tip grinding turbine bucket

  • Grinding method for bucket tip of the turbine-rotor

    본 발명은 로터에 구비되는 버켓의 외측단에 결합되는 커버를 밀착 결합되도록 버켓의 출구측 선단면을 가공하는 가공방법에 관한 것이다. 이를 위하여 본 발명의 실시예에 따른 터빈로터의 버켓 외측단 가공방법은 전용지그에 양단이 걸쳐져 회전가능한 로터축의 외주면에 방사상으로 결합되어

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  • US9114496B2 Method of tip grinding the blades of a gas

    A method of grinding the tip of a blade which forms part of a rotor for a gas turbine engine is provided. The method includes mounting a plurality of blades in a disc to provide a blade assembly;...

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  • US20090014421A1 Weld Repair Method for a Turbine

    239000007789 gases Substances 0.000 claims abstract description 5; WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound; tungsten; 1; Plasma — — — — — — — — — — — — — — — — — — — — — — —.) Weld Repair Method for a Turbine Bucket Tip (en)

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  • Gas Turbine Engine Blade Tip Grinding DANOBAT

    Digital in process blade tip measuring system to ensure full control of the grinding process to optimize the size of each stage of the rotors. Machining operations. Precision grinding, de-burring and measuring the blade tips of finish assembled rotors. Lands, seals and angel wing measurements.

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  • [PDF] Simulation of the Effect of Bucket Tip Angle on

    The flow interaction in the rotating bucket of a pelton turbine influences the system power output. This work therefore sets out to investigate the effect of bucket tip angle on the power delivered to the bucket splitter. Simulation program was developed using Matlab to simulate the relationship between bucket tip angle, energy coefficient, bucket exit angle, and hydraulic efficiency to obtain an expression of power delivered to the bucket splitter. Research shows that at 3 bucket tip

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  • Simulation of the Effect of Bucket Tip Angle on Bucket

    Keyword: Pelton turbine, bucket splitter angle, bucket tip angle, energy coefficient, power. I. INTRODUCTION The high demand for a clean source of energy continues to increase as indicated by the increase in distributed generation technologies and adoption of renewable energy resources. Climate change and global warming have made renewable energy the most appropriate and fitting means of

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  • TURBINE BUCKET GENERAL ELECTRIC COMPANY

    A turbine bucket includes a leading edge, a trailing edge, a root portion, and a tip portion. The turbine bucket also includes one or more cooling passages extending through a body of the turbine bucket from an inlet to an outlet. The cooling passages are configured to route a cooling flow of fluid through the turbine bucket. The turbine bucket further includes a plenum defined within the tip portion to

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  • Gas turbine engine blade tip grinding Danobat machine tool

    mBTG-DANTIP High-speed Grinder for blade tips. Optimal dynamic stability and rigidity achieved by natural granite and cast iron machine structures. Temperature controlled enclosure to control the thermal stability during the complete process. Measurement can be either in-process or post process.

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  • mBTG-DANTIP High-speed blade tip grinder DANOBAT

    The DANOBAT mBTG and DANTIP machine series are for precision grinding, deburring and measuring the blade tips of finish assembled engine turbine and APUs rotors. These machines, designed and developed by Danobat grind the blade tips of the rotor while they are being spun at high speed, (up to 7000 rpm) thereby presenting the blades to the grinding wheel under the appropriate operating

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  • GAS TURBINES Welcome To Combined Cycle Journal

    Advanced Turbine Support technicians inspected all 92 first-stage tip caps on each of six engines in the early fall. Four units were fine, two had buckets with damaged tip caps. Checking first-stage tip caps adds about four hours, depending on findings, to a typical 10- to 12-hr engine inspection. Hoogsteden said bulging and material separation of the tip cap, and plugged cooling holes, are likely precursors of

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  • Grinding method for bucket tip of the turbine-rotor

    본 발명은 로터에 구비되는 버켓의 외측단에 결합되는 커버를 밀착 결합되도록 버켓의 출구측 선단면을 가공하는 가공방법에 관한 것이다. 이를 위하여 본 발명의 실시예에 따른 터빈로터의 버켓 외측단 가공방법은 전용지그에 양단이 걸쳐져 회전가능한 로터축의 외주면에 방사상으로 결합되어

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  • Gas Turbine Engine Blade Tip Grinding DANOBAT

    Gas Turbine Engine Blade Tip Grinding. High-speed blade tip grinding. 35 years of experience collaborating with main overhaul shops. Benefits; Technical data; Machines; State of the art solutions based on 35 years of experience collaborating with engine OEM and main overhaul shops. Digital in process blade tip measuring system to ensure full control of the grinding process to optimize the size

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  • [PDF] Simulation of the Effect of Bucket Tip Angle on

    The flow interaction in the rotating bucket of a pelton turbine influences the system power output. This work therefore sets out to investigate the effect of bucket tip angle on the power delivered to the bucket splitter. Simulation program was developed using Matlab to simulate the relationship between bucket tip angle, energy coefficient, bucket exit angle, and hydraulic efficiency to obtain

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  • Turbine Blades & Buckets Allied Dynamics

    Turbine blades, turbine buckets with complex serration machining and modified pin slots to reduce vibration and increase part life. Precision, super alloy investment castings developed for all row turbine blades, turbine buckets. Gas turbine blade, turbine bucket tip cutbacks to meet any modification requirements. Hydraulic fixtures and our state of art CNC machines can produce turbine blade

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  • Weld Repair Method for a Turbine Bucket Tip Sathian,

    Weld Repair Method for a Turbine Bucket Tip . United States Patent Application 20090014421 . Kind Code: A1 . Abstract: A weld repair method uses a gas tungsten or plasma arc welding torch and matching filler. An amperage supplied to the torch and a travel speed of the torch are controlled to produce a weld bead having a mushroom shape. The weld bead is ground from all sides to remove at least

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  • Rotadata

    All of our tip measurement systems are used for measuring tip clearance gaps between compressor and turbine blade tips and the engine inner casing. The ROTAGAGE rotor inspection system is used for measuring individual rotor blade radii on the production of gas turbine engines and compressors during the blade tip grinding process. High (in process) and low (offline) speed versions are available. The

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  • Precision HPT Blades Machining for Gas Turbine Assemblies

    High Pressure Turbine Blades & Buckets Precision CNC Machining Capabilities Applied/Processes. Primary: CNC Creep Feed Grind Root Form Sinker EDM Drill Cooling Holes (Round or Shaped) Fast Hole EDM Drill Cooling Holes (Round or Shaped) Laser Drill Cooling Holes (Round) Airflow Wire EDM Root End & Tip Radius CBN Grind Root Faces Sinker EDM Pockets (Tip or Pocket) Secondary:

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  • Gas turbine and method for reducing bucket tip shroud

    A bucket tip shroud in a gas turbine includes a seal rail having a cutter tooth at one end. Bucket tip shroud creep rate can be reduced by removing the cutter tooth from the bucket tip shroud seal rail after use or with a pre-groove honeycomb shroud. Preferably, the remaining geometry matches a geometry of the seal rail within a predetermined tolerance. Inventors: Urban, John P. (Greer, SC, US

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  • Gas Turbine Blades Innovative Stock Program Stork

    Stork supplies high-quality blades and components for all types of gas turbines. We work for and deliver to all major Original Equipment Manufacturers (OEMs), Independent Service Providers (ISPs) and end users. Innovative Stock-program. Stork Turbo Blading’s experience, modern manufacturing facility and extensive material inventory result in uncompromising speed in delivery. With our

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  • Turbine blade Wikipedia

    A turbine blade is the individual component which makes up the turbine section of a gas turbine or steam turbine.The blades are responsible for extracting energy from the high temperature, high pressure gas produced by the combustor.The turbine blades are often the limiting component of gas turbines. To survive in this difficult environment, turbine blades often use exotic materials like

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