3/31/2014

L20XII Swiss-Type Lathe Offers B Axis and Removable Guide Bushing

Originally titled 'Swiss-Type Lathe Offers B Axis and Removable Guide Bushing'
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The L20 Type XII, part of Marubeni Citizen-Cincom’s L Series Innovation lineup, contains B-axis controllable rotary tools.

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The L20 Type XII, part of Marubeni Citizen-Cincom’s L Series Innovation lineup, contains B-axis controllable rotary tools. This additional axis of control allows drilling and milling of angled features and contours without retooling or resetting, with a total range of 135 degrees, from 90 degrees to -45 degrees. This allows the rotary tools to be used for both front and back machining. The Type XII also offers the flexibility of operating with or without the guide bushing. Users can install the guide bushing when machining long, thin workpieces and remove it again for machining shorter pieces or when short bar remnants are required.

Other upgrades for this generation include increased spindle through-hole diameter from 24 mm to 26 mm; faster spindle speed of the gang rotary tools from 5,000 rpm up to 6,000 rpm; faster spindle speed of back tool post rotary tools from 5,000 rpm up to 7,500 rpm; increased gang tool post from 25 to 26 tools, raising the total possible tools from 39 to 40; and decreased power consumption from 8kVA to 7.3kVA. 

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