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Emory MBA PSM - Operations

Terms in this set (14)

Project
No flow; facility size varies; worker skills = breadth; inventory = raw materials; equipment = general purpose; low capital intensity; capacity = fuzzy - only expressed in monetary terms; bottlenecks continually shifting; low capacity utilization; speed varies; worker has control over pace; every job has set ups; incremental process changes required by new products; slow rate of change in process tech
Job Shop Process
jumbled flow; small facility size; worker skills = breadth; inventory = raw materials; equipment = mostly general purpose, some specialization; low when equipment utilization is high; capacity varies; bottlenecks shifting frequently; low capacity utilization; slow speed; worker & manager has control over pace; frequent job set ups; often incremental process changes required by new products; slow rate of change in process tech
Batch Process
mixed process flow; moderate facility size; worker skill varies; inventory varies; equipment varies; capital intensity varies; capacity definition varies; bottlenecks shift predictably; capacity utilization varies; moderate speed of process; worker & manager has control over pace; some set-ups but not complex; often incremental process changes required by new products; slow rate of change in process
Assembly Line Process
line flow, rigid pattern; large size of facility; depth lower worker skills; finished goods inventory; specialized low & high technology; capital intensity varies; clear definition of capacity in terms of output rate; bottlenecks general known and stationary; high capacity utilization; fast process speed; process design and management has control over work pace; few and costs set-ups; incremental and radical process changes required by new products; moderate to high rate of change in process technology
Continuous
continuous or automated; large size of facility; depth lower worker skills; finished goods inventory; specialized high technology; capitally intense; clear definition of capacity in terms of physical terms; bottlenecks known and stationary; very high capacity utilization; very fast process speed; equipment and process design has control over work pace; rare and expensive set-ups; often radical process changes required by new products; moderate to high rate of change in process technology
throughput time
sum of all activities/processes times
Cycle Time of the system
longest processing time in a workstation
theoretical capacity formula
shift time / Cycle Time
Effective Capacity Formula
[Shift time - (sum of times except bottleneck)] / bottleneck
Calculating Capacity
divide shift time by activity time
System Capacity
shift time / the bottleneck
Utilization (Percent)
System Capacity / Activity Capacity
SIPOC
Suppliers, Inputs, Process, Outputs, Customers
vendor-managed inventory (VMI)
an approach for improving supply chain efficiency in which the manufacturer is responsible for maintaining the retailer's inventory levels in each of its stores
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