How to Correct Deformation of Cold Drawn Flat Steel

Cold drawn flat steel is a method that uses cold extrusion technology and then draws out various types of high-precision steel through dies while maintaining a smooth surface. Cold drawn flat steel has a wide range of applications, including machinery manufacturing, light industry, etc., as well as standard parts, bicycles, cars, motorcycles and other transportation vehicles, as well as machinery manufacturing.

For the cold drawing technology of cold drawn flat steel products, their appearance is very smooth, the labor skills are very delicate, and a layer of oil film will be found on the surface of the material by accepting the cold drawing flat steel products provided by the manufacturer. It should be noted that the oil film on the surface of the flat steel is actually anti-rust oil, because the antioxidants of the oil have color, making the board not very bright. In general, the cold drawn flat steel semi-finished products from the cold drawn production workshop have relatively low anti-corrosion capacity.

In addition, the water in the air is easy to oxidize, the surface exposed to the air will be oxidized, even if stored in a ventilated and dry place, after a period of time will rust, if the anti-rust film is broken during transportation or washed by rain, it is also easy to oxidize. In order to further extend the oxidation resistance time and service life, the cold drawn flat steel is added to the anti-rust oil application step before leaving the factory, for the cold drawn flat steel, not only needs to have a high enough temperature and tensile strength.

Cold drawn flat steel is a kind of steel that is more common in daily life, and the use is also more common. However, when we use cold drawn flat steel, we may encounter the problem of deformation, which may be caused by storage uncertainty, or other external factors. In any case, in order to save costs, we must find a way to correct the deformation. So how to correct it specifically?

Correction of bending deformation of flat steel. Use a sledgehammer to correct the Angle steel Put the cold-drawn Angle steel on the straightening rack. One or two people hold the end of the Angle steel according to the length. The other person uses a sledgehammer to hit the vertical edge surface of the cold-drawn flat steel and the position surface of the Angle bar. According to the bending and turning changes of each surface of the cold drawn flat steel and the position of the hammer, the hammer handle should be slightly raised or lowered when the sledgehammer hits each surface of the cold drawn flat steel. The high and low Angle between the hammer surface and the cold drawn flat steel surface is about 3°-10°. In this way, the sledgehammer has a pushing and pulling force on the cold drawn flat steel to maintain the balance of the center of gravity when the cold drawn Angle steel is stressed, so as not to overturn the cold drawn Angle steel and avoid the phenomenon of shaking hands.

Correction of Angle deformation of cold drawn flat steel. When the Angle deformation is corrected, it can be made into a 90° Angle concave and convex mold and corrected by mechanical pressing and roof method. A small amount of Angle local deformation of cold drawn flat steel can be carried out together with straightening. When the Angle is greater than 90°, the side of one limb stands on the plane and directly hits the side of the other limb with a sledgehammer so that the Angle reaches 90°. When the Angle is less than 90°, place the internal Angle upward and vertically on a plane, place the appropriate Angle hammer or hand hammer on the internal Angle, and hit with a sledgehammer to expand the Angle to 90°.

About the correction method of cold drawn flat steel, I hope to provide you with help and solve the problem for you. If you need to order cold drawn flat steel, please contact us. Our product quality and after-sales service are the best.