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Through field survey, analysis of the characteristics and scope of application of various types of pipe cutting and cutting parts, the article proposed a new device to serve welding, Automatic cutting with medium capacity. After selecting and calculating the geometrical parameters of the main parts of the machine, the experimental model of this new fixture was developed. Highly reliable workmanship, the products created by the support of this device are of high quality, the machine structuredoi:10.17577/ijertv7is110101 fatcat:ijt5wylqr5cftomvpl5znslcbe