专注通风管道加工·排烟罩

The production of spiral air ducts, as a new type of air duct construction process, has clear benefits: beautiful appearance, high strength, high level of mechanical automation, fast processing and manufacturing speed, and can reduce equipment tasks, greatly increasing task power, etc. Since the emergence of a small number of prosperous countries, significant progress has been made in the processing quality of circular air ducts.

（1）外观质量高。成形后的风管内壁润滑，外壁流利；

(1) High appearance quality. The inner wall of the formed air duct is lubricated and the outer wall is smooth;

（2）风管强度大。由于外壁咬口构成的螺旋线棱筋均匀分布，起到一个均匀增强筋的效果，其单元强度大于粗浅咬口式风管；

(2) The strength of the air duct is high. Due to the uniform distribution of spiral ribs formed by the outer wall bite, it has a uniform reinforcing effect, and its unit strength is greater than that of the coarse and shallow bite type air duct;

（3）风管密封功能优胜。由所以机械加工，能减少酬劳操作掉误，保证风管严密，漏风量远小于现行规范规则值；

(3) Superior duct sealing function. Therefore, mechanical processing can reduce errors in compensation operations, ensure that the air duct is tight, and the air leakage rate is far less than the current standard rules;

（4）资料用量减少。由于螺旋式风管单元强度大于粗浅风管，故同类规范风管所用的卷材厚度能够减小一个型号，且风管节长比粗浅咬口式风管大，相同长度的风管节口数目清楚减少，加之选用无法兰联接，可节省许多原资料；

(4) Reduced data usage. Due to the strength of the spiral air duct unit being greater than that of the coarse and shallow air ducts, the thickness of the coil used for similar standard air ducts can be reduced by one model, and the length of the air duct section is larger than that of the coarse and shallow bite air duct. The number of air duct sections of the same length is clearly reduced, and the use of flange free connections can save a lot of raw materials;

（5）加工速度快、精度高。由所以机械流水线加工，可不受功课手技能程度约束，对行进风管加工质量非常有利。

(5) Fast processing speed and high accuracy. Therefore, the mechanical assembly line processing is not constrained by the skill level of the operator, which is very beneficial for the quality of the air duct processing.

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