Effect of process parameters on concentricity in CNC turning operation using design of experiment
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A major channel of machined components is produced by CNC and VMC machines. These machines have got specific capability to produce components meeting both the dimensional and geometric requirements. These requirements are to be met in order to meet the functional requirements of each component as a part of an assembly. This work is an effort in this direction, especially in the content of location control. Here, concentricity is taken as a response to be studied as a geometry of part. Greater attention is given to geometry in addition to the dimensional accuracy and surface characteristics of products by industries these days. In order to produce parts that are more functional and ensure ease of assembly, in this work, the design of experiment is carried out to investigate the effect of machining parameters on concentricity. How this concentricity behaves under the different combinations of machining parameters is the objective of this work. Experimental work carried out on mild steel (AISI 1020) work piece on a CNC turning center. The turning operation was performed on a mild steel round bar. AISI 1020 steel can be largely utilized in all industrial sectors in order to enhance weldability or machinability properties. It is used in a variety of applications due to its cold-drawn or turned and polished finish property. The current status and demands is that the specific requirements of geometrical and dimensional relation need to ensure better functioning of a part while assembling. Economic and efficient manufacturing is also required apart from creating a product that satisfies the customer more.Abstract
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