Basic Milling / Bridgeport


This class covers the components and tools used in basic manual milling operations. The class focuses on set up and operations of the Bridgeport Milling Machine. Students will use GRCC lab to machine projects to hone their newly acquired skills. Each day of class will consist of 1 hour of lecture and 3 hours of lab time.

Course Outcomes:


Identify the vertical mill and horizontal mill

Identify major components of milling machines including:
  • Motor and drive unit
  • Tool head
  • Ram and ram adapter
  • Turret
  • Column
  • Base
  • Knee
  • Saddle
  • Table
Tram in head ±.001

Mount and align work holding devices ±.0005

Demonstrate proper use of edge finders and wigglers

Calculate and select proper speeds and feeds

Identify and select proper cutting tools to accomplish specified machining task including:
  • HSS endmill
  • Carbide mill cutters
Determine the characteristics of endmills including:
  • Number of flutes
  • Center vs. non-center cutting
  • Ball vs. flat-bottom
  • Taper flute
  • Roughing
  • Single angle (dove-tail)
  • T-slot
  • Shell mill
Determine the characteristics of carbide mill cutters including:
  • Solid carbide
  • Carbide tipped
  • Insert
  • Face mill
Identify and mount cutting tools and holders including:
  • Split collets
  • Solid collets
  • Shell mill arbors
  • Quick change adapter
Distinguish and correctly apply the concept of conventional and climb milling techniques

Perform drilling, reaming, tapping, counter boring and countersinking operations

Perform end milling, side milling, slotting, facing and slab milling operations

Machine material square and parallel to specified tolerance

Mill and drill features to specified tolerance

Requirements to complete the class:

Students must demonstrate skills by completing project work.


Andy Beach has been a leader in the manufacturing industry for 20 years from owning a CNC shop, starting and managing a manufacturing team in a multi-million-dollar company, working as an Applications Engineer for a top machine sales company and a senior CNC machinist and programmer. Andy has an associate degree from Ferris State University in Manufacturing Tooling Technology. Currently he owns a consulting business where he provides instruction both in Industry and at GRCC.

This course is not currently scheduled. Please email us at for information about the next offering or if you are a business looking for customized training.