Ring and Track System for Circular Motion Tasks

Hepcomotion's PRT2 precision ring and track system helps to solve circular motion problems. According to the company, many customers are now specifying the new range of single-edge rings with larger gear sizes across the full width of the ring. These rings are enabling customers to drive at higher speeds, thanks to the excellent driving forces being applied. Size for size against the previous double-edge gear-driven ring, the increase in driving force can be as high as 8x depending upon the pinion selected.

Single-edge rings are available with diameters measuring up to 874mm; compact and easy to install, they can be driven either with the gear on the inside or the outside. Orders are being seen across the whole size range but especially in the sizes under the 500mm-diameter version. Some customers are also choosing Hepcomotion's expanded range of ring segments, now available in 13 diameters measuring up to 1.5m. Produced from double-edge rings, typical applications can be seen on tool-changing devices, or any application where movement through an arc is preferable.

Segment angles are often 90deg but can be 45deg, 60deg, 120deg and 180deg. The ring is cut to suit. When a segment is linked to a straight slide, a hockey-stick-shape track system can be produced, providing a cost-effective method of achieving combined rotary and linear movement. This concept is now in use by a German machine tool manufacturer as the guidance element in its tool-changing systems. The Hepcomotion ring and track system is often used by designers requiring continuous or indexing motion, but the new PRT2 option of offering additional drive components has led to more enquiries, according to the company.

By making available individual components from the complete driven track system (DTS), customers are able to customise their design while using standard components. Drive scrolls, carriage locking systems for workstations, support beams, end mounting plates and drive pulleys can be incorporated into most customers' designs.

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