The Citizen A20 VII sliding head auto lathe now incorporates a new X-2 axis on the back spindle and back tool post. This enables simultaneous cutting with two tools on the front and reverse ends of a component. The A20 VII has built-in 8,000 rpm spindle and sub-spindles and rapid traverse rates have been improved from 18 m/min to 32 m/min. Four 6,000 rpm driven tools are available as standard and one can be interchanged to accept face, rotary or slitting style tools.
Both the main and sub-spindles are built-in avoiding the use of belt drives. The main spindle is powered by a 3.7 kW drive and the sub-spindle by a 1.5 kW unit. The modular toolholder configuration will hold up to five turning tools. There are also four front end tools and eight positions for back end machining that can be split into four tools on each side of the spindle.
The Citizen A20-VII offers higher flexibility for machining parts up to 165 mm long at an installed ready-to-run price of less than £75,000.
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