In the welding operations of a bicycle manufacturer, a bike frame has a flow time of about 14.35 hours. The time in the welding operation is spent as follows: 3 hours waiting in front of the cutting machine for the batch to start, 2 hours waiting for the setup of the machine, 1 hour waiting for the other pieces of the batch to go through cutting, 2 minute at the cutting machine, and 3 hours waiting for the transfer to the welding machine. Then, at the welding machine, the unit spends 1 hour waiting in front of the welding machine for the batch to start, 2 hour waiting for the setup of the welding machine, 0.35 hour waiting for the other pieces of the batch to go through welding, 0.25 minute at the welding machine, and 2 hour waiting for the transfer to the next department. (Round your percentage answer to 4 decimal places.) Determine the exact flow time. What is the value-added percentage of the flow time? percent

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter12: Queueing Models
Section: Chapter Questions
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In the welding operations of a bicycle manufacturer, a bike frame has a flow time of about 14.35 hours. The time in the welding
operation is spent as follows: 3 hours waiting in front of the cutting machine for the batch to start, 2 hours waiting for the setup of the
machine, 1 hour waiting for the other pieces of the batch to go through cutting, 2 minute at the cutting machine, and 3 hours waiting for
the transfer to the welding machine. Then, at the welding machine, the unit spends 1 hour waiting in front of the welding machine for
the batch to start, 2 hour waiting for the setup of the welding machine, 0.35 hour waiting for the other pieces of the batch to go
through welding, 0.25 minute at the welding machine, and 2 hour waiting for the transfer to the next department.
(Round your percentage answer to 4 decimal places.)
Determine the exact flow time. What is the value-added percentage of the
flow time?
percent
Transcribed Image Text:In the welding operations of a bicycle manufacturer, a bike frame has a flow time of about 14.35 hours. The time in the welding operation is spent as follows: 3 hours waiting in front of the cutting machine for the batch to start, 2 hours waiting for the setup of the machine, 1 hour waiting for the other pieces of the batch to go through cutting, 2 minute at the cutting machine, and 3 hours waiting for the transfer to the welding machine. Then, at the welding machine, the unit spends 1 hour waiting in front of the welding machine for the batch to start, 2 hour waiting for the setup of the welding machine, 0.35 hour waiting for the other pieces of the batch to go through welding, 0.25 minute at the welding machine, and 2 hour waiting for the transfer to the next department. (Round your percentage answer to 4 decimal places.) Determine the exact flow time. What is the value-added percentage of the flow time? percent
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