Optimal reserve inventory from output of one machine to input of two machines when inter-arrival breakdown is a random variable
by C.D. Nandakumar; S. Srinivasan; R. Sathiyamoorthi
International Journal of Process Management and Benchmarking (IJPMB), Vol. 9, No. 2, 2019

Abstract: In this paper, a two stage production process is considered such that there is only one machine M₁ in the first stage and two machines M₂′, M₂″ in the second stage. It is assumed that the output of M₁ is the input for M₂′, M₂″. During the breakdown time of M₁, a reserve inventory is suggested for M₂′, M₂″, to prevent the idle time, which is costlier. An inventory model is derived here based on certain assumptions to find the optimum size of the reserve inventory of the semi-finished product of the machine M₁ to supply the machines M₂′, M₂″ till M₁ resumes the function. Numerical illustrations are provided.

Online publication date: Mon, 29-Apr-2019

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