Suitable for CNC machining parts

Compared with ordinary lathes, CNC milling machines have a constant linear speed drilling effect.Whether it is for the inner hole of the car the different straight through hole, it can be processed at the same angular speed, which ensures that the appearance appearance roughness values are common relative very sexual. While the ordinary lathe is stable speed ratio, the amount of cutting through the sample is the same. Under the condition that the raw materials of steel parts CNC blades, the finishing capacity the angle of view of the CNC blades are certain, the roughness of the surface is the cutting amount the cutting speed.

When processing surfaces with different surface roughness, the surface with a small surface roughness adopts a small over-rate, the surface with a large surface roughness adopts a large knife rate, the plasticity is very good.This cannot be guaranteed on ordinary lathes. . Congested parts of the wheelhouse gesture.

Arbitrary plane curves can be approached with parallel lines arcs. Cnc fine machining has the effect of radius cutter radius compensation, can process various parts of complex wheel corridors. The use of cnc fine processing is necessary for the operator's careful use.

The key parts of CNC fine parts processing include fine turning, fine boring, fine milling, fine polishing grinding.

1. Fine turning fine boring: Most of the high-definition light aluminum alloy (aluminum magnesium alloy, etc.) parts of the four-axis aircraft are mostly processed by this method. Generally, pure natural polycrystalline silicon diamond is used, the half arc of blade edge is less than 0.1μm. Machining on a high-precision lathe can obtain an external surface roughness of 1μm accuracy an average height-to-width ratio difference of less than 0.2μm.

Fine parts processing

2. Precision milling: used to process aluminum beryllium aluminum alloy parts with complicated posture. With the help of the precision of the slide rails spindle bearings of the CNC lathe, a high accuracy of mutual parts is obtained. Use a carefully ground diamond knife to develop high-speed milling to obtain precise mirror glass.

3. Precision polishing: used to process shaft hole parts. Most of these parts are made of hardened steel have high strength. Most high-precision grinding machine spindles use negative pressure dynamic pressure liquid rolling bearings to ensure high stability. The ultimate accuracy of cutting is only affected by the bending stiffness of the lathe spindle bed body, but also related to the selection balance of the grinding wheel blades, the machining accuracy of the center hole of the steel other factors. Fine polishing can get a standard accuracy of 1μm a roundness of 0.5μm.

4. Grinding: use the basic principle of mutual cooperation mutual research to start the selective processing of the arc-shaped protrusions on the processed surface. Abrasive grain warp, cutting speed drilling heat can be precisely manipulated, so it is the machining method that obtains the most precision in fine machining technology. The hydraulic machine pneumatic interfitting parts of the four-axis aircraft's high-precision servo motor components, the rolling bearing parts of the dynamic pressure yo-yo motor are all processed by this method to achieve 0.1 to 001um accuracy 0.005μm external Economic unevenness.