hw6_spring_09

# hw6_spring_09 - EML 6267 Assignment#6 Spring 2009 Please...

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EML 6267 Assignment #6 Spring 2009 Please remember to put your name on your assignment. Due: Monday, 3/23/09 1. (20 pts.) Complete problem 5 from chapter 4 of the text. List the K t and K n values for the Fourier approach. Please use plot limits of zero to 25000 rpm and zero to 6 mm. 2. (20 pts.) Complete problem 6 from chapter 4 of the text. 3. (60 pts.) The textbook provides the derivation for the six cutting force coefficients k t , k te , k n , k ne , k a , and k ae when the radial depth of cut is equal to the tool diameter (slotting). Determine expressions for the four coefficients k t , k te , k n , and k ne for arbitrary radial depths of cut (i.e., arbitrary start and exit angles). Perform the following steps: a) (10 pts.) Expressions for the mean x and y direction forces as a function of φ s , e , N t , b , f t , and the force model coefficients are provided in Eqs. 4.7.15 and 4.7.16. Organize these equations in slope-intercept form (similar to Eqs. 4.7.18 and 4.7.19).

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hw6_spring_09 - EML 6267 Assignment#6 Spring 2009 Please...

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