PVD Coating For Plastic Molds Tool
Physical Vapor Deposition (PVD) Coating is a advanced surface treatment technique widely used in the manufacturing industry, particularly for plastic molds tools. This process involves the deposition of a thin film of material onto the surface of a substrate in a vacuum environment. PVD coatings are renowned for their ability to enhance the performance, durability, and efficiency of plastic molds tools, making them a critical component in modern manufacturing processes.
Physical Vapor Deposition (PVD) is a vacuum coating process that involves the vaporization of a solid material and its subsequent condensation onto a substrate. The process typically occurs in a high-vacuum environment, where the coating material is vaporized using methods such as sputtering, evaporation, or arc discharge. The vaporized material then condenses onto the substrate, forming a thin, uniform layer.
BE-CU prototype company’s surface treatment partner and shareholder use PVD technology for coating a wide range of hardware, plastic, die-casting molds, cutting tools, and precision components.Common Problems of Hardware Molds:
For certain high-gloss molds, scratches often occur during production due to various reasons, leading to increased defect rates and production downtime. Applying a coating to the mold can significantly improve this issue, extending its lifespan.
- After a period of use, the sliders and inserts of precision molds often experience severe surface wear, resulting in larger gaps and excessive lubrication oil contaminating plastic products. With a coating, molds can operate with reduced or even no lubrication, allowing for dry operation.
- For plastic products that contain fiberglass or fire-resistant materials, the cavity surface is prone to wear, losing the designed texture and requiring frequent mold repairs. Coating the mold can effectively extend its lifespan.
- For soft materials such as TPU and TPE, which are difficult to demold, our specialized treatment greatly improves the demolding process, eliminating the need for release agents.
MT Plastic Molds: Clearly mark the processing methods for the mold’s working surfaces, such as mirror finish, textured surfaces, and their corresponding grades. Special care must be taken to protect the working surfaces of the mold, ensuring no collisions or damage occur. The coating process should only proceed after successful trial molding, and a plastic product should be attached for reference.
| Coating Type | Thickness Range | Micro Hardness HV 0.05 | Friction vs. Steel | Operating Temperature(°C) | Deposition Temperature(°C) | Color | Ingredients and Use |
|---|---|---|---|---|---|---|---|
| MT-100 | 2-4 | 2200 | 0.4 | 500 | 450 | Golden | TiN |
| MT-200 | 1-2 | 1800 | 0.1 | 500 | 200~450 | Silvery White | Cr NaNo |
| MT-201 | 1-2 | 2200 | 0.1 | 500 | 200~450 | Silver | CrN |
| MT-202 | 2-4 | 2500 | 0.1 | 600 | 450 | Silver | Croma plus |
| MT-300 | 2-4 | 3200 | 0.5 | 850 | 450 | Purple | TiALN |
| MT-600 | 1-2 | 4000 | 0.2 | 400 | 250 | Black | DLC |
Certifications & Quality Machining
- ISO 9001:2015 certified
- Fully compliant with the exacting requirements of our customers
- Compliance in DFARS materials sourcing requirements
- Strict compliance with PPAP and Process
- FMEA for automotive customers
- Skilled in KanBan and CMM Inspection and inventory management systems
- ITAF 16949 certified
Comparison of PVD Coatings
The following table provides a detailed comparison of various PVD coatings used for forming tools:
| Coating Type | Hardness (HV) | Wear Resistance | Corrosion Resistance | Thermal Stability | Friction Coefficient |
|---|---|---|---|---|---|
| Titanium Nitride (TiN) | 2000-2400 | Good | Good | Moderate | 0.4-0.6 |
| Titanium Carbonitride (TiCN) | 2800-3200 | Excellent | Good | High | 0.3-0.5 |
| Chromium Nitride (CrN) | 1800-2200 | Good | Excellent | Moderate | 0.4-0.6 |
| Aluminum Titanium Nitride (AlTiN) | 3000-3500 | Excellent | Good | High | 0.3-0.5 |
| Diamond-Like Carbon (DLC) | 3500-4000 | Excellent | Good | High | 0.1-0.2 |
PVD Coating Parts & Case Studies
At Be-Cu.com we offer effective products, processes, services and ideas to meet our customer’s needs.Our extensive range of custom PVD Coating capabilities includes forming oxide coatings up to 2.0 mils and permanent finishes in distinct colors. Whether a customer is an original equipment manufacturer (OEM) for the automotive, military, or medical industry, we can meet their PVD Coating needs.View our PVD Coating case studies:
