Category:Milling Machines

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|rubric            = [[Milling Machine Rubric]]
|rubric            = [[Milling Machine Rubric]]
|training          = [ Tool Training: Manual Milling Machine] and [ Manual Machining and Layout]
|training          = [{{ClassSchedule|keywords = mill}} Tool Training ]
|testing = By appointment after taking class.

Current revision as of 18:10, 16 December 2018

Tool Species
Milling Machines

A tool species is a logical grouping of tools based on similarity of function, use, and safety.

Asylum Tool Species Info
To use any of the tools listed on this page, you are required to complete the testing program described here. You should get training or equivalent experience at the Asylum or elsewhere before testing.
RubricMilling Machine Rubric
TrainingTool Training
TestingLook for testing
Operational Status
Operational Status
Maintenence Tickets

This document is an internal Artisan's Asylum training document and is provided "as is", to be used as a reference only. Use of this document for any purposes other than as reference material (i.e., for the purposes of training and testing users on tools or equipment by other commercial entities or individuals) is not advised. In no event shall the authors of this material, or Artisan's Asylum, Inc., be liable for any claim, damages, or other liability whether in action or contract, arising from, out of, or in connection with the use of the information in this document for training, testing, or on-going safe use of fabrication equipment. Please consult your own lawyers and subject matter experts if you are looking to develop your own safety curriculum for fabrication equipment operation. Tool operators are responsible for their own safety, including reading and understanding the owners manual for this equipment and all of the warnings it contains.


Personal Protective Equipment

  • Standard shop personal protective equipment (safety glasses, no long hair, no flowing clothes, etc.) are required
  • ABSOLUTELY NO gloves, rings, bracelets, or other items on your hands or fingers, as these may get caught on tool or work.

Safe Operation


  • Always check drawbar torque and tool fixation.
  • Always use a proper collet/chuck for your tool.
  • Always remove drawbar wrench from drawbar before running the spindle.
  • When changing gear, always check engagement prior to running the spindle.
  • Never turn on the spindle with a tool touching the work.
  • Only plunge with a centercutting endmill.


  • Always use the vice (for now) to hold work securely.
  • Always make sure that the vice or parallels are not in the tool-path.

Common Maintenance Operations

  • For tool life
    • Use a cutting fluid/oil.
    • When in doubt, take light passes and feed slowly especially when cutting hard materials.

Allowable Materials

  • Materials machined on the mill include all materials allowed in the machine shop
    • ferrous metals
    • most non-ferrous metals
    • plastics.



This 2.5-hour personalized training will launch you into the world of precision machining at the Artisan's Asylum! Makers of all types will benefit from shaping aluminum, steel, and plastics into precisely cut parts.

In this class students will learn to safely use our two Bridgeport Vertical Milling Machines (a.k.a. knee mills, a.k.a. millers).

After an introduction to terminology and machine anatomy, students will learn the following operations:

  • Changing spindle speeds and identifying cutting speed ranges.
  • Changing cutting tools including end mills, fly cutters, drills, and countersinks.
  • Holding workpieces in the vice and precisely locating part edges.
  • Facing raw aluminum stock for perfect surface finish.
  • Milling steps, slots, and pockets in aluminum.
  • Precision hole location and drilling.
  • Cleanup and machine care.

Class Goals:

Students will become familiar with basic machine anatomy, workholding, toolholding, and various safe mill operations. If proficiency is achieved, students will leave the class qualified to do independent work on the Asylum's two precision Bridgeport Vertical Milling Machines.

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