Gap-Controlled Slot-Die Coater

The gap slot Coater forms a uniform coating on the substrate by precisely extruding the coating material through a narrow slit. Its working principle involves the coating flowing out from the slit, with its thickness controlled by a blade, making it suitable for continuous coating applications on materials such as paper and films. Its function is to apply thin layers with high precision, commonly used for laboratory sample preparation or small-scale production.
Selection
When selecting a gap slot coating machines, consider matching the coating width and thickness range to the substrate dimensions, ensuring slit precision for uniform coating, verifying material compatibility to prevent corrosion, prioritizing ease of operation for daily use, and minimizing maintenance needs to reduce downtime.

Terms

Standards

Instruments

Using Slot-die Spreader technology, the thickness range of Spreader is 0.005-3mm, the bonding speed is 1~ 10m/min, and the drying temperature can reach 200 ° C. It is suitable for a variety of non-elastic materials to achieve accurate Spreader and efficient compounding.

$ 32347.00

Slot-die Spreader technology implementation of 0.005-3mm thickness precision control, composite roller heating temperature up to 200 ℃ to ensure firm gluing, equipped with 1 Meter drying tunnel and stepping motor to achieve 1-10m/min stable operation.

$ 35574.00

Slot-die Spreader technology implementation of 0.005-3mm thickness range of precision Spreader, composite roller heating temperature up to 200 ℃ to ensure firm gluing, servo motor control to achieve 0.001-10m/min stepless speed regulation, equipped with 1 Meter drying tunnel to achieve efficient drying curing.

$ 27183.00

Slot-die Spreader and gravure coating dual function design, Spreader thickness range of 0.005-3mm, drying temperature up to 200 ℃, bonding accuracy of 0.5mm, suitable for a variety of non-elastic materials stable composite and Spreader processing.

$ 40415.00

Using slot-die coating method, application width ≤ 500mm, thickness range 10-250μm; equipped with automatic deviation correction and constant tension system, Oven temperature RT +~ 160 ℃, support segmented thermostatic, ensure Spreader accuracy +/- 3 microns.

$ 61393.00

Spreader thickness accuracy of +/- 0.003mm, adjustable rate of 5~ 200mm/s, support Vacuum chuck and heating to 180 ℃, suitable for a variety of substrates and laboratory environments.

$ 8142.00

Spreader accuracy of +/- 0.003mm, support 5~ 180mm/s stepless speed, Heating Temperature range RT +~ 200 ℃, suitable for a variety of substrate Spreader experiments.

$ 8949.00

Spreader Film thickness accuracy of +/- 0.003mm, Spreader rate of 5~ 180mm/s adjustable, supports a variety of Spreader processes and substrates, can work in the glove box, to meet the laboratory R & D request.

$ 8949.00

Response speed is improved with ARM processor, Measurement range 10-1000mN, accuracy +/- 1%, equipped with four-speed adjustable slot-die 5-20mm, support sudden power failure data saving and real-time pressure Linear dispersion display function.

$ 2533.00

Spreader thickness range of 10-250μm, Dry-Film accuracy of +/- 3 microns, equipped with automatic constant tension control and four Oven section thermostatic, ensure uniform and stable Spreader, Oven with waste heat recovery system energy saving about 30%.

$ 48484.00

Measurement range 10~ 1000mN, Test speed 1.2mm/s, 3.5-inch color LCD display test Linear dispersion, built-in thermal printer can directly output test reports, suitable for a variety of slot-die width tests.

$ 2752.00

The Spin Coater is controlled by touch screen, the acceleration range is 100~ 4000rpm/s, and the speed can be automatically corrected by A/K selection. The motor torque is large and the operation is smooth, which is suitable for the assembly line process.

$ 2494.00

Made of stainless steel, the film thickness can be adjusted freely within the range of 0~ 3500 μm, the accuracy is +/- 2 μm, and the drawdown blade gap is precisely controlled by the differentiator to achieve accurate Spreader.

$ 557.00

The gap wide-wound design is adopted, and the wet film thickness reaches 365.8 μm, which reduces fluid blockage and eliminates scratches. The wide and shallow cavity promotes the flow of thick coatings and improves the wetting effect.

$ 178.00

The four-guide column structure is adopted to ensure smooth sliding and high accuracy, the knife die life is ≥ 30,000 times and there is no burr Linting defect, the maximum punching size is 100mmx140mm, and the volume is small and safe to operate.

$ 2494.00

Articles

How to choose a laboratory coater? Which one should you buy: wire bar, scraper, or slot die?
This article introduces three methods for selecting laboratory coating machines: wire bar coating is suitable for low-viscosity coatings, offering low cost and simple operation; blade coating is ideal for medium-to-high viscosity slurries or those containing particles, with a wide range of film thickness control; slot-die coating provides the highest precision and is suitable for high-end applications such as electronic films.
Comparison of Coating Accuracy between Laboratory Blade Coater and Slot Die Coater
This article compares the coating precision of blade coaters and slot-die coaters in the laboratory. Blade coaters are suitable for thick coatings, with simple operation but relatively large uniformity errors; slot-die coaters offer higher precision and better uniformity for thin coatings. The choice of equipment depends on coating thickness and precision requirements.
Process optimization of heating coater in lithium battery electrode preparation
This article introduces process optimization methods for heating coaters in the preparation of lithium battery electrodes.
Effect of Different Coating Speeds on Film Thickness Consistency in an Adjustable Film Applicator
This paper studies the influence of coating speed of an adjustable film applicator on film thickness uniformity. In the experiment, the coating blade gap was fixed at 100 μm, and a resin solution with a viscosity of 200 mPa·s was used to prepare films at five speeds ranging from 10 to 80 mm/s, followed by thickness measurements.
The Stripe Issue Caused by Tension Fluctuations in Roll-to-Roll Laboratory Coaters and Its Solutions
This paper analyzes the causes of and countermeasures for coating streaks resulting from tension fluctuations in roll-to-roll laboratory coaters.
Analysis of Common Defects in Laboratory Coating Machine Blade Coating and Adjustment Methods for Process Parameters
This article introduces common defects in the blade coating process of laboratory coaters, such as streaks, orange peel, bubbles, uneven thickness, and missed coating. It analyzes the causes of these issues, which are primarily related to material properties, operating parameters, and environmental factors.
Laboratory rod coater for submicron wet film preparation of photoresist.
This article introduces the process of using a laboratory bar coater to prepare submicron wet films of photoresist.
Application of Perovskite Coater in the Preparation of Intermediate Layers in Tandem Solar Cells
This article introduces the application of perovskite coating machines in the preparation of the intermediate layer of tandem solar cells.
Using a spray coater to achieve the preparation of functionally graded films.
This paper introduces a method for preparing functionally gradient films using a spray coating machine.
Application of Spray Coating Machines in the Encapsulation of Flexible Electronic Devices
This paper introduces the application of spray coating machines in the encapsulation of flexible electronic devices.
Roll-to-Roll Preparation of Perovskite Coaters for Flexible Perovskite Solar Cells
This article introduces the roll-to-roll fabrication method of flexible perovskite solar cells.
Standard ink film preparation with a blade coater before tack testing of offset printing inks.
This article introduces the method of preparing a standard ink film using a blade coater before testing the tackiness of offset printing inks. It explains the principle of controlling ink film thickness by adjusting the blade gap and details the operational steps from securing the substrate and applying the ink to completing the coating process.
Application of Laboratory Coating Machines in the Coating of Optical-Grade PET Anti-Reflection Coatings
This article discusses the application of laboratory coating machines in the preparation of anti-reflective coatings on optical-grade PET substrates. By controlling parameters such as coating speed and gap, the coating machine enables precise adjustment of coating thickness, thereby enhancing light transmittance and reducing reflection.
Heating coating machine is used for the doctor-blade coating of gel electrolyte films in zinc-ion batteries.
This article introduces the blade coating process for preparing gel electrolyte films for zinc-ion batteries using a heated coating mechanism. By controlling parameters such as temperature, coating speed, and gap height, this method enables the fabrication of films with uniform thickness and smooth surfaces.
Operation Tips for Laboratory-Scale Hot Melt Adhesive Coating Machines
This article introduces the key operational points of a laboratory-scale hot melt adhesive coater. The equipment is primarily used in laboratories to apply hot melt adhesives uniformly onto substrates, supporting the research, development, and testing of adhesives.