How Can the Coating Machine Adapt to Multi‑Variety Production?
Time：
2026-08-31 16:47
Coating manufacturers are often faced with practical challenges including multiple types of slurry and frequent substrate change‑overs. Different slurries such as solvent‑based, water‑based and solvent‑free slurries have vastly different requirements for feeding pressure, coating speed and drying profiles. Whether a coating machine can achieve fast and stable switch‑over between different varieties directly affects the production‑line utilization efficiency and delivery capacity. With a coordinated strategy of modular design and process database, Nanjing Sumino Precision Machinery Co., Ltd. endows its coating machines with excellent adaptability for diversified products.
Modular coating‑head design holds the key to production flexibility. Various slurries feature significantly different rheological properties. Coating machines from Nanjing Sumino Precision Machinery adopt a modular coating‑head design. Operators may select and quickly replace different coating heads including slot‑die, micro‑gravure or comma‑blade heads according to slurry viscosity, solid content and drying characteristics, thus shortening downtime during product change‑overs. The feeding system is also configured in a modular way, enabling rapid replacement of feed pumps and pipeline components for different slurries.
Adjustability of the tension control system is equally vital. Different substrates show varying sensitivity to tension. Our coating machines are fitted with independent tension sensors and closed‑loop control systems. Tension profiles can be preset for different substrates to automatically match the tension of unwinding, traction and rewinding sections, so as to avoid substrate deformation or coating defects caused by improper tension.
The process‑parameter database guarantees flexible production change‑overs. Nanjing Sumino Precision Machinery provides a full‑set technical solution ranging from slurry testing to presetting of process parameters, assisting customers in building up their own multi‑variety process databases. When switching production orders, operators can quickly recall the corresponding recipe parameters. The coating machine can then stably produce qualified products within a short period and realize efficient multi‑variety change‑over.
Sumino Heavy Machinery Industry (Nanjing) Co., LTD.
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Adress：No. 116, Suyuan Avenue, Jiangning District, Nanjing
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