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The Precise Linear Guide Straightening Machine Design And Analysis

Posted on:2011-06-27Degree:MasterType:Thesis
Country:ChinaCandidate:M WangFull Text:PDF
GTID:2121360305982932Subject:Mechanical Manufacturing and Automation
Abstract/Summary:PDF Full Text Request
Once getting into the 21st century, manufacturing industry is developing considerably fast. Meanwhile more and more linear rolling guides have been introduced into general machinery, automobiles, electrical and other industries Bending deformation inevitably appears during the process from original billet to the eventual products after roughing, finishing, heat treatment. The deformation will apparently affect the following parts of the order processing and lead to considerable amount of waste without proper straightening treatment. In order to meet the next process on the work piece straightness, cutting margin and other requirements; or directly to meet the final product on the part straightness, journal and jitter requirements, we should make it certain that products meet the middle of more stringent process requirements and final design requirements through a sophisticated and efficient equipment. Some linear rolling guides fail to meet straight-line accuracy standard after long-term or non-normal use. Turning such parts to precision straight alignment often will bring huge economic benefits.Straightening methods generally include heat, cold, cold straightening methods, the parallel roller straightening method, inclined roller straightening method, transfer hub straightening method, translation straightening method, La stretch straightening method, stretch bending and other special ones. This article manages to design the pressure Op-bending straightening machine according to plastic theory. First, the material and geometry parameters of the work piece are input from the operating platform. Then, the system will automatically detect deformation of the work piece and adjust the location of points and two contractors based on the monitoring result. At the same time, by running the stored procedures in the system to calculate the test and input information. According to the results, the control system will receive the respective commands to control the pressure head, then it will run the servo motor to drive the slider trip, completing the first straightening step. And after secondary detection, information processing, and re-straightening, the cycle will continue until the work piece achieves the required accuracy.This independent design in this article is based on the overall structure of pressure crank straightening machine. Calculating and analyzing the straightening machine parameters. Besides, the key components are checked to ensure their stable work of whole system. SolidWorks has been used to build the three-dimensional model of each component in order to verify that all parts of the design is reasonable and develop a reasonable assembly sequence, generating the solid model of straightening machine. The use of Abaqus software is to make finite element analysis on top chucks,pressure head and other key components, The precision of straightening machine has also been analyzed, The design requirements have been completely achieved after comprehensive study.
Keywords/Search Tags:Straightening, Finite element, Straight line guide, Abaqus
PDF Full Text Request
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