HTC Series

Tube Honing Machines

Model : HTC Series

The Sunnen HTC Series incorporates a 2-axis Industrial PC for all control functions including stroke positions, motion control, stone feed and cutting pressure for optimum control of bore geometry. The HTC control reduces set-up time, making your job easier and more efficient.

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Tube Honing Machines : HTC series

The HTC-W series is the result of 30 years experience in tube hone design and manufacturing, combined with inputs from our customers around the globe. Most of the systems are custombuilt and have enough power and sensibility to work from diameter 25 mm up to 1’000 mm. The stock removal rate is given through a 9 kW servo drive and a 4-step gearbox.

This configuration ensures optimum power in the whole diameter range and a stock removal rate up to 1‘000 cm3/h. Together with the Sunnen tools, abrasives and coolant oils, all the HTC-W Systems are working at their top performance and will meet everybody’s production demands.


  • Spindle motor
    7.0 kW (9.4 HP) / 9 kW (12.2 HP)

  • Diameter range [ID]
    25 – 1’000 mm

  • Stroke length
    up to 10’000 mm


  • Touch Screen programming eliminates confusion with multiple push-buttons. This and reduces setup time. Just touch the screen to input work piece specifications. The control recommends the proper tool and calculates the spindle speed. Most important, it will set the machine accordingly.

  • To ensure quick set-up time, there is a fast retraction and expansion facility of the hone head, which is operated from the control panel. The HTC Control monitors the feed pressure and the spindle load to allow for maximum protection against overloading the tools.

  • Special mode automatically corrects bore geometry errors.

  • Quick carriage travel facilitates easy bore measurement and inspection, as well as the changing of abrasives and work piece.

  • The standard workholding fixture device is universal, simple and has an O.D. range from OD 20 to 400 mm (.79 to 15.7").

  • Lifetime application service with every machine purchase