Bridgeport CNC

This page is intended to give an overview and basic instruction on the use of the Bridgeport CNC mill.



Control Panel
Use Auto Spindle Man. to enable manual spindle control

Use Spindle Auto Brake to change tools



Start Machine
1. Turn on main power

2. Wait for control box to boot

3. Press cycle start to home axes

Change Tools
1. Turn spindle auto brake on

2. Loosen chuck completely

3. Insert tool

4. Tighten Chuck

Zero Part X and Y Axes
1. Setup Menu > Part Menu

2. Use edge finder to find edge of part

3. Select axis

4. Insert edge finder diameter

5. Select approach direction

6. Set zero

Zero Part Z Axis
1. Insert tool #1

2. Use 1 inch gauge block located on back of mill

3. Lower the tool so the tip touches the gauge block, but the block still slides freely

4. Set offset to 1 inch

5. set zero

Zero Reference Tool
1. Setup Menu > Tool Setup > Tool Library

2. First tool in library will have zero offset

3. Select tool #1

4. Lower the tool so the tip touches the gauge block, but the block still slides freely

5. Move the tool off the part and lower Z axis 1 inch

6. Press Z Ref

Zero Tools
1. Select tool

2. Lower the tool so the tip touches the gauge block, but the block still slides freely

3. Move tool off part and lower Z axis 1 inch

4. Press Measure

Load Program
1. Insert flash drive with program loaded

2. Load Menu

3. Select D drive

4. Select Program

Run Program
1. Run Menu

2. Search

3. Type 1 for first line of program

4. Press Cycle Start

5. Follow directions for tool change

6. Cycle start after tool change

Shut Down
1. Go to Main Menu

2. Select shutdown

3. Select power off

4. Once control box has shut down turn main power switch off

Additional Resources
Manual located on back of machine