Milling Machine Rubric

Identify the following tool features

• Quill
• Table
• Vice
• X, Y, Z handle
• Table locks
• Spindle on/off
• Drawbar
• Collets

Machine Safety: Identify and mitigate common hazards

• Spinning/moving things - tools, spindles, tables, chips
• Stationary things that could accidentally move - esp workpieces
• Heavy things - vise/ rotary table, etc.
• Sharp things - tools, chips, burrs on workpieces
• Hot things - tools, chips, workpieces

Personal Protective Equipment

• Knows what clothing and PPE should and should not be worn when operating the mill, such as:
  safety glasses, work gloves, rings, jewelry, open/closed toed shoes, long hair, long/short sleeves

Tool Selection

• Select an appropriate cutting tool (i.e. end mill) for a basic task
• Understand how tool properties like flute count, tool diameter, tool material, center-cutting, etc. affect correct tool selection and setup
• Determine correct feeds, speeds
• Identify climb vs. conventional milling and identify when one or the other is most appropriate

Allowable Materials

• Can name three materials allowed on the mill.
• Can name three materials that are not allowed on the mill

Safe Operation

• Demonstrates proper work-holding.
• Demonstrates milling procedures on a small piece of metal, a small pocket.
• Demonstrates a proper tool change.
• Demonstrates cleaning the table.

Limits of Knowledge

• Demonstrates awareness of limits of own knowledge, and can identify when and where to seek additional information or help