Plant Operations/Maintenance/conveyor belt

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Question
in conveyor system the belt is already tensed position while at installation.
but the take-up pulley tries to adjust the belt when the belt starts, what's the reason .

Answer
I'm not totally understanding your question or maybe the situation. However, I believe what you describe is due to the torque created at startup. At correct tension and without carry load, the belt is tightened to correct specification. At startup, the torque necessary to move the belt will transfer to the belt tension and as the belt tightens, the take-up pulley will adjust to the increase. Once at speed, the take-up pulley should relax to the original position until material is placed on the belt and then the take-up pulley again responds. This time, to the weight of the material creating additional load tension. If this is not what you are asking, please rephrase.  

Plant Operations/Maintenance

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Glyn Thorman

Expertise

I can answer questions regarding industrial maintenance organizational structure, maintenance planning and scheduling best practices, metrics to use for maintenance best practices, etc.

Experience

I have 19 years of maintenance and reliability consulting in industries such as food, paper, petro-chemical, aeronautics.

Organizations
Current: SMRP (Society for Maintenance and Reliability Professionals); Former: Two trade unions

Publications
NPRA White Paper (National Petroleum Refinery Association); SMRP White Paper(Society for Maintenance and Reliability Professionals); Hydro-Carbon Processing Trade Publication

Education/Credentials
BS - Business, Economics University of Wisconsin; MS - Marketing University of Illinois

Awards and Honors
Top International Paper Award - ABB; Business and Economics Honor Society

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Sample companies include: Texaco, Lockhed-Martin, Hormel Foods, DuPont, BP Chemical, MeadWestvaco, Koch Refining, PCS.

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