2.5 Review Assignment Modified 04192021

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School

ECPI University, Virginia Beach *

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Course

322

Subject

Mechanical Engineering

Date

Jan 9, 2024

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docx

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6

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MET322 CNC Machines 2.5 Review Assignment Remember to create a word document file named CourseCode_Assignmentnumber_LastName.docx (For example MET322_PA1.4_Jones.docx) This is where you will provide answers to questions, if any, as well as copy and paste screenshots and G-codes. NOTE For simulation purposes, remember to create tools and temporary turn all lines containing commands using machine coordinates into comment lines. The machine home reference point is a suggestion. The true location must be determined at the time of setup. To help locate the position of the cutter center in the following exercises, we suggest that you draw the part geometry in any available CAD software, then offset it by the radius of the tool. This way is much easier than using right-angle triangle trigonometry identities. (For Problems 3, 4, and 5 only) Problem 1 Consider the part shown. Do the following: Write the G-code in Flashcut, or any other software program recommended by your instructor, to drill the holes ONLY. Do NOT thread. Save the G-code program file as LastName_FirstName_2.5RA_Prob1 Copy and paste the G-code in the word document you created previously Paste screenshot of the Flashcut three views into the Word document you created Save the word file Hint: (This problem is similar to the Review Exercise 9.3)
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Problem 2 Consider the part shown. Do the following: Write the G-code in Flashcut, or any other software program recommended by your instructor, to drill the holes. Do NOT bore or ream the lower-left and upper-right holes. Save the G-code program file as LastName_FirstName_2.5RA_Prob2 Copy and paste the G-code in the word document you created previously Paste screenshot of the Flashcut three views into the Word document you created Save the word file Hint: (This problem is similar to the Review Exercise 9.4) Problem 3 The G-Code: N10 G00 Z6.35000 N20 G00 X0.00000 Y0.00000 N30 G01 Z-2.54000 F50.80 N40 G01 X6.00000 Y0.00000 F127.00 N50 G01 X6.00000 Y3.00000 N60 G01 X4.00000 Y3.00000 N70 G01 X3.00000 Y4.00000 N80 G01 X1.00000 Y4.00000 N90 G01 X0.00000 Y2.50000 N100 G01 X0.00000 Y0.00000 N110 G00 Z6.35000 N120 G00 X0.75000 Y1.00000 N130 G01 Z-2.54000 F50.80 N140 G01 X0.75000 Y2.19722 F127.00 N150 G02 X0.79199 Y2.33590 I0.25000 J0.00000 N160 G01 X1.32717 Y3.13868 N170 G02 X1.53518 Y3.25000 I0.20801 J-0.13868 N180 G01 X2.58579 Y3.25000
N190 G02 X2.76256 Y3.17678 I0.00000 J-0.25000 N200 G01 X3.61612 Y2.32322 N210 G03 X3.79289 Y2.25000 I0.17678 J0.17678 N220 G01 X5.00000 Y2.25000 N230 G02 X5.25000 Y2.00000 I0.00000 J-0.25000 N240 G01 X5.25000 Y1.00000 N250 G02 X5.00000 Y0.75000 I-0.25000 J-0.00000 N260 G01 X1.00000 Y0.75000 N270 G02 X0.75000 Y1.00000 I-0.00000 J0.25000 N280 G00 Z6.35000 N290 G00 X0.00000 Y0.00000 Problem 4
Consider the part shown. Do the following: Write the G-code in Flashcut, or any other software program recommended by your instructor, to manufacture the part. Save the G-code program file as LastName_FirstName_2.5RA_Prob4 Copy and paste the G-code in the word document you created previously Paste screenshot of the Flashcut three views into the Word document you created Save the word file Hint: (This problem is similar to the Review Exercise 11.4) Submission Guidelines Submit 2 Files : 1. Submit the Word file you created. 2. Submit a Zip file containing all the supporting files in a folder named LastName_FirstName_2.5RA.zip for submission.
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