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Wipro 3D
Defence

STFE Starting Nozzle

The Starting Nozzle is a critical component of Turbo Fan Engine. The engine has wide…

STFE Starting <span>Nozzle</span>

CATEGORY

Defence

MATERIAL

IN718

The defence industry is among the earliest adopters of Additive Manufacturing along with the Aerospace industry, in a myriad of applications State run defence agencies and private defence organizations are using AM in highly critical projects for missiles, fighter jets, customized equipment, handheld weapons, drones, respiratory gear, and much more. The defence logistics and product acquisition Th processes are already in the process of transformation with the help of relatively small and tactical AM centers deployed in army, naval and air force establishments. Perhaps the most impactful application of AM could be portable in-field AM centers deployed near conflict zones.

About the Project

The Starting Nozzle is a critical component of Turbo Fan Engine . The engine has wide ranging applications and is one of the initial set of Additively Manufactured components that is being integrated into the overall manufacturing plan of the Turbo Fan engine. The Starting Nozzle directs pressurized gas T produced by the pyro device into the engine shaft for a few seconds, when the STFE is started. The rotor gets initial momentum from the gas flow and starts rotating. Subsequently, the engine draws in air, the main fuel is injected and ignited, leading to a steady stage firing.

About the <span>Project</span>

AM Competencies Used

Post Processing
Post Processing

A series of well-planned operations were incorporated into the realization strategy. Special features were added during the build to support the pre-planned post pr processing operations.

Build Technology
Build Technology

The component has a complex geometry with internal flow channels and flow pipes, with certain features very critical to the functionality of the component. Build parameters and Orientation were optimized to ensure finish with predefined values, especially in areas with no line of sight, on the part was very critical for this project.

<span>AM Value</span> Addition

AM Value Addition

Improved Performance
Improved Performance

The flow features critical to the operation of the nozzle, were built with superior tolerances and surface finish using coordinated pre and post processing parameters.

Time-to-realize
Time-to-realize

Currently this component is manufactured through investment casting, which requires setup time and costs. This adds to the cycle time of realization of the component. Wipro 3D has delivered the components within 4-6 weeks

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