This sample chapter is for review purposes only. Copyright © The Goodheart-Willcox Co., Inc. All rights reserved.
Project 2.2
Faced Bar—Drilled and Hand Tapped
Project 2.2
Machining Projects
Machining Projects
Project 2.2
Faced Bar—Drilled and Hand Tapped
Name ___________________________ Date __________
Instructor ________________________
Faced Bar—
Drilled and Hand Tapped
Period ________
NIMS Duties
The tasks in this project develop skills related to the following NIMS duties:
❍ Duty 1.1 Job Process Planning
❍ Duty 2.7a Grinding Wheel Safety
❍ Duty 2.4 Turning Operations: Chucking
Order of Operations
4.1, 13.7
13.7
13.2.3, 13.11
13.6
13.11
15.2
❏
❏
❏
❏
❏
❏
1.
2.
3.
4.
5.
6.
Select, measure, and cut stock to the specified length plus facing allowance.
Calculate and set appropriate speed and feed.
Set feed direction.
Select, mount, and adjust appropriate lathe tool bit.
Face the workpiece to the specified length.
Mount drill chuck in the tailstock.
Note
The end of the bar must be faced correctly before performing Step 7.
7. Center drill one end of the workpiece.
13.9.1, 15.2 ❏
6.10 ❏
8. Select appropriate tap drill.
15.2 ❏
9. Drill the workpiece as indicated on the drawing.
10.10 ❏ 10. Countersink to the major diameter of the thread.
10.13 ❏ 11. Tap the hole using a tap and tap wrench supported by the live center mounted
in the tailstock.
Notes
_________________________________________________________________________________________________
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Performance Evaluation—Instructor’s Use Only
Project completed on time?
❏ Yes
❏ No
If No, which steps were not completed ___________________________________________________________
Overall performance on project:
❏ Excellent
❏ Good
❏ Satisfactory
❏ Unsatisfactory
❏ Poor
Comments: _____________________________________________________________________________________
_______________________________________________________________________________________________
_______________________________________________________________________________________________
Instructor’s Signature_____________________________________________________
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Copyright by Goodheart-Willcox Co., Inc.
Copyright by Goodheart-Willcox Co., Inc.
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