What are the common bending forms of steel structure materials?

According to the structure and process requirements of the parts of the steel structure processing material, the notch bending is called the notch bending, and the non-notch bending is required for the bending of the section steel.

In order to improve the utilization and training rate of materials on steel (including steel plate and section steel), the parts are always close to the edge of the steel plate to leave a certain machining allowance. If the number of parts to be manufactured is large, it is necessary to consider how to arrange the steel plate to be reasonable, that is, to use materials reasonably. The common bending forms of section steel grades have the following aspects:

For workpieces that need to be hot-processed, there is often a machining allowance on the blank, so that after the workpiece is heated, a second number of materials can be performed and the solid material line can be drawn. Generally, the second number material is to directly spread the template on the processed workpiece, mark the actual material position according to the template, and mark the cutting line such as sample punching, or leave the processing allowance for the first number material, and re-mark the second number material .

Guangxi steel structure processing materials are bent inside and outside. When the radius of curvature is inside the angle steel (or channel steel), it is called internal bending. When the radius of curvature is outside the angle steel (or channel steel), it is called outside bending. I-beam has no outside bending. The points of bending and inward bending.

Flat bending and vertical bending of steel structure. When the curvature radius and the web of I-beam (or channel steel) are in the same plane, it is called flat bending. When the radius of curvature is the same as that of the web of I-beam (or channel steel), it is called flat bending. The bending when the plate is in the vertical position is called vertical bending. Angle steel has no flat bending and vertical bending.

In short, for some steel structure parts, when there is a need to leave a margin during the assembly process, the secondary number of materials is often carried out according to the sketch or sample bar, leaving a certain amount of assembly margin.

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