In a manufacturing company, the routing of part A is started from machine X, and continued by machine Y, and then machine Z, and 23,000 parts must be produced per month. The routing of part B is machine Y, Z, and X, respectively, and 31,000 parts must be produced per month. Set up time for machine X, Y, and Z are 35, 55, and 45 minutes, respectively. If the company works 6 days a week, four weeks a month, 10 hours a day, with 45 minutes lunch break and two breaks of 20 minutes, and given the following information. How much is the available processing time for Machine X (to process both parts A and B in total)?

In a manufacturing company, the routing of part A is started from machine X, and continued by machine Y, and then machine Z, and 23,000 parts must be produced per month. The routing of part B is machine Y, Z, and X, respectively, and 31,000 parts must be produced per month. Set up time for machine X, Y, and Z are 35, 55, and 45 minutes, respectively. If the company works 6 days a week, four weeks a month, 10 hours a day, with 45 minutes lunch break and two breaks of 20 minutes, and given the following information. How much is the available processing time for Machine X (to process both parts A and B in total)?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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In a manufacturing company, the routing of part A is started from machine X, and continued by machine Y, and then machine Z, and 23,000 parts must be produced per month. The routing of part B is machine Y, Z, and X, respectively, and 31,000 parts must be produced per month. Set up time for machine X, Y, and Z are 35, 55, and 45 minutes, respectively. If the company works 6 days a week, four weeks a month, 10 hours a day, with 45 minutes lunch break and two breaks of 20 minutes, and given the following information. What is the machine fractions of Y to produce parts A and B? Machine X Machine Y Machine Z Standard time 7 min 3 min 9 min Part A Scrap estimate 3% 2% 2.5% Standard time 5 min 8 min 6 min Part B Scrap estimate 2% 4% 3% Historical Efficiency 92% 96% 89% Reliability factor 87% 91% 88%
The following jobs are waiting to be processed at a small machine center: JOB 10 20 30 40 50 DUE DATE 260 254 260 265 275 days (round your response to one decimal place). days (round your response to one decimal place). DURATION (DAYS) 18 T 22 14 32 All dates are specified as manufacturing planning calendar days. Assume that all jobs arrived on day 200 (yesterday) in the order shown but are not scheduled to begin until day 201 (today). a) Sequence the jobs according to LPT. According to the LPT rule, the sequence of jobs should be 50, 20, 10, 30, 40 b) What is the average completion (flow) time? The average completion (flow) time is c) What is the average job lateness? The average job lateness is d) What is the average number of jobs in the system? The average number of jobs in the system is jobs (round your response to one decimal place). 62446
A robot is used for loading and unloading of parts to automated flexible machines. Loading time is 1 minute; unloading time is 1.5 minutes; machining time 15 minutes; Robot travel time between the machines including the inspection time is 3 minutes. Cost of robot C,=30 TL/Hour; cost of machines C2=40 TL/Hour. How many machines (integer number) should be assigned to the robot so that the total robot and machine costs per cycle are minimized? 8 - 176 a) 4 b) 3 c) 2 d) e) 6.
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.
1. A certain batch of parts is routed through six machines in a batch production plant. The setup and operation times for each machine are given in the table below. Batch size is 200 and the average nonoperation time per machine is15 hr. Determine (a) manufacturing lead time and (b) hourly production rate for operation 4.Machine 1 2 3 4 5 6Setup time (hr) 5 3 6 4 5 3Operation time (min) 3.0 3.3 8.2 3.9 4.5 2.3 a. 6(4.3+200(3.9/60)+15) = 193.8 hours 24.2 days if 8 hour shiftb. 4(60)+200(3.9)/200 =5.1 hourly production for operation 4 2. Suppose the part in the previous problem is made in very large quantities on a production line in which an automated work handling system is used to transfer parts between machines. Transfer time between stations is 30 sec. total time required to setup the entire line is 102 hr. Assume that the operation times at the individual machines remain the same as in the previous problem, Determine (a) manufacturing lead time for a part coming off the line,…
If you give wrong answer - i will report you... and dislike this Q1. You are analyzing a process with an average processing time of 1 minute and an interarrival time of 10 seconds. There are 7 servers and CVa is 1.3 and CVp is .80. What is average time in queue? What is the average total flow time? Answer both parts correct to get upvote.
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Consider the following tasks that must be assigned to four workers on a conveyor-paced assembly line (i.e., a machine-paced line flow). Each worker must perform at least one task. There exists unlimited demand unless stated otherwise. Time to Complete Task (seconds): Task 1: 30 Task 2: 25 Task 3: 15 Task 4: 20 Task 5: 15 Task 6: 20 Task 7: 50 Task 8: 15 Task 9: 20 Task 10: 25 Task 11: 15 Task 12: 20 The current conveyor-paced assembly-line configuration assigns the workers in the following way: • Worker 1: Tasks 1, 2, 3 • Worker 2: Tasks 4, 5, 6 • Worker 3: Tasks 7, 8, 9 • Worker 4: Tasks 10, 11, 12 What is the capacity of the current line (in units per hour)?
Following data refers to the jobs (P, Q, R, S) which have arrived at a machine for scheduling. The shortest possible average flow time is days. Job Processing Time (days) 15 9. 22 12 ORS
A batch of 35 parts is ordered by a customer about every six months. The parts are currently processed sequentially through five conventional machines, listed in the following table with setup times and work cycle times per piece. These machines all require an operator to be in attendance during the work cycle. There is a delay of 10 hr/machine dueto transport between machines and waiting in queues of other parts processed by thesemachines. A recommendation has been made to process the parts on a new multitaskingmachine that would complete the batch in one setup, which would involve a simple fixtureand a setup time of 2.0 hr. The work cycle on the multitasking machine consists of thesame operations that are accomplished by the five machines, but the cycle time would beless than the sum of the five cycle times by one-half because of tool path improvementsand reduced part handling. Determine the manufacturing lead time (how long it takes tocomplete the batch of 35 parts, including…
It takes an operator 2 min to service a machine and 0.5 min to walk to the next machine. Each machine runs automatically for 3 min, the operator earns $12/h and the machine costs $25/h to run. What is the total expected cost per unit of production if 2 machines are assigned to the operator? $37 $77.5 $1.29 $62 $1.03
Q4: The Dynaco Manufacturing Company produces a particular product in an assembly line operation. One of the machines on the line is a drill press that has a single assembly line feeding into it. A partially completed unit arrives at the press to be worked on every 7.5 minutes, on average. The machine operator can process an average of 10 parts per hour. a: Determine the average number of parts waiting b: the percentage of time the operator is working, and be worked on, c: the percentage of time the machine is idle. 1 d: The management of Dynaco Manufacturing Company likes to have its operators working 90% of the time. What must the assembly line arrival rate be for the operators to be as busy as management would like? 63