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The TNL18 and the TNL18P are sliding headstock automatic lathes designed to be changed over quickly to produce precision parts with or without a guide bush for long or short parts ranging to a 20-mm-diameter bar. The machine can be equipped with as many as three tools on the part at once.
The machines are designed for medical component machining, delivering precision and surface finishing in a single operation.
The tool capacity of the TNL18 can be increased to as many as 54 tool places through dual- and multi-holders. Features allow for a chip-to-chip time of 0.3 second. The machine uses the company’s compact shaft system—a system for the mounting of toolholders in the turret.
The lathe is designed to be changed over for use with and without a guide bush for long or short parts. The Z-travel distance of the headstock ensures the positioning of the main spindle, either for turning with a guide bush or without. In the standard design, the main spindle is equipped with a C axis and provided with either a direct drive, with high dynamic response or a belt drive (TNL18P) and high torque in order to achieve large cutting volumes.
According to the company, simultaneous machining with multiple tools ensures high productivity levels by both machines; as many as three tools may be used simultaneously on two spindles. The TNL18P differs from the TNL18 in that the Y-axis motion of the upper turret is mapped by interpolation of the X/C/H axes, permitting contour milling, and off-center axially parallel drilling.
The 2016 Capital Spending Survey
The machine tool market bottomed in the summer of 2016, but will continue to rebound in 2017 as shops invest in technology for unattended operation.