This Kern Microvario is a five-axis simultaneous machining centre — also referred to as a five-axis CNC milling centre — designed for high-precision complex part machining across multiple faces in a single setup. Kern is a German manufacturer with a strong reputation in the precision machining industry, particularly known for building high-accuracy machining centres used in toolmaking, medical technology, watchmaking, and aerospace component production.
The machine is equipped with a Heidenhain TNC 640 CNC control and offers linear travels of 350 mm in X, 220 mm in Y, and 250 mm in Z. Full five-axis simultaneous movement is achieved through a B-axis with a swivel range of −110° to +110° and a C-axis with a continuous rotational speed of up to 200 RPM. Working feed rates range from 0.01 to 30 m/min.
The high-frequency spindle is a MFW1224 unit with vector control, covering a speed range of 500 to 42,000 RPM continuously. It delivers 15 kW in S1 continuous duty and 20 kW at S6 40% duty cycle, with tooling via HSK-E40 holders. The automatic tool changer accommodates 228 tools in HSK-40 format.
Workpiece handling is supported by an EROWA Power Chuck P system integrated with an EROWA Robot Compact 80 automation cell, offering 80 pockets for palletised parts and including an electronic handwheel for manual positioning. Coolant is delivered through the tool centrally, and the machine uses full oil lubrication. Chip management is handled by a chip conveyor combined with a 30-micron band filtration system. Additional equipment includes a Blum laser tool measuring system, a chiller unit for thermal management, graphite filtration, and a built-in fire suppression system. The machine runs on a 400 V / 63 A power supply and has recorded 4,181 spindle hours. Approximate machine weight is 5,300 kg. This unit was manufactured in 2022, is offered in used condition, and is currently located in France.
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