2.1 What is the benefit of using investment casting for the production of a turbine rotor compared to other casting processes? 2.2 Which AM materials and processes (according to the ISO/ASTM 52900 standard) is mostly used during the manufacturing of patterns for the investment casting process? List the advantages and disadvantages of each of the AM processes. 2.3 What are the advantages and disadvantages of using AM techniques to produce patterns for the investment casting process, compared to conventional methods?
2.1 What is the benefit of using investment casting for the production of a turbine rotor
compared to other casting processes?
2.2 Which AM materials and processes (according to the ISO/ASTM 52900 standard) is
mostly used during the manufacturing of patterns for the investment casting process?
List the advantages and disadvantages of each of the AM processes.
2.3 What are the advantages and disadvantages of using AM techniques to produce
patterns for the investment casting process, compared to conventional methods?
2.4 Show with a sketch, how the build orientation of the processes listed in Question 2.2
can have an influence on the accuracy and surface quality of a pattern.
2.5 Which manufacturing process (listed in Question 2.2) will be most suitable to produce
a pattern for the turbine rotor? Provide reasons for your selection.
2.6 The use of additive manufactured patterns for the investment casting process are
being used more frequently in industry. Using this technology, comment on
production aspects such as cost savings, human resources, production rates, quality,
and repeatability of patterns, as well as possible risks associated with the
technology? Provide reasons for your statements.
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