High-precision end face control process forsteel member

Abstract

The invention provides a high-precision end face control process for a steel member, and relates to the technical field of steel structure manufacturing and processing. The high-precision end face control process comprises the following steps of: correcting a large-section steel member needing to be subjected to end milling to ensure that each inspection size is within an allowable deviation range; performing three-dimensional scanning on the steel member by using a virtual and real equipment three-dimensional scanner, and acquiring a three-dimensional model; performing optimal fitting comparison on the theoretical model of the steel member and the actually scanned three-dimensional model by taking the main control size of the steel member as a main alignment mode; according to data obtained through the optimal fitting, determining the end milling amounts of eight angular points to adopt the end milling amounts as tool setting data during end milling; conducting all-directional posture adjustment before end milling of the steel member, performing end milling on a first face, and adjusting the feed amounts of four angular points of the end face to be consistent with the tool setting data; and performing the same end milling on a second face as the first face. According to the method, the modernized high-tech scanning measurement technology is utilized, the machining precision of the steel member is guaranteed, and the end milling reliability of the steel member is improved.

Description

technical field [0001] The invention relates to a high-precision end face control technology of a steel component, belonging to the technical field of steel structure manufacturing and processing. Background technique [0002] With the vigorous development of steel structure buildings, the requirements for machining accuracy are getting higher and higher, and the structure types are becoming more and more complex. In the production and processing of a type of large-section steel member with seamless top-tight connection, in order to ensure full contact between the end faces of the members, transmission The force is reliable, and the specification stipulates that the processing method of end face milling should be used for the end face treatment of components. When face milling, according to the process requirements, it is necessary to draw an accurate face milling line (end milling line) to ensure the accuracy of end milling. The traditional face milling has the following de...

AI Technical Summary

Problems solved by technology

When face milling, according to the process requirements, it is necessary to draw an accurate face milling line (end milling line) to ensure the accuracy of end milling. The traditional face milling has the following defects: the end milling machine moves according to the marking line, when The longer the steel member is, the slight deviation of the end milling angle will cause a large deviation in the size of the other end of the steel member

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