KRM 6.12 Figure 6.15 provides a new current state value stream map for the family of retainers at the Jensen Bearings, Inc. firm described in Example 6.1. This map depicts the value stream after Kline Steel agrees to accept daily orders for steel sheets and Jensen Bearings continues to deliver the finished goods on a daily basis. Operators work 5 days/week, one shift/day, 8 hours per shift with two 30 minute lunch breaks. Figure 6.15 New Current State Value Stream Map at Jensen Bearings, Inc 4-week Forecast 180/90/60/30/day Forecasts Kline Steel Co. PRODUCTION CONTROL GNK Enterprises Daily Order Daily Order Weekly Schedule 2,500 pieces/week -1.500 "L" -1,000 "S Tray 50 pieces 1 shift 1x Day Daily Ship Schedule 1x/Day PRESS PIERCE & FORM FINISH GRIND SHIPPING Staging Sheets 1 day 1050 "L" 1200 "S 250 "L" 1500 "S" 500 "L" 1200 "S C/T = 3 seconds C/O = 2 hours Uptime = 100% 25,200 sec, avail 1 Shift CT = 22 seconds C/O = 30 minutes Uptime - 100% 1 Shift 25,200 sec, avail CT = 35 seconds C/O = 45 minutes Uptime - 100% 1 Shift 25,200 sec, avail. d 3 seconds 22 seconds Production Lead Time Processing Time 35 seconds Calculate each component of the new value stream's reduced lead time. a. How many days of raw material does the Bearing's plant now hold? b. How many days of work-in-process inventory is held between Press and Pierce & Form? c. How many days of work-in-process inventory is held between Pierce & Form and Finish Grind? d. How many days of work-in-process inventory is held between Finish Grind and Shipping? e. What is the new value steam's production lead time (Total LT)? f. What is the new value stream's total processing time? g. Takt time is ? h. Press utilization is ? i. Pierce & Form utilization is? j. Finish Grind utilization is