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NEF

NEF

Product catalog summary

Overview: The document describes the EIDE NEF type pneumatic brake-clutch, a compact unit combining a pneumatic clutch and a spring-actuated brake. It operates with compressed air at a nominal pressure of 5.5 bars, ensuring minimal air consumption and optimal efficiency due to chrome-plated and lapped liners.

Specifications: The unit is designed for easy coupling with a pinion or pulley and can be adapted for use between two shafts in line. It features ball bearings that are pre-greased and require no maintenance. The friction linings operate at low specific pressure, minimizing wear.

Technical Data: The document provides detailed technical specifications, including clutch and brake torque values, maximum revolutions per minute, and dimensions for various sizes. For example, the clutch torque ranges from 1.25 to 40 da Nm, and the brake torque ranges from 0.75 to 20 da Nm, depending on the size.

Assembly Examples: The document includes examples of assembly configurations, such as adaptation to a pulley or chain pinion, and outlines the components required for electric control, including a three-way electrically-actuated valve, filter, regulator, and greaser.

Key Features: The NEF type brake-clutch does not require special maintenance, and its design allows for control over machine acceleration time and torque limitation, enhancing safety for other mechanisms. Quick exhaust with a silencer is available for assemblies requiring faster brake response.

Catalog excerpts

PNEUMATIC BRAKE-CLUTCH WITHOUT ROTARY AIR INTAKE Type NEF Description The pneumatic brake-clutch EIDE type NEF it is a compact unit composed of pneumatic clutch and opposed brake acting by spring reaction. The drive cylinder is fed radially with compressed air at a nominal pressure of 5’5 bars. The air consumption is minimum, the air chamber provided with chromeplated and lapped liners providing an optimum efficiency. The driving part is linked to the unit through two ball bearings, it is provided with a cylindrical area with axial threaded bores for an easy coupling of a pinion or a pulley (see assembly examples const. 1.1) or of an elastic coupling to be adapted between two shafts in line (const. 1.2). If we adjust the air pressure correctly, we shall be able to control the acceleration time of the machine as well as to obtain a limitation of the transmitted torque with the corresponding safety for the rest of the mechanisms. Due to its structure, it does not require any special maintenance, the friction linings work at a very low specific pressure, therefore their wear is minimum. The ball bearings are greased in the factory and do not require any further care. ASSEMBLY EXAMPLES Construction 1.1 (2) Adaptation a chain pinion Quick exhaust with silencer (1) To the electric control (1) Only in assemblies that require a quicker brake response. (2) Support for locking the turning reaction caused by braking. Filter Regulator Greaser Three way electrically -actuated value- Electromagnetic, pneumatic brakes and clutches Mechanical safety brakes · Centrifugal brakes Flexible couplings · Torque limiters · Special un

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PNEUMATIC BRAKE-CLUTCH WITHOUT ROTARY AIR INTAKE Type NEF c/ Conca de Barbera, 8 - Poligono Pla de la Bruguera - 08211 Castellar del Valles - Barcelona (SPAIN) Tel. +34 93 714 65 11 - Fax +34 93 714 57 02 - [email protected] - www.eide.net

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