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PTG HOLROYD PRECISION 1EX CNC Machine Specifications
Origin: UK
Category: Rotor Profile Cutting Mill
| Minimum Diameter | 150 mm |
| Maximum Diameter | 250 mm |
| Swing over Worktable (Diameter) | 300 mm |
| Maximum Component Weight | 300 kg |
| Maximum Component Traverse | 750 mm |
| Maximum Lead Angle from Vertical | 55° LH / RH |
| Maximum Component Length | 900 mm |
| Diameter of Bore in Spindle | 130 mm |
| Spindle Speed (infinitely variable) | 0.5 to 10 rpm |
| Rapid Traverse Rate | 12,000 mm/min |
| Maximum Cutter Diameter | 250 mm |
| Recommended Cutter Diameter | 200 mm |
| Cutter Arbor Interface | ISO 40 Taper |
| Maximum Cutter Width | 50 mm |
| Cutter Speed (infinitely variable) | Up to 10,000 rpm |
| Minimum Feed Rate | 0.1 mm/min |
| Minimum Distance from Component Centre Line to Cutter Centre Line | 100 mm |
| Maximum Distance from Component Centre Line to Cutter Centre Line | 450 mm |
| Quill Traverse | 150 mm |
| Auto-Travel of Tailstock Body | 850 mm |
| Infed Position Repeatability | 0.005 mm |
| Angular Positional Accuracy (Divide) | 10 Arc Seconds |
| Lead Inaccuracy of Machine in 300 mm | 0.010 mm |
| Cutter Spindle Motor Power | 22 kW |
| Work Rotation Motor Power | 30 Nm Max |
| Cutter Head Infeed Motor Power | 3000 Nm Max |
| Cutter Spindle Swivel Power | 3000 Nm Max |
| Work Traverse Power | 3000 Nm Max |
| Electrical Power Supply | 75 kVA |
| Compressed Air Supply | 3 Litres @ 6 Bar |
| Coolant Tank Capacity | 350 Litres |
| Machine Height | 3300 mm |
| Floor Space (width × depth) | 5400 × 5100 mm |
| Mass of Machine | 4,300 kg |
| Other Components | Light Grey – RAL 7035 |
| Standard Paintwork | Light Grey – RAL 7035 |