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Mouldmaking shops check out the new KAFO P Series

Mouldmaking shops check out the new KAFO P Series

Added to MTDCNC by TDT Machine Tools Ltd on 23 September 2015

The UK is a world leader in the mouldmaking industry. Unrivalled in the ability to produce high quality mould tools in short lead-times, the nation’s toolrooms can now call upon the high performance and build quality of P/PV high speed double column machining centres from Kao Fong Machinery (KAFO) to help boost competitive gain even further. Available in the UK from sole agent, TDT Technology, the new machines offer a price-to-performance ratio that is difficult to match without compromising on build quality.

Quality was the premium factor for KAFO when designing the P/PV series. A box structure machine bed along with a one-piece cast iron column and cross beam configured in a thermally symmetric structure help assure rigidity and high speed performance. Cutting rates of up to 20 m/min can be achieved in all axes, along with rapid traverse rates of up to 48 m/min on the P/PV-16 model. All machine castings are stress relieved and age-treated for long term precision without deformation.

The HSK A63 spindle is also designed for precision and rigidity with an enlarged diameter of 70 mm and ceramic bearing. This helps control vibration and thermal displacement to ensure repeatable accuracy over the lifetime of the machine. Spindle speed options are available up to 24,000 rpm (30 kW power, 125 Nm torque).

As standard, the range comes with linear scales and closed loop control system on all three axes to facilitate precision positioning of ±0.015 mm (with repeatability of ±0.003), as well as high performance contour machining. Control is via the latest Siemens 840D SL.

All axes adopt high speed, high precision servo motors to deliver impressive acceleration and deceleration, while the Z-axis also features a dual-screw servo drive system (without balance weight), which shortens the distance from the track surface to the spindle centre to support impressive metalcutting capabilities. To help deliver further competitive gain for mouldmakers, high precision, preloaded, roller-type linear guideways ensure superior dynamics and extended service life.

The axes on KAFO P/PV machining centres are driven by precision-ground preloaded and pre-tensioned double-anchored ballscrews featuring a central cooling system to minimise thermal expansion and enhance positioning accuracy.

The series is available in four models, with travels ranging from 1100 to 2300 mm in the X-axis, 600 to 1300 mm in Y, and 460 to 700 mm in Z. A robust design means workpieces weighing up to 5000 kg can be accommodated on the two largest models.

Included as standard are a coolant unit, spindle blast, spindle oil mist lubrication, air and coolant gun, auto power-off, RS232 and USB interfaces, chip conveyor and rigid tapping. Optionally, customers can add automatic tool length and diameter measurement, automatic workpiece measurement and an oil/mist collector.

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