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Ops Man
Topic 1 - Intro to ops man
Question | Answer |
---|---|
Production | Collection of processes, procedures, methods and techniques that result in goods and services |
Operations Management | Implies the management of the production system which transform the inputs into outputs |
Production Subsystem | Includes planning, decisions and activities that convert inputs into outputs |
Strategic Decisions | Affect products, processes and installations in LT Unstructured Difficult/ expensive to correct in short term Important to coordinate with other functional departments |
Tactical Decisions | Affect products, processes and installation in ST Structured and Repetitive Can correct in short term Planning control to detect deviations between reality and planning |
Operations Function (1) | (1) Planning - project future - Strategic = 3/5 years, problems in LT - Tactical = 1/3 years, MT, connects strategic and operational - Operational = weeks/1 year, refines strategic plan - Adaptive = removal of deviations in real results and objectives |
Operations Function (2) | (2) Production & control planning Strategic = demand forecasts, sales plan Aggregate = strategic at lowest cost, family level MPS = product planning, stable & flexible Material planning = components & capacity Execution & control = purchase orders |
Planning and control of STOCKS | Inventory = resources not used Stocks = retained capital Profitability = profit/assets |
Units | - Components = elements for final product - Products = production result - Families = group products w similar market requirements, production, materials - Types = group families share similar market behaviour |
Why do we need inventories? | Satisfy market demands Avoid interruptions in production Balance production Obtain economic benefits Get savings or speculation |
Factors in materials planning | Demand characteristics inventory costs (possession, emission, breakup, acquisition) Supply timing (external & internal) |