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No matter how many blades a tungsten steel milling cutter has, the end face of the blade must first be ground flat perpendicular to the axis. This is the key to ensuring that the highest point of the blade is on the same plane. The methods for grinding the blade end face and checking the […]
Ceramic cutting tools are characterized by high hardness, excellent wear resistance, good thermal stability, and chemical stability, and they do not easily adhere to metals. They hold a very important position in CNC machining and have become one of the main cutting tools for high-speed cutting and machining of difficult-to-process materials. Ceramic tools are widely […]
High-Speed Steel (HSS), which stands for High-Speed Steel, is a high-alloy tool steel that incorporates a significant amount of alloying elements such as tungsten (W), molybdenum (Mo), chromium (Cr), and vanadium (V). HSS tools exhibit excellent comprehensive properties in terms of strength, toughness, and workability, and they still hold a dominant position in the manufacturing […]
Matching of Cutting Tool Materials with Workpiece Mechanical, Physical, and Chemical Properties for Optimal Machining Performance 1. Mechanical Property Match Between Cutting Tools and Workpieces The matching problem regarding mechanical properties primarily involves the alignment of tool materials' strength, toughness, and hardness with those of workpiece materials. Different tool materials are suitable for machining different […]
1. Hole Size Increase When using a machining center or similar equipment for drilling with a rotating drill bit and noticing an increase in hole diameter (Figure 1), it is recommended to consider increasing the cutting fluid flow rate, such as cleaning the filter, cleaning the cutting fluid hole in the drill bit, or trying […]
The selection of lathe tool holders for external turning requires consideration of factors such as machining form, tool strength, and economic efficiency. 1. Tool holder selection is primarily based on the machining form. The type of tool holder that can be used varies with the turning part (external round, end surface, copying, etc.) and the […]
The milling methods for V-Slot and T-Slot are as follows: I.V-Slot and their milling methods 1. Main technical requirements for V-Slot (1) The center plane of the V-Slot should be perpendicular to the reference surface (bottom surface) of the rectangular body. (2) The two side faces of the rectangular body should be symmetrical to the […]
Based on the type of machined surface, turning tools can be divided into external turning tools, internal turning tools, and end face turning tools. 1. External Turning Tools External turning tools are used for external turning, to machine the external cylindrical surface of a part, achieving the required size, geometric tolerance accuracy, and surface quality, […]
1. The order of hardness of tool materials: PCD>PCBN>A1, O, based ceramics>Si, N, based ceramics>TiC (N) based carbide>WC based ultrafine grained carbide>High speed steel (HSS) 2. The order of bending strength of tool materials is HSS>WC-based cemented carbide>TiC(N)-based cemented carbide>Si, N-based ceramics>A1,0:-based ceramics>PCD>PCBN 3. The order of fracture toughness of tool materials is HSS>WC-based cemented […]
Correct selection of coating is the prerequisite for rational use of coated tools and full use of coating functions. The following is a three-point basis for the selection of PVD coatings. First of all, it still depends on the classification and hardness of the workpiece material. Generally speaking, TiN and TiCN are used for processing […]
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