Name:
_________________________ Date
_________________________
Part # 6G
Part Desc: Roll Ends
Quantity Reqd: 2
PLEASE HAVE INSTRUCTOR INITIAL AND DATE AFTER REQUIRED OPERATIONS
Instructor
Step # Location Description Initials Date
10 Instructor Secure stock from Instructor
20 Lathe Face one end to clean up
center drill #4 center drill
30 Bench Layout overall length
40 Lathe Face to overall length
& center drill
50 Lathe Chuck ¾ inch leaving
room to turn the 1.600
diameter. Use Tailstock
to make the set up rigid.
60 Bench Determine the following cutting conditions for
rough turning using the Machinerys’ Handbook
and the Carbide Turning Calculator.
Cutting speed=
RPM =
Brinell Hardness (HB) =
Depth of cut =
Feed rate=
Horsepower at spindle =
Instructors
Initials Date
Name:
_________________________ Date
_________________________
Part # 6G
Part Desc: Roll Ends
Quantity Reqd: 2
PLEASE HAVE INSTRUCTOR INITIAL AND DATE AFTER REQUIRED OPERATIONS
Instructor
Step # Location Description Initials Date
70 Lathe Turn the 1.600 Diam.
80 Lathe Turn the 1.100 Diam.
90 Lathe Drill the .25 hole through.
100 Lathe Break all sharp edges.
110 Lathe Turn the part around. Chuck
on the 1.100 turned diameter.
120 Lathe Drill for the 1.75 diameter.
Be careful you must leave the bore with
A flat bottom .75 deep.
130 Lathe Using a carbide boring bar, bore the
1.75 hole.
140 Lathe Turn the 2.3500 diameter. This diameter
has a tolerance of .001 .
150 Lathe Turn the chamfer.
160 Lathe Break all sharps.
170 Lathe Repeat steps for Roll End #2
180 Instructor Turn both parts in for grading
