Grotnes 2440/CNC-H CNC 4-Axis Concentric Horizontal Spinner, 2021

Wall Thickness: +/- 0.1 mm
Weld Type: Plasma, Laser, or TIG
Weld Thickness: 100% of Parent Material +/-0.1 mm
Weld Flatness: +/-10% of Parent Material Thickness
Radial Misalignment: +/-5% of Parent Material Thickness
Axial Misalignment: +/-10% of Parent Material Thickness
Weld Quality: Free from Voids and Impurities, from end of tube to end of tube, no weld burn-back
Tube Ends: No burrs
Tube Concentricity: +/- 0.25 mm
Tube Perpendicularity: +/- 0.12 mm (for length control)

Part Diameter: 6" maximum
Part Length: 30" maximum (dependent on part configuration & tooling design)
Number of Forming Rolls: 1
Number of Axial Axes: 1
Number of Radial Axes: 1
Axial Slide Force: 12,000 lbf
Radial Slide Force: 12,000 lbf
Axial Slide Velocity: 400 inch/min
Radial Slide Velocity: 400 inch/min
Type of Feedback: Heidenhain Glass Scale
Forming Roll Diameter: 7”
Headstock
Spindle Nose DIN 55022 size 11
Spindle Horsepower: 50 Hp
Type of Drive: AC Drive w/ Regen Braking
Rated Spindle Speed: 2000 RPM maximum
Tailstock
Tailstock Cylinder Travel: 29" maximum
Headstock/Tailstock Clearance: 32" maximum (distance between face of chuck and face of tailstock shaft, w/o tooling)
Clamping Force: 8,000 lbf maximum
Speed: 400 in/min
General
Hydraulic System: 30 Hp, 2500 psi, 50 GPM
Type of Control: Siemens 840D CNC
Estimated Weight: 25,000 lbs.
Utilities
Electrical: 480 Volts, 3 Phase, 60 Hz, 200 Amps
Grounded Wye connection
Pneumatic: 60 to 100 PSI low volume lubricated shop air
Water: 10 gpm minimum at 80° F