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Installation and assembly requirements for centrifugal fans and blowers
Oct 27, 2018

The installation of the integral unit of the centrifugal fan and the blower should be placed directly on the foundation and leveled with the pair of inclined horns. The centrifugal fan on the site should be properly protected and should not be rusted or Operation, when the base is placed on the foundation, apply the pair of diagonal horns to level.

The base of the centrifugal fan and the blower and the bearing housing need to be tightly combined. The horizontal non-leveling should not exceed 0.2/1000. The level should be measured on the main shaft. The horizontal non-horizontal bottom should not exceed 0.3/1000. Use the level in the level of the bearing housing. Measurement on the facet. Before the bearing is scraped, the rotor shaft line and the shaft axis of the casing should be corrected first, and the gap between the impeller and the inlet and the gap between the shaft and the shaft hole of the rear plate of the casing should be adjusted to meet the technical documents of the equipment. Provisions.

When assembling the main shaft and bearing bush of the centrifugal fan and blower, it is necessary to check according to the technical documents of the equipment. The bearing cover and the bearing bush should maintain an interference of 0.03~0.04 mm (measure the outer diameter of the bearing bush and the inner diameter of the bearing seat). ). When assembling the fan casing, the position of the casing should be corrected based on the rotor shaft line and the axial and radial clearance between the impeller inlet and the casing inlet should be high-speed to the range specified in the equipment technical documents. Also check that the anchor bolts are tight.

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