Construction method of large-section through circular tube steel members

A construction method and technology for steel components, applied in the field of steel component production, can solve the problems of large consumption of materials, difficult to guarantee cutting quality and precision, low production efficiency, etc., and achieve reliable technology, improve construction precision and efficiency, and reduce manufacturing costs. Effect

Active Publication Date: 2017-11-24
THE FIRST CONSTR CO LTD OF CHINA CONSTR FIRST GRP +1
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Problems solved by technology

[0003] The purpose of the present invention is to provide a large cross-section intersecting circular tubular steel component and its manufacturing method, which solve the technical problems of large material consumption, difficulty in ensuring cutting quality and precision, and low production efficiency in traditional processing methods

Method used

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  • Construction method of large-section through circular tube steel members
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  • Construction method of large-section through circular tube steel members

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Embodiment Construction

[0040] This embodiment is a construction method for large cross-section intersecting circular tubular steel members. First, three-dimensional full-real modeling of circular tubular steel members is carried out, and then lofting is carried out, information is exported, cutting programs are compiled, and materials are cut using a fully automatic cutting machine tool. Then the steel plate is placed on the plate rolling machine, and the improved process is used for rolling, and finally the longitudinal seam welding of the round pipe steel member is carried out and the allowance is cut.

[0041] The construction method of the large cross-section intersecting circular tubular steel member includes the following steps.

[0042] Step 1: According to the structural drawings, first use Creo software to model the three-dimensional full-true model 1 of the round tubular steel member; establish a 1:1 full-real three-dimensional full-real model 1. In order to improve the lofting accuracy, th...

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Abstract

A construction method of large-section through circular tube steel members includes the steps of (1), performing three-dimensional full-simulation modeling on a circular tube steel member through Creo soft; (2), subjecting the three-dimensional full-simulation modeling to lofting and expansion; (3), importing 1:1 planar graph to Sinocam software to program a cutting process to acquire a steel plate cutting process file; (4), blanking accurately by a full-automatic cutting machine tool according to the cutting process file; (5), shaping by rolling the steel plates on a rolling machine; (6), subjecting the circular tube steel member shaped by rolling to the process of closing and longitudinal seam welding; (7), subjecting the welded circular tube steel member on the rolling machine to the process of rounding; (8), cutting off the length margin of the circular tube steel member. The cutting end is positioned at the opposite side of the one end of the through opening of the circular tube steel member. The construction method solves the technical problems that high consumption of materials is needed, it is difficult to guarantee cutting quality and precision, and production efficiency is low in use of the conventional processing method.

Description

technical field [0001] The invention belongs to the field of steel component production, and relates to a large cross-section intersecting circular tube steel component and a production method thereof. Background technique [0002] At present, most common intersecting round pipes are processed by intersecting wire cutting machines. This method is especially suitable for intersecting mouth cutting of finished round pipes. However, for the intersecting cutting of large cross-section circular pipes, the cut material is arc-shaped, which is difficult to reuse, resulting in large material loss, and the components need to be rotated on a large tire frame during cutting, and the cutting quality and accuracy are difficult to guarantee. In addition, the traditional steel plate is usually rolled by a symmetrical three-roller plate rolling machine. When unloading, it is necessary to pre-add a section of the remaining straight edge, which will be cut off after the steel plate is rolled ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 嵇雪飞钱沨沈培郝旭珍缪春燕李季瑛陆夏
Owner THE FIRST CONSTR CO LTD OF CHINA CONSTR FIRST GRP
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