Machine Shop 3 - Milling Operations

Step#	Location	Description	Initials	Date
10	Instructor	Secure stock from Instructor	*
20	Vertical Mill	Place stock on parallels in a vise so as to rough machine Datum side B.
30	Vertical Mill	Set Rpm and Feed rate.
40	Vertical Mill	Position cutter for facing cut.
50	Vertical Mill	Lock the appropriate table locks and lock the quill.
70	Instructor	Have instructor check setup. Be prepared to answer questions concerning RPM, feedrate, and machine operation.	*
80	Vertical Mill	Take a trial roughing cut on the datum face B. Leave plenty of stock for finishing cuts.
90	Vertical Mill	Deburr part and set up part for next cut according to the information sheet or textbook information on squaring a part.
100	Vertical Mill	Take a trial roughing cut on surface C. Leave plenty of stock for finishing cuts.
110	Vertical Mill	Use a solid square to check perpendicularity.
125	Instructor	Have Instructor check the part for perpendicularity	*
120	Vertical Mill	Turn the part and take the remaining 2 sides to size.
130	Vertical Mill	Before doing the ends, indicate the solid jaw of the vise for squareness using the method found in your study materials.
140	Vertical Mill	Have Instructor check your vise indication and vise alignment skill. Be prepared to answer questions about climb vs. conventional cutting directions.	*
150	Vertical Mill	Take a clean up side milling cut on the datum face A. Leave plenty of stock for finishing cuts. Check the part for perpendicularity.
160	Vertical Mill	Using the height gage and an angle plate layout the overall length of the part.
170	Vertical Mill	Finish milling the part to length.
190	Bench	Deburr and inspect part
200	Vertical Mill	Follow the same procedure and machine part 2. This time work on maximizing your roughing cuts.
190	Bench	Deburr and inspect part
200	Instructor	Turn in both parts for grading	*