The Hardinge Bridgeport Series 1 Standard is an industrial-grade CNC Vertical Machining Centers (VMC) powered by the Manual / 2-Axis CNC Retrofit. It offers working travels of 762 x 305 x 406 mm, a top spindle speed of 4,200 RPM, and a 3-axis kinematic layout. It supports standardized digital factory monitoring via MTConnect.
The Bridgeport Series 1 Knee Mill is universally acknowledged as the most iconic machine tool in human history. Found in virtually every machine shop, vocational school, and prototype lab on Earth.
| Standardized Parameters & Ratings | |
|---|---|
| Manufacturer (Brand) | Hardinge (United States) |
| Machine Type | CNC Vertical Machining Centers (VMC) |
| CNC Controller System | Manual / 2-Axis CNC Retrofit |
| Number of Controlled Axes | 3-Axis Simultaneous / Positioning |
| X-Axis Travel | 762 mm |
| Y-Axis Travel | 305 mm |
| Z-Axis Travel | 406 mm |
| Maximum Spindle Speed | 4,200 RPM |
| Spindle Motor Rating | 1.5 kW |
| Spindle Taper Interface | R8 |
| Table / Platter / Chuck Size | 1067 x 229 mm |
| Max Table Load Capacity | 340 kg |
| Automatic Tool Changer (ATC) | 1 Tool Stations |
| Rapid Traverse Rate | 2.5 m/min |
| Approx. Machine Weight | 950 kg |
| Industrial IoT Protocol | Standard Serial/DNC |
| Table Size | 1,067 x 229 mm (42 x 9 in) |
| X Travel | 762 mm (30 in) |
| Y Travel | 305 mm (12 in) |
| Knee Travel | 406 mm (16 in) |
| Quill Travel | 127 mm (5 in) |
| Spindle Taper | R8 |
| Spindle Speed | 60 - 4,200 RPM |
| Machine Weight | 950 kg |
Invented in 1938 in Bridgeport, Connecticut, its swivelling ram and tilting head allowed operators to machine any angle without re-clamping, laying the groundwork for modern milling.