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ELECTROMAGNETIC CLUTCHES and BRAKES

ELECTROMAGNETIC CLUTCHES and BRAKES
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ELECTROMAGNETIC CLUTCHES and BRAKES

Product catalog summary
Introduction
This document provides comprehensive technical information on electromagnetic clutches and brakes, focusing on their operation, calculation, and specifications. It is designed to assist both experienced users and newcomers, offering guidance and support from the technical department.
Technical Information
  • Terms and Definitions: Key concepts such as static torque, dynamic torque, and residual torque are defined, with explanations on their calculations and significance in clutch and brake operations.
  • Torque Calculations: Formulas for calculating load torque, acceleration torque, and total torque are provided, along with the impact of the moment of inertia on these calculations.
  • Heat Capacity: Guidelines for calculating the heat produced during operations are outlined, including maximum allowable temperatures for different friction surfaces and energy limits per operation.
  • Determining Clutch Size: Instructions on determining the appropriate clutch size based on maximum resisting torque and safety factors are provided, emphasizing the importance of heat dissipation in high-speed applications.
Safety Factor Values
A table of safety factor values is included, based on the type of driven and driving machines, ranging from electric motors to internal combustion engines.
Conclusion
The document serves as a comprehensive guide for understanding and calculating the specifications and requirements of electromagnetic clutches and brakes, ensuring efficient and safe operation.
Overview
The document provides technical specifications and operational guidelines for various types of electromagnetic clutches and brakes used in industrial applications, detailing machine types, power supply requirements, and assembly instructions.
Machine Types and Load Categories
Machines are categorized based on load characteristics, such as low, medium, high, and very high load peaks, with examples including centrifugal pumps and forging presses.
Electromagnetic Clutches and Brakes
These components are essential for precise control in industrial machinery, with emphasis on protecting the coil from over-voltage using varistors and condensers.
Power Supply and Protection
A 24V direct current supply with a tolerance of +5% to -10% is specified, with additional resistance and over-voltage techniques recommended to reduce connection times.
Assembly and Mounting Instructions
Detailed instructions for horizontal and vertical mounting of clutches are provided, highlighting the importance of correct positioning to avoid residual torque.
Technical Specifications
Tables with detailed specifications for different series of clutches and brakes are included, covering torque, voltage, power, weight, and maximum speed.
Recommendations
For optimal performance, specific configurations and materials for brushes and sliprings are recommended, especially in oil-bath environments.
Specifications
  • Series 4.41: Electromagnetic stationary-field toothed clutches with torque from 40 to 3000 Nm and a standard voltage of 24V.
  • Series 4.50: Electromagnetic slipring multi-plate clutches with torque from 20 to 450 Nm.
  • Series 4.53: Electromagnetic multi-plate brakes with similar specifications to Series 4.50.
  • Series 4.60 and 4.61: Electromagnetic single-disc clutches and brakes for dry operation, with torque ranging from 2 to 480 Nm.
  • Series 4.74 and 4.76: Spring-applied electromagnetic safety brakes with torque from 4 to 400 Nm.
Applications
These clutches and brakes are suitable for various applications, including wrapping machines and printing machines, maintaining consistent torque after initial wear.
Accessories
Several accessories are available for customization, including protection rings, friction plates, and manual release options.
Electrical Accessories
Rectifying units are available to improve response speed by shunting current breakdown from motor switch auxiliary contacts.
Contact Information
Contact details for GOIZPER's offices in China, Spain, France, and Germany are provided.
Note
The information is subject to change, and GOIZPER reserves the right to modify product designs and dimensions without prior notice.
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Catalog excerpts

ELECTROMAGNETIC CLUTCHES and BRAKES-1

ELECTROMAGNETIC CLUTCHES and BRAKES EMBRAGUES Y FRENOS ELECTROMAGNÉTICOS

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ELECTROMAGNETIC CLUTCHES and BRAKES-2

TECHNICAL INFORMATION INFORMACIÓN TÉCNICA ELECTROMAGNETIC CLUTCHES AND BRAKES Electrical supply EMBRAGUES Y FRENOS ELECTROMAGNETICOS Alimentación eléctrica ELECTROMAGNETIC MULTI-PLATE BRAKES Electromagnetic slipring multi-plate clutches Electromagnetic stationary field multi-plate clutches Serie 4.03/4.03B Serie 4.05/4.05B Serie 4.25 FRENOS ELECTRONAGNÉTICOS MULTIDISCO Embragues electromagnéticos multidisco con colector Embragues electromagnéticos multidisco de bobina estática Serie 4.03/4.03B Serie 4.05/4.05B Serie 4.25 Electromagnetic slipring toothed clutches Electromagnetic stationary field...

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ELECTROMAGNETIC CLUTCHES and BRAKES-3

TECHNICAL INFORMATION INFORMACION TECNICA Mr. Clutch residual torque.- This is the torque transmitted by the clutch in the disengaged position. Par residual del embrague Mr .- Es el par que transmite el embraque en posición de desembragado. Many of our customers already know operation and calculation of brakes and clutches. This information may be used confidently. However engineers and technicians facing brake and clutch problems for the first time may find them difficult to assimilate. We shall be pleased to provide advice on this subject. For assistance please contact our technical department....

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ELECTROMAGNETIC CLUTCHES and BRAKES-4

If the masses to be accelerated have a linear motion, their moments are referred to the clutch shaft, applying the following formula: Si las masas a acelerar tienen un movimiento lineal, sus momentos se reducen al eje del embrague, por la siguiente fórmula: = Masses in linear motion, in kg. = Masas en movimiento lineal (kg). = Speed of the above mentioned masses in m/sec. = revoluciones por minuto del embrague. CAPACIDAD CALORIFICA In order to calculate the produced heat Q during every operation, use the following formula: Para calcular el calor Q producido en cada maniobra, aplique la siguiente...

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ELECTROMAGNETIC CLUTCHES and BRAKES-5

Furthermore, the energy produced per operation and per cm2 of surface area should not exceed: Además, la energía producida por operación y por cm² de superficie no deberá pasar de: * 25-50 cal/cm2 for wet operation of sintered bronze/steel plates. * 25-50 cal/cm2 para discos de acero-bronce sinterizado en aceite. * 6-12 cal/cm2 for wet operation of steel/steel plates. * 6-12 cal/cm2 para acero-acero en aceite. * 25-35 cal/cm2 for dry operation sintered bronze/ steel plates. * 50-100cal/cm2 fordryoperationoflining/steel or cast iron plates. * 50-100 cal/cm2 para acero o fundiciónguarnición orgánica...

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ELECTROMAGNETIC CLUTCHES and BRAKES-6

ELECTROMAGNETIC CLUTCHES AND BRAKES EMBRAGUES Y FRENOS ELECTROMAGNÉTICOS ELECTRICAL SUPPLY The industrial applications of electromagnetic clutches and brakes are very frequent due to the progress in designing of machines and because they perform with required functions. Las aplicaciones industriales de los embragues y frenos electromagnéticos son cada vez más frecuentes, debido al progreso en el diseño de la máquina, respondiendo perfectamente a las funciones exigidas. Power Supply When coil body is static, the input is made by the strip through AMP terminals (6.35 Faston). For connection with...

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ELECTROMAGNETIC CLUTCHES and BRAKES-7

ELECTROMAGNETIC MULTI-PLATE BRAKES / FRENOS ELECTROMAGNÉTICOS MULTIDISCO ELECTROMAGNETIC SLIPRING MULTI-PLATE CLUTCHES / EMBRAGUES ELECTROMAGNÉTICOS MULTIDISCO CON COLECTOR Serie 4.03 Size Torque FOR WET OPERATION / FUNCIONAMIENTO EN MEDIO LUBRIFICADO FOR WET OPERATION / FUNCIONAMIENTO EN MEDIO LUBRIFICADO * OTHER VOLTAGE UNDER REQUEST / OTRAS TENSIONES BAJO DEMANDA * OTHER VOLTAGE UNDER REQUEST / OTRAS TENSIONES BA

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ELECTROMAGNETIC CLUTCHES and BRAKES-8

ASSEMBLY EXAMPLES / EJEMPLOS DE MONTAJE ELECTROMAGNETIC STATIONARY-FIELD MULTI-PLATE CLUTCHES / EMBRAGUES ELECTROMAGNÉTICOS MULTIDISCO DE BOBINA ESTÁTICA VERTICAL MOUNTING The mobile plate has to be placed in the lower position in order to avoid the tightening of the plates when running without load and avoid the residual torque. La armadura móvil se debe colocar en la parte inferior, con el fin de evitar que apriete los discos durante la marcha en vacío y evitar así el par residual. MONTAJE VERTICAL FOR WET OPERATION / FUNCIONAMIENTO EN MEDIO LUBRIFICADO * OTHER VOLTAGE UNDER REQUEST / OTRAS...

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ELECTROMAGNETIC CLUTCHES and BRAKES-9

ELECTROMAGNETIC TOOTHED CLUTCHES 4.40, 4.41 AND 4.42 SERIES Serie 4.40 ELECTROMAGNETIC SLIPRING TOOTHED CLUTCHES / EMBRAGUES ELECTROMAGNETICOS DE DIENTES CON COLECTOR EMBRAGUES ELECTROMAGNETICOS DE DIENTES SERIE 4.40, 4.41 Y 4.42 The transmission is done connecting the frontal teeth of the driving part with the corresponding teeth of the driven part. The clutch release time is short and there is not residual torque. That type of clutches do not admit sliding thus their size determination is very important. The transmissible torque should be higher than the resultant torque Md or that corresponding...

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ELECTROMAGNETIC CLUTCHES and BRAKES-10

ELECTROMAGNETIC STATIONARY-FIELD TOOTHED CLUTCHES / EMBRAGUES ELECTROMAGNETICOS A DIENTES DE BOBINA ESTATICA ELECTROMAGNETIC STATIONARY FIELD TOOTHED CLUTCHES / EMBRAGUES ELECTROMAGNETICOS DE DIENTES DE BOBINA ESTATICA SIZE Torque Magnet side Armat. side Magnet side Armat. side THE TEETH CAN BE TRAPEZOIDAL OR TRIANGULAR FORM / EL DENTADO PUEDE SER TRAPECIAL O TRIANGULAR * OTHER VOLTAGE UNDER REQUEST / OTRAS TENSIONES BAJO DEMANDA THE TEETH CAN BE TRAPEZOIDAL OR TRIANGULAR FORM / EL DENTADO PUEDE SER TRAPECIAL O TRIANGULAR * OTHER VOLTAGE UNDER REQUEST / OTRAS TENSIONES BAJO DEMANDA

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ELECTROMAGNETIC CLUTCHES and BRAKES-11

ELECTROMAGNETIC CLUTCHES AND BRAKES 4.50 AND 4.53 SERIES EMBRAGUES Y FRENOS ELECTROMAGNETICOS SERIES 4.50 Y 4.53 Due to the design the magnetic field established by the coil doesn't pass through the plates and that is why the response times are very quick. Por su diseño, el campo magnético creado por la bobina no atraviesa los discos y por ello los tiempos de respuesta son muy rápidos. Referring to the clutch, the magnetic body will be mounted on the motor shaft, in continuos rotation so that the moment of inertia of the masses in motion during every operation is not increased and besides we...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.