PVD Coating For Cutting Tool
Physical Vapor Deposition (PVD) coating is a sophisticated process used to enhance the performance and durability of cutting tools. This technology involves the deposition of a thin film of material onto the surface of a substrate, typically a cutting tool, to improve its mechanical properties, wear resistance, and overall lifespan. PVD coatings are widely employed in various industrial applications, including machining, aerospace, automotive, and medical industries, due to their superior characteristics.
The primary advantage of PVD coating over other coating methods, such as Chemical Vapor Deposition (CVD), is its ability to deposit coatings at relatively low temperatures. This allows for the coating of temperature-sensitive materials without altering their properties. Additionally, PVD coatings are known for their high adhesion strength, uniform thickness, and excellent surface finish.
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:
When machining high-hardness materials, insufficient tool body hardness can lead to excessive tool wear. Low feed rates and cutting volumes reduce machining efficiency, while a single type of tool coating may not meet the requirements for processing various materials.
Additionally, the desired product surface finish may not be achieved.
By selecting appropriate coatings for the tools, tool lifespan can be extended, machine downtime reduced, and tool performance significantly enhanced. This leads to lower tool inventory requirements, reduced coolant usage, and lower defect rates in finished products.
Tool Regrinding and Coating Services
For high-precision and high-value tools, Liren Aibang works closely with tool manufacturers, utilizing imported five-axis machine tools for regrinding used tools. Combined with advanced coating technologies, reground tools can achieve up to 80% of a new tool’s lifespan, and in some cases, even exceed it. Certain inserts can also be reground and reused, significantly reducing tooling costs for manufacturing enterprises.
CT Tooling: Clearly label tool models and quantities, package them separately, and include an outsourced tool list and coating types.
| Coating Type | Thickness Range | Micro Hardness HV 0.05 | Friction vs. Steel | Service Temperature(°C) | Deposition Temperature(°C) | Color | Ingredients and Use |
|---|---|---|---|---|---|---|---|
| CT-100 | 2-4 | 2200 | 0.55 | 500 | 400-500 | Golden | TiN |
| CT-110 | 2-4 | 2800 | 0.2 | 400 | 400-500 | Blue Gray | TiCN |
| CT-201 | 3-5 | 2000 | 0.5 | 700 | 400-500 | Silvery White | CrN |
| CT-300 | 2-4 | 3200 | 0.4 | 850 | 450-500 | Purple | TiALN |
| CT-301 | 2-4 | 3500 | 0.6 | 900 | 450-500 | Black | ALTiN |
| CT-400 | 2-4 | 3000 | 0.5 | 1000 | 450-500 | Grey | ALCrN |
| CT-500 | 2-4 | 3500 | 0.2 | 1050 | 450-500 | Bronze | TiSiN |
| CT-600 | 1-2 | 4000 | 0.1 | 300 | 250 | Black | PVD+DLC |
| CT-800 | 1-2 | 6000 | 0.1 | 400 | 200 | Color/Black | Ta-C |
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:
