INVESTIGATION OF NON-PLANNER ADDITIVE MANUFACTURING SYSTEM FOR SMOOTH SURFACE GENERATION AND STRENGTH IMPROVMENTS: A REVIEW

Mechanical engineering

The 3D printing (Additive Manufacturing) is an upcoming technology for layered manufacturing with distinct advantages. Various processes like FDM, SLA and SLS have been used to obtain desired results. Among these three processes FDM is far better than the other processes due to inherent material capabilities and low cost. Although there are few disadvantages of FDM process like surface finish of printed part, mechanical properties etc. Stair stepping effect reduce the surface quality of 3D printed objects, especially when the slope is close to horizontal. Previous researchers showed that nonplanar surfaces could reduce these effects. So, this can be eliminated by using non planner additive manufacturing process, that includes 3d printing of single layer with variation in dimensions of z axis for uneven surfaces of any object. The prime review is to identify different non-planner additive manufacturing system based on FDM process to identify the key process parameters that affect the non-planner additive manufacturing

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