American Made Precision

SUPER-PRECISION CNC Turning Centers

The undisputed market leader in Precision Hard Turning for the most demanding jobs

SUPER-PRECISION turning centers deliver exceptional accuracy, performance, and production efficiency for demanding machining applications. Our SUPER-PRECISION T-Series machines are designed for hard turning, high-precision two-axis turning and complex multi-function operations, including applications requiring delicate part handling and complete machining in a single setup.

Preconfigured machine packages feature popular options and configurations, helping manufacturers select the right solution for their production requirements, part complexity, and operational goals.

SUPER-PRECISION Machine Models

Kellenberger hard turning kellenberger sp51 fr gesch 4c

T-42 (42mm Bore Size)

Spindle HP: 15HP (11kW) (30 min.)
Spindle Speed: 6,000 RPM
Chuck Size: 6" (150 mm)
Max. Machining Length: 14.2" (360.7 mm)
Max. Machining Diameter: 8.91" (226.3 mm)
Bar Size: 1.625" (42 mm)
No. Turret Stations: 16 Station (BMT-45)
CNC Control Unit: FANUC 31i-B
Approx. Machine Weight: 13,100 lbs (5,940 kg)
Floor Space: 98" x 83.5" x 82.25" (2,489mm x 2,121mm x 2,089mm)

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T-51 (51mm Bore Size)

Spindle HP: 20HP (15kW) (Cont.)

Spindle Speed: 5,000 RPM
Chuck Size: 8" (2000 mm)
Max. Machining Length: 23.6" (599.5 mm)
Max. Machining Diameter: 12.35" (313.7 mm)
Bar Size: 2" (51 mm)
No. Turret Stations: 12 Station (BMT-55)
CNC Control Unit: FANUC 31i-B
Approx. Machine Weight: 17,200 lbs (7,800 kg)
Floor Space: 128.23" x 91.04" x 83.6" (3,257mm x 2,312mm x 2,123mm)

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T-65 (65mm Bore Size)

Spindle HP: 35HP (26kW) (Cont.)

Spindle Speed: 4,000 RPM
Chuck Size: 10" (250 mm)
Max. Machining Length: 23.6" (599.5 mm)
Max. Machining Diameter: 12.35" (313.7 mm)
Bar Size: 2.5" (65 mm)
No. Turret Stations: 12 Station (BMT-55)
CNC Control Unit: FANUC 31i-B
Approx. Machine Weight: 17,200 lbs (7,800 kg)
Floor Space: 128.23" x 91.04" x 83.6" (3,257mm x 2,312mm x 2,123mm)

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SUPER-PRECISION Hard Turning

In this video, you’ll discover:

High machine rigidity for maximum precision
Excellent surface quality of 0.2 μ or better
Circularity testing for maximum geometric accuracy
Dynamic balancing of the spindle and drive motor
Seamless integration of spindle motor technology without belts
High repeatability of the axes to 0.76 μ
Robust, user-friendly control with 0.1 μ control resolution