High force integrated actuator reduces footprint

INMOCO is now supplying Tolomatic's high force integrated motor rod-style actuators to UK users. These new electric actuators with integrated servo motors allow designers to reduce machine footprint and extend service life, and Tolomatic's IMA actuators have been developed specifically for OEMs requiring high force in a compact and durable package. The units feature an integrated servo motor and actuator design and provide up to 30.6kN push and pull force. This design is stated to reduce the overall footprint of the machine by removing the need for an external motor. INMOCO also says that the integrated approach simplifies machine design and installation, which can be further extended with a single cable option if a Hiperface DSL encoder is used.

Tolomatic's IMA roller screw technology is said to be well suited for pressing applications, where high force and long life are required. Efficiency, accurate positioning and quick response also makes the IMA a candidate for valve management, as well as process control applications such as fluid dispensing. In these applications repeatable force with smooth velocity are necessary. IMA has also been designed for resistance spot welding applications, and the company states that its light weight and compact construction make it suitable for pedestal and robotic applications too. According to INMCO, "IMA is also a cost effective option for welding applications with a competitive price point".

IMA has been designed and tested to maximise service life, one example of which is the provision of a grease port which means that lubrication can take place without the need for removal from the machine. A longer service life is also the result of the roller screw applying force over a large contact area, reducing concentrated wear and also saving space where conventional ball-screws might be used. The new actuators are rated to IP65, offering ingress protection from dust and water spray, and this is supported by a replaceable rod wiper which prevents contaminants from entering the actuator. An IP67 option is also available, protecting from water immersion up to 1m depth for 30min. Internally, the steel thrust tube construction supports high force capabilities and its salt bath nitride treatment provides users with high surface hardness, corrosion resistance, and some protection from other hazards like weld slag or water. Bumpers protect the screw and nut assembly from damage at the end of stroke in the event of an uncontrolled impact.

Tolomatic IMA delivers an actuation speed up to 1,334mm/sec, with a stroke length up to 457mm, and is available in face sizes ranging from 63.5mm to 142mm. Integration with leading robot manufacturers is made possible through wide array of feedback types, resolutions, and protocols. The recent addition of the Hiperface DSL option also enables a single cable solution integrating both power and feedback for a more compact footprint and simpler installation.

INMOCO says that IMA is quieter and cleaner than hydraulic systems, and that its use removes the potential for the emission of hydraulic fluid. Also included in the IMA range is a white paint option, something which may be desirable for food manufacturing and processing applications. With a painted exterior, an IP67 option, stainless rod and food-grade grease, INMOCO claim it is a cost-effective option in a compact package. The newest addition to the IMA family is the IMA-S, an all 316 stainless steel solution with IP69k sealing for the most aggressive wash down and caustic environments.

For more information about these high force integrated actuators please visit www.inmoco.co.uk.


4 Brunel Close
Drayton Fields
NN11 8RB

+44 (0)1327 307600



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