Bush scrape preceded axis rotor axis and the housing correction, while adjusting the gap and the gap between the rear side of the shaft hole impeller shaft and housing between the air inlet to conform equipment technical documents regulations. Spindle and bearing assembly, equipment and technology should be required documents to be checked. Should be maintained between 0.03 to 0.04 mm in the bearing cap and bearing interference (measure the outside diameter of the bearing and the bearing inner diameter). Centrifugal fan casing assembly, should be the basis of the rotor axis alignment cabinet position and within the scope of the impeller inlet and the housing inlet axial and radial clearance between the high-speed ports to the device specified in the technical documentation while checking the anchor bolts are tightened. The gap value technical documents such as equipment not specified when centrifugal fans, axial clearance should generally 1/100 Sichuan centrifugal fan parameters, the radial clearance should be evenly distributed impeller diameter, and its value should be the impeller diameter of 1.5 / 1000 ~ 3/1000 (small diameter by whichever is greater). Seeks to adjust the gap smaller value, in order to improve efficiency of the fan. Between aerodynamic performance and structural (strength, technology) often contradictory, usually seize the main contradiction coordination to solve. This requires the designer to select a reasonable design programs to address the principal contradiction. For example: With the use of fans Chongqing sell different centrifugal fan, requirements are not the same, such as public buildings used for ventilation fan is generally used with, the most important requirement is generally a low-noise, multi-blade centrifugal fan has this Features; and requires a large flow is usually double-suction centrifugal fan type; for some high-pressure centrifugal fan, low specific speed, the relative proportion of generally higher leakage losses. Shandong FRP centrifugal fan | nagorye blower (certified) | centrifugal fan blower provided by the Shanxi nagorye limited liability company. Shanxi nagorye Blower Co., Ltd. (www.sxgfj.cn) is an industry leader in Shanxi Xinzhou, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In nagorye blower leadership with the staff warmly welcome all inquiries negotiations to create nagorye blower a better future.