The Difference Between Ultrasonic Cutting And Traditional High-speed Milling Of Honeycomb Materials

The Difference Between Ultrasonic Cutting And Traditional High-speed Milling Of Honeycomb Materials

Date:Sep 04, 2019

The basic principle of the traditional high-speed milling process is to use the machine tool spindle to produce high-speed rotation, and then through the milling head (or drill bit) to break the material along the edge of the workpiece, so that the workpiece can be shaped or separated. This type of machining causes a large amount of dust in the machining area due to material damage caused by the high-speed rotation of the tool, and the high-speed rotating tool also causes burrs on the surface of the workpiece. In addition, the effect of the lateral force of the spindle during the infeed causes a temporary deformation of the workpiece material, which affects the quality and dimensional accuracy of the workpiece. Due to the influence of the lateral force of the main shaft, the fixing method between the workpiece and the table (equivalent to the mounting of the metal workpiece) tends to be complicated by the use of a chemical adhesive having a strong bonding force. After the processing is completed, the process of removing the adhesive not only consumes time, pollutes the environment, but also damages the already processed workpiece, resulting in an increase in cost.

Ultrasonic cutting is completely different:

First, the key to ultrasonic cutting is "cutting" rather than "cutting" of a conventional bed. To put it bluntly, ultrasonic cutting is like cutting paper with scissors or cutting leather with a cutter, and it does not produce debris from the workpiece. Compared with the conventional "cutting and reducing", the ultrasonic cutting knife can apply 20-30khz of vibration energy on the scissors or the cutter to help open the molecular structure inside the material. Thanks to this feature, the tool can more easily separate the material during the cutting process, and its cutting speed is much larger than the traditional milling process.

Secondly, since there is no problem of breaking the material, the ultrasonic cutting does not generate dust at all, and the cost of installing the dustproof and dust removing equipment can be eliminated.

Thirdly, since the ultrasonic cutting greatly reduces the lateral feeding force, in addition to the deformation of the workpiece, the mounting of the material can be very simple and convenient, and only vacuum adsorption or adhesive bonding can be used. Therefore, the use of ultrasonic cutting technology can win higher cutting efficiency, better workpiece quality, lower processing cost and better environmental protection.

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