Owing to its high controllability over coating thickness and uniformity, slot-die (extrusion) coating has been widely adopted in emerging industries such as thin-film solar cells, advanced display materials, optical functional films, and eco-friendly permeable membranes. As these new sectors demand increasingly

The slot-die extrusion coating die is a tool used to apply liquid coatings onto target substrates and is widely employed in products requiring precise coating, such as LCD panels, high-performance functional films, and lithium-ion secondary batteries. Structurally, the slot-die consists of a matched pair of “stainless steel main

In a single-cavity extrusion die, the die shim allows coating slurry to be steadily delivered from the inlet into the manifold cavity. Within the cavity, the slurry is distributed and homogenized across the coating width, then flows into the narrow slit formed by the shim, upper die, and lower die for further uniformization

Innovation in this field stems from competition with other manufacturing processes, new product concepts, and economic pressures—posing continuous challenges for extrusion equipment manufacturers to improve their technologies. Extrusion systems are classified based on the die exit geometry, resulting in four main

With the rapid advancement of modern manufacturing technologies, an increasing number of high-tech products have been put into practical use. Equipment such as foam coating machines, protective film coaters, and dual-axis slitting machines are all outcomes of technological innovation. These not only provide strong

Proper maintenance of the extrusion slot-die coating head directly affects the quality and consistency of extruded products. If the die is not properly maintained, it may lead to material waste, increased operational costs, and reduced company profitability. Therefore, effective care and maintenance of the extrusion