advancing the drill twice its diameter, back the drill out and clean off shav- ings before continuing.
6.Continue until the desired depth is drilled.
Turning
Turning is the removal of metal from the outer diameter of a cylindrical work- piece to reduce the diameter and to pro- duce a smooth finish on the metal. Longer workpieces may need to use a dead or live center in the tailstock to support the work- piece.
1.Attach tool to the chuck.
2.Adjust the angle of the tool holder so the tool is perpendicular to the side of the workpiece. The left side of the tip of the tool should engage the work, but not the entire front edge.
3.Make sure the half nut and feed le- vers are disengaged.
4.Turn the motor on. The leadscrew should now be rotating counterclock- wise.
5.Position the tool beyond the end of the workpiece and engage the half- nut lever. The carriage should move slowly to the left under power from the leadscrew. When the tool gets to within about 1/4” of the chuck, disen- gage the
6.Repeat until the desired diameter is reached.
Note: When cutting under power be care- ful to not run the tool into the chuck.
Thread Cutting
1.Set the machine up for the desired thread pitch.
2.Insert the appropriate tool into the chuck and secure.
3.Start the machine and engage the half nut.
4.When the tool reaches the workpiece, it will cut the initial threading pass.
5.When the tool reaches the end of the cut, stop the machine by turning the motor off.
6.Back the tool out of the workpiece so that it clears the thread. Do not disen- gage the half nut lever.
7.Reverse the motor direction to allow the cutting tool to traverse back to the starting point.
8.Repeat until you have obtained the desired results.
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