What are the production processes for steel structure manufacturing and processing
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2021-11-09 10:29
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The processing and manufacturing process of building steel structures includes the selection of process flow, setting out, marking, cutting, correction, forming, edge processing, pipe ball processing, hole making, friction surface processing, end processing, component assembly, round pipe component processing, and steel component pre assembly.
1. Setting out: This includes checking the installation dimensions and hole spacing on the drawings, setting out nodes with a 1:1 large sample, checking the dimensions of each part, and making templates and sample rods as the basis for cutting, bending, milling, planing, hole making, and other processing.
2. Material marking: This includes checking and verifying materials, drawing machining positions such as cutting, milling, planing, and hole making on the material, punching, and marking part numbers. Attention should be paid to the following issues when marking materials: cutting according to the ingredient table and sample to save materials as much as possible; It should be conducive to cutting and ensuring the quality of parts; When there are regulations for the process, materials should be taken according to the regulations.
3. Cutting and cutting: including methods for high-temperature heat sources such as oxygen cutting (gas cutting) and plasma cutting, as well as methods for using machinery such as machine cutting, die cutting, and sawing.
4. Straightness correction: including mechanical correction and flame correction of profile steel straightening machines.
5. Edge and end processing: Methods include edge scraping, edge planing, edge milling, carbon arc air gouging, semi-automatic and automatic gas cutting machines, and groove machining.
6. Rounding: Machinery such as symmetrical three-axis rounding machine, asymmetrical three-axis rounding machine, and four-axis rounding machine can be selected for processing.
7. Simmer bending: According to different specifications of materials, machines such as steel rolling machines, pipe bending machines, and bending presses can be selected for processing. When hot working is used for forming, the temperature must be controlled to meet the specified requirements.
8. Hole making: including rivet holes, ordinary connection bolt holes, high-strength bolt holes, anchor bolt holes, etc.
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