In the welding operations of a bicycle manufacturer, a bike frame has a flow time of about 12.75 hours. The time in the weldingoperation is spent as follows: 2 hours waiting in front of the cutting machine for the batch to start, 2 hours waiting for the setup of themachine, 2 hour waiting for the other pieces of the batch to go through cutting, 1 minute at the cutting machine, and 2 hours waiting forthe transfer to the welding machine. Then, at the welding machine, the unit spends 1 hour waiting in front of the welding machine forthe batch to start, 1 hour waiting for the setup of the welding machine, 0.75 hour waiting for the other pieces of the batch to go throughwelding, 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 theflow time?0.0604 percent

Find the given details below: Given details: Flow time 12.75 hours Waiting time before…

Answered: In the welding operations of a bicycle…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter4: Linear Programming Models

Section: Chapter Questions

Problem 111P

See similar textbooks

Similar questions

In the welding operations of a bicycle manufacturer, a bike frame has a flow time of about 11.5 hours. The time in the welding operation is spent as follows: 2 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, 1 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, 1 hour waiting for the setup of the welding machine, 0.5 hour waiting for the other pieces of the batch to go through welding, 0.5 minute at the welding machine, and 1 hour waiting for the transfer to the next department. Determine the exact flow time. What is the value-added percentage of the flow time?(round percentage answer to 4 decimal places.) answer:_______percent
Chris has three different workstations: one for drip coffee, one for espresso drinks, and one to prepare food. During the morning rush, Chris has 5 people working: one person at the drip coffee station, two at the espresso station, and two at the food prep station. These employees are not cross-trained, and thus must stay at their station. On average, it takes the person at the drip coffee station 1 minute to make the coffee. On average, it takes one person working at the espresso station 3 minutes to make one espresso drink. On average, it takes one person working at the food station 4.5 minutes to prepare the food for one customer. The customer mix is as follows. 10% order just a drip coffee, 30% order a drip coffee and food, 35% order just an espresso drink, and 25% order an espresso drink plus food. A total of 40 customers/ hour frequent Chris'. What is the implied utilization at the espresso station? Provide your answer in decimal form, and round to 4 decimal places. (So, if your…
Cubway, the sandwich shop, is run by Jim, Tim and Kim. When a customer arrives, Jim spends 5 minutes taking order from the customer. After this, Tim prepares bread and Kim prepares filling for the order. These activities are performed in parallel, and take 6 and 12 minutes respectively. Jim then assembles the bread and filling, which takes 4 minutes of his time. Finally, Tim spends 1 minutes in delivering the order and taking payment. What is maximum number of sandwiches Cubway can make per hour? (In other words, what is the capacity of the process in sandwiches per hour?)
Joe’s commercial laundry has contracts to wash bedsheets for hotels. Joe intakes each batch of sheets, which takes 1 minute, and then the sheets are washed, taking 20 minutes,and dried, taking 30 minutes. The batch of sheets is ironed, taking 10 minutes for one employee to complete each batch, and there are two employees ironing sheets. Finally, Joe packages the sheets and bills the customer, taking 2 minutes. Joe has five washing machines and seven dryers that can process one batch of sheets each. a. What is the capacity of the laundry system, and what is the bottleneck? b. What is the average throughput time of a batch of sheets? c. If the flow rate is 10 batches per hour, what is the average number of batches of sheets in the system (inventory)?
The manager of the Personnel Department at City Enterprises has been reading about time-driven ABC and wants to apply it to her department. She has identified four basic activities her employees spend most of the their time on: Interviewing, Hiring, Assessment, and Separation Processing. The department employs 5 staff who perform these activities. The manager provides the following estimates for the amount of time it takes to complete each of these activities: Interviewing: 45 minutes. Hiring: 60 minutes. Assessment: 75 minutes. Separation Processing: 90 minutes. Employees in Personnel work 35-hour weeks with four weeks for vacation. Of the 35 hours, five are reserved for administrative tasks, training, and so on. The costs of the Personnel Department, including any allocated costs from other staff functions, are $972,000. During the year, Personnel conducted 1,200 interviews, made 375 hires, made 3,000 assessments, and had 250 separations. The manager of the Personnel…
Diablo Electronics manufactures four unique products (A, B, C, and D) that are fabricated and assembledin five different workstations (V, W, X, Y, and Z) using a small batch process. Each workstation is staffedby a worker who is dedicated to work a single shift per day at an assigned workstation. Batch setuptimes have been reduced to such an extent that they can be considered negligible. A flowchart denotesthe path each product follows through the manufacturing process as shown in Figure 5.2, where eachproduct’s price, demand per week, and processing times per unit are indicated as well. Inverted trianglesrepresent purchased parts and raw materials consumed per unit at different workstations. Diablo canmake and sell up to the limit of its demand per week, and no penalties are incurred for not being able tomeet all the demand.Which of the five workstations (V, W, X, Y, or Z) has the highest utilization, and thus serves as the bottle-neck for Diablo Electronics?
At a cruise ship terminal, each day on average 1000 passengers embark on ships. Onaverage, passengers spend 5 days on their cruise before returning to this terminal. If theflow unit is a passenger, then what are the flow rate and flow time of this process?
A company producing a standard line and a deluxe line of dishwashers has the following time requirements (in minutes) in departments where either model can be processed. Standard Deluxe Stamping 3 6 Motor Installation 10 10 Wiring 10 15 The standard models contribute $20 each and the deluxe $30 each to profits. Because the company produces other items that share resources used to make the dishwashers, the stamping machine is available only 30 minutes per hour, on average. The motor installation production line has 60 minutes available each hour. There are two lines for wiring, so the time availability is 90 minutes per hour. Write the formulation for this linear program. What are the optimal daily production quantities of each product and the optimal daily profit?
You observe a bank and notice that a customer leaves the bank about every five minutes.These five minutes between customers are:a. the capacity of the process.b. the processing time of the last resource.c. the cycle time.d. the lead time
Joe's Twenty-four Seven Laundromat has the following jobs waiting to be processed. The first step of the process includes washing and drying the clothes; the second step is pressing the clothing. Joe wants to minimize the amount of time it takes to do all the jobs. The five jobs waiting to be processed are shown here. Job Wash andDry (hours) Press(hours) A 5 4 B 3 4 C 2 3 D 7 5 E 4 2 Wash and Dry Using FCFS, assume the jobs arrive in the order shown (A, then B, then C, etc.). Show the beginning time for each job and ending time for the whole process adding hours throughout the process. A -0 number of hours B-5 number of hours C-8 number of hours D-10 number of hours E-17 number of hours A B C D E 0 enter a number of hours enter a number of hours enter a number of hours enter a number of hours enter a number of hours enter a number of hours Press
. Consider a four-step serial process with the number of workers at each step and processing times given in the following table.Assuming that the process starts out empty and is worker-paced, how long will it take (in minutes) to serve 20 customers?
Given this set of daily service operation, assuming a processing order of A-B-C-D-E; Determined the number of repetitions for each service if four cycles are used.

SEE MORE QUESTIONS

Recommended textbooks for you

Practical Management Science

Operations Management

ISBN:

9781337406659

Author:

WINSTON, Wayne L.

Publisher:

Cengage,

Practical Management Science

Operations Management

ISBN:

9781337406659

Author:

WINSTON, Wayne L.

Publisher:

Cengage,

SEE MORE TEXTBOOKS