Stjörn SR 20 R

Star SR 20 R

Swiss type turning machine manufactured in 2000. This Star SR 20 R was designed for precision turning with a maximum turning diameter of 20 mm and a spindle speed of 8,000 rpm. It features 6 fixed turning tool stations and 4 radial motorized tool stations, providing versatility for various applications. Consider the opportunity to buy this Star SR 20 R swiss type turning machine. Contact us for further details.

• Capacities
• Maximum turning diameter: 20 mm
• Maximum mobile tailstock travel (single clamping): 205 mm
• Maximum workpiece diameter / through bore: 20 mm
• Maximum workpiece length (front ejection): 80 mm
• Spindle
• Spindle bore diameter: 20 mm
• Feeds
• Rapid feed (linear axes): 20 m/min
• Rapid feed (C-axis): 90,000°/min
• Maximum cutting feed (linear axes): 10 m/min
• Maximum cutting feed (C-axis): 10,000°/min
• Tooling
• Fixed turning tool: M8 × 1.25
• Rotary tool on comb slide: M6 × 1
• End mill on comb slide: Ø 10 mm
• Fixed turning tool stations (std/opt): 6
• Tool shank diameter (std/opt): 12 mm
• Radial motorized tool stations: 4
• Max speed of motorized units: 8,000 rpm
• Max power of motorized units: 1.2 kW
• Fixed drilling/tapping tool stations: 4
• Max collet diameter (ER collet): 10 mm
• Max drilling capacity (C45 steel): 8 mm
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• Max tapping capacity (C45 steel): M8 × 1.25 / M6 × 1
• Power and utilities
• Available power: 2.2 kW
• Total installed power: 7 kVA
• Tank capacity: 155 L
• Machine dimensions & weight
• Maximum footprint: 2.21 × 1.08 m
• Axes
• Number of axes: 2 (X and C)