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New broaching system for CNC lathes and CNC machining centres from WNT

Story added 09 January 2010.

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A new broaching system from WNT (UK) is designed for use on CNC lathes, CNC machining centres and sliding head lathes. The broaching system enables slots that would normally be produced on stand-alone machine tools to be completed in a single set-up.

Users of the broaching system can now confidently produce slots and grooves to precise tolerances and by eliminating second operations the overall accuracy of components is improved.

The design of the clamping mechanism for the indexable NPV-type s is such that it overcomes one of the key issues with existing broaching systems, namely breakage. As a result cutting data can be increased and typically, when broaching a 42CrMo4 850N/mm2 steel, the feedrate will be 7200 mm/min at a depth of cut of 0.072mm.

The recently introduced range includes solid carbide tools (type NPU) and a range of indexable type tools (type NPV) with both being available to cut class C11 (DIN138), Class JS9 (DIN 6885) and Class P9 (DIN 6885) grooves. The tools are available in a variety of widths ranging from a nominal 4 mm through to 10 mm.

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