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HRC65 round head end mill manufacturers take you to understand the skills and methods of reducing the surface roughness of carbide milling cutters

classification: News



Release time:2022-05-05 13:37

The HRC65 round head end mill manufacturer tells you that the surface of the carbide milling cutter is prone to burns and cracks after being sharpened, which seriously affects the performance of the tool and its tool life. For this reason, we have found through production practice that the selection of grinding wheels with large particle size and large linear speed can truly and effectively avoid cracks and burns on the surface of carbide milling tools and ensure the improvement of sharpening quality. Let's take a look at the classification and use of cemented carbide with Xiaobian.

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1. Classification, composition and use of commonly used cemented carbides
The cemented carbides produced in my country are divided into two categories: YT and YG. The HRC65 round head end mill manufacturer tells you that YT type is composed of titanium carbide, tungsten carbide and cobalt, etc. The main components are WC, TiC and Co, and are mostly used to make tools for cutting steel. YG type is an alloy of tungsten carbide and cobalt, the main components are WC and Co. It is mostly used in the manufacture of cutting iron castings, hardened steel, stainless steel and other tools, as well as in the manufacture of various cemented carbide measuring tools, molds, geological mining and oil drilling. mining tools etc. In addition, there are also YW-type titanium-tungsten-cobalt-type cemented carbides with a small amount of precious metal carbides such as tantalum carbide or niobium carbide, which are used as tools for cutting special heat-resistant alloy materials.
2. Carbide for various tools
The manufacturer of HRC65 round head end mill tells you that another classification method is to divide various cemented carbides used for cutting and mining into two categories: cermet cemented carbides and steel-bonded cemented carbides.
Cermet cemented carbide is a powder metallurgy material formed by mixing refractory metal carbide powder (such as WC, TiC, etc.) with a binder (such as Co, Ni, etc.), pressure forming, and sintering. For example, the most widely used tungsten-cobalt-based cemented carbide (YG3, YG6, YG8, etc.) and tungsten-cobalt-titanium-based cemented carbide (YT5, YT15, YT30, etc.). HRC65 round head end mill manufacturers tell you that this type of carbide tool is resistant to high temperature and wear, and is widely used in the manufacture of measuring tools and molds, as well as in the manufacture of drill bits and drill bits.
Steel-bonded cemented carbide takes one or more carbides (such as TiC, WC, etc.) as the hardening phase, and uses the powder of alloy steel (such as high-speed steel, chromium-molybdenum steel, etc.) as the binder. After batching, mixing, pressing and Sintered powder metallurgy material. The manufacturer of HRC65 round head end mill tells you that this is a new type of tool material, which can be divided into the following two types.
① The proportion of TiC in the high-speed steel-bonded cemented carbide is 35%, and the mass proportion of high-speed steel is 65%. The hardness after quenching and tempering is HRC69-73.
② The content of WC in the chromium-molybdenum steel-bonded cemented carbide is 50%, and the mass ratio of the chromium-molybdenum steel is 50%.
The above is the skill sharing of the surface roughness reduction of carbide milling cutters told by the HRC65 round head end mill manufacturer. I hope it will be helpful to everyone.