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BRIDGEPORT Series I

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The Series I Standard features an innovative airflow cooling design that uses no external fans to prolong bearing life and prevent expansion from heat build-up. A full range of accessories are available, including optional chrome-plated ways and gibs to ensure that the machine will last a lifetime. Hardinge is the only authorized provider of Bridgeport knee mills, parts and service. Please visit http://www.kneemills.com/ to learn more. Key features of the Bridgeport Series I Machine:

MACHINE SIZE

Floor Space

8.2 x 5.3 ft (2.5 x 1.6 m)

Machine height

7.04 ft (2.15 m)

Mass of Machine

1950 lb (885 kg)
2095 lb (950 kg) (Shipping)

WORKTABLE

Standard

49 x 9" (1245 x 299 mm)

T Slot center distance

3 @ 2.5" (64 mm) centers

T-Slot Size

0.625" (16 mm)

Height Above Floor (Max.)

47.25" (1200 mm)

Weight of Workpiece (Max.)

750 lb (340 kg)

Speed Range

High (Infinitely Variable)

500-4200 rpm

Low

60 - 500 rpm

Power Quill Feed

0.0015"/rev (0.038 mm)

Manual Adjust

0.003"/rev (0.076 mm)
0.006"/rev (0.152 mm)

Drilling Capacity

Power Quill Feed 3

3/4" Dia. (19 mm)

Manual Drilling Capacity

3/4" (19 mm) Mild Steel

Boring Range

6" (152 mm) Mild Steel

Spindle Diameter

1.875 in (48 mm)

Quill Diameter

3.375" (86 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

Range

Table travel (X-Axis)

36" (914 mm)

Saddle Travel (Y-Axis)

12" (305 mm)

Quill Travel

5" (127 mm)

Knee Travel (Z-Axis)

16" (406 mm)

Ram Travel

12" (305 mm)

Throat Distance (Max.)

6.75" (171 mm)

Throat Distance (Min.)

18.75" (476 mm)