Mushroom-root/T-root Rotor Blade
Category:
Product detail
The typical Mushroom root is often designed with a 3-serration structure, and the assembly clearance between the root and the wheel bottom is zero. This structure allows for a more even load distribution between the root and the wheel compared to the common T-root, thereby reducing local stress concentration. At the same time, although the curved surface of the serrations has stress concentration zones, it can be adapted to high-load operating conditions through rational structural design. The tolerance of the Mushroom-shaped teeth must reach a precision of 0.003mm. During inspection, gauges and positioning fixtures must be used to confirm the contact fit of the tooth surfaces, requiring a "Light-tight" standard to ensure stability and transmission reliability after assembly.
Application
Suitable for the last few stages of the Low Pressure (LP) cylinder in medium-to-large turbines. For example, it has been used in the last two stages of the Low Pressure(LP) cylinder in 150MW ultra-high pressure units. It is especially suitable for high-speed industrial turbines with speeds of 2800 - 6600 r/min, such as the Governing Stage, Pressure Stage, and Last Stage of Boiler Feedwater Pump Turbines (BFPT). It is also used in Nuclear Power units, such as the HP rotor stages 9-10 and LP rotor stages 11-13 of CANDU units.
Mushroom-root/T-root Rotor Blade
Category:
- Description
- 产品优势
- 工艺流程
- 技术参数
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Product detail
The typical Mushroom root is often designed with a 3-serration structure, and the assembly clearance between the root and the wheel bottom is zero. This structure allows for a more even load distribution between the root and the wheel compared to the common T-root, thereby reducing local stress concentration. At the same time, although the curved surface of the serrations has stress concentration zones, it can be adapted to high-load operating conditions through rational structural design. The tolerance of the Mushroom-shaped teeth must reach a precision of 0.003mm. During inspection, gauges and positioning fixtures must be used to confirm the contact fit of the tooth surfaces, requiring a "Light-tight" standard to ensure stability and transmission reliability after assembly.
Application
Suitable for the last few stages of the Low Pressure (LP) cylinder in medium-to-large turbines. For example, it has been used in the last two stages of the Low Pressure(LP) cylinder in 150MW ultra-high pressure units. It is especially suitable for high-speed industrial turbines with speeds of 2800 - 6600 r/min, such as the Governing Stage, Pressure Stage, and Last Stage of Boiler Feedwater Pump Turbines (BFPT). It is also used in Nuclear Power units, such as the HP rotor stages 9-10 and LP rotor stages 11-13 of CANDU units.
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