Operations Management: Processes and Supply Chains (11th Edition)
Operations Management: Processes and Supply Chains (11th Edition)
11th Edition
ISBN: 9780133872132
Author: Lee J. Krajewski, Manoj K. Malhotra, Larry P. Ritzman
Publisher: PEARSON
Question
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Chapter 6, Problem 12P

(a)

Summary Introduction

Interpretation: Number of days of raw material B’s plant has is to be determined.

Concept Introduction:

The raw material which is important for the B’s plant is the steel sheets.

(b)

Summary Introduction

Interpretation: Number of days of work-in-process inventory is held between Press and Pierce and form is to be calculated.

Concept Introduction:

The work-in-progress refers to the ongoing process and waiting for completion. It is an important term used in production and supply chain management.

(c)

Summary Introduction

Interpretation: Number of days of work-in-process inventory is held between Pierce and form and Finish Grind is to be calculated.

Concept Introduction:

The work-in-progress refers to the ongoing process and waiting for completion. It is an important term used in production and supply chain management.

(d)

Summary Introduction

Interpretation: Number of days of work-in-process inventory is held between Finish Grind and Shipping.

Concept Introduction:

The work-in-progress refers to the ongoing process and waiting for completion. It is an important term used in production and supply chain management.

(e)

Summary Introduction

Interpretation:

Lead time of new value stream’s production.

Concept Introduction:

Lead time refers to as the latency between beginning and completion of a process.

(f)

Summary Introduction

Interpretation:

Process time of the new value stream

Concept Introduction:

Processing time is nothing but the sum of each process cycle time.

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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.   Overall Process Attributes Average​ demand: 2,600​/week ​(1,600 ​"L"; 1,000 ​"S") Batch​ size: 1,000 Number of shifts per​ day: 1 ​Availability: 8 hours per shift with two 30 minute lunch breaks                   Process Step 1 Press Cycle time=5 seconds Setup time=2 hours Uptime=​90% Operators=1 Every Part Every=1 week WIP=1 day of sheets​ (before Press) Process Step 2 Pierce​ & Form Cycle time=25 seconds Setup time=30 minutes Uptime=​100% Operators=1 WIP=900 ​"L", 1,150 ​"S" (before Pierce​ & Form) Process Step 3…
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