ATMT 1250 - Machine Theory Shapers, Planers, Mills & Grinders

Credit Hours: 2.00

Objectives:

1. Using the material presented on sawing machines and shapers, list the proper sawing machine and shaper for specific machine shop cutting operations with 80% accuracy.
2. Using the material presented on gear cutting operations, list the gear cutting machines for specific types of gear cutting in the machine shop with 80% accuracy.
3. Using the material presented on speeds and feeds used in the machine shop calculate the correct speeds and feeds for machining operations with 80% accuracy.

Outcome 2: Upon completion of this course, the learner will be able to describe vertical and horizontal milling and boring machines, milling and boring tooling and milling and boring machine processes.

Objectives:

1. Using the material presented on vertical and horizontal milling and boring machines, identify the types of milling and boring machines, identify the correct milling and boring machine for specific milling and boring operations, including machine size and capacity with 80% accuracy.
2. Using the material presented on vertical and horizontal milling and boring machine tooling, identify the proper tooling for specific milling and boring operations with 80% accuracy.
3. Using the material presented on vertical and horizontal milling and boring machine processes, state the proper milling and boring process, calculate speeds and feeds on milling and boring operations for the following with 80% accuracy:
   1. Milling.
   2. Boring.
   3. Drilling.
   4. Indexing.

Outcome 3: Upon completion of this course, the learner will be able to describe grinding machines, grinding machine tooling and grinding machine processes.

Objectives:

1. Using the material presented on grinding machines, identify the types of grinding machines, identify the correct grinding machine for specific grinding operations, including machine size and capacity with 80% accuracy.
2. Using the material presented on grinding machine tooling, identify the proper tooling for specific grinding operations with 80% accuracy.
3. Using the material presented on grinding machine processes, state the proper grinding process, calculate speeds and feeds on grinding machine operations for the following with 80% accuracy:
   1. Dry surface grinding.
   2. Wet surface grinding.
   3. Cylindrical grinding.
   4. Outside diameters.
   5. Inside diameters.

1. Sawing machines - using reciprocating and horizontal band cutoff machines
2. Abrasives and cold saws - preparing to use the vertical band machine, using the vertical band machines
3. Shapers‐speeds and feeds‐ using the shaper
4. Gears and gear cutting - introduction to gears‐spur gear terms and calculations; cutting a spur gear; gear inspection and measurements
5. Vertical milling machines; the vertical spindle milling machines
6. Setups on the vertical milling machine; vertical milling machine operation; Feeds and speeds for end milling; using the offset boring head
7. Horizontal milling machines; plain and universal horizontal milling cutters
8. Setting speeds and feeds for horizontal milling; workholding methods and standard setups; machine setup and techniques for plain milling; Using side milling
9. Rotary tables and indexing devices‐ setup and operation of indexing heads and rotary tables; direct and simple indexing; angular indexing
10. Grinding and abrasive machining processes; selection and identification of grinding wheels
11. Trueing, dressing, and balancing of grinding wheels; grinding fluids, Horizontal spindle, reciprocating table surface grinder; using the surface grinder
12. Problems and solutions in surface grinding; center type cylindrical grinders; universal tool and cutter grinder
13. Preparation for machining operations; machinability and chip formation; speeds and feeds for machine tools; carbide and other tool materials