Vibrations in Impeller of Centrifugal Blower
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Transportation: | Ocean,Land,Air |
Port: | Dalian,Manzhouli,Suifenhe |
Payment Type: | L/C,T/T |
Incoterm: | FOB,CIF |
Min. Order: | 1 |
Transportation: | Ocean,Land,Air |
Port: | Dalian,Manzhouli,Suifenhe |
Package Type | : | by requirements of the customer |
Vibrations in Impeller of Centrifugal Blower
Impellers are widely used in many centrifugal components of the nuclear and petrochemical industries. These applications requiring the high speed flow, small in size, low noise and low cost. In particular, these impellers are used majorly air flow applications. Hence, there is need of reduction of the noise, while using these impeller in such applications. The fluid kinetic energy generated by the impeller creates the pressure in whole system which causes the noise and vibrations. Centrifugal blowers having mainly two main parts, namely, casing and impeller. The impeller is often considered an integral part of the suction motor since its housings and the motor are assembled as a unit. The design of such impellers is important with balancing for noise reduction.
According to the structure, it can be divided into binary impeller and ternary impeller, and ternary impeller is divided into open ternary impeller or closed ternary impeller.
According to the purpose, it can be divided into compressor impeller, water pump impeller (nuclear pump), power generation impeller.
According to the material, it can be divided into: KMN, FV520B, Q345E, TC4, 06Cr13Ni5Mo, etc.
Manufacturing capacity:
Our company owns one Swiss-made Starrag ZT800 dual-station five-axis machining center and two American-made Hurco Vtxu five-axis machining centers. It has a complete production chain for reverse mapping, design and manufacturing of impellers of the following sizes.
NO. Name Processing range (diameter) 1 300mm-3500mm 2 300mm-1250mm 3 200mm-900mm
Commonly used impeller materials are as follows:
FV520B
C | Si | Mn | Cr | Ni | Cu | Mo | Nb | P | S |
0.04-0.07 | 0.3-0.7 | ≤1.0 | 13-14.5 | 5.0-6.0 | 1.3-1.8 | 1.3-1.8 | 0.25-0.45 | ≤0.03 | ≤P 0.03 |
Q345E
C | Si | Mn
| Cr | Ni | Cu | Mo | Nb
| S | P | V | Ti |
≤0.18 | ≤0.50
| ≤1.70 | 0.30 | 0.50 | 0.30
| 0.10
| 0.07 | ≤0.025 | ≤0.025
| 0.15 | 0.20 |
TC4
Ti | Fe | C | N | H | O | Al | V |
margin | ≤0.30 | ≤0.10 | ≤0.05 | ≤0.015 | ≤0.20 | 5.5~6.8 | 3.5~4.5 |
06Cr13Ni5Mo
C | Si | Mn
| Cr | Ni | Mo | S | P |
≤0.05 | ≤0.60 | 0.50-1.0 | 11.5-14.0 | 2.5-5.5 | 0.5-1.1 | ≤0.025 | ≤0.025
|
For a long time, our company has produced a large number of CNC machining impellers to serve various domestic industries. And some products are exported abroad.
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