The RÖHM DURO-A power chuck. The most innovative chucking technology in 30 years

SUWANEE, Ga. - July 20, 2020 - PRLog -- Machine tool OEMs have completely transformed turning centers over the last several years by offering enhanced speed, power and sophistication. When paired with outdated periphery equipment, these new machines lose out on many of the performance advantages that they were developed to create.

To master the challenges of a modern production environment and to meet the technological requirements of new CNC machines, Röhm developed the new DURO-A power chuck. Equipped with the most advanced chucking technology in 30 years, the DURO-A comes with numerous benefits for the user and has an excellent price to performance ratio.

Strong, light and compact

The new DURO-A power chuck has a constant clamping force for more than 500,000 cycles, up to 30% higher maximum clamping force and it is 10% lighter than comparable power chucks. The constant clamping force ensures reliable clamping of the components and allows heavier workpieces to be machined. The chuck weight, which has been reduced by up to 10%, offloads the machine spindles and ensures that the maximum speed as well as braking of the complete system is achieved faster, which contributes to improved efficiency of the machine tool. In addition, the compact design of the DURO-A power chuck, with an improved interference contour as well as reduced overall height, ensures better accessibility of the driven tools. The special and extensively proven wedge-hook system with ring pistons from Röhm achieves very low centrifugal force losses at the highest rotational speeds.

Bigger through-hole and higher maximum rotational speeds

The other technical highlights include the through-hole, which has been expanded by up to 30%, as well as the up to 35% higher maximum speed for a broader spectrum of workpieces and a more diverse assortment of applications. The precise manufacturing of the product as well as the stable construction result in high concentricity of 0.01 mm (for bored top jaws) – for excellent machining quality, low imbalance and fast rotational speeds. RÖHM stands behind the quality and reliability of its new chuck with a three-year warranty for its customers (pursuant to DURO-A warranty).  The new DURO-A chuck is now available for the North American market, and it is in stock in the USA.

About RÖHM Products of America

Röhm Products of America is a leading provider of high-quality clamping and gripping technologies to the North American metalworking industry. The company's broad product portfolio encompasses drill chucks, live centers, lathe chucks, vises, automation technology, power chuck technology, mandrels, tool clamping systems, and customized solutions for turning, milling, drilling, and grinding applications. Röhm also holds International Traffic in Arms Regulations (ITAR) Registration. For more information, please visit
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