Product Introduction
The Vacuum Chuck Wire bar coater uses a flatbed wire bar coating principle. A high-performance motor drives the wire bar across the substrate surface at a constant speed, spreading the coating into a uniform wet film. Vacuum adsorption secures the substrate, with an external water-circulation vacuum pump providing stable suction, suitable for copper foil, aluminum foil, plastic sheets, glass, and other rigid or hard-to-flatten materials. The imported ASP wire bar ensures precise and controllable coating thickness. The mold steel base plate is quenched and mirror-polished to a flatness of ≤±2.5 μm, providing a high-precision reference for uniform coatings. The 5-inch touchscreen allows intuitive setting of speed and stroke, combined with weight or lever pressure systems to achieve standardized and quantifiable coating processes, greatly improving experimental repeatability and data reliability.
Key Features
Precision Linear Drive System High-performance motor with 1-2000 mm/min (standard) or 1-200 mm/s (high-speed) setting, speed stability error <1%, perfectly simulating different production processes.
Vacuum Chuck Clamping Vacuum hole diameter 0.8 mm/1 mm optional, external water-circulation pump, suitable for copper foil, aluminum foil, plastic sheets, glass, and other rigid or hard-to-flatten substrates.
Premium Imported Wire Bars Standard imported ASP wire bar with a thickness range of 1.5-800 μm and coating accuracy error <1 μm; Japanese OSP or American RDS brands optional.
Ultra-Flat Reference Surface Mold steel base plate quenched and mirror-polished to ≤±2.5 μm flatness, corrosion-resistant and deformation-resistant, providing the ultimate reference for uniform coatings.
Quantifiable Pressure Control Dead-weight or lever pressure systems enable digital setting and precise feedback, eliminating batch variations.
Intelligent Touchscreen Control 5-inch touchscreen with Annimet Testing Control System V1.0 for setting coating speed, stroke, and other parameters with intuitive operation.
Wide Speed Options Standard version 1-2000 mm/min and high-speed version 1-200 mm/s available to meet different process simulation needs.
Broad Material Compatibility Suitable for aluminum foil, copper foil, PET film, separators, and other flexible substrates, as well as battery slurries, coatings, adhesives, and nanomaterials.
Main Technical Specifications
Parameter | Specification |
Machine Type | Flatbed |
Coating Method | Wire bar |
Coating Speed | 1-2000 mm/min (standard) / 1-200 mm/s (high-speed) |
Effective Coating Size | 200 × 300 mm |
Control System | Annimet Testing Control System V1.0 |
Specimen Clamping | Vacuum adsorption |
Pressure Method | Dead-weight / Lever-arm |
Control Interface | 5-inch touchscreen |
Curing Method | Natural |
Base Plate Material | Mold steel (standard) |
Mold Steel Plate Treatment | Quenched + mirror-polished |
Mold Steel Plate Flatness | ≤ ±2.5 μm |
Wire Bar Brand | ASP (imported) |
Wire Bar Thickness Range | 1.5 – 800 μm |
Housing Material | 304 Stainless Steel |
Drive System | Dual rail + Ball screw + Synchronous belt |
Overall Dimensions (L×W×H) | 450 × 350 × 400 mm |
Power Supply | 220V / 50Hz |
Wire Bar Parameters
Parameter | Specification |
Effective Coating Length | Total 250mm/effective 200mm; Total 400mm/effective 310mm (customizable) |
Material | Stainless steel |
Precision | ≤0.5 μm (200mm), ≤1 μm (300mm) |
Structure | Japanese OSP one-piece, American RDS wound |
Brands | Domestic / Japanese OSP / American RDS |
Coating Accuracy Error | <1 μm |
Coating Thickness Range | 1.5 – 800 μm (smooth bars below 1 μm) |
Vacuum Chuck Parameters
Parameter | Specification |
Application | For clamping substrates that cannot self-flatten and rigid materials (copper foil, aluminum foil, plastic sheet, glass, etc.) |
Material | Mold steel, quenched + mirror-polished |
Vacuum Hole Diameter | 0.8 mm, 1 mm (other sizes optional) |
Plate Flatness | ±2.5 μm (within effective width 300mm, length 400mm) |
Vacuum Pump | External water-circulation pump |
Power Supply | 150-220V, 50Hz, 380W |
FAQ
1. What is the difference between the Vacuum Chuck wire bar coater and a standard wire bar coater?
The main difference is the specimen clamping method. This machine uses vacuum adsorption to hold substrates, making it particularly suitable for copper foil, aluminum foil, plastic sheets, glass, and other rigid or flexible materials that cannot lie flat by themselves, ensuring the substrate stays flat and wrinkle-free during coating.
2. What types of slurries are suitable for wire bar coating?
Wire bar coating is suitable for low to medium viscosity fluids such as paints, inks, adhesives, and battery slurries. Different wire bar specifications control the wet film thickness, covering a range of 1.5-800 μm, with smooth bars achieving films below 1 μm.
3. How to choose the wire bar brand and specification?
Standard configuration is the imported ASP wire bar. Japanese OSP features a one-piece structure, while American RDS uses a wound wire structure. Users can choose based on slurry viscosity, target thickness, and precision requirements. Domestic bars offer good value, while imported bars provide higher precision.
4. Does the vacuum pump need to run continuously during coating?
The vacuum pump should remain running during coating to maintain suction. After coating, the pump can be turned off to release the substrate. The external water-circulation vacuum pump operates stably with low noise, suitable for long-term laboratory use.

5. What specimen sizes can be coated?
Standard effective coating size is 200×300 mm. Other sizes can be customized. Wire bar effective coating lengths are available in total 250 mm (effective 200 mm) or total 400 mm (effective 310 mm).
6. Does the equipment require regular maintenance?
Periodic cleaning of the vacuum chuck surface and keeping the vacuum holes clear is recommended. Check the wire bar for wear or damage and replace if necessary. The drive system is factory-lubricated and generally requires no frequent maintenance.
After-Sales Service
Established in 2007 and with nearly two decades of experience, Shandong Annimet Instrument Co., Ltd. is a professional manufacturer integrating R&D, production, and sales of laboratory testing and sample preparation equipment. Quality is our foundation. We are your bridge from concept to reality. We deliver more than just instruments — we deliver confidence. This Vacuum Chuck Wire Bar Coater comes with a 12-month warranty and lifetime technical support. Our professional team offers 24/7 service response, free installation guidance, operation training, and coating process consultation. For any inquiries, please contact our customer service team; we are dedicated to providing comprehensive pre-sales, in-sales, and after-sales support. Hotline: 400-9933-057, Email: anmt_test@126.com.
Wire bar coating, also known as Mayer rod coating, is a precision wet-film deposition technique in which a tightly wound wire rod meters and spreads a fluid uniformly across a substrate. The wire grooves determine the wet film thickness, and when the bar is drawn at a constant speed, it leaves behind a smooth, even layer. Due to its simplicity, easy cleaning, and controllable thickness, it has become a primary film-formation method for new material development and process research in laboratories. The introduction of vacuum adsorption technology further extends the application range of wire bar coating, enabling it to handle copper foil, aluminum foil, glass, and other rigid or flexible substrates that cannot lie flat by themselves. In fields such as lithium-ion batteries, perovskite solar cells, functional coatings, adhesives, and printed electronics, the vacuum chuck wire bar coater plays a critical role in formulation screening and process parameter optimization, serving as an important tool bridging laboratory innovation and industrial production.
Shandong Annimet Instruments Co., Ltd., established in 2007, is a professional manufacturer integrating R&D, production, and sales of laboratory testing instruments and sample preparation equipment. With nearly two decades of industry experience, we are committed to delivering reliable quality testing solutions to clients worldwide.
Contact: +86 400-9933-057
Company Address: Factory Building 105, No. 155, Xinmao Qilu Science and Technology City, No. 299 Zidong Avenue, Tianqiao District, Jinan City, Shandong Province
E-mail: anmt_test@126.com
Fax: +86 0531-88092218
Copyright © 2026 Shandong Annimet Instruments Co., Ltd. All rights reserved
Plan du siteCe site Web utilise des cookies pour vous garantir la meilleure expérience sur notre site Web.