FILENAMES:

chips_001.jpg
chips_002.jpg
chips_003.jpg

DESCRIPTION:

These are diagrams of forces in the cutting of metal chips. 

Posted by Jim Pfaltzgraff <jpfaltzgraff@shindaiwa.com>.  

The following description was provided:

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Drawings of chip formation

Chip 2 is a sketch showing how the shear angle affects chip thickness

Chip 1 and 3 show chip formation geometry and cutting forces.  From TMEH 
Desk Edition, chapter 19 which goes through the math in excruciating detail.