Upgraded HTA Honing System Increases Part Capacity and Stroker Torque

The HTA hone is ideal for resurfacing and repair work where light-duty stock removal up to 0.030 in (0.76 mm) is needed to oversize deeply scratched bores. It is designed for optimum performance with Sunnen ANR275 tooling and abrasives, sold with matching coolants and gauging as part of the machine package. An electronically controlled, 3 hp (2.24 kW), AC gear motor powers the spindle at 20 rpm to 300 rpm, while the servo-driven stroking system has a speed range of 5‑90 ft/min (1.52-27.4 m/min). The all-electric machine eliminates the noise, leaks, valve adjustments and performance variability inherent to hydraulic systems.

Ideal for flow-tube weld cleanup, the HTA hone is ergonomically designed with a moveable operator station and a modular work holding system for rapid setups. It includes a 55 gal (208 L) coolant reservoir and paper-media coolant filtration unit for better coolant management. Set on casters for easy maintenance, the coolant tank tucks under the machine frame to conserve floor space.

The HTA system includes high-end features, such as Siemens drives and PLC-control with touch-screen HMI for setting all machine parameters, including stroke reversal point, spindle/stroking speeds, and crosshatch angle calculation. The control features a digital load meter to determine areas of bore tightness, with capability for dwelling the tool in multiple areas to correct part geometry. Other advanced features include automatic tool tensioning, set through the PLC.

Sunnen is the world leader in the development of tube honing systems, with more than seven different model sizes in production, ranging up to a maximum 25 ft (7.62 m) in stroke length and 40 hp (30 kW) spindle power.

Sunnen Products Company, 7910 Manchester Road, St. Louis, MO 63143, 800-325-3670, Fax: 314-781-2268, sales@sunnen.com, www.sunnen.com.