在风管生产的过程中，必须使用到各种类型的风管加工设备，这也是根据要生产的风管类型决定的。这些风管加工设备能否效率高的制作出高质风管，还是要事先做好设备检验工作。
In the process of duct production, various types of duct processing equipment must be used, which is also determined according to the type of duct to be produced. Whether these duct processing equipment can efficiently produce high-quality duct, or to do a good job of equipment inspection in advance.
1、确保设备部件的接缝都要严密不漏风；清洗系统风管内表面，必须平整光滑，严禁有横向拼接缝和管内设加固或采用凸棱加固的方法。
1. Ensure that the joints of equipment components are tight without air leakage; The inner surface of the air duct of the cleaning system must be flat and smooth, and it is strictly forbidden to have transverse joints and reinforcement in the duct or to use convex edge reinforcement.
2、风管咬缝要紧密、宽度均匀，无孔洞、半咬口和胀裂等缺陷。直管纵向咬缝错开；风管折角平直，圆弧均匀，两端平面平行无翘角，表面凹凸不超过10mm；风管与法兰连接牢固，翻边平整，宽度要大于6mm。
2. The biting seam of air duct shall be compact, uniform in width, and free from defects such as hole, half biting and expansion crack. The longitudinal seam of straight pipe is staggered; The bending angle of the air duct is straight, the arc is uniform, the planes of the two ends are parallel, and there is no warping angle, and the concave convex surface is not more than 10 mm; The connection between the air duct and the flange shall be firm, the flanging shall be smooth, and the width shall be greater than 6 mm.
3、风管法兰螺栓和铆钉的孔间距不要超过150mm，焊缝处不设螺孔，螺孔有互换性；不锈钢板和铝板风管表面没有很明显的痕迹，复合钢板风管表面不存在破损的情况。
3. The distance between the holes of the bolts and rivets of the air duct flange shall not exceed 150 mm. There shall be no screw holes at the welding seam, and the screw holes shall be interchangeable; There is no obvious trace on the surface of stainless steel plate and aluminum plate air duct, and there is no damage on the surface of composite steel plate air duct.
风管加工设备结构是否完好、功能是否齐全等，都是影响风管成型的重要因素。所以在生产之前就应该调试好，保证加工过程的顺利进行。
Whether the structure and function of the air duct processing equipment are in good condition or not is an important factor affecting the air duct forming. So before the production should be debugged to ensure the smooth processing.
风管，是用于空气输送和分布的管道系统。有复合风管和无机风管两种。复合风管以Durkduct风管为代表。可按截面形状和材质分类。风管制作不锈钢风管制作是在咬口缝、铆钉缝、法兰翻边四角等缝隙处涂上密封胶（如中性玻璃胶）。涂密封胶前应表面尘土和油污。按截面形状，风管可分为圆形风管，矩形风管，扁圆风管等多种，其中圆形风管阻力小但高度尺寸大，风管加工制作复杂。所以应用以矩形风管为主。按材质，风管可分为金属风管，复合风管，高分子风管。
Air duct is a pipe system used for air transportation and distribution. There are two kinds of composite duct and inorganic duct. The composite duct is represented by durkduct duct. It can be classified by section shape and material. The production of stainless steel air duct is to apply sealant (such as neutral glass glue) on the seam of undercut seam, rivet seam and flange flanging. Dust and oil on the surface shall be removed before applying sealant. According to the cross-section shape, the air duct can be divided into circular air duct, rectangular air duct, oblate air duct and so on. Among them, the circular air duct has small resistance but large height and size, and its processing is complex. So the application is mainly rectangular duct. According to the material, the air duct can be divided into metal air duct, composite air duct and polymer air duct.
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