Face Gear Rotary Table

The HRT320FB face gear rotary table from Haas Automation, Inc. (Oxnard, CA) features a high-precision face gear coupler (Hirth type) that provides both superior indexing accuracy and extreme rigidity.

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The HRT320FB face gear rotary table from Haas Automation, Inc. (Oxnard, CA) features a high-precision face gear coupler (Hirth type) that provides both superior indexing accuracy and extreme rigidity. The 12.6" (320 mm) diameter platter can be positioned in 1-degree increments, with an accuracy of ±3 arc-sec and a repeatability of ±1 arc-sec. Once positioned, the platter offers 3500 ft-lb of brake torque. This extreme rigidity allows for heavy off-center milling, drilling or tapping operations, even in the hardest materials.

A powerful brushless servo motor provides an indexing speed of 80 deg/sec and spindle torque of 500 ft-lb (678 Nm). The T-slot platter has a center height of 9" (228.6 mm) and a large 3.25" (82.6 mm) through-hole. Six radial T-slots allow for easy mounting of fixtures or workpieces, and an optional pneumatic tailstock is available. This heavy-duty rotary table features a platter capacity (workpiece and fixture) up to 500 lb (227 kg) when mounted vertically, and up to 1000 lb (454 kg) when mounted horizontally.

The rotary table is easy to interface with any CNC machine; and the easy-to-use Haas servo control allows integrated control and repeatable multistep programming for rapid platter rotation in either direction.