Advanced Metal CNC Badge Checklist

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