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Mazak’s Quick Turn Smart series of two-axis lathes is designed for high-productivity job shop environments. The QT-Smart 350 is said to deliver fast feed rates, high accuracy and rigid construction. The headstock features a 12" chuck mounted on a 40-hp, 3,300-rpm integrated spindle motor. It delivers a maximum torque of 596 foot-pounds and machines 4" bar material.
The lathe utilizes linear-motion roller guides on the X and Z axes to ensure rigidity and smooth cutting at feed rates of 1,811 ipm on the X axis and 1,299 ipm on the Z axis, the company says. The machine also features X-axis ballscrew pretension for increased accuracy, as well as a 12-position, high-speed, non-lift drum turret for rapid tool indexing.
The Mazatrol Smart control is designed for ease of use and features a 10.4" LCD color display and QWERTY keyboard. A pointing device and a USB port for downloading programs are also included. Conversational part programming can be accomplished in Mazatrol language. The control also accepts EIA/ISO programs.
The lathe features an NC servodriven tailstock for automation. The tailstock is fully programmable and drives the W axis on its own AC servomotor and ballscrew. Through the part program, the tailstock will retract to a known position, making center contact with the part under consistent holding pressure, the company says. The positive, independent drive system enables the tailstock to be used to drill holes on a shaft centerline, adding versatility to the jobs it can process.
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.