Learn about the classification of knives!

Cutting tools according to the form of the workpiece processing surface can be divided into five categories: processing a variety of external surface tools including turning tools, planing knives, milling cutters, outer surface broach and file; Hole processing tools include drill, reaming drill, boring cutter, reamer and internal surface broach, etc. Thread processing tools include tap, die, automatic opening thread cutting head, thread turning tool and thread milling cutter, etc. Gear machining tools include hob, gear shaper, shaving cutter, bevel gear and broach, etc. Cutting tools include inserted circular saw blades, band saws, bow saws, cutting turning tools and saw blade milling cutters. In addition, there are combination tools. According to the cutting movement mode and the corresponding blade shape, the tool can be divided into three categories: general tools such as turning tools, planing tools, milling tools (excluding forming turning tools, forming planing tools and forming milling tools), boring tools, drill, reaming drill, reamer and saw; The cutting edge of this type of tool has the same or close to the same shape as the section of the workpiece being processed, such as the forming turning tool, the forming planing tool, the forming milling cutter, the broach, the taper reamer and various thread processing tools; Special tool A tool for machining some special workpieces, such as gears, splines, etc. Such as, shaper cutter, shaving cutter, bevel gear planer and bevel gear milling cutter and so on.

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