Development Of 40kHz One-dimensional Ultrasonic Linear Vibration Turning Device

The development of society cannot be separated from the manufacturing industry.As a key branch of the manufacturing industry,the mechanical processing industry plays a decisive role in the development of the society.With the rapid development of science and technology,people have put forward higher requirements for the accuracy of parts and materials for parts.The higher the precision of parts and components,the higher the cost of using traditional processing methods,and the use of special materials,the use of traditional processing methods,the processing efficiency is low,the processing accuracy is poor,and even can not be processed.In this environment,ultrasonic vibration cutting came into being.At present,ultrasonic elliptical vibration turning devices in Japan and Germany have been introduced to the market,and domestic one-dimensional ultrasonic linear vibration turning devices have not yet been introduced to the market.The gap is very large.Therefore,the study of this topic has an important significance.This article aims to develop an one-dimensional ultrasonic linear vibration turning device that has been continuously improved to the market.The specific research contents are as follows:(1)This paper summarizes the advantages of ultrasonic vibration turning compared to ordinary turning and points out that it is of great significance to develop an ultrasonic one-dimensional vibration turning device.It explains the research course and research results in the field of ultrasonic vibration cutting at home and abroad,including several advanced ultrasonic vibration cutting devices from Japan and Germany.(2)There are two points worth improving in the development of the ultrasonic vibration turning device in China: one is the connection mode of the horn and the tool part,and the other is the vibration mode used.The article proposes an axially consistent structure of the tool part and the horn,and adopts a new ?composite vibration?.For composite vibration,it is demonstrated from the principle and simulation,and combined with actual turning,pointing out that in actual vibration turning Laws that should be followed.(3)The core of the vibration turning device,the ultrasonic vibration part,includes an ultrasonic generator,a transducer,a horn of a loading vehicle blade,and a horn fixing sleeve.The article briefly describes the principle and selection of ultrasonic generators and transducers,It mentions the reasons for the frequency selection of 40 kHz and focuses on the design process of full-wavelength,dual-node,stepped arc transitional booster poles,and the horn and the vehicle blades and horns.The fixed sleeve connection was specifically designed to ensure overall resonant performance.(4)In the cutting process,under different conditions,it is necessary to adjust the angle of the tool(anterior angle,leading angle,blade angle,etc.).In the article,a clamping device for adjusting the angle of the tool is designed.The clamping device links the "ultrasonic vibration part" with the machine tool.(5)After the one-dimensional ultrasonic linear vibration turning device is designed,processed,installed and adjusted,it is installed on the lathe.By changing the parameters such as rake angle,main declination angle,cutting speed,feed speed,and cutting depth,the appearance and roughness after cutting are compared.Degree,cutting force,etc.,summed up the method to improve the quality of ultrasonic vibration cutting surface,and compared with the "composite vibration" law.