Frame 7FA Parts Solutions

MD&A的圣安东尼奥服务中心,在框架7FA燃气零件修理和制造行业的领导者,可提供帧7FA部分,repairsandupgrades.

The facility has leading-edge equipment and repair techniques with proven expertise on multiple frame gas turbine hot gas path and combustion components.

Our enhanced gas turbine new parts use proprietary advanced technology. The improved designs of the components, based on extensive repair history of these OEM products, extend the service life by minimizing oxidation, creep and metal temperatures.

框架7FA.03 - 第一,第二,第三级桨叶

7FA.03 1st Stage Bucket Design Advantages:
•Trailing edge undercut to alleviate trailing edge cooling hole cracking
•冷却平台,平台的决心烧伤和开裂(报废领先第一阶段桶的原因)
•改善的冷却分布,以减少峰值金属温度
•Proprietary directionally solidified alloy and thermal barrier coating (TBC) system to provide improved creep and oxidation life
7FA.03 2nd Stage Bucket Design Advantages:
•显着的尖端罩蠕变寿命提高
•Cutter tooth is replaced with an abrasive rail coating
•Proprietary equiaxed alloy and TBC system to provide improved creep and oxidation life
•Improved fillet design to reduce stress
7FA.03 3rd Stage Bucket Design Advantages:
•显着的尖端罩蠕变寿命提高
•Cutter tooth is replaced with an abrasive rail coating
•Proprietary equiaxed alloy and a chromide coating system provide improved creep and corrosion life

Frame 7FA.03 - Nozzles and Shrouds

7FA.03 1st Stage Nozzle Design Advantages:
•全气体路径TBC以提高氧化寿命,减少翼型金属温度,并降低热梯度
•Improved airfoil to sidewall fillets to improve cracking resistance
7FA.03第二级喷嘴设计优势:
Full gas path TBC provides reduced airfoil metal temperature and eliminates fatigue debit from external aluminum coating
•Improved airfoil to sidewall fillets to improve cracking resistance
•专有合金提高抗蠕变,氧化寿命,并保持能力,焊补
过改变为310SS改进氧化•内膜片材料型高镍;更多的运营商在补焊方案友好
7FA.03 3rd Stage Nozzle Design Advantages:
过改变为310SS改进氧化•内膜片材料型高镍;更多的运营商在补焊方案友好
7FA.03 1st Stage Shroud Block Advantages:
•Made of commercially-available 310 stainless steel alloy
•Shroud block shoes are manufactured from a proprietary nickel alloy
•Shroud tiles are coated with a proprietary coating specially formulated to provide durability with abradability for improved tip clearance control with the 1st stage bucket
7FA.03 2nd Stage Shroud Block Advantages:
•市售海恩斯120的制造(AMS 5916)
7FA.03三期护罩块优点:
•Made of commercially-available 310 stainless steel alloy

Frame 7FA.03 - Combustion Parts

7FA.03过渡件设计优势:
•Improved impingement cooling air and hardface coatings
•在氧化寿命证明改进专有气路TBC
7FA.03 Combustion Flow Sleeve Design Advantages:
•304 stainless steel alloy that eliminates corrosion and pitting associated with carbon steel parts and improves oxidation lifes
7FA.03衬垫帽组件件设计优势:
•TBC涂覆的泻流板,以提高部件寿命
7FA.03 Combustion Liner Pieces Design Advantages:
在氧化寿命证明改进专有气路TBC
•Proprietary exterior coating system for improved oxidation life

Frame 7FA.03 - Compressor Hardware

R0 Compressor Blade
该刀片R0已重新设计,以解决与此组件正在进行现场问题。该设计由具有优异的耐腐蚀性和耐气蚀更高强度合金制成。设计的增强功能包括:
dovetail relief cut, compound fillet radii transitions, and airfoil tuning to provide superior blade design life.
S0 - S4压缩机叶片组件
S0 - S4压缩机定子叶片已经解开signed to address ongoing field issues. Design enhancements include: the fabrication of the shorter vane carrier in a non-corrosive alloy, relief slot in the vane carriers for ease of removal, elimination of shims, curved squealer tips to decrease leakage and non-uniform S0 and S1 vane spacing to mitigate R0 and R1 vibratory response.
S5 – S17, Exit Guide Vanes (EGV) Stator Vanes
所有的压缩机叶片的设计已经拱形(半径)基地,以符合压缩机外壳。该半径基本配置提供了有关部件的磨损更小。我们在水平接合部增加的叶片平台的宽度。这些叶片平台将在中断期间被加工,以适合的情况下,对于否定垫片的需要。

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请阅读我们的案例研究上7FA第二级叶片在我们的燃气轮机部件寿命延长诊所。

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