Essay Earth Buddy

989 Words Jan 25th, 2012 4 Pages
yDylan Dissanayake
Student ID : 15223568
Session 1 : Earth Buddy

10/01/12

Q1.
How many Earth Buddies can Ben count on producing in one shift? How many if the factory works 2 shifts? Three shifts? How many if it operates three shifts a day, seven days a week? Which operation is the bottleneck?

TASK | TIME | NUMBER OF OPERATORS | a.BUDDIES/HR | b.BUDDIES/SHIFT | c.BUDDIES/ "2" SHIFTS | d.BUDDIES/ "3" SHIFTS | e.BUDDIES/ "3" SHIFTS - 7 DAYS | FILLING | 1.5 | 6 | 240 | 1680 | 3360 | 5040 | 35280 | MOULDING | 1.6 | 3 | 225 | 1575 | 3150 | 4725 | 33075 | EYES | 1.2 | 2 | 300 | 2100 | 4200 | 6300 | 44100 | EYE GLASS | 1.2 | 1 | 300 | 2100 | 4200 | 6300 | 44100 | PAINTING | 1.5 | 1 | 240 | 1680 | 3360 | 5040 | 35280 |
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What would the resulting operator utilisation be?

If all produce at 225/hr.

Time used at each process is:

Filling
225 x 6 = 5.625
240

Moulding
225 x 3 = 3
225

Eyes
225 x 2 = 1.5
300

Eye Glass
225 x 1 = 0.75
300

Painting
225 x 1 = 0.938
240

Packing
225 x 2 = 1.25
360

= 13.06

15 Workers doing 13.06hrs effective/hr
87% Utilisation.

Q4.
Ben would like to balance the output of his operations on a two-shift basis, and avoid both WIP build-up and work idle time. He is contemplating asking some of his afternoon shift workers to work slightly shorter hours by starting later than the normal 4:00pm start time. Which workers should he ask to work shorter hours? When should they start work?

At the end of on shift moulding has (15x7)105 buddies WIP.
Therefore moulding has 105/225 hrs supply = 0.467 x 60 min = 28 min

Eyes
300 x 7hrs
225 x 7 = 1575

1575 = 5.25hrs
300

Q5.
Anton has just received a large order from Wal-Mart, and anticipating more orders, has asked Ben to increase production to 4000 units per day. How should Ben respond?

Ben can operate at 3 shifts and produce 4725 buddies per day, which is the

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