Aolikang Carbide Milling Cutters

Chinese name: Coated tool
Foreign name: Coated tool
Category: Blades
Features: Coated
use: processing

There are two coating methods commonly used in production: physical vapor deposition (PVD) and chemical vapor deposition (CVD). The deposition temperature of the former is 500°C, and the coating thickness is 2~5μm; the deposition temperature of the latter is 900°C~1100°C, the coating thickness can reach 5~10μm, and the equipment is simple and the coating is uniform. Because the PVD method does not exceed the tempering temperature of the high-speed steel itself, the PVD method is generally used for high-speed steel tools, and the CVD method is mostly used for cemented carbide. When cemented carbide is coated by CVD method, due to its high deposition temperature, a brittle decarburized layer (η phase) is easily formed between the coating and the substrate, resulting in brittle fracture of the insert. In the past ten years, with the advancement of coating technology, cemented carbide can also use the PVD method. In foreign countries, a combination of PVD/CVD technology has also been used to develop a composite coating process, which is called PACVD (plasma chemical vapor deposition). That is to say, the use of plasma to promote the chemical reaction can reduce the coating temperature to below 400 °C (the coating temperature can be reduced to 180 °C ~ 200 °C), so that there will be no diffusion between the cemented carbide substrate and the coating material. The phase transition or exchange reaction can maintain the original toughness of the blade. This method was reported to be particularly effective for applying diamond and cubic boron nitride (CBN) superhard coatings.

Our Product Series include cemented carbide turning & milling cutting tools with standard and non-standard; various kinds of wear-resisting, anti-crosion precision mould and structural parts; semifinishing and precision machining of cermet and non-cermet cutting tools.

In recent years, with decades of accumulated experience and knowledge and through unremitting efforts, we’ve developed high quality Gear Cutter Series, which including: Gear Hobs series, Shaper Cutters series, Shaving Cutter series etc.

We locate in Zhuzhou city, the land of cemented carbide in China. The company has precision production equipment from key raw materials and mixtures preparation, precision forming, atmosphere and pressure control sintering, grinding and coating, and has precision measuring instruments for international quality management standard. That is why the quality of AoHua gear cutter has even exceeded that of the original world-class brand.

AoHua Tools team will serve gear cutting tools with best quality, competitive price with best delivery for our valuable customers. We look forward to your continued interest in our gear cutting tools and wish all the best to you and your family.

Any special requests on gear cutting tools, please contact us for more detail.