Taiyuan Huaxin Cheng Electrical Equipment Co., Ltd. is a high-tech enterprise specialized in the design, development and manufacture of equipment Longitudinal spiral welded pipe equipment, cold-formed steel equipment, sheet and pipe finishing equipment and high-precision slitting line equipment. Taiyuan 华欣诚 for you to resolve common problems ERW unit machines also inevitable that goes wrong, hydraulic press, do not control or quality of the machine is that the problem itself, today rich Ruiwo on your comment about the frequency straight seam The pipe unit common problem: the induction coil, pouring molten electrode. First, both the induction coil or electrode, sometimes strong currents heat red-hot at the moment, if you do not close the high-frequency current output, it will be open seizure phenomenon occurs, causing other electrical accidents. The causes of the accident are: poor contact when poor contact will cause the circuit to poor conductivity, hydraulic machine factory direct, after local impact large current conductor will quickly heat up the burning arc. Parts such as screws holding fixed induction coil and electrode contacts loose hold-down plate or the like, will cause localized heating element burning tinder. Taiyuan Huaxin Cheng Electrical Equipment Co., Ltd. is a high-tech enterprise specialized in the design, development and manufacture of equipment Longitudinal spiral welded pipe equipment, cold-formed steel equipment, sheet and pipe finishing equipment and high-precision slitting line equipment. Taiyuan 华欣诚 you elaborate stainless steel pipe equipment corrosion reasons of how to extend the life of stainless steel equipment: stainless steel etching time, first in the high levels of caustic soda and sodium nitrate strong oxidants (220g / L) at 100 ~ 150 ℃ under immersion 20 ~ 30min, loose scale, then placed in cold water quenched. It may be immersed 60min at 8% ~ l2% aqueous solution of nitric acid. After the above treatment of stainless steel and then etched in acid. You can add a small amount of hydrochloric acid-based etching sulfuric acid, this method is low cost, easy to operate, but more surface residue. Hydrochloric acid, nitric acid may also be added, hydraulic press Which is good, good etching effect, but difficult to control. Nitric acid and hydrofluoric acid in combination treatment, the advantage is a good etching effect, but high toxicity. When we use the best means to have the exhaust. Huaxin Cheng production of stainless steel welded pipe equipment, high quality, long life, and the care it simple. Stainless steel welded pipe equipment, Huaxin Cheng most professional! Hydraulic machines offer _ Huaxin Cheng Electrical and Mechanical Services (certification) _ hydraulic machine provided by Taiyuan Huaxin Cheng Electrical Equipment Co., Ltd. Taiyuan Huaxin Cheng Electrical Equipment Co., Ltd. (www.tyhxc.com) (www.tyhxc.net) is Jinzhong, other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum to meet customer needs. In Huaxin Cheng electromechanical leadership with the staff warmly welcome all inquiries negotiations to create a better future Huaxin Cheng electromechanical.