Unwinding Coating Machine

The unwinding Coater achieves continuous coating through processes including unwinding of the roll, uniform application by the coating head, drying in an oven, and rewinding. It is used to apply coatings on substrates such as paper and films, enabling waterproofing, decorative, or functional layers. It is commonly employed in the production of labels and packaging materials.

Instruments

The equipment adopts dual-station synchronous unwinding and thermostatic hot pressing technology, the bonding speed is adjustable from 2-10m/min, the hot pressing temperature is room temperature to 200 ° C, the line pressure is 5-50N/mm, and it is equipped with automatic deviation correction and full closed-loop tension control to ensure the material alignment accuracy and stable winding.

$ 24279.00

Adopt drawdown blade and bar switchable coating method, Spreader thickness range 0.005-3mm, drying tunnel temperature can reach 350 ℃, support automatic feeding and correction adjustment, realize precision Spreader operation.

$ 61393.00

Spreader rate 5~ 180mm/s adjustable, effective Spreader area 600 * 400mm, equipped with vacuum adsorption and automatic feeding system to ensure coating conformity and ease of operation.

$ 7819.00

The application width is more than 280mm, the thickness range of Spreader is 2um-1.1mm, and the manual drag is used to control the speed of Spreader to ensure the uniformity and accuracy of Spreader.

$ 6528.00

Spreader speed 5~ 180mm/s, Spreader area 400 * 300mm, using Metering Rod & doctor blade and vacuum adsorption system to ensure Spreader uniformity and Stability, can be customized automatic inking function.

$ 9755.00

The equipment is designed according to the international coating stain resistance experimental method, the water Tank volume is 5L, the inner diaMeter of the flow pipe is 8mm, and the time control range is 0~ 99h99s. It is suitable for the stain resistance test of building exterior coatings.

$ 412.00

Support forward and reverse rewinding and unwinding functions, with tension control and deviation correction functions, vertical mesh running speed 1mm/s to 1m/min, effective coating area 1500 * 600mm, to ensure that the mesh vertical stability without shaking.

$ 14274.00

Wet film thickness range 0.005-3mm, Spreader accuracy +/- 5%, servo drive and hot air circulation oven, support automatic tension and deviation correction control, suitable for a variety of coils and coating types.

$ 24279.00

Using 2268 +/- 7g standard brush parts, sanding speed 50cpm, automatic counting function to ensure test Repeatability, linear reciprocating motion simulates actual sanding conditions.

$ 538.00

Wet film thickness adjustment range 0.005-3mm, Spreader accuracy +/- 5%, using servo drive and PLC control to achieve 1-10m/min adjustable coating speed, with automatic tension control and hot air circulation oven.

$ 21051.00

Adopt double grinding head linear friction mode, load 570 +/- 20g adjustable, working plate Rotation speed 0~ 135rpm, magnetic chuck design makes sample loading and unloading convenient, the counter directly reads the number of sanding.

$ 696.00

Using pure mechanical design, the coating performance is measured by conical mandrel bending test plate, the test plate size is 100mm × 180mm, the thickness is less than or equal to 0.8mm, and the operation is simple and reliable.

$ 240.00

Easy to use magnetic suction Cup loading and unloading, sanding times 0~ 9999 two-way count, friction load 570 +/- 20g, additional weight adjustment load, suitable for undercoating and putty anti-sanding performance test.

$ 641.00

Using 25 × 25mm ² 32 grid design, Glass plate thickness 1.2~ 2mm, through the standard Checkerboard test can accurately calculate the Coating hiding power, easy and fast operation.

$ 128.00

Spreader accuracy of +/- 0.05mm, Spreader thickness range of 0~ 10mm, coating speed 5~ 180mm/s adjustable, equipped with automatic feeding system and magnetic stirring function, support bar and drawdown blade two coating methods.

$ 17017.00

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.
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.
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.
The Role of Roll-to-Roll Coating Machines in Photoresist Coating for Semiconductor Packaging
The roll-to-roll coating machine achieves efficient production through continuous unwinding, coating, and rewinding processes. It utilizes precise coating methods to control the thickness of the adhesive film and is suitable for coating materials such as flexible substrates.
Application of Continuous Coating Machine for Lithium Battery Electrode Preparation in Electrode R&D
The laboratory continuous coater is a key piece of equipment in lithium battery electrode research and development, used to simulate mass production coating processes. By precisely controlling parameters such as coating speed, thickness, and tension, it helps researchers optimize slurry formulations and coating procedures.
How to Coat High-Viscosity Slurry – Parameter Setting Tips for Blade Coaters
This article primarily discusses the parameter setting techniques for high-viscosity slurries on blade coaters. High-viscosity slurries exhibit characteristics such as shear thinning, so it is essential to leverage shear effects during coating to facilitate slurry spreading. After coating, the viscosity should recover quickly to prevent sagging.
Common Troubleshooting for Wire Bar Coater: Solving Issues of Streaking and Uneven Thickness
This article mainly introduces solutions to two common faults in the operation of the wire rod coater—coating streaks and uneven coating thickness.