|
Standards |
Posted:
10/09/07
|
R State Standard |
£ Institutionally Developed |
College: n/a |
Provides opportunities for students to develop skill in the setup and
operation of metal cutting lathes. Topics include: safety, lathes parts and controls, lathe
tooling and tool bit grinding, lathe calculations, lathe setup and operations.
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Competency Areas |
Hours |
|
|
Safety |
Class |
2 |
|
Lathes |
D. Lab |
8 |
|
Lathe
Tooling |
P.
Lab/O.B.I. |
0 |
|
Lathe
Calculations |
Credit |
6 |
|
Lathe
Setup & Operations |
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Prerequisite: |
Provisional
admission |
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Corequisite: |
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|
Course Guide |
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Competency |
After completing this section,
the student will: |
Hours |
||
|
Class |
D.Lab
|
P.Lab/ O.B.I. |
||
|
SAFETY |
1 |
1
|
0 |
|
|
Lathe |
Identify
and demonstrate lathe operation safety procedures. |
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|
|
|
Bench/Pedestal
Grinder |
Identify
and demonstrate grinder operation safety procedures. |
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LATHES |
4 |
4
|
0 |
|
|
Lathe
parts |
Explain
the function of each part of the lathe. |
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|
|
|
Lathe
controls |
Determine
the use and setting of each lathe control for specific jobs (facing,
drilling, cutting, and threading). |
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Use and
maintain coolant system on a lathe. |
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LATHE
TOOLING |
3 |
10
|
0 |
|
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Identification |
Identify
lathe tools for turning, facing, threading, and cut-off operations. |
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Tool
Grinding |
Grind
lathe turning and facing tools. |
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Grind
lathe form tools for grooving and relief cuts. |
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Tooling
requirements |
Determine
the type of cutting tool, tool holder, and work holding device for each
turning operation. |
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LATHE
CALCULATIONS |
6 |
5
|
0 |
|
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Speeds
and feeds |
Use
charts to find appropriate feeds and speeds. |
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|
Calculate
and set lathe speeds, feeds, and depth of cut. |
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Other
calculations (tapers, threads, drilling, etc.) |
Calculate
tapers, thread pitch and geometry. |
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LATHE SETUP &
OPERATIONS
|
6 |
60
|
0 |
|
|
Setup |
Plan
sequence of lathe operations. |
|
|
|
|
|
Set up
engine lathe for part holding. |
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|
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Align
lathe centers. |
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Operations |
Perform
turning and facing operations with part held in chuck. |
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Machine
parts between centers. |
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Machine
parts using collet chucks. |
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Perform
knurling operations. |
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Center
drill and drill parts. |
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Undercut
diameters and shoulders. |
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Turn
tapers. |
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Thread
external diameters. |
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Suggested Resources |
Walker, J, Machining
Fundamentals. Goodheart-Willcox.
Kibbe, R., Machine Tool Practices. Prentice Hall.
Krar, S., Technology
of Machine Tools. McGraw
Hill.
Journals/Magazines*
Modern Machine Shop
American Machinist
Tooling & Production
Posted: 10/09/07