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Turbine Blade FAQ

Frequently Asked Questions

JINYOUNG TBX manufactures turbine blades and related components for a wide range of turbomachinery used in power generation and industrial applications.

Our main product scope includes:
  • 1) Gas turbine blades & vanes (heavy-duty & industrial)
  • 2) Steam turbine HP / IP / LP & last-stage blades (LSB)
  • 3) Compressor blades, blisks and hot-gas-path components
  • 4) Repair, recoating and life-extension parts for existing fleets

To prepare an accurate quotation, we need sufficient technical and commercial information about the requested blades.

Typical information required:
  • 1) Turbine type & model (e.g. gas / steam, frame / output)
  • 2) Drawing or 3D model (if available) and material specification
  • 3) Quantity, delivery schedule and destination (INCOTERMS)
  • 4) New manufacture vs. repair / refurbishment scope
  • 5) Any special OEM, utility or site-specific requirements

Yes. In addition to new blades, JINYOUNG TBX offers repair, recoating and life-extension services for in-service components, depending on their condition and remaining life.

Typical repair-related services:
  • 1) Blade inspection and damage assessment
  • 2) Weld repair, tip restoration and profile recovery
  • 3) Stripping and re-application of protective coatings
  • 4) Dimensional control using CMM / airfoil measurement
  • 5) Engineering recommendations for life extension and replacement

All turbine blades are produced under JINYOUNG TBX quality and OEM systems, with defined inspection points from raw material to final release.

Typical QC / inspection items:
  • 1) Material certification and heat treatment records
  • 2) CMM / airfoil profile, chord, twist and platform measurements
  • 3) Surface finish, coating thickness and adhesion checks
  • 4) Visual, dimensional and fit-up inspection (root / shroud)
  • 5) Additional NDT (e.g. PT / MT) as required by customer or OEM

We work with a wide range of turbine-grade alloys and coating systems, selected according to turbine type, firing temperature and site conditions.

Typical options (project-specific confirmation required):
  • 1) Nickel-based superalloys for gas turbine hot-gas-path blades
  • 2) Martensitic / ferritic stainless steels for steam turbine blades
  • 3) Titanium and special alloys for long LSB and weight-sensitive parts
  • 4) Thermal barrier and oxidation / erosion resistant coatings
  • 5) Customer / OEM-specified proprietary materials and coatings

Yes. Using reverse engineering, we can reproduce blades when original drawings are missing or incomplete, subject to technical and contractual constraints.

Reverse engineering typically involves:
  • 1) 3D scanning and CMM measurement of sample blades
  • 2) Reconstruction of CAD models and drawings
  • 3) Material analysis (where feasible) and process definition
  • 4) Trial manufacturing and inspection alignment with customer
  • 5) Establishing a repeatable production and QC route

Lead time depends on turbine type, blade complexity, quantity and whether the order is for new manufacture or repair. As a general guideline, engineering-confirmed lead times are provided after technical review.

For planning purposes:
  • 1) Prototype / first article blades – typically several months
  • 2) Repeat mass-production lots – shorter lead times based on capacity
  • 3) Emergency / outage support – handled case-by-case with priority
  • 4) Shipments arranged under agreed INCOTERMS with export packing
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