FAB3140 Precision Milling 2

Advanced · 1 credit · TMT - Trades, Manufacturing and Transportation

Description: Students develop specialized skills to use vertical and/or horizontal milling machines.
Prerequisite: FAB2140: Precision Milling 1
Parameters: Access to a fabrication facility, complete with a horizontal mill and accessories, and to instruction from an individual with specialized training in advanced level machining practices.

Outcomes The student will:

1 demonstrate print reading and job sequencing competencies
- 1.1 use a machine drawing to determine:
  - 1.1.1 the overall size and shape of a machine part
  - 1.1.2 specific types and sizes of grooves/slots, keyways and gear teeth
- 1.2 list and describe the machining operations for a given machine part and/or feature in a logical sequence
- 1.3 identify the appropriate type of milling machine and cutters for each operation
- 1.4 select workpiece holding device
- 1.5 calculate the appropriate cutting speeds, feed rates and recommended depths of cut for a given operation
- 1.6 select appropriate cutting fluids
2 perform safe vertical and/or horizontal mill set-up procedures
- 2.1 describe the hazards associated with manual milling operations
- 2.2 describe a safety plan in case of an accident
- 2.3 describe safe set-up procedures to mill grooves, keyways and gear teeth
- 2.4 identify the conditions that produce cutter failure including:
  - 2.4.1 excessive heat
  - 2.4.2 clogging
  - 2.4.3 work hardening
- 2.5 identify common machine parts that require indexing
3 perform groove keyway and gear cutting operations
- 3.1 identify and describe the types of cutters that are available for cutting common grooves/slots, keyways and gear teeth
- 3.2 explain the difference between a high speed steel and a tungsten carbide cutter
- 3.3 describe how an indexing head is used when cutting a spur gear
- 3.4 demonstrate skills in milling:
  - 3.4.1 grooves/slots
  - 3.4.2 keyways
  - 3.4.3 gear teeth
4 demonstrate basic competencies
- 4.1 demonstrate fundamental skills to:
  - 4.1.1 communicate
  - 4.1.2 manage information
  - 4.1.3 use numbers
  - 4.1.4 think and solve problems
- 4.2 demonstrate personal management skills to:
  - 4.2.1 demonstrate positive attitudes and behaviours
  - 4.2.2 be responsible
  - 4.2.3 be adaptable
  - 4.2.4 learn continuously
  - 4.2.5 work safely
- 4.3 demonstrate teamwork skills to:
  - 4.3.1 work with others
  - 4.3.2 participate in projects and tasks
5 create a transitional strategy to accommodate personal changes and build personal values
- 5.1 identify short-term and long-term goals
- 5.2 identify steps to achieve goals