The mold PVD vacuum coating machine is a surface treatment equipment specially designed for the mold industry.
It uses physical vapor deposition technology to deposit specific materials in the form of atoms or molecules on the mold surface in a vacuum environment to form an ultra-thin (usually a few microns), dense, high-performance coating.
The mold PVD vacuum coating machine significantly improves the key properties of the mold, such as wear resistance, corrosion resistance, anti-sticking, and friction reduction, by giving the mold surface a layer of high-performance "armor".
Its application covers almost all mold fields, such as plastic molding, metal die-casting/stamping, rubber/glass manufacturing, food and medicine.
PVD vacuum coating technology has significant advantages in the field of mold coating, making it a key technology for improving mold performance, extending life and improving product quality.
Main advantages:
Significantly improve surface hardness and wear resistance
The hardness of PVD coatings (such as TiN, TiAlN, CrN, TiCN, DLC, etc.) is much higher than that of the mold base material (usually tool steel or cemented carbide).
This greatly enhances the mold's ability to resist abrasion, scratching, fretting and adhesive wear, especially under conditions of high pressure, high speed or processing abrasive materials.
Excellent corrosion resistance
PVD coatings (especially CrN, AlCrN, etc.) have a dense structure and good chemical stability, and can effectively isolate the mold substrate from corrosion by corrosive media (such as acidic gases produced by plastic decomposition, release agents, coolants, seawater environments, etc.).
Reduce friction coefficient and improve demoulding performance
Excellent coating adhesion
Under strict substrate cleaning and activation pretreatment and optimized deposition process, a strong metallurgical bond or diffusion bond can be formed between the PVD coating and the mold substrate.
Advantages:
The coating is not easy to peel off when the mold is subjected to harsh working conditions such as impact, high load and thermal cycle, ensuring the durability and reliability of its protective effect.
Significantly extend mold life
protected by ultra-hard, wear-resistant and corrosion-resistant coating.
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