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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Textbook Question
Chapter 41, Problem 14RQ
Construct a route sheet and an operations sheet (or a process planning sheet) for the new manufacturing method you selected in Question 13.
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A very special manufacturing operation is being designed as an assembly line. Table 1 shows the tasks that need to be performed, their task time, and preceding tasks. The goal is to produce 5760 products per month. The company has an operation pattern of 24 days per month with 8 hours per day.
Draw a precedence diagram.
Determine the cycle time.
Using the largest work element-time rule, assign tasks to the workstations in order to have appropriate line balancing.
Identify the idle time for workstation 1, 2 and 6.
Identify the number of workstations for the balanced line.
Calculate the balanced line effieciency to 2 decimal places (Example 0.78).
Answer the two connected questions (Task A-1 and A-2). Provided in the last part are the guides and examples:
The process for large-scale manufacture of paper has been largely unchanged for the last 125 years. The pulp and paper industry today is highly capital intensive, and there is an ongoing drive towards process integration, thereby increasing the efficiency of utilization of available process resources. This paper deals with the Kraft process (see Fig. 1) though the general principles described can be extended to other pulping processes. As shown in Figure 1, five water sinks and four water sources are considered for in-plant water reuse/ recycle. Prior to water reuse/ recycle, the network requires a freshwater flow rate of 36,400 tonne/day and generates 37,186 tonne/day of wastewater (sum of the individual sink and source flow rates in Table 1). The freshwater source that is available for service has an impurity concentration (chloride content) of 4.2 ppm, which is higher than…
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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- Task 3: In the context of maintenance costing, planning, and scheduling, clarify the following: What are the general categories of potential maintenance costs? Please provide examples for each category. Also, link this to the field trip you participated in at Al-Nabil factory and explain how these costs are calculated. Explain the practical meaning of the Work Order System for maintenance planning. Please discuss how this approach is used at Al-Nabil Factory. Additionally, emphasize the importance of maintenance planning and its impact on the overall productivity of the plant. Clarify the maintenance inventory management system used at Al-Nabil factory? Please explain its ultimate significance in terms of the factory's availability and overall maintenance costs. Clarify the maintenance inventory management system adopted in Al-Nabil factory and its ultimate significance in terms of factory's availability and the overall maintenance costs.arrow_forwardThe BOM for product A is shown in Figure 11.40, and datafrom the inventory records are shown in Table 11.9. In theMPS for product A, the MPS start row has 100 units in week 3and 200 in week 6. Develop the material requirements planfor the next 6 weeks for items C, D, and E.a. Develop the material requirements plan for the next6 weeks for items C, D, and E.b. What specific managerial actions are required inweek 1?arrow_forward.arrow_forward
- 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 hparrow_forwardGood handwriting pleasearrow_forwardInstructions: • Create a step by step and detailed explanation on how to solve the problem attached below. Create a script-like document like how you would explain this in a video presentation. Explain every single step with full details. Think of it that you have a youtube channel and you are explaining this problem step by step and on this document you will put the transcript of your video presentation except there is no video presentation only the transcript is needed. • Include complete solution and what formulas are used. PROBLEM: Given is a thin-walled tube with the following data: Wall thickness- 2mm ABC is a sector with a radius of 100 mm AOD & COD is a triangle Torque is 800 N.m Length of the thin walled tube is 2 m. Use G=24 GPa for aluminium B 30⁰ Determine the following: a. Enclosed Area b. Perimeter of the thin walled tube c. Shear flow d. Shear stress e. Angle of twistarrow_forward
- What are the four basic parts of a process plan?arrow_forwardTable 3 shows the process sequence in a production line and its related direct time study data. The production process must follow a specific route of processes A, B, C, and D respectively. Task A is in full automatic mode and requires one operator at the workstation. The worker at task B was rated with 90%, the worker at task C was rated with 115% and the worker at task D was rated with 80%. The standard allowances accepted by the company are 6% for fatigue, 5% for personal, and 4% for delay. The normal operating period is 8 hours per day and 24 days per month. Analyse the given information and determine the standard time for the product in minutes. Table 3: Average Processing Time (minutes) Job Description Average Processing Time A Automatic B Manual 40 C Manual 30 D Manual 35arrow_forwardTWM Company purchases 8000 units of product each year at a unit cost of $10.00. The order cost is $30.00 per order, and the holding cost per unit per year is $3.00. a) What are the economic order quantity, the total annual cost, the number of orders to place in one year, and the reorder point when the lead time is two weeks? b) What happens to the EOQ if backordering is possible and the stockout cost per unit per year is $1.00? c) The supplier is offering a special discount and has temporarily reduced his unit price from $10.00 to $9.00. What amount should be purchased to take advantage of the discount? d) The supplier will increase his unit price from $10.00 to $11.00 on 1 January. What amount should be purchased and delivered on 31 December before the price increase is effective if the stock position is 346 units? What will be the cost saving of the special purchasearrow_forward
- Please don't provide handwritten solution ....arrow_forwardAn 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.arrow_forwardYou are given a line balancing problem with the following diagram. The processing time is above each process. Using the ranked positional weight (RPW) heuristic calculate the number of workstations for a desired cycle time CTd = 11 and the line efficiency based on this heuristic. B 5 7 A D E F 4 6.arrow_forward
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