A dual-helical groove combined single-excitation ultrasonic-assisted turning device for three-dimensional curved surfaces
A three-dimensional curved surface, ultrasonic-assisted technology, applied in turning equipment, turning equipment, fluid using vibration, etc., can solve the problems that ordinary turning cannot achieve the required accuracy, cannot cut difficult-to-machine materials, and cannot meet practical requirements, etc., and achieve the effect of vibration. The effect of obvious, convenient control and simple structure
Active Publication Date: 2021-01-01
NORTHEASTERN UNIV LIAONING
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[0030] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0031] Such as figure 1 , figure 2 with Figure 5As shown, a double helical groove combined single excitation three-dimensional curved surface ultrasonic assisted turning device includes an ultrasonic excitation device, a double helical groove combined pressing knob device and a fixing frame. The fixing frame adopts a symmetrical design, which is convenient for the whole device to be installed on Used on a lathe, the fixed frame includes a base 9, six light holes and six threaded holes are processed on the base 9, the six threaded holes are arranged in three rows and two columns, and one end of the upper surface of the base 9 The lower rib 8 is connected to the lower rib 8 through bolts and threaded holes, the lower rib 8 is connected to one end of the vertical plate 7 through bolts, the other end of the vertical plate 7 is connected to the...
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A double-spiral groove combined single-excitation three-dimensional curved surface ultrasonic-assisted turning device belongs to the field of composite ultrasonic vibration cutting processing and includes an ultrasonic excitation device, a double-spiral groove combined pressing and twisting device and a fixed frame. Through the combination of the ultrasonic excitation device and the double spiral groove combined pressing and twisting device, under the ultrasonic high-frequency vibration excitation, the double spiral groove combined pressing and twisting device twists in the horizontal direction and deforms in the vertical direction at the same time, driving the turning tool to move on the horizontal plane. While arc-shaped rotation occurs within the device, a certain amount of up and down vibration is generated along the axial direction in the vertical plane, converting the one-dimensional ultrasonic vibration generated by the single-excitation ultrasonic excitation device into a three-dimensional curved surface-type composite ultrasonic vibration for ultrasonic assistance. Turning. By adjusting the amplitude and frequency of the ultrasonic excitation device, the number of spiral grooves, the groove width and other factors, different trajectory changes of the three-dimensional surface movement of the turning tool can be realized to adapt to different processing conditions and requirements.
Description
technical field [0001] The invention belongs to the technical field of composite ultrasonic vibration cutting and processing, and in particular relates to a double helical groove combined single excitation three-dimensional curved surface ultrasonic assisted turning device. Background technique [0002] With the rapid development of the machinery industry and the acceleration of product upgrading, the industrial upgrading of the equipment manufacturing industry is imminent, and the requirements for the processing accuracy and processing efficiency of mechanical parts are getting higher and higher. Especially in recent years, with the rapid development of aerospace, semiconductor and electronic industries, and the wide application of crystalline silicon, optical glass, engineering glass and other materials, the processing technology for these hard and brittle difficult-to-machine materials has been stagnant, which is serious. Influenced the further popularization and applicat...
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IPC IPC(8): B23B5/00B23B3/06B06B1/02B06B1/00B06B3/00
CPCB06B1/00B06B1/02B06B3/00B23B3/06B23B5/00
Inventor 邹平张志坚田英健吴昊王文杰魏事宇
Owner NORTHEASTERN UNIV LIAONING