unnen’s innovative external hone series HES continues the success of our well-known tube hone family and is designed to meet the ever-increasing demands of the industry. Over thirty years of experience, coupled with state-of-the-art design and solid, advanced engineering, characterize our HES. It’s dynamic rack-and-pinion stroke system and optimized spindle drive system ensure optimum and constant performance over the entire diameter range. Our external hone machine cuts nearly all advanced materials without trouble, but of course also mild steels. Workpieces with electroplated hard chrome or plasma sprayed surfaces, for use in off shore applications and energy production sectors, are one of the typical applications for external honing. High and fast stock removal as well as perfect surface finish characterizes this machine. The HES is highly efficient and offers a non-comparable cost a

SH-4000 Horizontal Honing Machine From its designer styling and lack of manual controls to its digital repeatability and touchscreen HMI, Sunnen's SH-4000 builds on the 21-year heritage of the successful EC and ML series machines. The SH-4000 takes honing to the next level of capability. Digital-Servo Tool Feed: Patent-pending linear hybrid tool feed and cutting pressure control. Increased Feed Travel: 20 mm (0.79 in.) of additional feed travel for an increased diameter range for MMT tools. Electric Foot Pedal: For setup and truing mandrels. Larger Coolant Tank: 70% larger than earlier models, with a capacity of 208 L (55 gallons). Ergonomic Work Area: Generous space for operator comfort. Intuitive Touchscreen: Easy-to-use interface with a large 225 mm (9 in.) display.