Tool composition

The structure of each tool consists of a clamping part and a working part. The clamping part and the working part of the integral structural tool are made on the body; the working part (knife or blade) of the inserting tool is mounted on the body.

The clamping part of the turning tool has two types of holes and a handle. The perforated tool is placed on the spindle or mandrel of the machine according to the inner hole, and the torsional moment is transmitted by the axial key or the end key, such as a cylindrical milling cutter and a sleeve milling cutter.

Clamping shank

Tooles with handles usually have three types: rectangular handle, cylindrical handle and tapered handle. Turning knives, planing knives, etc. are generally rectangular shanks; taper shanks are tapered to withstand axial thrust and transmit torque by friction; cylindrical shanks are generally suitable for smaller twist drills, end mills, etc. The frictional force transmits the torsional moment. Many of the shank-handled shanks are made of low-alloy steel, while the working part is made of high-speed steel to butt weld the two parts.

The working part of the tool is the part that produces and processes the chip, including the blade, the structure that breaks or rolls the chip, the space for chip removal or chip storage, and the passage of the cutting fluid. Some working parts of the tool are cutting parts, such as turning tools, planing tools, boring tools and milling cutters; some working parts of the tool include cutting parts and calibration parts, such as drill bits, reaming drills, reamers, and internal surfaces. Knives and taps, etc. The function of the cutting part is to cut the chips with a cutting edge. The calibration part is used to polish the machined surface and guide the tool.

turning tool

The working part of the tool has three types: integral, welded and mechanically clamped. The overall structure is to make a cutting edge on the cutter body; the welded structure is to braze the blade to the steel body; the mechanical clamping structure has two kinds, one is to clamp the blade on the cutter body, and the other is to clamp the blade to the cutter body, and the other The brazed bit is clamped to the body. Carbide tools are generally made of welded structures or mechanically clamped structures; ceramic tools are mechanically clamped.


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