Bridgeport Knee Mill A

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About our machine

  • Model: J head
  • Table:
    • Length: 36"
    • Depth: 9"
  • Vertical movement: 16"
  • Motor: 1HP 220V 3-Phase 1800RPM
  • Collet sizes: 1/8" to 1"
  • Digital Readout: DROII 2ML
  • Speed settings are half of what they say
  • The collet pin in the spindle is gone

Guides and Manuals

BRIDGEPORT DO’S AND DON’TS

DO

  • Ensure you have received training before performing an operation on this machine
  • Use appropriate coolants and lubricants designed for machining
  • Remove all tooling and extra fixtures used for your operations
  • Check the collet and inside of spindle for loose chips to prevent damage to both
  • Oil the ways to keep things moving smoothly and protect from corrosion
  • Report any damage or broken tools right away so they can be fixed/replaced

DON’T

  • Use water as a coolant without putting a rust-preventative in it like Kwikool
  • Leave metal chips on the machine or on the floor
  • Adjust or remove the vise, rotate the head, or modify the machine if you don’t know how the process to “tram” them back to square
  • Forget to clean up and put tools back in their proper place


General Tips and Safety

  • Wear safety glasses! Chips that come off are hot, and if your whole part comes off it will not be pretty.
  • If you need a sharp endmill, you should have your own set. Our tools are shared use and are not always the sharpest.
  • Clean and oil the machine's ways and surfaces when you are done
  • DO NOT USED COMPRESSED AIR TO CLEAN
  • DO NOT USE WATER AS A COOLANT. Water will rust the precision metal surfaces, making them not precision anymore. Use a rust-preventing additive like Kool Mist.


Tooling

  • Shars 45 degree 2" x 3/4" Face mill
    • Screws - Torx Flathead M5-12mm for inserts
    • Inserts - SEKT 1204 AFTN - FM33
  • Flycutter
  • Keyless Chuck
  • Boring Head

Fixtures

  • Large indexing head
  • Grizzly G5649 - 5-C Spin Index - How to use video
  • Phase II Rotary table 220-010 - 10" - manual
  • Rotary table - small

Maintenance

Parts:

Videos


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