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Formal characteristics of the structure of non-standard tools
04-23
Non-standard tool structure integral type, welding type and mechanical clamping type. The overall structure is to make the cutting edge on the cutter body; the welding structure is to braze the cutter head to the steel cutter body; there are two types of mechanical clamping structures, one is to clamp the cutter head on the cutter body, and the other is Clamp the brazed cutterhead onto the cutter body. Non-standard carbide tools generally adopt welding structure or mechanical clamping structure; non-standard ceramic tools adopt mechanical clamping structure. The structure of various non-standard tools consists of a clamping part and a working part.
The clamping part and the working part of the non-standard tool with the overall structure are made on the tool body; the working part of the non-standard tool (cutter or blade) with the cog structure is embedded in the tool body. The working part of the non-standard tool is the chip generation and processing part, including the blade, chip breaking or chip rolling structure, chip removal or storage space, cutting fluid channel, etc. Some non-standard tools work in the cutting part, such as turning tools, planers, boring tools, milling cutters, etc.; some non-standard tools work in the cutting part and calibration part, such as drills, reamers, inner surface broaches and taps, etc. The function of the cutting part is to cut chips with the cutting edge, and the function of the calibration part is to polish the machined surface and guide the non-standard tool.
Since standard knives are used to cut various common metal or non-metallic parts, when the workpiece is overheated and its hardness increases, or the workpiece is made of stainless steel, it is easy to stick to the tool, and in some cases the surface geometry of the workpiece is very complex, or The processing surface roughness requirements are high, and standard cutting tools cannot meet the processing requirements. Therefore, in the process of processing, it is necessary to design the material, geometric shape and geometric angle of the tool, which can be divided into two categories: no special customization and special customization.
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