49316 Material Handling Assignment

Reference no: EM132862300

49316 Material Handling - University of Technology Sydney

Assignment - Discrete material

Question 1: An automated storage/retrieval system installed in a warehouse has five aisles. The storage racks in each aisle are 40 ft high and 160 ft long. The S/R machine for each aisle travels at a horizontal speed of 288 + PQ ft/min and a vertical speed of 44 + P ft/min. The pick and deposit time = 0.2 +(Q/100) min. Assume that the number of single command cycles/hr is twice to the number of dual command cycles/hr and that the system operates at (70 + P) % utilization.

Determine the throughput rate (loads moved/hr) of the AS/RS.

Question 2: An AGVS (Automated Guided Vehicles) will be used to satisfy the material flows indicated in the from-to chart in Table 1 below, which shows deliveries per hour between stations (before the slash) and distances in meters between stations (after the slash). Moves indicated by "L" are trips in which the vehicle is loaded, while "E" indicates moves in which the vehicle is empty. It is assumed that availability = 0.7+ (PQ/1000), traffic factor = 0.83+ (Q/100), and efficiency = 0.9. Speed of an AGV = 1+ (QP/100) m/s.

If load handling time per delivery cycle = 1.0 +(PQ/1000) min, determine the number of vehicles needed to satisfy the indicated deliveries per hour. NA means "Not Available".

Table.1

	To	1	2	3	4
From	1	0/0	9L/90	7L/120	5L/75
	2	5E/90	0/0	0/NA	4L/80
	3	7E/120	0/NA	0/0	0/NA
	4	9E/75	0/NA	0/NA	0/0

Attachment:- Material Handling.rar

Reference no: EM132862300

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