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Question
Submitted by Viper1 on Wed, 2012-06-13 04:27
due on Fri, 2012-06-15 04:25
answered 2 time(s)
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Balance the assembly Line (Operations Managment)

Balance the assembly line for the tasks contained in the table. The desired output is 240 units per day. Available production time per day is 480 minutes.

Work Element Time (Sec.) Immediate Predecessor(s)

A 40 ---

B 45 ---

C 55 A

D 55 B

E 65 B

F 40 C,D

G 25 D,E

a) What is the desired Cycle time in seconds?

b) What is the theoretical minimum number of stations?

c) Use trial and error to work out a solution in the table below. Your efficiency should be at least 90%.

Station Candidates Choice Work-Element

Time (Sec) Cumulative Time (Sec) Idle Time

d) Calculate the efficiency of your solution.

Answer
Submitted by zext on Thu, 2012-06-14 12:46
teacher rated 73 times
4.90411
purchased 6 times
price: $8.00

Answer rating (rated one time)

5

correct answer

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check xxxxxxxx xxxxxx

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4. xxxxxxx the assembly xxxx xxx the xxxxx xxxxxxxxx in xxx xxxxxx The xxxxxxx output is xxx units per xxxx Available xxxxxxxxxx xxxx xxx day xx xxx minutes.

xxxxxxxxxx

xxxx xxxxxxx

xxxx xxxxxx

xxxxxxxxx Predecessor(s)

A

xx

xxx

B

45

---

x

55

A

x

55

x

x

65

B

x

xx

xxx

G

25

xxx

xxxx is xxx xxxxxxx xxxxx xxxx xx seconds? xx xxxxxxx

xxxxxxxx

Production xxxx xxx day x xxx minutes x 8 xxxxx

Desired xxxxxx rate(r) is xxx xxxxx per day = xxxxx = xx xxxxx xxx hour

Hence, desired xxxxx xxxx in seconds is given by

c x xxxxxxx x 120 xxxxxxx xxx xxxxx

xxxx is xxx theoretical xxxxxxx number xx stations? xx xxxxxxx

Answer:-

Theoretical minimum, TM x xxxx of all xxxxx xx

x (40+45+55+55+65+40+25)/360

xxxx = xxxxxxx =

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Answer
Submitted by StatSolver on Thu, 2012-06-14 06:06
teacher rated 56 times
5
purchased 4 times
price: $7.00

Please see the attachment for solution. If you need any clarification please ask me. Thanks.

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Please see the xxxxxxxxxx xxx solution. xx xxx need any clarification please ask me. Thanks.

file1.doc preview (253 words)

xx Balance xxx xxxxxxxx line xxx xxx xxxxx contained in xxx xxxxxx The desired output xx xxx units per xxxx Available production xxxx xxx xxx is xxx xxxxxxxx

xxxxxxxxxx

Work Element

Time xxxxxx

xxxxxxxxx xxxxxxxxxxxxxx

A

40

xxx

x

45

---

C

xx

A

D

55

B

x

65

x

x

xx

C,D

G

25

D,E

a) What is xxx xxxxxxx Cycle xxxx in seconds? xx xxxxxxx

xxxxxx time xx xxxxx xxx

xx = = (480 minutes/240 units)(60 seconds/minute)

xxxx x 120 seconds/unit

xx What is the xxxxxxxxxxx xxxxxxx xxxxxx xx stations? xx xxxxxxx

xx

The theoretical xxxxxxx xxxxxx of stations is xxxxx xxxx

xxxxxx = = (40 + 45 + 55 + 55 + xx x 40 + 25)/120

x xxxxxxxx

xxxx x 2.7083 or 3 xxxxxxxxx

xx Use trial and error to work out a solution xx xxx table xxxxxx xxxx

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