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Kollmorgen’s ERD series IP69K linear actuator at Heason

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Recently announced by Kollmorgen and available from Heason Technology, its UK Gold Partner, the new ERD series stainless steel linear actuators combine the well-proven AKMH series servo motors with long-life ballscrew-driven transmissions as IP69K-rated fully housed packages that are ready-to-install in food produce or pharmaceutical machinery and other high-hygiene applications.

Designed for use with Kollmorgen AKD or AKD-N series centralised and decentralised servo drives, the ERD actuators benefit from the motion control innovator’s single-cable technology – a single cable for power and feedback which offers substantially less cabling and installation work. A choice of encoder feedback includes digital resolver SFD3 and Hiperface DSL. The 316 stainless steel housed AKMH series servo motor has a torque derating of under 20 per cent which, when compared to typical competitive stainless motor thermal performance at around 30 per cent, offers better servo performance.

Aimed at precision positioning tasks such as lifting units, closing or feed axes, or for machine format adjustments, the actuators are available with inline or reverse (parallel) motor mount configurations. A choice of four AKMH servo motors (72.5 to 132mm diameter), allows the ERD a thrust force of up to 20kN with feed speeds to over 1m/sec over a stroke length of up to 600mm. For compact and convenient installation the actuator screw section diameter ranges from 42 to 132mm across the four frame-sizes.

The ERD’s all stainless steel construction and IP69K-rated protection facilitates easy and rapid cleaning with no need for additional protective housings, which are cumbersome necessities on many high-hygiene automation machines. With faster cleaning possible, and use even where high-pressure and high-temperature cycles are called for, the smooth surfaces of the actuator avoid dirt and bacteria build-up. The fully sealed unit is lubricated with food grade grease and is certified for USDA, 3A, NSF requirements.

For installation flexibility a wide choice of mounting versions include foot, flange, trunnion and clevis pin, with the actuator rod supplied with internal or external threads and an optional support bracket. A pressure compensation feature prevents condensation from forming inside the motor.

Heason Technology provides full support for Kollmorgen’s new ERD series actuators and its full line of motion components and systems with a GOLD Partnership agreement within the global manufacturer’s Premier Partner programme. Further information is available at Heason Technology’s website at www.heason.com.

 
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