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10-10-2012, 02:22 PM

i want full seminar on hybrid maching,with some details within 25 pages.

i want ppt on hybrid machining within 25 slides.

jaseela123d · 09-03-2017, 12:33 PM

Hybrid manufacturing processes are based on the simultaneous and controlled interaction of process mechanisms and / or energy sources / tools that have a significant effect on process performance. There are several examples such as laser assisted cutting, vibration assisted grinding and grinding hardening. Hybrid processes have a great influence on machining characteristics, resulting in greater machining, reduction of process forces and wear of tools, etc. Due to the combined action of the processes, it also has a significant positive or sometimes negative effect on the surface integrity of the machined parts. This key note / summary document first gives a definition and classification of hybrid processes. The following describes the principles and applications of some common hybrid processes, highlighting the effects on surface and sub-surface quality. The paper draws heavily on the results of an ongoing working group within the International Academy of Production Engineering (CIRP).

Advanced engineering materials, among others, fiber reinforced compounds, superalloys and ceramics, offer superior thermal, physical, chemical and mechanical properties in the form of better strength, higher weight-volume ratio, improved corrosion and wear resistance, to name a few. few. These properties have allowed the design of products with better properties but have also made these advanced materials difficult to machine through conventional machining processes, thus making them inadequate and unprofitable. Complex 3-D shapes, tight tolerances, sharp surface finishes and stringent design constraints have required the investigation of new machining methods capable of processing advanced materials difficult to machine in an economical and accurate manner. The basic idea behind a hybrid machining process is the synergistic combination of constituent machining processes in order to overcome their individual defects and achieve an effective removal of the material. This chapter has summarized some important aspects of the literature on hybrid machining processes. Machining processes are generally classified into mechanical, thermal, chemical and electrochemical processes based on their dominant material removal mechanism. Work principles and mechanisms have been discussed to materially eliminate existing hybrid processes and their capabilities. It is observed that the complex physicochemical, electrical, thermal and mechanical interactions associated with the hybrid machining processes have not yet been fully understood, and there is a knowledge gap due to the unresolved problems.

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