Introduction to the main types of machining tools

Tools can be divided into five categories according to the form of the workpiece surface. Tools for processing various external surfaces, including turning tools, planers, milling cutters, external surface broaches and files, etc.; hole processing tools, including drills, reamers, boring cutters, reamers and internal surface broaches, etc.; thread processing Tools, including taps, dies, automatic opening and closing thread cutting heads, thread turning tools and thread milling cutters, etc.; gear processing tools, including hobs, gear shapers, gear shaving cutters, bevel gear processing tools, etc.; cutting tools, including inserts Tooth circular saw blades, band saws, bow saws, cut-off turning tools and saw blade milling cutters, etc. In addition, there are combined tools. (Guide: The basic structure of stamping die)

According to the cutting motion mode and the corresponding blade shape, tools can be divided into three categories. General tools, such as turning tools, planers, milling cutters (not including shaped turning tools, shaped planers and shaped milling cutters), boring cutters, drills, reamers, reamers and saws, etc.; shaped tools, the cutting edges of such tools It has the same or nearly the same shape as the cross-section of the workpiece to be processed, such as forming turning tools, forming planers, forming milling cutters, broaches, conical reamers and various thread processing tools, etc.; generative tools are used to process gears by the generative method Tooth surface or similar workpieces, such as hobs, gear shapers, gear shaving cutters, bevel gear planers and bevel gear milling cutters, etc.

The tool materials are roughly divided into the following categories: high-speed steel, cemented carbide, cermet, ceramic, polycrystalline cubic boron nitride and polycrystalline diamond.

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