Study On Thermal Growth Effect On Machinery Alignment

Saiful Bahari, Hamzah (2009) Study On Thermal Growth Effect On Machinery Alignment. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Shaft alignment is a technical skill that requires expensive measurement instrument and calculation capabilities. Shaft alignment is very important to maximize equipment reliability and longer life span, because misalignment introduces a high level of vibration by moving part creates friction that built up heat causing the machinery housing to expand and need for frequently repair. This expansion called thermal growth factor. By neglecting the thermal growth factor, alignment process will be simpler but unsatisfactory result will be introduced and for short time misalignment symptom will appear. This show that the relationship thermal growth with shaft alignment very closely. For observation, the value of vibration data was used based on machine classes by compared ISO 2372 standard. From the vibration severity, can knowing the machine “healthy” .Any different indicated before and after thermal growth factor was taken. In shaft alignment technique, reverse dial indicator method was used by solving using two type of technique, graphical modeling solving and mathematical solving.

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