TNK-65 The efficient CNC fixed headstock turning machine
Dynamic rigidity and thermal stability for the highest precision of your turned parts.
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Simultaneous machining with up to 3 tools
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Easy change-over and handling by very good accessibility to the work area
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Process reliability through vertical and clearly structured work area with large axis travels and generously sized tooling circles
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Economic power density due to small erecting dimensions
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Dual function of the lower X/Z slide:
Tool turret and swiveling counter spindle for rear end machining
TNK series in focus
The machine design
The main spindle
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Highly dynamic motor spindle in synchronous design
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Fast acting C-axis positioning for short cycle times
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Liquid cooling supports the thermal stability of the machine
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High spindle performance allows large cutting volume
The back working attachment
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8 tool stations
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5 of which are live tool stations (12,000 rpm and 6.7 kW)
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Long travel distances of the counter spindle allow a large tool pool
Upper tool carrier
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10 tool stations
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Powerful tool drive on all stations
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Long axis travels
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Turret indexing designed as NC rotary axis (without mechanical interlock) allows any angle positioning and chip-to-chip times of 0.4 s (station to station)
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Simple multiple tooling of tool stations
Counter spindle with lower tool carrier
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Powerful counter spindle with large travel distances in the X- and Z-axes
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Integrated tool turret with 9 stations
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Fast C-axis positioning
Dual Drive (option)
The drive system in which the next tool is accelerated or decelerated during main time. Moderate acceleration and gentle deceleration ensure a long service life of the live tool holders. The Dual Drive system allows a tool change from live tool 1 to tool 2 in just 0.4 s chip-to-chip time