Application of ultrasonic in OEM machining industy
Since the generation of ultrasonic waves, due to its relatively simple, convenient, directional, and concentrated energy, it soon found applications in the OEM machining industry. The earliest application is the defect inspection of metal materials. Use the reflection of ultrasonic waves at the defect to determine the defect location.
In the future, it will gradually use ultrasonic waves to punch, cut, weld, set materials and polish surfaces. The use of ultrasonic processing mainly uses the rapid small amplitude vibration of ultrasonic waves. Ultrasonic waves act on the abrasive in the liquid between it and the workpiece, thereby hammering the surface of the workpiece, so that the surface of the workpiece material is gradually broken as needed to achieve the purpose of processing.
Ultrasonic machining is an effective supplement to mechanical machining, electrical discharge machining, laser machining, etc. and can accomplish tasks that cannot be accomplished by other machining methods. The selection of abrasives for ultrasonic processing is very important. According to different processing materials, different abrasives can be selected. For example, corundum abrasives can be selected for plastic processing, silicon carbide abrasives can be selected for brittle materials processing, boron carbide abrasives can be selected for carbide processing, and diamond powder abrasives can be selected for diamond processing.
The ultrasonic processing machine is mainly composed of an ultrasonic generator, an electroacoustic transducer and a horn. Ultrasonic horn is an important part of ultrasonic vibration system. The main function is to amplify the displacement or velocity of the mechanical vibration particles, and concentrate the ultrasonic energy on a small area, also called the ultrasonic shift lever.
The ultrasonic perforator is composed of an ultrasonic generator and a processing head. The ultrasonic vibration head, under the cooperation of abrasive and water, repeatedly vibrates and hammers, which is the processing part to wear through and make suitable small holes. Ultrasonic cutting machine is a kind of ultrasonic equipment specially used for cutting, the principle is completely different from traditional cutting. It uses ultrasonic energy to locally heat and melt the material being cut to achieve the purpose of cutting the material.
Ultrasonic welding machine uses high-frequency vibration waves to transmit to the surface of the object to be welded. Under pressure, the surfaces of the two objects rub against each other to form a fusion between the molecular layers. Ultrasonic polishing machine, which uses the transducer to convert the input UHF signal into ultrasonic mechanical vibration, amplified by the horn and transmitted to the tool head mounted on the horn, driving the diamond or diamond attached to the tool head Abrasive suspensions, etc., rub the workpiece at high speed, causing the surface roughness of the workpiece to decrease rapidly until it reaches the mirror surface, thereby achieving the polishing function. Ultrasound can also be used in the blanking work to carry out nesting, thereby avoiding the waste of materials.