MAINTENANCE POLICY: cirteria & strategies we use in making maintenance. -> There are two types of maintenance: -> TYPE: -> Involves monitoring of one (or more) parameters characterizing the wear process (e.g. crack growth in a mechanical component). Accompanying Maintenance Measures: Preventive Maintenance: Cyclic Maintenance: -> DEF: PM actions are carried out at set-times (clock-based) […]
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Design & Improvement of Manufacturing Systems through the use of Factory Physics: 1.Introduction: -> DEF: FACTORY PHYSICS is a systematic description of the underlying behavour manufacturing systems. It… Source: Wallace, J.H., Spearman, L.M.. “Factory physics: physics: foundations of manufacturing management”. Irwin McGraw-Hill, 2001. -> OPERATIONS MANAGEMENT (OM): is the tradisional field in which operations are
-> DEF: definition of the physical oragnization of the factory: -> OBJ: create a CAD draqing of the factory layout. ❓Which are the element to be considered? -> Comparing the lead time we can understand if a company is better than another, bacause is a matter of cost. -> A good layout is a matter
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Index: The ASSEMBLY SYSTEMs: -> DEF: system which join together components in order to obtain finished products; MANUAL ASSEMBLY SYSTEM: system composed by a several stations in which one or more workers executes assembly activities. Type of Assembly System: -> FIXED POSITION ASSEMBLY: product don’t move while beingh assembled, required components are brought to the
General Features: -> DEF: series of production equipment used to make non reversible chemical-physical transformation of materials through a fixed technological routing. -> CHAR: -> MODELS: Example: Cement -> DEF: hydraulic binder. -> MANUFACTURE: FLOW SHEET CEMENT MANUFACTURING: ASME PROCESS DIAGRAM Physical flow: -> Raw materials are converted to Finished Products through production stages ->
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Some definitions: CEL: a group of machines that are not technologically homogeneous, but fully capable of working families of similar parts. MANUFACTURING CELL: group of functionally dissimilar machines that are placed together and dedicated to the manufacture of a specific range of parts / products. FAMILY: group of similar parts from the morpho-technological point of
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-> DEF: working stations are organized in groups of similar stations in terms of implemented technology (it gives the name to the department). -> CHAR: Outline: General Features -> CHAR: -> When a product is introduced in the product portfolio => Production process has to be developed. -> The technological office is in charge of
Course Structure: Introduction: Industry/ Industrial: from latin “Industria/e” which means “activity”, “laborious news” -> DEF: Economic activity concerned with the processing of raw materials and manufacture of goods in factories. INDUSTRY: work and processes involved in collecting raw materials, and making them into products in factories. TECHNOLOGY: the application of knowledge for achieving practical goals
