Structural steel buildings offer advantages such as light self-weight, high utilization of the building, excellent seismic and wind resistance, and a long construction period. Structural steel buildings account for a significant proportion in prefabricated construction. Below, we share the processing methods and techniques of steel structures to provide a deeper understanding and learning experience of the steel structure production process.
Material Selection
Based on the design drawings and the client's requirements, select steel, fasteners, coatings, etc.
Pattern Cutting
Measure all components' geometric dimensions according to the construction drawings.
1. Prior to pattern making, the pattern maker must be familiar with the construction drawings and technical requirements, inspect the geometric dimensions and connections of the components, and ensure there are no improper connections at the joints. If any omissions or errors in the construction drawings are found, or if changes are needed for other reasons, the original design unit must provide a signed design change document; unauthorized modifications are prohibited.
2. The steel ruler used for layout must be inspected by a legal metrological unit and cross-checked with the steel ruler used for civil construction and installation. Measurement dimensions should be calculated in sections; the total length should not be added after section measurements.
3. Patterns should be laid out on a flat layout table. For enlarged sample components, the actual samples should be produced in a 1:1 ratio; when the component parts are large and it is difficult to make strips and patterns, a cutting diagram can be drawn.
4. The material for sample rods and templates must be straight; any bends must be corrected before use.
5. When producing prototypes and sample machines, various processing symbols, reference lines, and center marks for eye holes should be made according to the construction drawings and component processing requirements. Pre-set various processing allowances as per the process requirements, then number them. For printing and other markings, use enameled (or other materials) to write engineering, component, and part numbers, part specifications, hole diameters, quantities, and related symbols on the sample rod and sample board.
6. Pattern work completed; conduct self-inspection on the enlarged samples and pattern bars (or cutting diagrams). Report to the dedicated inspector for inspection upon confirmation of no errors.
Samples and prototypes should be categorized by part number and specifications for storage.
