L-5 ManufacturingProcessFundamentals

L-5 ManufacturingProcessFundamentals - Manufacturing...

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Manufacturing process fundamentals L-5 ME1800
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Objectives Review the objectives of manufacturing processes Review manufacturing process variables Understand geometric relationships in ther basics of chip formation
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Objective of manufacturing processes 1. Maximize value added (2. Minimize waste) Material value added Properties – mechanical, electro-magnetic Shape – surface – value added Geometry Material deformation Material addition and assembly Surface finish Surface formation and modification – through material deformation Surface coatings Material addition
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Bulk material Extractive Mining, reduction Bulk forming Casting Rolling Extrusion
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Material Removal Machining – chip formation: small number of large cutting points Shape – most important Surface – secondary Material Properties – superficial only
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Material Removal Grinding (abrasive processes) – chip formation: large number of small cutting points Shape – hard materials, molds, tools, bearings Surface – important Properties – superficial Electric Discharge Machining – spark erosion: melting and evaporation Shape – hard materials – molds, tools and dies
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Machining by chip formation The most important manufacturing operation
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L-5 ManufacturingProcessFundamentals - Manufacturing...

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