Question: 4. The Model J Wagon is to be assembled on a conveyor belt. Five hundred wagons are required per day. Production time per day is

4. The Model J Wagon is to be assembled on a

4. The Model J Wagon is to be assembled on a conveyor belt. Five hundred wagons are required per day. Production time per day is 420 minutes, and the assembly steps and times for the wagon are given in table. Assignment: (). Find the balance that minimizes the number of workstations, subject to cycle time and precedence constraints. (ii). calculate the efficiency Rule 1: Prioritize tasks in order of the largest number of following tasks. Rule 2: Prioritize tasks in order of longest task time. Task Description Task Time (in seconds) 50 Tasks That Must Precede A 11 B D B 9 45 E F 15 12 Position rear axle support and hand fasten four screws to nuts. Insert rear axle Tighten rear axle support screws to nuts Position front axle assembly and hand fasten with four screws to nuts. Tighten front axle assembly screws. Position rear wheel #1 and fasten hubcap. Position rear wheel #2 and fasten hubcap. Position front wheel #1 and fasten hubcap. Position front wheel #2 and fasten hubcap. Position wagon handle shaft on front axle assembly and hand fasten bolt and nut. Tighten bolt and nut. D G 12 C E I 12 12 E F,G,H,I J 8 K 9 J

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