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GLOBE Airmotors, Test Equipment & Motion Control
GLOBE compact piston air motors

GLOBE compact piston air motors

Product catalog summary

Overview: The GLOBE RM012 is a compact piston motor designed for low speed and high torque applications. It is oil-free and silicone-free, making it suitable for mixing applications. The motor features 12 pistons for smooth operation and an improved design for extended lifespan. It is available with a front flange option that includes an extra bearing and is ATEX approved for use in explosive environments.

Specifications:

12 pistons for low speed and smooth running
Oil-free and silicone-free operation
Available with front flange for additional support
Compact dimensions
Special versions for food and chemical industries
ATEX certification available

Operating Principle: The motor operates on a radial piston principle without a rod or crankshaft. The pistons are radially arranged and controlled by a static control shaft that supplies air. The air supply and release are managed by a rotating shaft, pressurizing or releasing the pistons in sequence. Six pistons contribute to torque at any time, with air released at the highest point of the curve, forcing the piston to its lowest position.

Materials and Options:

Housing materials: Nickel-plated steel (IP 50) or plastic (IP 64)
Motor type: RM012 ø135 x 60 12Nm
Flange options: No flange (max. 100 N) or flange (max. 2,500 N)
ATEX certification: Available as ATEX II cat.2 G&D T5

Performance and Recommendations: The motor's high torque is due to the power transmission along the large external diameter of the curve, with low friction due to rollers at the piston tips. Noise levels are below 78 dB, complying with ISO 11202 and ISO 11200 standards, negating the need for ear protection. Recommended operating speed is 50 - 350 RPM, with customizable shaft dimensions.

Ordering Codes: The RM012 is available in various configurations, including steel or plastic housing, with or without flange, and with ATEX certification. Example codes include RM012-SXX (steel housing) and RM012-PFX (plastic housing with flange and water resistance).

Catalog excerpts

GLOBE RM012 compact piston motor Low speed, high torque Oil free, silicone free GLOBE has developed a new compact piston motor with the next benefits: • 12 pistons for very low speeds and smooth running improved design pistons for longer life time silicone free so very useful in mixing applications available with front flange which incorporates an extra bearing special version for food and chemical industry ATEX approved Operating principle front cross sectional view in the compact piston air motor displayed are 7 pistons, the RM012 has 12 pistons The radial piston principle presented here operates without rod or crank shaft. The radially arranged driving pistons travel along a curve and are inevitably controlled by the centre. The static control shaft supplies the driving pistons with the necessary air. Air supply and release openings along the static driving shaft are periodically opened and closed by the rotating shaft to pressurise or release the pistons in an appropriate sequence.

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GLOBE RM012 compact piston motor Low speed, high torque Oil free, silicone free Six of the twelve driving pistons are actively contributing to the torque at any moment. Once reaching the highest point on the curve, the air driving the piston is released by the control unit and the piston is forced into its lowermost position. This operating principle is equivalent with the one of a simple cylinder. The compact piston air motor’s high torque is due to the power transmission of the pistons along the large external diameter of the curve. The friction connected with the travel along the curve is...

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GLOBE RM012 compact piston motor Low speed, high torque Oil free, silicone free

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GLOBE RM012 compact piston motor Low speed, high torque Oil free, silicone free

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GLOBE RM012 compact piston motor Low speed, high torque Oil free, silicone free

Open the catalog to page 5

GLOBE RM012 compact piston motor Low speed, high torque Oil free, silicone free

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