Degarmo's Materials And Processes In Manufacturing
13th Edition
ISBN: 9781119492825
Author: Black, J. Temple, Kohser, Ronald A., Author.
Publisher: Wiley,
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Chapter 41, Problem 4RQ
To determine
The definition of operations sheet.
The relation of operations sheet with route sheet.
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An order for 100 of a product is processed on work centers A and B. The setup time on A is 30 minutes, and run time is 10 minutes per piece. The setup time on B is 50 minutes, and the run time is 5 minutes per piece. Wait time between the two operations is 4 hours. The move time between A and B is 10 minutes. Wait time after operation B is 4 hours, and the move time into stores is 15 minutes. There is no queue at either workstation.
If it is decided to overlap operations A and B by splitting the lot of 100 into two lots of 70 and 30. Wait time between A and B and between B and stores is eliminated.
Setup on operation B can start before the first batch arrives.
Calculate the manufacturing lead time for the whole order.
Calculate the manufacturing lead time for the first patch.
A certain job shop specializes in one-of-a-kind orders dealing with parts of medium-to-high
complexity. A typical part is processed sequentially through 10 machines in batch sizes of 1.
The shop contains a total of eight conventional machine tools and operates 40 hr/wk of pro
duction time. Average time values on each part per machine are: machining time = 0.5 hr,
work handling time = 0.3 hr, tool change time = 0.2 hr, setup time = 3 hr, and non
operation time = 12 hr. A new programmable machine is being considered that can per
form all 10 operations in a single setup. The programming of the machine for this part will
require 20 hr; however, the programming can be done off-line, without tying up the machine.
Setup time will be just 2 hr because simpler fixtures will be used. Total machining time will
be reduced to 80% of its previous value due to advanced tool control algorithms; work han
dling time will be the same as for one machine; and total tool change time will be reduced
by…
Question 29
In the following layout material moves continuously and uniformly through a series of workstations until the product is completed.
Select one:
O a. Work layout
O b. Job layout
O C. Product Layout
O d. Cell layout
hp
Chapter 41 Solutions
Degarmo's Materials And Processes In Manufacturing
Ch. 41 - What are the major functional elements or...Ch. 41 - Here are some questions about the route sheet:...Ch. 41 - What is a process flow chart? How is it related to...Ch. 41 - Prob. 4RQCh. 41 - Prob. 5RQCh. 41 - What is MRP and how is it related (tied to) the...Ch. 41 - Prob. 7RQCh. 41 - Prob. 8RQCh. 41 - Prob. 9RQCh. 41 - Prob. 10RQ
Ch. 41 - Prob. 11RQCh. 41 - Prob. 12RQCh. 41 - Suppose that the part in Figure 41.6 was to be...Ch. 41 - Construct a route sheet and an operations sheet...Ch. 41 - Prob. 15RQCh. 41 - Prob. 16RQCh. 41 - Prob. 17RQCh. 41 - Why does a factory need operations sheets?Ch. 41 - Prob. 19RQCh. 41 - Prob. 20RQCh. 41 - Prob. 21RQCh. 41 - The classic manufacturing systems are controlled...Ch. 41 - Compare your college or university to a...Ch. 41 - Prob. 3P
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