|
|
|
|
Range |
|
|
Table travel with Power Feed (X-Axis) |
36 in
914 mm |
|
Table travel without Power Feed (X-Axis) |
31 in
787 mm |
|
Saddle Travel (Y-Axis) |
12 in
305 mm |
|
Quill Travel |
5 in
127 mm |
|
Knee Travel (Z-Axis) |
16 in
406 mm |
|
Ram Travel |
12 in
305 mm |
|
Throat Distance (Min.) |
6.75 in
171 mm |
|
Throat Distance (Max.) |
18.75 in
476 mm |
|
Spindle (2J Head) |
|
|
Power Rating 30 min. Duty Cycle |
3 HP
2.2 kW |
|
Power Rating Continuous |
2 HP
1.5 kW |
|
Tooling |
R-8 Collets |
|
Drilling Capacity |
|
|
Power Quill Feed 3 |
3/8 in
9.5 mm |
|
Manual Drilling Capacity |
2 CI/min |
|
Boring Range |
6 in
152 mm dia. |
|
Spindle Diameter |
1.875 in
48 mm |
|
Quill Diameter |
3.375 in
86 mm |
|
Speed Range |
|
|
High (Infinitely Variable) |
500-4,200 RPM @ 60 Hz |
|
Low |
60-500 RPM @ 60 Hz |
|
Power Quill Feed |
0.0015 in/rev (0.038 mm) |
|
Manual Adjust |
0.003 in/rev (0.076 mm) |
|
Manual Adjust |
0.006 in/rev (0.152 mm) |
|
Worktable |
|
|
Standard |
49 x 9 in
1,245 x 299 mm |
|
T Slot center distance |
3 @ 2.5 in
64 mm |
|
T-Slot Size |
0.625 in
16 mm |
|
Height Above Floor (Max.) |
47.25 in
1,200 mm |
|
Weight of Workpiece (Max.) |
750 lb
340 kg |
|
Machine Size |
|
|
Height |
87 in
221 mm |
|
Weight |
1,930 lbs
875 kg |
|
Weight (Shipping) |
2,075 lbs
941 kg |
|
Floor Space |
7 x 10 ft
2133 x 3048 mm |
The Bridgeport Series I Standard Mill is the original milling, drilling and boring machine. The Bridgeport Series I Knee Mill is the most popular mill ever made with over 370,000 machines built over the past 70-plus years. Hardinge® is the only authorized provider of Bridgeport knee mills, parts, and service.
Standard Features
Innovative airflow cooling design that eliminates the need for external fans to prolong bearing life and prevent expansion from heat build-up.
One-Shot Lubrication System Chrome-Plated Ways and Gibs Color—Machine Tool Gray
Optional Features
2 or 3-Axis Digital Readout
Power Drawbar for R-8 or #30 Quick-Change Spindle Worklight Electrics—NFPA/NEMA-12 Standards, optional NRTL testing
A full range of accessories are available, including optional chrome-plated ways and gibs, to ensure that the machine will last a lifetime.
The Bridgeport Series I Standard Knee Mill is the single most ubiquitous milling, drilling, and boring machine in the world. It can be found in job shops across the globe serving in countless capacities.
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