August 30, 2021The spiral duct machine is a machine for producing spiral ducts. Spiral ducts, also known as spiral seam thin-walled ducts, were first used in the military industry of Western countries, such as warsh...view
February 2, 2021Pay attention to sealing when producing air duct production line. The condition of the air ducts in industrial production is self-evident. Many people have a certain understanding of the use of pipes ...view
November 6, 2020Anhui Blackma Heavy Industrial Machinery Co.,LTD., has 16 years of machinery manufacturing experience. It is located in Dongcheng Industrial Park, Bowang District, Ma'anshan City, China. It focuse...view
February 15, 20221. What principles should be followed when using the spiral duct machine?One is the principle of average force, so that under the condition of average force, the balance of wear can be effectively gua...view