Name:
_________________________ Date
_________________________
Part # PS6I
Part Desc: Screw Jack Screw
Quantity Reqd: 1 Page
1 of 2
PLEASE HAVE INSTRUCTOR INITIAL AND DATE AFTER REQUIRED OPERATIONS
Instructor
Step # Location Description Initials Date
10 Instructor Obtain stock from Instructor
20 Lathe Place part in a chuck. Face
to cleanup and center drill.
30 Lathe Re-chuck the part so that
5 inches of stock is sticking
out of the chuck. Bring up the
tailstock for center support.
40 Lathe Rough turn the 1.125 diameter
and shoulder leaving a minimum
of 0.06 on the diameter and 0.015
on the shoulder face.
50 Lathe Re-chuck the part on the rough turned
end so that 3 inches of stock is sticking out.
Face to length and center drill.
60 Lathe Turn the 1.73 diameter.
70 Lathe Bring up the tailstock. Using a
dead center, support the end for knurling.
Remember to properly lubricate the
dead center.
80 Lathe Knurl the part as specified.
90 Lathe Rough turn the 0.890 and 1.125
diameters and shoulders leaving
a minimum of 0.06 on the diameter
and 0.015 on the shoulder faces.
100 Lathe Setup part between centers. Machine the under-
cut.
Name:
_________________________ Date
_________________________
Part # PS6I
Part Desc: Screw Jack Screw
Quantity Reqd: 1 Page
2 of 2
PLEASE HAVE INSTRUCTOR INITIAL AND DATE AFTER REQUIRED OPERATIONS
Instructor
Step # Location Description Initials Date
100 Lathe Finish turn and chamfer
the diameters between centers.
Use shim stock to protect
the finished surfaces.
110 Lathe Radius and deburr the part
120 Instructor Turn in for inspection.
