Manufacturing Engineering (Lean Management)

Value Stream Map

A STEEL FABRICATION COMPANY HAS RELEASED INFORMATION ON THE PRODUCTION DEMAND AS FOLLOWS:

1. PRODUCT DEMAND : 1000 PCS/WEEK
2. PRODUCTION PLANNING : PRODUCE MATERIAL REQUIREMENT TO SUPPLIER
3. PRODUCTION DEPARTMENT/MANAGER: PREPARE THE MONTHLY PRODUCTION SCHEDULE
4. SUPPLIER: CAPACITY TO DELIVER 250 SETS LOOSE PARTS PER WEEK
5. PRODUCTION LINE:

STATION	PROCESS	INVENTORY	CYCLE TIME(MIN)
1	WELDING & WASHING	250	15
2	PAINTING	20	10
3	ASSEMBLY LINE	10	20
4	UNDERCARRIAGE JOB	20	15
5	QUALITY INSPECTION	40	20
6	TRIM AND FINAL JOB	20	15
7	INSPECTION AND DELIVERY	30	30

1. YOU ARE REQUIRED TO PREPARE THE ABOVE VSM FLOW DIAGRAM INDICATING CURRENT AND FUTURE STATE. SHOW THE TOTAL PROCESS LEAD TIME (PLT) AND PROCESS TIME(PT), BEFORE AND AFTER IMPROVEMENT. IMPROVEMENTS MUST FOCUS ON ELIMINATION OF NON VALUE ADDED ACTIVITIES WITH REDUCTION OF PLT AND PT. DISCUSS THE RESULT OF THE IMPLEMENTATION.