Sheet Metal Bending Parts

Technical requirements for sheet metal bending parts:
Bending 1. Bending () First check whether the punched products in the previous process are consistent with the drawings. When preparing for work, adjust and bend the machine strictly according to the drawings. (2) To achieve the three-none principle of no construction without drawings, no construction without review of drawings, and no construction without employment certificates. (3) The flatness tolerance of the formed board surface is 2mm, <2000mm, and the tolerance of 22000mm is 3mm-4mm. (4) The tolerance of length < 2000mm and width < 1200mm within 5 pieces of formed boards shall be controlled at +0.5mm, the tolerance of more than 5 pieces shall be consistent with the drawing, and the tolerance of 22000mm shall be +1mm. (5) It is advisable to control the angle of the close-fitting board at 88-89°, except in special cases (the best angle of the wrapped column is 88°). (6) The diagonal tolerance of the formed plate is +1mm (7) The non-standard parts of the formed plate must be fully inspected, and the standard parts must be subject to three inspection standards (three inspections are the first inspection, process inspection, and final inspection) ). (8) After the plates with special technical requirements are formed, they must be assembled and inspected. (9) The number of processed products should be recorded for easy reference. The number of boards with 60 small angles and more than 5 pieces should be bent and pressed by a bending machine. The tolerance of the size and angle is controlled within 1. 2 pairs of formed products should be handled gently and placed in the designated position. (3) Special personnel shall be responsible for the production of the model, and the dimensional tolerance shall be consistent with the dimensional tolerance of the drawing
The surface should be beautiful. 2. Welding 1 Construction shall be carried out after reviewing drawings, and welding shall be carried out in strict accordance with drawings. 2. Preliminary correction of the formed angle should be carried out before welding. During welding, it must be firm, no missing welding, less welding, desoldering, cracks, and full welding must be smooth and smooth. 3 After welding, whether it is a large angle, a small angle or 90°, the angle must be corrected. 4 Drawings require special welding and quality assurance. 5 The tolerance of welded fittings shall not exceed: 2mm. 6 The samples should be welded by special personnel and fully welded. 7 Spot welding must be done during assembly and welding of super large plates. 8. The plate after the groove is welded regardless of its length or shortness. 3. Roller arc (common for interior and exterior) 1 Carry out arc rolling strictly according to the radius required by the drawing 2. Pay attention to the direction of forward and reverse rolling when rolling arc. 3. The arc that rolls out must be smooth, and there must be no straight line. The radius of the roll out is preferably 10mm smaller than the actual radius. 4. Clean up the impurities on the rolled copper before rolling the arc. 5. When rolling the arc, gradually reduce the radius from the large radius to the radius required by the drawing, and do it from large to small or from small to large. 6 There should be no rolling copper marks on the surface of the well-rolled arc, and the radius should be pre-cut, welded, and after rough grinding, the required radius model should be straightened.

Q. How do we guarantee the quality?
A: Always a pre-production sample before mass production;
Always carry out final inspection before shipment;

Q. What services can we provide?
A: Delivery terms accepted: FOB, CFR, CIF, EXW, CIP;
Accepted payment currencies: USD, EUR, CNY;
Accepted payment methods: T/T, L/C, Western Union;

Q: Can you do custom designs and sizes?
A: Yes, ODM and OEM services are available.

Q: How long is your production lead time?
A: Goods will be finished within 15-35 days after sample confirmed.

Hot Tags: sheet metal bending parts, China sheet metal bending parts manufacturers, suppliers, factory, Custom Sheet Metal Enclosures, Sheet Metal Welding Parts, Sheet Metal Welding Parts, Custom Made Metal Parts,