Metalworking Basics. © 2011 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 1 of 16 Metalworking 101 In a metal cutting operation.

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Presentation transcript:

Metalworking Basics

© 2011 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 1 of 16 Metalworking 101 In a metal cutting operation what really happens to the material being machined? Temperature Shear Stress The material is plastically deformed and sheared away.

© 2011 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 2 of 16 Metalworking 101 What two things does it take to make a chip? HeatPressure

© 2011 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 3 of 16 Metalworking 101 Heat in a metal cutting application is created by what? =Speed SFM ipr doc

© 2011 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 4 of 16 Metalworking 101 Pressure in a metal cutting operation is determined by what? sfm IPR doc

© 2011 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 5 of 16 Metalworking 101 What are the 3 basic elements in carbide? Tungsten (W) Carbon (C) Cobalt (Co)

© 2011 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 6 of 16 Metalworking 101 What 2 of the 3 elements of carbide make up the hard, wear resistant grains? Tungsten (W) Carbon (C)

© 2011 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 7 of 16 Metalworking 101 What are the 3 primary angles that all cutting tools have? Relief Angle Lead Angle Rake Angle

© 2011 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 8 of 16 Metalworking 101 What are the 3 primary forces generated in metal working or chip forming? F t = Tangential Force F f = Feed Force F r = Radial Force

© 2011 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 9 of 16 Metalworking 101 Carbide likes to do what? Carbide does not like to do what?

© 2011 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 10 of 16 Metalworking 101 What are the 3 main operating parameters of a metal cutting operations that impact both tool life and productivity? sfm ipr doc sfm ipr doc sfm ipr doc FactorProductivityTool Life DOC1:11:0 Feed1:1 Speed1:11:2

© 2011 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 11 of 16 Metalworking 101 What are the 3 basic machining operations?

© 2011 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 12 of 16 Metalworking 101

© 2011 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 13 of 16 Metalworking 101 Turning Applications

© 2011 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 14 of 16 Metalworking 101 Holemaking Applications

© 2011 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 15 of 16 Metalworking 101 Milling Applications

© 2011 Kennametal Inc. l All rights reserved. l Proprietary and Confidential l 16 of 16 Metalworking 101 Tooling Systems