Bridgeport CNC

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

Bridgeport overview.jpg






Axis Control[edit]

Axis Control.jpg

Control Panel[edit]

Use Auto Spindle Man. to enable manual spindle control

Use Spindle Auto Brake to change tools

Bridgeport control panel.jpg

Relevant Menus[edit]

Main Menu
Setup Menu


Start Machine[edit]

Main Power Switch

1. Turn on main power

2. Wait for control box to boot

3. Press cycle start to home axes










Change Tools[edit]

Bridgeport tool change.jpg

1. Turn spindle auto brake on

2. Loosen chuck completely

3. Insert tool

4. Tighten Chuck







Zero Part X and Y Axes[edit]

Part zero menu with x axis selected

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[edit]

Part zero menu with z axis selected
Use of gauge block to zero z axis and tools

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[edit]

Tool zero catalog menu

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[edit]

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[edit]

Program Load Menu

1. Insert flash drive with program loaded

2. Load Menu

3. Select D drive

4. Select Program








Run Program[edit]

Program Run Menu

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[edit]

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[edit]

Manual located on back of machine

Bridgeport manual.jpg