FIELD: process engineering.
SUBSTANCE: invention relates to production of gas turbine engine low-pressure blading wherein blades have inner cavity to accommodate gas detectors or to communicate therewith. Blade 1 has opening 9 made in its wall to allow flow of gases from gas turbine low-pressure area inside said inner space and to accommodate gas detector. Proposed method comprises fitting the core into the mould shaped to blade inner cavity and pouring fused metal therein. Core for every opening 9 communicated with blade inner cavity is provided with ledge penetrating through mould inner surface to make a sole element for retaining the core in said mould.
EFFECT: higher quality of blades.
8 cl, 7 dwg
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