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Bridgeport Badge

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  1. Prerequisites None required
  2. Review materials
  3. Pass quiz
  4. Checkout
Documentation: not submitted Submit the Training Documentation form for staff review.
Documentation

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Review materials
Badge Video
Pass Quiz

17 questions · You can retake if you don't pass.

Badge Checkout Requirement
In person checkout required
Facilitator Checkout

Pick a checkout time below. All bookings flow through the appointment system — please do not arrange checkouts via Slack.

Day Morning (9 AM - 11 AM)
Sunday
May 17, 2026
Facilitator badge checkout
Schedule 10:00am
With Nathan Rawling
Complete these items to earn the badge.
  • Bridgeport Milling Machine
  • Quiz taken, hair/clothing properly restrained?
  • Demonstration of control box and pneumatic drawbar
  • Identify:
  • Power
  • Way Locks (X, Y, knee, and quill)
  • Identify Tools and know purpose
  • Drill Chuck, Collet, Vise, Clamp
  • End Mill
  • Oil Ways
  • Pump & Fitting*
  • How would you tram the head and indicate the vise
  • Look at the part drawing
  • Square up workpiece (check for the following)
  • Secure workpiece (that is rough cut)
  • Do they account for not being square
  • Using wood/cardboard/dowel as a shim for unknown/rough geometry
  • Do they use parallels when needed
  • Using rubber mallet/dead blow to tap down part
  • When should you do this?
  • Installing Tools
  • Pick tool, why one or the other?
  • Picking Collet
  • CLEAN Collet and spindle
  • Use rag then hands, to make sure completely clean
  • Change the Drive Speed*
  • What speed do they choose
  • Belt Bridgeport
  • Keep belt straight
  • Tension belt
  • Variable Speed Bridgeport
  • Make sure machine is running
  • If this were steel, how would you change your tool, speed, feed and depth of cut?
  • Make Cuts
  • When and how would you brush on cutting oil if this was Al?
  • Face Mill
  • Side Mill
  • Please explain Climb vs Conventional Mill
  • Which direction is which
  • Conventional is for bulk material
  • Climb is for light finish passes (could break tool due to backlash otherwise)
  • Slot Mill the island
  • To the depth + dimensions shown in drawing
  • Explain how you would clamp to Table
  • Make sure you won’t drill/mill table
  • Bolts close to the workpiece
  • Clamp at a declined angle to workpiece
  • Demonstrate Quill Power Feed
  • Using Back Gears
  • When to use what speed (same principles as Drill Press)
  • Look up feed/speed in Machinery’s Handbook
  • Cleaning up tool
  • Replacing accessories
  • Vacuumed up after use
4 people listening and watching Brandon, the instructor, indicating something on the Bridgeport Mill
Badges earned
 
What to Expect:
 
In this comprehensive class, participants will learn crucial aspects of the Bridgeport Mill, from safety protocols and basic operations to advanced techniques for successful milling. Topics covered include identifying the locations and functions of safety mechanisms, efficient installation and removal of cutting tools, proper clamping procedures, startup and speed selection sequences, accurate squaring of the machine's vise, and referencing the Machinists Handbook for tool selection, cutting speeds, and feeds.
 
Workshop Highlights:
 
- Safety First: Master the use of safety mechanisms, including the milling machine's E-stop, to ensure a secure working environment.
- Tool Mastery: Learn the art of swiftly installing and removing cutting tools, understanding proper clamping procedures, and selecting the right tools for the job.
- Startup Sequences: Navigate startup and speed selection sequences for optimal milling performance.
- Precision Techniques: Achieve accurate and safe squaring of the machine's vise and learn minor procedures for successful manual milling.
- Problem-solving Skills: Discover techniques to salvage a part in case of mistakes or incorrect dimensions, ensuring a successful milling operation.
 
Note:
 

Participants must watch the following two videos before the class:
Bridgeport Vertical Milling Machine Basics
Metalworking Metrology
 

(Note: Participants *must* watch the two videos listed above. Anyone who has not watched the videos may be asked to leave, no refund will be issued.)

 
This class is open to individuals with no previous experience, providing a welcoming entry point into the world of manual milling.

Badge Earned:
 
Upon successful completion of this class and the online badging process, MakeHaven members will earn the prestigious Bridgeport badge.

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