How to Mount Multiple Heads on a Bridgeport Mill

Adding additional mill heads onto a Bridgeport milling machine is straightforward. Many manufacturers sell adapters for Bridgeport machines that make it possible to add one to three additional drill heads for maximum efficiency. Always use an adapter and new spindle head set designed for use on Bridgeport machines to avoid unnecessary risks and problems. After purchasing the adapter and new heads, it is a uncomplicated matter to slide the pieces in place and tighten the connections between the mill and add-ons.

R8 taper drive adapter
Adjustable multiple spindle head
Wrench

Instructions

- 1
  Lift the drilling spindle head so that it faces out rather than down. This is the position that you set the mill head when loading the machine with wood. If the mill head will not stay in this position on its own, you will have to hold it in place with one hand or have a friend hold it in place as you work.
- 2
  Fit the R8 taper drive adapter over the existing mill spindle head. Tighten the bolt at the base of the taper adapter with a wrench.
- 3
  Fit the adjustable multiple spindle head over the taper adapter. Align the spindle heads into the desired position. Screw the spindle heads in place by tightening the bolts with a wrench.

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