Manufacturing method of corrugated heat exchange tube

Abstract

The invention discloses a manufacturing method of a corrugated heat exchange tube. The manufacturing method comprises the following steps of (1), constructing the model of the contour parameter of a corrugated tube; (2), carrying out the section design of a roller wheel by utilizing a spatial envelope principle, and solving a contact line and the axial section of the roller wheel; (3), constructing a machine tool and carrying out simulation by using numerical control processing simulation software; (4), comparing a simulation result with an ideal-size corrugated tube, and estimating a deviation; (5), determining a cutter parameter and a processing parameter; (6), simulating by using finite element analysis software and calculating the resilient amount of a tube wall; (7), processing by using a rolling machine. According to the method, through establishing a mathematic model for processing the corrugated tube, the contact line and the axial section of the roller wheel are solved by utilizing the spatial envelope principle; further, the corrugated tube is processed in a simulation manner by applying the simulation software; through the compassion with the ideal-size corrugated tube,the tool parameter and the processing parameter are optimized and finally, the corrugated tube which is good in quality and high in performance is finally processed by using the rolling machine.

Description

Technical field [0001] The invention relates to a process method for processing the surface of a pipe fitting, in particular to a manufacturing method for processing the surface of a corrugated heat exchange tube. Background technique [0002] The heat exchanger is a heat exchange device that transfers part of the heat of the hot fluid to the cold fluid, so that the fluid temperature reaches the specified index of the process flow. The heat exchange tube is the core component of the heat exchanger. At present, domestic and foreign has been committed to designing and developing various types High-performance heat exchange tubes, and corrugated heat exchange tubes are a common type of highly efficient enhanced heat exchange tubes. How to improve the manufacturing quality and performance of corrugated heat exchange tubes has always been the focus of research in the field of heat exchangers. [0003] At present, the traditional corrugated heat exchange tube is processed into a corrugat...

AI Technical Summary

Problems solved by technology

[0004] The present invention proposes a manufacturing method for corrugated heat exchange tubes based on problems such as irregular shapes of heat exchange tubes, unsatisfactory surface quality of processed surfaces, low heat exchange efficiency, poor mechanical properties, and short service life caused by existing corrugated tube manufacturing methods. method, by establishing a mathematical model of corrugated pipe processing, using the principle of space envelope to obtain the contact line and the section of the roller shaft, and then applying simulation software to simulate the processing of corrugated pipes, and optimizing the tool parameters and processing by comparing with the ideal size corrugated pipe parameters, and finally use rolling machine to process bellows with good quality and high performance

Images