How many days of raw material does the Bearing's plant now hold? The plant holds --------- days of raw material. (Enter your response rounded to one decimal place.)
The table below provides the parameters for a new current state value stream map for the family of retainers at the Jensen Bearings Inc. firm described in the chapter. This table depicts the value stream after Kline Steel agrees to accept daily orders for steel sheets and also agrees to deliver on a daily basis. Calculate each component of the new value stream's reduced lead time. Jensen Bearings operates 5 days per week.
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Overall Process Attributes
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Average demand:
2,700/week
(1,400
"L";
1,300
"S")Batch size: 1,000
Number of shifts per day: 1
Availability: 8 hours per shift with two 30 minute lunch breaks
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Process Step 1
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Press
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Cycle
time=4
secondsSetup
time=2
hoursUptime=90%
Operators=1
Every Part
Every=1
weekWIP=1
day of sheets (before Press) |
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Process Step 2
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Pierce & Form
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Cycle
time=23
secondsSetup
time=30
minutesUptime=100%
Operators=1
WIP=1,100
"L",
1,250
"S" (before Pierce & Form) |
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Process Step 3
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Finish Grind
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Cycle
time=45
secondsSetup
time=45
minutesUptime=100%
Operators=1
WIP=300
"L",
1,550
"S" (before Finish Grind) |
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Process Step 4
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Shipping
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WIP=450
"L",
1,150
"S" (after Finish Grind) |
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Supplier Information
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One shipment a day in trays of 60 pieces
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Information Flow
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All communications from customer are electronic:
180/90/60/30/day Forecasts
Daily Order
All communications to supplier are electronic
4-week Forecast
Weekly Fax
There is a weekly schedule manually delivered to Press, Pierce & Form, and Finish Grind and a Daily Ship Schedule manually delivered to Shipping
All material is pushed
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- How many days of raw material does the Bearing's plant now hold?
The plant holds --------- days of raw material. (Enter your response rounded to one decimal place.)
- How many days of work in process inventory is held between Press and Pierce & Form?
The inventory is held-------- days. (Enter your response rounded to one decimal place.)
- How many days of work in process inventory is held between Pierce & Form and Finish Grind?
The inventory is held --------- days. (Enter your response rounded to one decimal place.)
- How many days of work in process inventory is held between Finish Grind and Shipping?
The inventory is held ------ days. (Enter your response rounded to one decimal place.)
- What is the new value stream's production lead time?
The production lead time is ------ days. (Enter your response rounded to one decimal place.)
- What is the new value stream's processing time?
The processing time is ----- seconds. (Enter your response as a whole number.)
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