Operation Machine WorkersProduction Serap The route sheet to produce a part, use

Question

Operation Machine WorkersProduction Serap The route sheet to produce a part, used in medical instrument, is given in the Table. Two million parts are needed per year (8 hrs/day for 250 days/yr). Assuming the efficiency of each machine is 90%; determine the following Needed | Rate (#/hr) 60 100 150 180 Code 10 l Code| 2053 201226 3029 3007 2 30 40 12 10 1. What is the required raw-material input? 2. How many machines of each type? 3. How many total workers needed? 4. What is the unit cost for the part? [Assume worker wage& utility cost of S15/hr. & S10/hr., respectivelyl The Table below is to heln

Explanation / Answer

Ans 1 Ans 2 Raw material input To start with Formula R TP= R*(1+S) RM=TP/90% Ma =RM/(8*250*Ra) M=Rounder up Ma W M*W Ra S Required To produce with scrap rate Eff @90%, actual required Machine M =Machines OP code Workers Total workers Rate(#/hr) Scrap 2000000 2100000 2333333.333 19.44444444 20 10 1 20 60 5% 2000000 2160000 2400000 12 12 20 2 24 100 8% 2000000 2240000 2488888.889 8.296296296 9 30 3 27 150 12% 2000000 2200000 2444444.444 6.790123457 7 40 3 21 180 10% Total 48 Total 92 Ans 3 4 Cost Utility cost (48*8*250)@10 Worker cost (92*8*250)@15 Total 960000 2760000 3720000 Unit cost for 2 million parts 1.86 Ans 4

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