features a fast and stable processor, making it perfect for continuous use in busy production lines.

  • Multi-Speed Settings: Allows users to set multiple travel speeds to reduce downtime during the “approach phase” before the actual test begins.

3. Economy Model: QC-121D2

An ideal solution for factories requiring a standardized testing machine at a budget-friendly price.

  • Essential Functions: Focuses on determining the Peak Force (maximum load) a carton can withstand before collapsing.

  • Compact & Simple: Simple electronic design ensures low maintenance and straightforward operation for general staff.

4. Visual Display Model: QC-121 LCD Monitor

Designed for environments where clear data visualization is a priority.

  • Detailed Analysis: Displays graphs and comprehensive statistics (Min, Max, Average) all on one large screen.

  • User Friendly: Excellent for facilities where supervisors or operators need to monitor the test status clearly from a distance.

Common Specifications (For QC-121 Series)

Despite the different controllers, most models in this series share the following robust technical foundations:

  • Capacity: Configurable from 2,000 kg (20kN) up to 5,000 kg (50kN).

  • Test Space: Standard dimensions are 100 x 100 x 120 cm (Custom sizes available upon request).

  • Drive System: Equipped with a Servo Motor for quiet operation and precise speed control.

  • Conforming Standards: Fully compliant with ASTM D642, ISO 12048, TAPPI T804, and JIS Z0212.

Cometech QC-337 Elmendorf Tearing Strength Tester

Key Features

  • Elmendorf Pendulum Principle: Measures the force required to continue a tear from an initial notch in a specimen. The potential energy of the falling pendulum is converted into tearing work, and the resulting force is indicated on the scale.

  • Material Versatility: Ideal for determining the tear resistance of paper, woven fabrics, plastic films, and PVC materials.

  • Changeable Capacity: The testing range can be easily adjusted (16N / 32N / 64N) by applying different counterweights, allowing the machine to handle a wide variety of material strengths.

  • Integrated Precision: Features a built-in specimen cutter to create a standardized initial notch, ensuring consistent and repeatable test conditions.

  • Intuitive Readout: Provides clear and accurate tearing force indications on a high-precision scale.

Technical Specifications

  • Conforming Standards: TAPPI T414, JIS P8116, ASTM D1424, ISO 1974, ISO 6383-2.

  • Specimen Size: 63.5 x 100 mm.

  • Available Capacities: 16N, 32N, and 64N (Adjustable with counterweights).

  • Dimensions: 42 x 23 x 50 cm | Weight: 21 kg.

Testing Video ⇓

Cometech QC-633 Manual Drop Dart Impact Tester

Key Features

  • Free-Falling Dart Principle: Evaluates the impact resistance and toughness of plastic films by dropping a hemispherical dart from a specified height.

  • Reliable Manual Control: Allows users to manually adjust the drop height and increment weights, making it a robust and straightforward tool for quality control labs.

  • Circular Specimen Clamping: Features a ring-clamp system that ensures even tension across the film surface, preventing slippage during the impact event.

  • Modular Weight System: Includes a set of weights that can be easily added to the dart to accommodate different film thicknesses and strengths.

  • Cost-Effective Solution: Provides high reliability with low maintenance requirements, as it relies on a purely mechanical setup without complex electronic systems.

Testing Standard

The machine is designed to determine the Impact Failure Weight ($F_{50}$)—the mass at which 50% of the specimens fail—using the standard staircase method.

Technical Specifications

  • Conforming Standards: ASTM D1709, ISO 7765-1, JIS K7124.

  • Test Methods: Method A and Method B compatible.

  • Drop Heights: * Method A: 660 mm.

    • Method B: 1,500 mm (Optional setup).

  • Dart Heads: Available in standard diameters as per ASTM/ISO requirements.

  • Dimensions: Approx. 55 x 45 x 110-220 cm.

  • Weight: Approx. 40-50 kg.

Testing Video ⇓

Cometech QC-633A Electronic Drop Dart Impact Tester

Key Features

  • Pneumatic & Electronic Control: Features pneumatic clamping for uniform specimen tension and an electromagnetic release mechanism. This ensures high repeatability and minimizes human error during testing.

  • Digital Control Interface: Equipped with a controller to manage the test sequence and monitor settings, enhancing operational efficiency.

  • Superior Clamping Precision: The pneumatic ring-clamp provides consistent pressure around the specimen, preventing slippage during impact—a critical factor for accurate data in ASTM/ISO testing.

  • Dual Method Support: Easily adjustable to accommodate both Method A (660 mm) and Method B (1,500 mm) drop heights with secure positioning.

  • High Durability & Safety: Built with a robust frame and a safe release trigger system to protect the operator while maintaining long-term industrial reliability.

Technical Specifications

  • Conforming Standards: ASTM D1709, ISO 7765-1, JIS K7124.

  • Test Methods: Method A & Method B.

  • Release Mechanism: Electromagnet.

  • Clamping Mechanism: Pneumatic Cylinder.

  • Required Air Pressure: 5~7 $kg/cm^2$.

  • Power Supply: Single Phase, 110V/220V.

  • Dimensions: 60 x 60 x 140~230 cm.

  • Weight: Approx. 60~70 kg.

Cometech QC-643B Stiffness Tester

Key Features

  • Precision for Thin Materials: Specifically designed to test the stiffness of semi-rigid, hair-like, or thin sheet materials by measuring the recoil force during bending.

  • Comprehensive Definition: Defines material stiffness by accurately measuring the force required to bend the specimen at specific angles.

  • Flexible Configuration: * Supports multiple test length settings: 1, 5, 10, 15, 20, 25, and 50 mm.

    • Adjustable bending angle ranging from 1° to 90°.

  • Controlled Speed: Bending speed can be precisely adjusted between 1° and 15° per second to suit different material characteristics.

  • Software Integration: Compatible with professional software for detailed data analysis and result management.

Technical Specifications

  • Conforming Standards: ISO 2493, BS 6965, BS 3748.

  • Testing Capacity: Max. 500g.

  • Bending Angle: 1-90° (Adjustable).

  • Test Lengths: 1, 5, 10, 15, 20, 25, 50 mm.

  • Test Speed: 1° ~ 15° / sec (Adjustable).

  • Dimensions: 350 x 400 x 330 mm | Weight: 20 kg.

Head Office :
107/69 Moo 6, Khu Khot, Lam Luk Ka District, Pathum Thani 12130

E-mail : [email protected]
Mobile: Office 02-1026862 Sales 086-7888414  
Line : @unisyntech
Facebook : Unisyntech Packaging Solution.