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.
 
Read More

Sample Preparation equipment

Cometech QC-640D Automated Specimen V-Notcher

Key Features

  • Standardized Notching: Specifically engineered to create precise V-shaped notches in rigid plastic specimens for Izod and Charpy impact testing, ensuring consistent stress concentration points.

  • Automated Motorized System: Features a motorized feed that ensures a uniform cutting speed. This eliminates human variability and surface inconsistencies typical of manual notching methods.

  • High-Precision Depth Adjustment: Equipped with an integrated micrometer for fine-tuning the notch depth, allowing operators to achieve the exact remaining specimen thickness required by ASTM or ISO standards.

  • Thermal Integrity Preservation: Designed to minimize heat build-up during the cutting process, preventing thermal degradation of the polymer structure near the notch that could skew impact results.

  • Safety & Stability: Built with a transparent safety guard to protect the operator and a heavy-duty frame to minimize vibrations, ensuring a smooth and accurate cut every time.

Technical Specifications

  • Conforming Standards: ASTM D256, ISO 179, ISO 180, JIS K7111.

  • Cutting Speed: Adjustable to accommodate various material hardness.

  • Cutter Material: High-grade Tungsten Carbide for superior durability and sharpness.

  • Capacity: Capable of notching multiple specimens simultaneously.

  • Dimensions: Approx. 45 x 35 x 40 cm | Weight: Approx. 35 – 45 kg.

  • Power Supply: Single Phase 220V, 50/60Hz.

Cometech QC-PS Circular Sample Cutter

Key Features

  • Precision Area Cutting: Specifically engineered to cut circular specimens with a precise area of $100 text{ cm}^2$, the global standard for measuring Grams per Square Meter (GSM).

  • 4-Blade Cutting System: Utilizes a synchronized 4-blade mechanism that delivers clean, smooth edges without snagging or distorting the material, ensuring superior accuracy compared to manual cutting methods.

  • Material Versatility: Capable of cutting a wide range of materials, including woven and knitted textiles, paper, plastic films, thin rubber sheets, and metallic foils.

  • Integrated Safety Lock: Features a robust safety lock mechanism to prevent accidental blade exposure when the device is not in use, protecting the operator’s hands.

  • High-Quality Cutting Mat: Includes a specialized resilient cutting mat that extends blade life and ensures a clean break through the material every time.

Technical Specifications

  • Cutting Area: $100 text{ cm}^2$ (Diameter approx. 113 mm).

  • Maximum Cutting Thickness: Approx. 5 mm (Depending on material type and density).

  • Blade Count: 4 Blades (Easily replaceable for long-term maintenance).

  • Construction: Lightweight and durable Aluminum Alloy frame.

  • Dimensions: Approx. 15 cm diameter | Weight: Approx. 1.5 – 2 kg.

  • Standard Accessories: Cutter unit, cutting mat, and a set of spare blades.

Cometech QC-105 Spherical Stress Sample Notcher

Key Features

  • ESCR Specimen Preparation: Specifically designed to create precise notches in plastic specimens for Environmental Stress Cracking Resistance (ESCR) testing, compliant with ASTM D1693.

  • Notch Precision: Ensures consistent and uniform notch depth and positioning on plastic samples, which is a critical factor in accelerating and accurately measuring stress-induced cracking.

  • Robust Construction: Manufactured from high-strength materials for long-term laboratory durability, providing a stable platform for precise blade penetration.

  • Ergonomic Operation: Features a smooth manual notching mechanism, allowing operators to process multiple specimens quickly without causing unwanted distortion to the plastic.

  • High-Quality Blades: Utilizes standardized, sharp blades to ensure clean notches without burrs, maintaining the integrity of the stress concentration point.

Technical Specifications

  • Conforming Standards: ASTM D1693.

  • Application: Used for notching polymer specimens (e.g., PE) prior to environmental stress testing.

  • Operation Mode: Manual.

  • Material: Corrosion-resistant coated metal and stainless steel components.

  • Dimensions: Approx. 25 x 15 x 25 cm | Weight: Approx. 5 – 8 kg.

Cometech QC-603 Manual Specimen Punch

Key Features

  • Rapid Specimen Preparation: Specifically designed to punch out standardized test specimens from soft materials such as rubber, soft plastics, leather, paper, and foils with minimal effort.

  • Interchangeable Cutting Dies: Accommodates a wide variety of cutting dies, including dumbbell, circular, or rectangular shapes, compliant with international standards like ASTM, ISO, JIS, and DIN.

  • High-Leverage Mechanism: Features a powerful lever-driven system designed to deliver high downward force with manual ease, ensuring clean-cut edges without specimen distortion.

  • Heavy-Duty Cast Iron Frame: Constructed from high-grade cast iron for maximum stability and long-term durability in demanding laboratory environments.

  • Precision & Safety: Equipped with a resilient cutting pad that protects the blade’s sharpness and ensures a complete, clean break through the material in a single stroke.

Technical Specifications

  • Operation Mode: Manual Lever.

  • Stroke Length: Approx. 20 – 30 mm.

  • Base Area: Approx. 20 x 20 cm.

  • Applicable Materials: Rubber, Plastic, Soft PVC, Paper, Leather.

  • Dimensions: Approx. 35 x 30 x 50 cm | Weight: Approx. 50 – 65 kg.

  • Accessories: Compatible with Dumbbell dies (ASTM D412, D638) and high-density cutting pads.

Cometech QC-603A Pneumatic Specimen Punch

Key Features

  • Pneumatic Driving System: Utilizes air pressure to drive the punching mechanism, significantly reducing physical labor and increasing efficiency for high-volume specimen preparation.

  • Consistent Punching Force: Delivers uniform and adjustable downward pressure, ensuring clean-cut edges and precise dimensional accuracy across all test specimens, eliminating human variability.

  • Versatile Die Compatibility: Compatible with a wide range of cutting dies, including dumbbell, circular, or custom shapes according to ASTM, ISO, and JIS standards.

  • Enhanced Safety Design: Features a mandatory two-hand safety control system, ensuring the operator’s hands remain outside the danger zone during the punching cycle.

  • Robust Industrial Build: Constructed from high-grade materials for long-term industrial reliability with minimal maintenance required due to its simplified mechanical design.

Technical Specifications

  • Operation Mode: Pneumatic.

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

  • Maximum Pressing Force: Approx. 500 ~ 1,500 kg (Depending on cylinder size).

  • Stroke Length: 50 ~ 100 mm (Adjustable).

  • Working Area: Approx. 20 x 20 cm.

  • Dimensions: 35 x 40 x 70 cm | Weight: Approx. 70 – 90 kg.

Cometech QC-601B Manual Thermos Press Forming Machine

Key Features

  • Standardized Specimen Preparation: Specifically designed to mold rubber or plastic materials into uniform plaques, which are subsequently used to punch out test specimens (e.g., dumbbells).

  • Independent Thermal Control: Equipped with separate digital PID temperature controllers for both the upper and lower platens, ensuring precise and uniform heat distribution tailored to various material types.

  • Manual Hydraulic System: Features a high-quality manual hydraulic jack that allows the operator to increase the pressing force gradually and accurately, providing up to 30 tons of pressure.

  • Heavy-Duty Construction: Built with a reinforced steel frame capable of withstanding high pressure and continuous high temperatures for extended periods without structural distortion.

  • Integrated Water Cooling: Features internal cooling channels within the platens to facilitate rapid specimen solidification, allowing for shorter cycle times and easier sample removal.

Technical Specifications

  • Maximum Capacity: 10 ~ 30 Tons.

  • Temperature Range: Ambient ~ 300°C (Digital PID Control).

  • Platen Size: 30 x 30 cm (Standard).

  • Daylight (Platen Opening): 0 ~ 100 mm (Adjustable).

  • Platen Material: Precision-ground high-grade steel.

  • Dimensions: Approx. 60 x 50 x 100 cm | Weight: Approx. 180 – 220 kg.

Cometech QC-603C Air-Hydraulic Specimen Punch

Key Features

  • Hybrid Driving System: Combines the speed of pneumatic action with the high-force output of hydraulics. This air-over-oil mechanism provides significantly higher pressing power than standard pneumatic punches.

  • Superior Cutting Performance: Specifically designed for tougher or thicker materials, such as heavy-duty rubber, engineering plastics, or multi-layered leather, where standard air punches might struggle.

  • Precision & Consistency: Delivers a powerful, uniform downward stroke every time, ensuring test specimens have precise dimensions and clean, professional edges without material distortion.

  • Two-Hand Safety Operation: Features a synchronized dual-button start sequence, ensuring the operator’s hands remain safely away from the punching area during the cycle.

  • Streamlined Integration: Does not require a bulky external hydraulic power unit; it operates effectively by simply connecting to a standard industrial air supply to activate its internal hydraulic intensification.

Technical Specifications

  • Operation Mode: Air-Hydraulic.

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

  • Maximum Pressing Force: Approx. 3,000 ~ 5,000 kg (3 – 5 Tons).

  • Stroke Length: 50 ~ 100 mm.

  • Working Area: Approx. 20 x 20 cm.

  • Dimensions: 40 x 45 x 90 cm | Weight: Approx. 120 – 150 kg.

Cometech QC-603I Hardness Specimen Cutting Device

Key Features

  • Surface Preparation: Specifically designed to trim irregular rubber or plastic samples, ensuring that the top and bottom surfaces are perfectly parallel—a critical requirement for accurate Hardness testing (Shore A/D).

  • Thickness Precision: Enables operators to control and achieve the standardized thickness (e.g., 6 mm or more) by sliding the specimen through a high-precision cutting blade.

  • Adjustable Blade System: Features a finely adjustable blade height mechanism, allowing users to select the desired specimen thickness for different testing protocols.

  • Minimizes Material Distortion: Unlike manual cutting or shears, this device provides a smooth, clean finish without compressing or altering the material’s internal structure, ensuring the integrity of the hardness reading.

  • Safety-First Design: Includes a secure guiding mechanism that allows the sample to pass through the blade steadily, significantly reducing the risk of direct contact between the operator and the blade.

Technical Specifications

  • Applicable Materials: Rubber, soft plastics, foam, and other elastomers.

  • Maximum Specimen Width: Approx. 40 – 60 mm (depending on specific model).

  • Thickness Adjustment: Fine-tuned via a high-resolution adjustment knob.

  • Blade Material: High-Speed Steel (HSS) or specialized ultra-sharp alloy.

  • Dimensions: Approx. 25 x 15 x 20 cm | Weight: Approx. 5 – 10 kg.

Testing Video

Cometech QC-674A Automatic Programmable Thermo Molding Machine

Key Features

  • Advanced Programmable Logic: Allows users to pre-set complex molding sequences, including multi-stage pressure increases, holding times, and automated degassing cycles to eliminate air bubbles within the specimen.

  • Fully Automated Operation: Unlike manual presses, the system autonomously manages pressure and temperature according to the selected profile, significantly reducing human error and ensuring superior specimen repeatability.

  • Intuitive Color Touchscreen: Features a user-friendly interface that displays real-time temperature and pressure curves, providing operators with clear visual feedback throughout the molding process.

  • High-Performance Hydraulics: Delivers stable and powerful compression (up to 30-50 tons), ideal for molding high-precision engineering plastics and elastomers that require strict environmental control.

  • Accelerated Cooling System: Equipped with a solenoid-controlled water cooling system within the platens, facilitating rapid temperature reduction after the heating cycle to improve throughput and specimen setting.

Technical Specifications

  • Maximum Capacity: 30 ~ 50 Tons.

  • Temperature Range: Ambient ~ 300°C (350°C optional).

  • Platen Size: 30 x 30 cm (Standard).

  • Control System: PLC with Integrated Color Touch Panel.

  • Special Functions: Automatic Degassing, Multi-recipe storage, and data logging.

  • Dimensions: Approx. 85 x 65 x 150 cm | Weight: Approx. 600 – 800 kg.

Testing Video

Cometech QC-677T Manual Desktop Thermo Molding Machine

Key Features

  • Space-Saving Desktop Design: Specifically engineered with a compact footprint, making it ideal for laboratories with limited space while maintaining professional-grade rubber and plastic molding capabilities.

  • Precise Thermal Management: Both upper and lower heating platens feature independent digital temperature controllers and high-efficiency insulation to ensure a stable and uniform thermal environment.

  • Manual Hydraulic System: Equipped with an integrated manual hydraulic jack providing up to 10 tons of pressure, allowing the operator to finely tune the compression force during plaque preparation.

  • High-Precision Platens: Heating platens are made from precision-ground, chrome-plated steel to ensure perfect parallelism, resulting in consistent specimen thickness across the entire sample.

  • Durability & Maintenance: Features a rigid structural frame capable of withstanding continuous high-temperature operation, designed for easy cleaning of residues and debris.

Technical Specifications

  • Maximum Capacity: 10 Tons.

  • Temperature Range: Ambient ~ 300°C (Digital PID Control).

  • Platen Size: 20 x 20 cm (Standard) or 25 x 25 cm.

  • Daylight (Platen Opening): 0 ~ 60 mm (Adjustable).

  • Cooling Method: Integrated water cooling channels within the platens.

  • Dimensions: Approx. 45 x 40 x 75 cm | Weight: Approx. 85 – 110 kg.

Testing Video

Cometech QC-677A Manual Desktop Thermo Molding Machine

Key Features

  • Expanded Platen Surface: The 677A model features a larger platen area (typically 30 x 30 cm) compared to standard desktop models, allowing for larger specimens or multiple molds to be processed simultaneously.

  • Independent Thermal Control: Equipped with separate digital PID controllers for both upper and lower platens, ensuring uniform heat distribution across the entire surface area.

  • High-Power Hydraulic Jack: Although manually operated, the system is designed to generate up to 30 tons of pressure, making it capable of molding high-hardness elastomers and engineering plastics.

  • Compact Industrial Design: A heavy-duty desktop configuration that maximizes lab space efficiency without compromising the structural rigidity required for industrial-grade molding.

  • Integrated Cooling System: Includes built-in water cooling channels within the platens to facilitate rapid material solidification, significantly reducing cycle times between tests.

Technical Specifications

  • Maximum Capacity: 30 Tons.

  • Temperature Range: Ambient ~ 300°C (Digital PID Control).

  • Platen Size: 30 x 30 cm (Standard for A-model).

  • Daylight (Platen Opening): 0 ~ 100 mm (Adjustable).

  • Platen Material: High-grade precision-ground chrome-plated steel.

  • Dimensions: Approx. 60 x 50 x 100 cm | Weight: Approx. 150 – 180 kg.

Testing Video

Cometech QC-915 Notch Broaching Machine

Key Features

  • Precision Broaching Method: Utilizes a multi-toothed broach blade that pulls through the specimen in a single pass. This method provides superior accuracy and surface finish compared to traditional grinding or rotary cutting.

  • Standardized Precision: Engineered to create precise V-notches or U-notches for Charpy or Izod impact test specimens, strictly adhering to ASTM and ISO requirements.

  • Smooth Linear Motion: The drive system is designed for constant speed and minimal vibration, ensuring that the notch profile is free from chatter marks or excessive residual stress.

  • Effortless Specimen Alignment: Features a dedicated jig and clamping system that ensures rapid and accurate centering of the notch on every specimen.

  • High-Durability Tooling: The broach blades are crafted from premium Special Alloy Steel, maintaining exceptional sharpness even when processing high-hardness materials.

Technical Specifications

  • Conforming Standards: ASTM E23, ISO 148, ISO 179, ISO 180.

  • Notch Profiles: V-notch (Standard) or U-notch (Optional).

  • Broaching Speed: Optimized for material integrity.

  • Blade Material: High-Speed Steel (HSS) or specialized Alloy Steel.

  • Driving System: Motorized gear-driven or hydraulic mechanism (model dependent).

  • Dimensions: Approx. 40 x 35 x 75 cm | Weight: Approx. 60 – 80 kg.

Cometech QC-640A Impact Specimen V-Notcher

Key Features

  • Impact Specimen Preparation: Specifically designed to create precise V-notches in plastic specimens for Izod and Charpy impact testing, ensuring standardized stress concentration points.

  • Micrometer Depth Control: Equipped with a high-precision micrometer, allowing operators to fine-tune the notch depth accurately to achieve the exact remaining specimen thickness required by global standards.

  • High-Quality Carbide Cutter: Features a durable carbide cutting blade that delivers clean, smooth notches without thermal deformation or surface burrs, preserving the material’s physical integrity for testing.

  • Smooth Manual Operation: Driven by an ergonomically designed hand lever, providing the operator with steady control over the feeding rate and ensuring a consistent cutting motion.

  • Versatile Capacity: Capable of notching multiple specimens simultaneously (depending on sample thickness) and supports interchangeable blades with different radii to meet various ASTM or ISO specifications.

Technical Specifications

  • Conforming Standards: ASTM D256, ISO 179, ISO 180, JIS K7111.

  • Operation Mode: Manual.

  • Cutter Material: High-grade Carbide (45° standard angle).

  • Depth Adjustment: Precision Micrometer (0.01 mm resolution).

  • Dimensions: Approx. 35 x 25 x 35 cm | Weight: Approx. 15 – 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.