Fundamentals of machining processes on lathes and vertical mills. Precision measurement with micrometers, vernier calipers, and dial indicators.
Prerequisites
IST 180 or instructor permission
Course Outcomes
Upon successful completion of the course, students should be able to demonstrate the following knowledge or skills:
- Observe appropriate safety rules as pertaining to general machine shop practices.
- Use reference guides such as the “Machinist Handbook” to calculate various machining functions.
- Use precision tools.
- Demonstrate the basic skills to safely operate a Engine Lathe, the Vertical Milling machine, and various other shop tools.
Course Content Outline
- Measure & Inspect parts with precision measuring tools:
Verify dimensions
Verify alignments
Verify clearances
Inspect machined parts - Perform Layouts:
Analyze specifications
Perform precision layouts from blueprints
Use of reference material such as the Machinist Handbook - Operation of Bench Grinders:
Grind lathe tools
Sharpen carbide tools
Sharpening drill bits - Operation of Lathes:
Set up Engine Lathe
Calculate and set lathe speeds, feeds and depth of cut
Indicate and machine parts in 4-jaw chuck
Machine parts using collet chucks
Machine parts using faceplate
Perform forming operations
Perform knurling operations
Center drill and drill parts
Bore, face and recess internal diameters
Ream holes to specifications
Undercut diameters and shoulders
Machine eccentric diameters
Cut off parts
Calculate tapers
Turn tapers
Thread external diameters
Plan sequence of lathe operations - Operation of the Vertical Milling Machine:
Set up the Vertical Mill for manual and automatic operations
Calculate and set speeds, feeds, and depth of cut
Change tool holders and cutters
Establish zero reference point on workpiece
Machine techniques using conventional and climb milling
Machine closed pockets
Machine angles
Machine radii using form milling cutter
Machine T slots
Machine Dovetails
Center drill, drill and ream holes
Tap holes on the Vertical Mill
Identify milling problems
Perform basic milling machine maintenance
Plan sequence of Vertical Mill operations - Metric conversion
- The use of the Arbor Press:
Broaching process
Straightening shafts
Press fits - The use of the Drill Press:
Drilling and Tapping
Reaming and Boring operations - Performing Housekeeping Activities