Designed with the oil and natural gas industry in mind, the CNCB450 Big Bore Rotary Table is the perfect solution for large diameter bar work.

Offering high strength and accuracy, the CNCB450 is capable of cutting through holes in workpieces and features a powerful hydraulic clamping system. As with all NIKKEN products, the CNCB450 is designed for high performance, easy maintenance and life long durability. 

CNCB450 Rotary Table
CNCB450 Rotary Table Technical Diagram

Nikken Rotary Table Catalogue – 2019

(PDF - 20.7 MB)

CNCB450
Face Plate Diameter[Ømm] 450
Table Range/Type BIG BORE
Standard Motor Orientation (Left Hand Option Available for Right Hand Tables) RIGHT
Diameter of Spindle Hole [Ømm H7] 205
Number of Spindles x Pitch [mm] 1
Centre Height [mm] 280
Width of T-Slot [mm] 18
Clamping System HYD
Clamping Torque [Nm] 3870
Table Inertia at Motor Shaft [Kg m2 x 103] 2.8
Servo Motor [min1] αiF12·2000
Min. Increment [Degrees] 0.001
Rotation Speed [min1] 25.0 (50.0)
Total Reduction Ratio 1/120 (1/60)
Indexing Accuracy [sec] 15
Indexing Accuracy Ultra Precision [sec] N/A
Net Weight [Kg] 330
Max. Vertical Work Load on Table [Kg] 350
Max. Horizontal Work Load on Table [Kg] 700
Max. Horizontal Thrust Load on the Table [N] 63720
Strength of Worm Wheel Without Brake (Against Dynamic Cutting Thrust) [FxL Nm] 3531
Max. Thrust Load on the Table [FxL Nm] 5990
Guideline of Max. Unbalancing Load (Vertical with Support) [Nm] 150
Max. Work Inertia [Kg m2] 17
Driving Torque [Nm] 576