March 29, 2024

Automotive parts processing technology and the planar parts of the tools used

Processing of flat parts

Most of the milling of plane parts adopts the diameter and axial bidirectional adjustable high-speed close-tooth face milling cutter with dense teeth, over-position and repeated clamping structure. The milling cutter has a diameter of 250~400mm and an axial runout of ≤±0.0025mm. The machining of the part assembly plane is milled, with roughness Ra=0.7μm and unevenness <0.02mm.

蓝帜金工(LMT·TOOLS) FEED-Jet 新型高速面铣系统
Lanzi Metalworking (LMT·TOOLS) FEED-Jet new high-speed face milling system

The insert of the fine milling cutter can be adjusted with an eccentric screw with an adjustment accuracy of 0.002 mm. In the medium feed finishing milling process, the normal blade and the smoothing blade are arranged reasonably, and the surface roughness of the parts can be obviously improved; when the large feed finishing is finished, all the polishing blades are used to obtain the ideal surface roughness.


When milling aluminum alloy workpieces, various sizes of milling cutters with different pitches and large axial and radial rake angles are used. The rake face of the tool is polished, and the cutting force is small during cutting without vibration. Good quality.

For the machining of the main bearing cap of the crankshaft , the special tool for broaching of the inverted and arranging machine clamps is used for the razor-type, and 713 pieces of indexable carbide coating (TiCN) blades are installed. The feed rate is 25m/min. 1750 pieces, the cutting allowance of broaching is 1.5~3mm.

In the processing of connecting rods of automobiles, the separation surface breaking process and the double-sided horizontal double-axis circular table surface grinding process are all high-quality and high-efficiency processing techniques commonly used in foreign connecting rod production.

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