The QuickTech TT-42/60 CNC dual turning and milling complex lathe is designed in 42-mm and 60-mm bar capacities. According to the company, the lathe offers a reduction in the machine footprint, while increasing the machining capabilities and cutting capacity through the Meehanite cast iron frame and components. Maximum travel and feed is 5.51" × 16.14" × 9.05" (140 × 410 × 230 mm) in the main axis and 16.14" × 14.17" × 14.17" (410 × 410 × 360 mm) in the sub-axis. The machine provides complete part machining and features eight axes and four spindles—two turning spindles and two milling spindles.
A three-axis gang tooling system serves each spindle. The main tool post features six OD turning tools, four ID turning tools, three radial live tool heads and three axial live tool heads. Four OD turning tools, five ID turning tools, three axial live tool heads and three radial live tools heads are featured on the sub-tool post. Live heads are powered by a 1.3-hp (2-hp option) spindle motor. Live tooling is on both the main spindle and subspindle, with 12 live tools for axial and radial milling, drilling and tapping operations, delivering a total capacity of 31 tools for complex machining tasks. A tooling system is standard, and a mainstream tooling system is available upon request, as well as turning blocks that are compatible with Kennametal KM and Sandvik Capto systems.
Standard on the main spindle is a 10-hp torque spindle motor (15-hp option), while the subspindle is equipped with a 5-hp torque spindle motor for backworking. Bar capacity in the main spindle is 42 mm (60 mm option), and the subspindle offers a 42-mm capacity. Each spindle features a continuous C axis with braking system, and both are equipped with DIN-173-42B collet chucks. Delivering high radial and axial stability for heavy duty cutting, are the P4 high-precision bearings of the cartridge-type spindles. Synchronization of both the main spindles and subspindles enables parting-off operations or turning of longer workpieces.
The machine uses 35-mm Hiwin linear guideways, enabling increased stability and heavier cuts. Promoting precision are the ballscrews, which are double-anchored, pre-tensioned and directly coupled to the Mitsubishi servomotors. The machine is equipped with a Mitsubishi M700 control, with all spindles and axes implementing Mitsubishi AC 1.3-hp servomotors and amplifiers.
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