Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Chapter 39, Problem 24QLP
What are the advantages to having level production across lines and with respect to time?
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3- Consider the precedence relationship between the activities of an assembly line. Knowing that the cycle time (T) of the assembly line is 10, then: a) Show the activities are assigned to the work station? (Note that you must show which activities are assigned to which stations. Do not give a number of workstations) b) Calculate efficiency and smoothness indices.
Mention some reasons why method analysis are needed. How is method analysis linked to productivity improvements?
In a batch-production machining operation, the batch quantity = 65 parts. Part handling time each
cycle = 2.5 min, and machining time per part = 3.44 min. It takes 75 min to set up the machine for
production. Tool change time = 3.0 min. tool must be changed every 18 parts. Availability of the
machine tool = 98%, and the scrap rate = 0.
WRITE YOUR ANSWERS HEE
Determine:
(a) production rate
(b) How many hours are required to complete the batch?
a)
b)
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Chapter 39 Solutions
Manufacturing Engineering & Technology
Ch. 39 - What is a manufacturing cell? Why was it...Ch. 39 - Describe the basic principle of flexible...Ch. 39 - Why is a flexible manufacturing system capable...Ch. 39 - What are the benefits of just-in-time production?...Ch. 39 - Prob. 5RQCh. 39 - What is an expert system?Ch. 39 - What are the advantages of a communications...Ch. 39 - What is MTConnect?Ch. 39 - What is a WLAN? a PAN?Ch. 39 - Describe your understanding of holonic...
Ch. 39 - What is Kanban? Explain.Ch. 39 - What is lean manufacturing?Ch. 39 - What is a push system?Ch. 39 - In the lean manufacturing concept, what is the...Ch. 39 - Prob. 15RQCh. 39 - In what ways have computers had an impact...Ch. 39 - What advantages are there in viewing...Ch. 39 - One restaurant makes sandwiches as they are...Ch. 39 - Discuss the benefits of computer-integrated...Ch. 39 - (a) Why is just-in-time production required in...Ch. 39 - Prob. 21QLPCh. 39 - Give an example of a push system and of a pull...Ch. 39 - What is fuzzy logic? Give three examples where...Ch. 39 - What are the advantages to having level...Ch. 39 - Is there a minimum to the number of machines in...Ch. 39 - Are robots always a component of an FMC? Explain.Ch. 39 - Are there any disadvantages to zero...Ch. 39 - Review Table 36.1 and identify the points that...Ch. 39 - Give examples in manufacturing processes and...Ch. 39 - What types of (a) products and (b) production...Ch. 39 - Describe your opinions concerning the...Ch. 39 - Can a factory ever be completely untended?...Ch. 39 - Assume that you own a manufacturing company andyou...Ch. 39 - How would you describe the benefits of FMS to an...Ch. 39 - Artificial neural networks are particularly useful...Ch. 39 - Prob. 37SDPCh. 39 - Evaluate a process from a lean-production...Ch. 39 - Pull can be achieved by working with one supplier...Ch. 39 - Prob. 40SDP
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- Discuss how the application of TQM and six sigma tools and techniques affect quality performance in the manufacturing and service environmentsarrow_forwardSuppose that a company has determined that a 75% experience curve accurately describes the evolution of its production costs for a new line. If the first unit costs $400 to produce, what should the 10,000th unit cost based on the experience curve?arrow_forwardExplain in detail how you would incorporate machine vision in mechanization of processing in a commodityarrow_forward
- Which of the following detail is obtained with bottleneck constrains in the production process? Select one: a. Maximum cycle time b. Minimum product time c. Minimum cycle time d. Maximum product timearrow_forwardAn assembly line running at 2000 hours/year is required to meet the annual demand of 50000 units. The total work content time = 45 min and the manning level is 1. Assuming line efficiency of 0.90 and balancing efficiency of 0.80; determine: (a) the number of work station required to meet the annual demand, and (b) the number of workers required to meet the annual demand if repositioning time of 15 sec is considered in part (b).arrow_forwardAnswer all questions please! Will leave a rating!arrow_forward
- What are the key components of a regular maintenance schedule for a complex manufacturing system?arrow_forwardA product whose total work content time = 50 minutes is to be assembled on a manual production line. The required production rate is 30 units per hour. From previous experience with similar products, it is estimated that the manning level will be close to 1.5. Assume E = Eb = 1.0. If 9 seconds will be lost from the cycle time for repositioning, determine: The cycle time, and How many workers and Stations will be needed on the line.arrow_forwardExplain the strengths and weakness of traditional operations/manufacturing?arrow_forward
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