The MPS start quantities for products A and B are given as follows: Product A B Product A B 1 2 20 30 O a. 5.15 Ob 10.35 c. 6.25 Lot size 20 3 20 The lot sizes, routing and standard time data for the products are given below. Assume that lead time is 1 week for each operation. 30 Operation 4 20 30 1 of 2 2 of 2 1 of 2 2 of 2 Week 5 20 Workstation 6 WS 100 WS 200 WS 100 WS 200 Setup time per batch 7 (hr) 0.100 0.250 0.100 0.200 8 Processing time per unit (hr) 0.125 0.300 0.105 0.200 Determine the capacity requirement (in hours) for WS 200 for week 4 using the resource profile method.
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- The final assembly requires 3 workers to complete. The first worker estimates 4 hours. The second worker’s estimate is 6 hours, and the third worker’s estimate is 5 hours. If 500 assemblies are needed, what are the total hours needed? How many hours are needed from the first worker to complete 500 assemblies? How many are needed from the second and third workers? If the 500 assemblies need to be completed in 5 working days (8 hours shifts), how many workers will be needed?Metal frames for kick scooters are manufactured in two stages: Stamping and assembly. Each frame is made up of two pieces: one part A and one part B. Currently, the stamping machine rotates its production between 120 part A’s and 120 part B’s. In the stamping machine, setup times and production rates for each part are follows: Part A Part B Setup time (mins) 70 110 Production rate (parts per hour) 80 80 Completed parts move to assembly stage only when the entire batch is produced. At assembly, parts are assembled manually to form the finished products. The two parts and a number of small purchased components are required for each unit of final product. Each product requires 30 minutes of labor time to assemble. There are 15 workers in assembly. There is sufficient demand to sell every scooter the system can make. At the current batch size, what is the capacity of stage 1 (stamping) in [units per hour]? At the current batch size, which stage is the…Now you are being hired as a scheduler in the manufacturing unit of surgical instruments. Your job is to schedule four jobs on the two machines. The job processing time in minutes for the four jobs is given below: A с D Machine 1 Machine 2 3.43 0.11 B 1.58 0.46 3.62 2.29 4.05 4.52 The optimal schedule using Johnson method and makespan for the jobs is: (A)BCBA, 12.79 minutes (B) ABCD, 5.41 minutes (C) DCBA, 12.79 minutes (D) CDBA, 5.41 minutes
- The following table contains order-dependent setup times for four jobs. For safety reasons, jobC cannot follow job A, nor can job A follow job C. Determine the processing sequence that willminimize the total setup time. (Hint: There are 12 alternatives.)Following Job’sSetup Time (hrs.)SetupTime (hrs.) A B C DPrecedingjobA 2 — 5 × 4B 1 7 — 3 2C 3 x 2 — 2D 2 4 3 6 —Given the following partial product tree, explode, offset, and determine the gross andnet requirements for components H, I, J, and K. There are other components, but theyare not connected to this problem. The quantities required are shown in parentheses.The master production schedule calls for the completion of 60 Hs in week 3 and 80 inweek 5. There is a scheduled receipt of 120 Is in week 2. There are 400 Js and 400 Ksavailable. All lot sizes are lot-for-lotThe demand for assembly of product A is 150 units at the start of week 6. Each unit of product A needs 2 units of part T and 3 units of part U. Each unit of part T requires 2 units of part V, 1 unit of part W, and 4 units of part X. Also, each unit of part U requires 3 units of part Y and 1 unit of part X. It takes 1 week to make part A, 2 weeks to make part T, 2 weeks to make part U, 2 weeks to make part V, 3 weeks to make part W, 1 week to make part X, and 2 weeks to make part Y. One firm manufactures all items. a) Construct a product BOM.b) Construct the MRP table using the following on-hand inventory
- A service process is described by the above flowchart. After going through workstation A, an order needs to be processed by one of the three lines, B1-C1-D1, B2-C2-D2, or B3-C3-D3 (in other words, they are substitutable). Finally, all orders need to go through workstation E. The capacities of the individual workstations are given as follows: Workstation A has a capacity of 2 orders/hour Workstation B1, B2, and B3 have the same capacity of 3 orders/hour Workstation C1, C2, and C3 have the same capacity of 3 orders/hour Workstation D1, D2, and D3 have the same capacity of 3 orders/hour Workstation E has a capacity of 4 orders/hour What is capacity of the service process in orders/hour? Note: Please do not include the unit of measure. For example, if your answer is 10 orders/hour, enter 10.Figure below shows a partially completed MPS record for ball bearings.a. Develop the MPS for ball bearings.b. Four customer orders arrived in the following sequence:Order Quantity Week Desired1 500 42 400 53 300 14 300 7Assume that you must commit to the orders in the sequence of arrival and cannot change the desired shipping dates or your MPS. Which orders should you accept?New students who join the university, should visit cer-tain departments in their first day, as part of the registration and induction process. Students are usually allocated to groups of ten,and their visits and their timings are as follows:DEPARTMENT DURATION FOR EACHGROUP (MINUTE)Registration/Finance 60IT 45Library 90Social Club 30Sport Centre 30Student Support Service 45Medical Centre 45Campus Services (banks, restaurant, etc.) 30During the visit, at least one person from the university student support team should be with each team of students. The stu-dent support team has allocated the visit of every two depart-ments to one person as follows: Deborah (Registration and IT), Gemma (Library and Social Club), Frank (Sport Centreand Student support service), and Raj (Medical centre and Campus services). The visits of the departments can be done inany sequence. Based on the current arrangements,a) What is the cycle timeb) What is the throughput per hourc) Total idle time in each…
- A college provides free tutoring services for its students 7 days a week, and the daily requirements for tutors are: Day M T W Th F S Su Requirements 5 4 7 3 6 3 4 Find the minimum number of tutors required if each tutor works 4 days a week and has 3 consecutive days off. Give preference to Saturday and Sunday off in case of a tie. (Hint: Look for group of 3 days with the lowest requirements). Specify the work schedule for each tutor. How much slack does your schedule generate for each day?Assume you are the manager of Assembly, Inc. You have just received an order for 27 units of an industrial robot, which is to be delivered at the start of week 7 of your schedule. Using the following information, determine how many units of subassembly G to order and the timing of those orders, given that subassembly G must be ordered in multiples of 80 units and all other components are ordered lot-for-lot. Assume that the components are used only for this particular robot.Part A is processed on a MILLING machine; Part B is processed on a LATHE machine. Two parts (A and B) are then assembled on an ASSEMBLY machine. Standard times, scrap rates, efficiency, and availability of each machine and the assembly are given in the table below. Determine the number of milling (M), the lathe (L) and the assembly (A) machines needed to produce 100 good parts from this production system during and 8-hour (480 minutes) shift. (Note: Round up the number of parts processed on each station and then round up the number of machines needed).