Additive Manufacturing in India Aerospace Manufacturing and MRO Industry: Challenges and Opportunities

The present business model of India’s aerospace manufacturing and maintenance repair overhaul industry is discussed. The advantages and possible adaptation of additive manufacturing (AM) in aero engine development are discussed elaborately. The various manufacturing process available are highlighted. The present scenario of research and development of AM specific to India’s aerospace industry are explained. The practical challenges in adapting to AM in hot end and cold end components of propulsion gas turbine are identified. The opportunities in development of India’s unmanned aerial systems are highlighted. The availability of printing machinery, raw materials and industry initiatives are discussed. The challenges in convincing the customers and certifying agencies and the need for coordinated effort in formulating an efficient policy framework in the immediate future are highlighted. Ongoing research in development of raw materials suitable to AM and the challenges ahead of Indian metallurgist are discussed. The various government incentives available for aerospace manufacturers are discussed. The adverse impact on environment and occupational hazards to the personnel working in AM are highlighted. The importance of cyber security for digital manufacturing and possible solutions are also discussed. The limitations and constraints of AM are highlighted. The possible implications of AM on existing industry eco system, outsourcing and supply chain are discussed. The need for coordinated participation in research, development and implementation among industry and institutions are also presented. Suggestions for creating awareness among the manufacturers, effective and gradual implementation of AM are presented. © 2022, The Institution of Engineers (India).