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Steel structure processing and manufacturing process:
1. The blanking drawing sheet. This process is the material inspection part, and its content includes the confirmation of the selected model and specifications of the project and the quality inspection of the material.
2. Stakeout and numbering ① When setting out and marking, the assembly mark, screw hole mark, position direction of the reinforcing plate, inclination mark and center line, reference line and inspection line should be clearly marked, and the template should be made if necessary. ②Pay attention to the reserved production, welding shrinkage allowance during installation; cutting, edge planing and milling machining allowance; installation reserved size requirements. ③Before marking, the bending and deformation of the material should be corrected.
3. Blanking: The steel plate is blanked by a CNC multi-head cutting machine, but the rust and dirt on the cutting surface should be removed before blanking to keep the cutting parts clean and flat. After cutting, the molten slag and splash should be removed , The operator is proficient in the use of mechanical equipment and operating procedures to adjust the best values of the best parameters of the equipment.
4. Assembling and forming Before assembling, the deformation of steel should be corrected, and within the control deviation range, the contacting rough surface should be free of burrs, dirt and debris to ensure that the assembly of components is tightly integrated and meets the quality standards. Appropriate tools and equipment, such as right-angle steel rulers, should be provided during assembly to ensure sufficient accuracy after assembly. The equipment used is a Z12 section steel assembly machine.
5. Welding: ①The equipment used in this process is a portal type automatic submerged arc welding machine. ② Welding process: Welding steel columns and steel beams is welded by portal automatic submerged arc welding; the ribs and connecting plates of column beams are welded by hand. The use of portal automatic welding should meet the following two points: (1) After welding, the rust, burrs and dirt within the range of 30-50mm from the edge of the welding must be removed to reduce the factors that cause welding pores and other defects. (2) The starting arc plate should be of the same material as the base material, the welding groove form should be the same, and the length should meet the standard requirements; the manual arc should meet the following requirements: the use of a well-functioning electric welding machine, the selected electrode needs to be baked Dry box for drying.
6. Hole making
7. Straightening section steel ①Using equipment: flange straightening machine ②Process requirements: the operator is familiar with the process content and familiar with the equipment operating procedures. After the correction is completed, self-inspection should be carried out, and the allowable deviation conforms to the relevant "Code for Construction and Acceptance of Steel Structures" Regulations. To
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Our Advantages
Steel grating is a kind of economic, practical and beautiful steel structure plate, which is widely used in industrial plants, municipal engineering, roads and bridges, traffic facilities and other fields. As a professional steel grating manufacturer, we have the following corporate advantages:
Rich production experience:
we have many years of experience in the production of steel grating, skilled in all kinds of production processes and technical points, to ensure stable and reliable product quality.
Advanced production equipment:
we have introduced advanced production equipment and technology at home and abroad, which can produce high quality steel grating products in line with international standards.
Perfect quality management system:
we have established a perfect quality management system and strictly implement ISO9001 quality management system to ensure stable and reliable product quality.
Diversified product specifications:
We produce steel grating with rich specifications, which can meet the needs of different customers, and we can also customise special specifications according to customers' requirements.
Competitive price:
We have our own production factory, which can directly control the production cost and ensure the competitive price.
Timely after-sales service:
we have established a perfect after-sales service system, which can deal with customers' complaints and problems in time to ensure customer satisfaction.
Good reputation and word of mouth:
Over the years, we have been adhering to the business philosophy of "honesty and trustworthiness, quality first, customer first", which has won the trust and praise of customers.
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