Review of Multi-level Sand screening Machine and Analysis of Vibration mechanism

Mechanical Engineering

Construction of buildings requires sand as an important ingredient Sand is used at different stages in construction right from the foundation to the finishing work i.e. plaster. This sand is needs to be screened properly for various stages in construction, i.e. size of sand for construction work is slightly coarse whereas that used for plaster work is fine. Conventionally screening is normally done manually using fixed screens or machines This manual process time consuming and laborious takes a lot of time and cost. It is also observed that the conventional machine prove of no or little help as the sand needs to be manually transported and material handling takes place twice to get different sizes of sand. The paper reviews a few machines and research in the same area then goes onto show the need and utility of an multi-screen machine for fully automatic multi-level screening and automatic vertically transportation with help of vertical screw conveyor mechanism. The critical part of the multi-level screening machine is the vibration mechanism and the input shaft and connecting rod of this mechanism for the given system power have been designed and analysis using Ansys work bench 16.0 has been done to prove the part safety.

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