Texts: Section 3 - Process
Question 3 - LO2 - Assessment Criteria - 2.4
3.1 Takt Time and Assembly Line Balancing
A company is setting up an assembly line to produce 500 units per eight-hour shift. The following table (Table 1) identifies the work elements, times, and immediate predecessors.
Table 1: Work Elements, Times, and Immediate Predecessors
Element Time (sec) Immediate Predecessor(s)
None A
A 15 23
A B
B C 17
B D 42
B E 15
C F 37
D,E G 5
F,G H 12
H 1 27
H J 18
LJ K 7
K Total - 252
Calculate the following:
i. What is the desired cycle time?
ii. What is the theoretical minimum number of stations?
iii. Use the largest work-element time rule to work out a solution, and show your solution on a precedence diagram.
iv. What is the efficiency and the balance delay of the solution found? (2, 3, 5, 42, 2) - [14 marks]
P.T.O
