风管加工中什么占多数?
What accounts for the majority in air duct processing?
大部分是现在吵得沸沸扬扬的数螺旋风管了吧。在螺旋风管其长度等方面是要好于矩形风管：这是由于普通的螺旋风管，其正常长度是为3米到6米，而矩形风管其是为1米到1.5米，除此之外，螺旋风管的长度，还能够依照具体需求来定做，从其它方面来看，螺旋风管中的连接点，是能够很大程度上根绝的，由于其风管之间的连接，只用管接件，而矩形风管则需求双法兰体系。
Most of them are now noisy spiral tubes. The length of spiral air duct is better than that of rectangular air duct. This is because the normal length of ordinary spiral air duct is 3m to 6m, while that of rectangular air duct is 1m to 1.5m. In addition, the length of spiral air duct can be customized according to specific requirements. From other aspects, the connection points in spiral air duct can be eliminated to a great extent. Because the connection between air ducts, only pipe connectors are used, Rectangular duct requires double flange system.
相对于螺旋风管其出产制作能够获取批量化制作吗?
Compared with spiral duct, can it be produced in batches?
这个话，对螺旋风管是毫无其它疑问的，由于从如今来看，该风管的制作，已经获取了体系化和智能化，并且在质量控制上，也能够做到非常好，因而获取批量化制作，是毫无疑问的，还能够做到有好的产品质量。
There is no doubt about the spiral air duct. From now on, the production of the air duct has been systematized and intelligent, and the quality control can be very good. Therefore, there is no doubt that the mass production can be achieved, and the product quality can be good.
在咬口成型技术上，螺旋风管，是运用了怎样的技术：
In terms of bite forming technology, what kind of technology is used for spiral air duct:
螺旋风管的咬口成型技术，关键的是运用模具来进行完成的，由于其限制模具表面能够长时间保持不变，因而大大增长了风管的运用年限，并且，在其密封性能、连接强度与咬口紧密度上，也是有好的表现的。
The key to the biting forming technology of spiral air duct is to use the mold. Because it restricts the mold surface to remain unchanged for a long time, it greatly increases the service life of the air duct, and also has good performance in its sealing performance, connection strength and biting tightness.
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