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Shangyu Yucai Fan Manufacturing Co., Ltd. and other brand fan comparative advantages

1, the overall dynamic balance

        General fan impeller dynamic balance after eccentricity is tens of microns. Impeller and shaft with contour gaps, such as general clearance of hundreds of microns; fan shaft and the dynamic balance exists deflection difference, also will cause new pulley eccentric; general equilibrium level is low, to the fan shaft, also introduce new imbalance; so the dynamic balance level is far lower than the wind wheel dynamic balance grade, vibration must be great.
        Yucai fan support, for dynamic balance, can effectively solve the above problem, dynamic balance grade G2.5, higher than the national standard.

        Dynamic balance can also be detected fan bearing mounting bad, prevent the early failure of bearing

2, bearing installation version

        General bearing pedestal installed version is made of thick steel strip, due to the long strip is bent and deformed, uneven under natural condition is matched with a bearing surface, soft feet or a larger gap; bolt rigid bearing deformation, bearing seat in the horizontal or vertical direction is changed into ellipse, the bearing go gap small in a relatively short axis position upstream, the ball after extrusion, which is one reason why damage the bearing fan common.
        Bearing seat deformation, also caused vibration noise.
        Yucai fan base bearing installation plate during the welding is completed, for processing, ensure the plane matching accuracy, which is generally manufacturers cushion square type incomparable

3, a fan shaft
        Fan many manufacturers using C40 or C35 steel cold-drawn axis, or car grinding without any treatment, shaft strength is low, a larger degree of disturbance. Easy to cause the vibration times frequency, serious or even cause broken shaft.
        Yucai fan using 40Cr, by car, quenching and tempering heat treatment, grinding materials, high strength, small deformation.
4, wind chassis surface quality
        Yucai galvanized plate by Baosteel No zinc flower galvanized sheet, the company has production lines of Kaiping, covering protection of fan volute, box and other large size plate, the plate surface without scratches, the appearance of beautiful, and through several parallel beading machine for pressing, the strength greatly increased.
the case wall thickness is 25, 40mm, ventilation cabinet made of flame retardant 25mm silencing cotton production process, with the chassis using silencing layer structure of 50mm fire, its internal porous plate, flame retardant silencing cotton, glass fiber cloth, sound deadening effect obviously, wall stiffness, in silencing also take into account the fire fire

6, the impeller
        Abandoned the old methods of domestic manufacturers has used, blank template material uses the rough leaves, artificial positioning method of welding or riveting hub and blades, the impeller after forming the blade angle deviation is too large, directly affects the efficiency and noise.
        Yucai blade according to the principle of aerodynamics, the multi-objective optimization design and. Wheel hub adopts stamping forming. Connecting impeller and blade by profiling positioning riveting or welding, installation angle, small deviation at. Each impeller by static and dynamic balance check
The 7 belt pulley
        Yucai fan using the new European cone pulley, compared the consistent use of ordinary leather wheel, which is of simple structure, convenient installation, does not need the axial positioning, cone sets the principle, installation and reliable transmission, 100% balance before delivery, do small vibration, low noise, life is guaranteed for 5 years
8 valve
        Manufacturing Yucai valve used riveting process of galvanized plate, galvanized plate of raw materials used in Baosteel No zinc flower galvanized plate, materials by cutting, bending, riveter riveting, from parts to the whole molding without welding and spray treatment, compared with the old welding process using cold-rolled plate, galvanized plate material, resistance corrosion resistance is much higher than that of cold rolled plate painting, can guarantee the life does not rust, corrosion; body all punching, dot riveting, accurate size specification, beautiful appearance; the advantages of galvanized plate riveted valve has simple and reasonable structure, low leakage, low friction torque, low noise, flexible operation, good rigidity, convenient installation, leaf appearance, the variety is complete, the provisions of its performance and parameters of the indicators have reached the standard of JB/T7228-94. Can be widely used in industrial and civil air conditioning and ventilation system, to achieve the precise control of air objective.
9, bearing installation
        Most manufacturers of wind machine with each installation by industry, technical level of each person is different, the quality is not stable; Yu fan using the assembly line, the person responsible for the bearing adjustment installation, stable quality
10, aluminum roof fan
        Production process of domestic manufacturers lack of mold, often is used in welding process of manual, the appearance of rough, easy to produce welding stress, hairdryer, hood strength low, resulting in fan vibration increases, influence the use performance, in the factory must also paint handling, to cover the defect spot welding.
Aluminum Roof Fan Yu fan manufacturing, production line process using a set of mold, manufacturing, wind machine model 300-1000 large cap, cap, a base current collector in high precision die-casting die forming, forming parts of the outer surface appearance, no scratches, the factory no longer need to carry out surface painting
11, motor
        The fan motor is the power source, is one of the key point of fan performance, many domestic manufacturers in order to reduce fan quotation, reflects the price advantage, obtains the customer orders, motor and use the domestic low-end manufacturers, even use the refurbished motor, profiteering, directly affect the air quality, safety hidden trouble to the customer.
Yucai fan with fan motor production equipment and testing procedures are complete, and have passed ISO9001 and 3C certification, the main motor supplier: Shanghai people, Shanghai high speed motor explosion-proof motor, Zhejiang innovation motor and other domestic manufacturers.
12, the selection of matching
        General domestic manufacturers in the matching selection, rarely consider the pressure loss of the big box, provided the outside pressure is fan bare-metal machine outside pressure, the actual provision of low pressure, large air volume in a large pressure loss; sometimes with a small motor power;

        Yucai fan and then matching selection, give full consideration to the box body and the filter pressure loss, ensure the fan actual use efficiency.


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