Machine Shop 3
Milling Operations - Squaring Angle Plate #1
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Milling Operations - Squaring Angle Plate #1
Part #  

Part Description: Squaring Angle Plate #1

Quantity Req.: 1

 Name _________________________

Date: ________________

PLEASE HAVE INSTRUCTOR INITIAL AND DATE  GREY BOXES (*), AFTER REQUIRED OPERATIONS
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Step# Location  Description  Initials  Date
10 Instructor Secure stock from Instructor Check to see that ground Sides A&B are flat with .001. *  
20 Vertical Mill  Indicate solid jaw of vise to within 0.001.
30 Vertical Mill Tram or Square the head to within 0.001.
40 Instructor Have Instructor check tramming and vise indication. *  
50 Vertical Mill Place stock on parallels in a vise with datum surface "A" down so as to machine a reference surface "C".
60 Vertical Mill Set Rpm and Feed rate.
70 Vertical Mill Position cutter to conventional cut side milling surface "C".
80 Vertical Mill Lock the appropriate table locks and lock the quill.
90 Instructor Have instructor check setup. Be prepared to answer questions concerning climb milling versus conventional milling and RPM Calculations. *  
100 Vertical Mill Take a trial cut on the datum face "C". Leave plenty of stock for finishing cuts.
110 Vertical Mill Deburr part and set up part for next cut on side "D". Position side "C" against the solid jaw of the vise with datum surface "A" on the parallels.
120 Vertical Mill Take a trial cut on surface "D". Leave plenty of stock for finishing cuts.
130 Vertical Mill Use a solid square to check perpendicularity.
140 Vertical Mill Have Instructor check the part for perpendicularity *  
150 Vertical Mill Turn the part and take the emaining 2 sides to size.
160 Bench Deburr and inspect part
190 Bench Deburr and inspect part
200 Instructor Turn in part for grading (These parts go into stock bin for drill press projects) *