6. CASE STUDY 6.1 JOHNSTON PRODUCTS. Table of Contents.

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1CASE STUDY 6.1 JOHNSTON PRODUCTS
2Table of Contents1.......................................................................................................................................................22.......................................................................................................................................................43.......................................................................................................................................................5Bibliography...................................................................................................................................7
31Run time and setup time together combine the total time required in the process of ordering. Oneunit of each operation requires standard time which may be termed as the run time.Justin Wang has acquired a total standard time of 320 hours. Such estimation of the standardtime is for the first week in the place where assembling processes. However, in practicality thestandard time has come as 291 hours. Such irregularity has happened due to sudden scarcity ofmaterials and for maintaining purpose of the plant’s equipment. The table below exhibits thedetails which include 8 machines and 8 workers per work station for a day’s shiftStandard time in theworkplace ( minute/ unit)Size of the BatchCommodity1750A1749100G82019.550H22111.7200B32721.2100C80314.1300P93215.8200F73217.3150J51312.8150L683It can be clearly seen that the standard time required for the process as calculated by Justin wangis inappropriate. Therefore, the run time =Run time required per unit * number of units in oneparticular order. The table below shows the actual standard time with respect to the abovediscussed details which are essential for the process of manufacturing of one particular unit.Size of the each batch* standard time in theworkplaceStandard time in theworkplace ( minute/unit)Size of the BatchCommodity
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