Tool coating

Tool coating color

TiN

TiCN

TiAIN

DLC

ZrN

CrN

Golden yellow

Dark grey

Purplish black

Gray-black color

Silver and grey

Copper and yellow

一、TiN is a universal PVD coating that increases tool hardness and has a high oxidation temperature. The coating can be used for high speed steel cutting tools or forming tools to obtain very good machining results.

category

colour

thickness

hardness

coefficient of friction

Degree Celsius

TiN

Golden yellow

1-5μm

2300HV

0.6

600°C

Main feature

The standard coating has good versatility, high oxidation temperature, and is widely used in machining, stamping, injection mold and parts with low cutting resistance and medium speed.

Scope of application

1. Precision mold: mirror mold, injection mold, stamping mold, stretch forming mold, punch and all kinds of mold parts, such as slider, thimble, etc
2. Cutting tools: drill, milling cutter, tap, hob cutter, planer cutter, shaving cutter, broach, circular saw blade, expendable blade and other cutting tools
3. Measuring tools: vernier calipers, calipers, gauges, micrometers, etc
4. Automotive industry: piston rings, plungers, etc

二、The carbon element added to TiCN coating can increase tool hardness and obtain better surface lubricity, which is the ideal coating for high-speed steel tools.

category

colour

thickness

hardness

coefficient of friction

Degree Celsius

TiCN

Dark grey

1-4um

3200HV

0.2

400°C

Main feature

It has low internal stress, relatively high toughness, good lubricity and wear resistance. It has remarkable effect on punching die and stretch forming die

Scope of application

1.Precision mold: in the metal stamping and bending mold, continuous high-speed punching die and stretch forming die has a significant effect.
2. Cutting tools: drill, tap, milling cutter, hob cutter, circular saw blade and other cutting tools.

三、The alumina layer formed in the TiAlN/AlTiN coating can effectively increase the high-temperature working life of the tool. Tungsten carbide tools mainly used for dry or semi-dry cutting can choose this coating. Depending on the proportion of aluminum and titanium contained in the coating, AlTiN coatings provide a higher surface hardness than TiAlN coatings, making it another viable coating option for high-speed machining.

category

colour

thickness

hardness

coefficient of friction

Degree Celsius

TiAIN

Purplish black

1-4um

3500HV

0.5

900°C

Main feature

Excellent wear resistance, oxidation resistance, suitable for steel, cast iron, cast copper, hardened steel and other difficult materials cutting, as well as large feed rough processing.

Scope of application

1. Precision mold: stamping mold, powder gold mold, die casting mold
2. Cutting tools: drill, milling cutter, tap, reamer, hob cutter, planer cutter, shaving cutter, broach, circular saw blade, expendable blade, die cutter and other cutting tools
3 Applicable steel: Suitable for processing alloy structural steel, martensitic steel, hardened die steel

四、Diamond coating is an ideal coating to provide the best performance for tools working with non-ferrous metal materials. The coating is suitable for hard milling, tapping, and drilling, especially for graphite, metal-matrix composites (MMC), high-silicon aluminum alloys, and many other highly abrasive materials. Different processing methods require different coating types because they have specific applications.

category

colour

thickness

hardness

coefficient of friction

Degree Celsius

DLC

Gray-black color

1-6um

4000HV

0.1

900°C

Main feature

High lubricity (low friction coefficient), good adhesion resistance, high hardness and good wear performance

Scope of application

1. Cutting tools: diamond coating can improve the hardness and wear resistance of the tool, make the cutting efficiency higher, longer life, widely used in metal cutting, graphite processing, woodworking engraving, textile cutting and other fields.
2. Mold and mold parts: diamond coating can reduce the wear and friction of the mold, improve the life and accuracy of the mold, and is widely used in plastic, rubber, glass and other materials of the mold and mold parts.
3. Aerospace: Diamond coating can improve the wear resistance and high temperature resistance of aerospace parts, and is widely used in engine parts, turbine blades, bearings and other fields.
4. Medical instruments: diamond coating can improve the hardness and wear resistance of medical instruments, reduce the risk of surgery, widely used in surgical blades, artificial joints, dental instruments and other fields.
Optical devices: diamond coating can improve the hardness and wear resistance of optical devices, reduce the reflection and scattering of optical components, and is widely used in lasers, optical lenses, optical fibers and other fields.

五、ZrN(Zirconium nitride) coating is a special anti-stick coating, does not contain Ti and Cr coating, suitable for processing aluminum, copper, titanium and their alloys without the phenomenon of accumulation and sticking.

category

colour

thickness

hardness

coefficient of friction

Degree Celsius

ZrN

Copper and yellow

1-5um

2400HV

0.35

600°C

Main feature

Anti-stick type special coating

Scope of application

1. Suitable for processing aluminum (6 series,7 series), copper and other non-ferrous metals
2. Injection molding (improve release)

六、The good adhesion resistance of CrN coating makes it the preferred coating in the processing of debris accumulation. After applying this almost invisible coating, the machining performance of high-speed steel tools or cemented carbide tools and forming tools will be greatly improved.

category

colour

thickness

hardness

coefficient of friction

Degree Celsius

CrN

Silver and grey

1-6um

2000HV

0.5

400°C

Main feature

Low stress, high adhesion, high toughness, high corrosion resistance

Scope of application

1. Aluminum and its alloys: CrN coating can be used to process aluminum and its alloy materials, which can improve the life and processing quality of tools.
2. Copper and brass: CrN coating can be used to process copper and brass and other materials, which can prevent accumulation and adhesion phenomenon, improve the precision and surface quality of parts processing.
3. Carbon fiber: CrN coating can be used to process carbon fiber and its composite materials, which can improve the life and processing quality of cutting tools.

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