Advantages of Vibration Machining for Precision Mechanical Parts Machining

Advantages of vibration cutting in the machining of precision mechanical parts

Due to the small cutting force, low cutting temperature, and sufficient cooling during vibration cutting, the chips are easier to break and expel, which can significantly improve precision machinery. The application life of accessories processing tools, such as the proper selection of vibration parameters, can generally extend the tool life several times to dozens of times, and the application results are better for difficult-to-machine materials and difficult-to-machine processes. The ultrasonic vibration cutting test of stainless steel with cemented carbide tools proves that the service life of the tool is 20 times longer than that of ordinary cutting methods. The extension of tool life can not only save tool materials, reduce service time, reduce the processing cost of precision machine parts, improve production efficiency, but also help to ensure processing quality.

When the mechanical parts are processed by ordinary cutting, the chips are always pressed on the rake face of the tool to form a high temperature and high pressure area, and it is difficult for the cutting fluid to enter the cutting area. During vibration cutting, because the cutting is intermittent, when the tool is separated from the precision parts, the cutting fluid enters the cutting area from all around, and fully cools and lubricates the tool tip, especially during ultrasonic vibration cutting.

Due to the cavitation formed by ultrasonic vibration, on the one hand, the cutting fluid can be uniformly emulsified and formed. The uniform emulsion particles, on the other hand, the cutting fluid is more likely to secrete into the cracks of the material, which can further improve the application effect of the cutting fluid, improve the chip removal conditions, and thus improve the processing quality of precision machine parts.

When machining mechanical parts with vibration cutting, the tool vibrates according to the sine rule, forming small tool marks on the machined surface, similar to the pattern mesh pattern formed during the secondary reprocessing, and a large number of patterns are evenly and densely distributed in the precision On the machining surface of machine parts, it is easy to form a thicker oil film when the parts work, which can improve the wear resistance of the sliding debate. The residual stress of vibration cutting is very small, the processing metamorphic layer is shallow, and there is only a small processing deformation near the cutting edge. The erosion resistance of the surface, the cutting test proves that the wear resistance and erosion resistance of the surface of the vibration cutting workpiece are close to the grinding surface, which is enough to guarantee the machining accuracy of precision machine parts.

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