Bridgeport Series 1 is renowned for its cost effective versatility, ideal both for tool-room and production work. This machine accommodates simple and complex work by allowing the tool to be positioned and orientated for compound axis machining. Both types have a 5 inch hard-chrome plated R8 quill that is ground and lapped to the main casing honed bore. |
The 12 speed V-belt drive' variant is excellent for slower speed work, with power supplied through a strong and reliable back-gear assembly. |
- Two infinitely variable speed ranges (50 to 450 rpm, 450 to 3750 rpm). The speed setting dial for the variable-speed head is selected whilst the motor is running
- Quick-action drilling and fine-feed quills. The handles of both the quick-action drilling and wheel operated fine-feed are detachable
- Three rates of power feed, down and up are provided
- The brake slows the spindle rapidly from high speed and can be locked for tool changes
- A clutch, designed to slip in overload conditions, protecting the spindle from damage
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| Table Travel: |
| Spindle speeds rpm | Table size: | Long hand: | Across: | Vertical (knee): | Head vertical travel (quill): |
| Bridgeport BR J milling machine | 67 - 2300 | 42" x 9" | 30" | 12" | 16" | 5" |
| Bridgeport BR 2J milling machine | 50 - 3750 | 42" x 9" | 30" | 12" | 16" | 5" |
PHS Associates