Deflection angle and space point location extraction method for air film cooling hole machining

Deflection angle and space point location extraction method for air film cooling hole machining

The invention relates to the technical field of non-traditional machining, in particular to a deflection angle and space point location extraction method for air film cooling hole machining, and the method comprises the steps: creating a special-shaped hole intersecting line of a special-shaped hole...

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Hauptverfasser: CAO PEIYAO, LI YONG, TONG HAO
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator CAO PEIYAO
LI YONG
TONG HAO
description The invention relates to the technical field of non-traditional machining, in particular to a deflection angle and space point location extraction method for air film cooling hole machining, and the method comprises the steps: creating a special-shaped hole intersecting line of a special-shaped hole and a special-shaped block electrode on a blade profile of a turbine blade design model, and obtaining a straight hole inner surface and the special-shaped hole intersecting line; cylindrical surface axis sections of the inner surfaces of the straight holes are extracted, and fitting curved surfaces of intersecting lines of the special-shaped holes are obtained through profile fitting; and obtaining coordinates of an intersection point of the axis section of the cylindrical surface and the fitting curved surface, determining a space point location of the air film cooling hole of the turbine blade according to the coordinates of the intersection point, calculating a deflection angle of the air film cooling hole acc
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Deflection angle and space point location extraction method for air film cooling hole machining
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