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HYDRAULIC CLUTCH-BRAKES

HYDRAULIC CLUTCH-BRAKES
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HYDRAULIC CLUTCH-BRAKES

Product catalog summary
Introduction
This document is a comprehensive catalogue for hydraulic clutches, brakes, clutch-brake combinations, spring set safety brakes, and accessories, applicable in industries such as metal forming, automotive, marine engineering, and machinery transmissions. It includes technical information on torques, reaction times, and friction material performance.
Technical Information
The technical section covers fundamental concepts and formulas for selecting clutch-brakes, adhering to VDI 2241 and DIN 1304 norms. Key terms include transmissible torque, slip torque, residual torque, loading torque, and acceleration torque, along with time terms related to torque transmission and interruption.
Hydraulic Clutch-Brake Combinations
This section describes various series of hydraulic clutch-brake combinations, designed for specific applications and performance requirements, including conventional and progressive units.
Hydraulic Clutches and Brakes
Details are provided on hydraulic clutches and safety brakes, including series like 6.32, 6.11, 6.12, and 6.42-6.42 B, crucial for safety and efficiency in machinery operations.
Performance of Friction Materials
The performance of friction materials is influenced by transmitted power, temperature, slip speed, and material combinations. Emphasis is placed on managing heat dissipation through lubrication to maintain thermal capacity.
Introduction to Combined Hydraulic Clutch-Brakes
Hydraulic clutch-brake combinations are used in mechanical presses, shears, and punching machines, offering silent operation, low inertia, energy savings, and minimal maintenance. They operate at a nominal pressure of 60 bar with a forced lubrication system.
Specifications and Materials
The document discusses tempered steel against sintered bronze for wet operations, with friction surfaces designed for thermal load management and lubrication flow, resulting in low wear.
Thermal Characteristics
Sintered discs have high thermal conductivity, allowing temperatures up to 350°C. Lubrication influences heat dissipation, with specific values for splash and forced lubrication.
Braking Process
The braking angle is divided into reaction and mechanical braking angles, with formulas for calculating slip time and total braking time.
Torque Calculation for Eccentric Press
Formulas are provided for calculating necessary torque in an eccentric press, considering factors like turning torque and press force.
Progressive Clutching and Braking
GOIZPER has developed a clutch-brake unit with a progressive piston and valve to regulate clutching and braking, addressing shock loads and vibrations.
Product Range
GOIZPER offers a range of products including clutch-brakes, oil collectors, rotary unions, control valves, control units, and power packs, with equipment sizing based on customer data.
Specifications
The hydraulic clutch-brake units are available in several series with different torque capacities and configurations, with static clutch torque ranging from 2,500 Nm to 633,000 Nm.
Assembly Options
Various assembly methods are described, including mounting at the shaft end or between the flywheel and frame, with details on static or dynamic oil collectors.
Lubrication and Enclosure
Lubrication options include forced and splash methods, with enclosure types categorized as static or dynamic.
Peripheral Equipment
GOIZPER offers peripherals for hydraulic clutch-brake systems, including oil collectors, rotary unions, control valves, control units, and power packs.
Control Valves
Control valves for progressive clutching and braking are detailed, emphasizing safety features like redundant spools for smooth operation and emergency braking.
Technical Data
Tables provide dimensions, weights, maximum speeds, and pressure ratings for various sizes of clutch-brake units, along with specifications for hydraulic oil collectors and rotary unions.
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Catalog excerpts

HYDRAULIC CLUTCH-BRAKES-1

HYDRAULIC CLUTCH-BRAKES FRENO-EMBRAGUES HIDRÁULICOS

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HYDRAULIC CLUTCH-BRAKES-2

TECHNICAL INFORMATION INFORMACIÓN TÉCNICA Hydraulic Clutch-Brake Combinations FRENO-EMBRAGUES HIDRÁULICOS COMBINADOS HYDRAULIC CLUTCH-BRAKE SERIES Conventional and progressive clutch-brake unit Series 6.21/6.22 Conventional and progressive clutch-brake unit Series 6.23/6.24 Conventional and progressive clutch-brake unit Series 6.25/6.26 Conventional and progressive clutch-brake unit Series 6.27/6.28 Conventional clutch-brake with housing Series 6.23._ _.910 Progressive clutch-brake with housing Series 6.24._ _.910 Conventional clutch-brake with housing S eries 6.27._ _.910 Progressive clutch-brake...

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HYDRAULIC CLUTCH-BRAKES-3

TECHNICAL INFORMATION INFORMACIÓN TÉCNICA This catalogue shows the full range of hydraulic clutches, brakes, clutch-brake combinations, spring set safety brakes and accessories. En el presente catálogo, dedicado a nuestras líneas de conjuntos freno-embragues hidráulicos y sus accesorios, así como embragues y frenos hidráulicos separados, les ofrecemos nuestros modelos más actualizados de acuerdo a nuestros últimos desarrollos. This chapter explains the basic concepts and formulas for the calculation and selection of clutchbrakes for each application. En este apartado se definen y explican los...

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HYDRAULIC CLUTCH-BRAKES-4

Residual torque Mr: torque transmitted when the system is not actuated. It depends on mounting position, (horizontal, vertical, or inclined), speed related to disc surface, oil flow, & viscosity. When vertical or inclined mounting, the residual torque increases very much, so the generated heat is increased as well. Loading torque ML: necessary torque to activate the elements in the machine, taking into account its performance, the action speed, etc. Characteristical torque Mk: It is the torque indicated in the catalogue. Acceleration torque Ma (deceleration torque when the value is negative):...

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HYDRAULIC CLUTCH-BRAKES-5

It is important to consider the moment of inertia “J” before making the following calculations. For example, the moment of inertia of a solid iron cylinder which is 100mm thick with an outer diameter D (in mm) is obtained with the following formulation: Es importante para los distintos cálculos que se indican posteriormente considerar el concepto de momento de inercia “J”. Así por ejemplo, el momento de inercia de un cilindro macizo de hierro de 100 mm de espesor, siendo su diámetro exterior D (en m), se obtiene de la fórmula: When the moment of inertia is not referred to the clutch shaft, it...

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HYDRAULIC CLUTCH-BRAKES-6

HYDRAULIC CLUTCH-BRAKES: FRENO-EMBRAGUES HIDRÁULICOS: BRAKING PROCESS Designed for wet operation, using tempered steel against sintered bronze. Diseñados para trabajo en aceite, emplean superficies de acero templado frente a sinterizado de bronce. To calculate the slip time during the brake engagement t3, the following formula is used: Para el cálculo del tiempo de deslizamiento durante el proceso de frenado t3, se emplea la siguiente fórmula: The friction surfaces have been designed with radial slots and spiral grooves, taking into account (among other factors) the thermal load, the friction...

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HYDRAULIC CLUTCH-BRAKES-7

Please find below two examples of measurements taken by an oscilloscope; the first refers to the clutch engagement whereas the second one shows the brake engagement of a hydraulic clutch-brake: A continuación se pueden ver dos ejemplos de mediciones reales realizadas con osciloscopio; el primero muestra el proceso de embragado mientras que el segundo es sobre el proceso de frenado de un freno-embrague hidráulico: TORQUE CALCULATION FOR AN ECCENTRIC PRESS Para el cálculo del par necesario en una prensa excéntrica, se emplea la siguiente fórmula: To calculate the necessary torque in an eccentric...

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HYDRAULIC CLUTCH-BRAKES-8

COMBINED HYDRAULIC CLUTCH-BRAKES FRENO-EMBRAGUES HIDRÁULICOS COMBINADOS

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HYDRAULIC CLUTCH-BRAKES-9

INTRODUCTION TO COMBINED HYDRAULIC CLUTCH-BRAKES INTRODUCCIÓN A LOS FRENO- EMBRAGUES HIDRÁULICOS COMBINADOS PROGRESSIVE CLUTCHING AND BRAKING ARRANQUE Y FRENADA PROGRESIVOS Hydraulic clutch-brake combinations are mainly used in mechanical presses, shears, punching machines and other applications that require high number of strokes per minute as well as an accurate start/stop operation. Their advantage in these applications is due to their silent operations, low inertia, power savings, and minimal maintenance. Los freno-embragues hidráulicos combinados se emplean especialmente en prensas, cizallas,...

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HYDRAULIC CLUTCH-BRAKES-10

PRODUCT RANGE Standard GOIZPER sizes offer a wide range of operating torque. By adding more discs, the brake and clutch torque gradually increases from the standard rating. The compact outer diameter remains the same while the length increases slightly. En primer lugar, la oferta de GOIZPER presenta una amplia gama de pares de funcionamiento, pues de cada tamaño standard se puede pasar a versiones con más láminas, aumentando los pares de freno y embrague dentro de un modelo de igual diámetro exterior con un pequeño incremento de la longitud. In all clutch torque ratings are static, in an engaged...

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HYDRAULIC CLUTCH-BRAKES-11

HYDRAULIC CLUTCH-BRAKE SERIES SERIES DE FRENOEMBRAGUES HIDRÁULICOS

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HYDRAULIC CLUTCH-BRAKES-12

Series 6.21 (Conventional / Convencional) 6.22 (Progressive / Progresivo) HYDRAULIC CLUTCH-BRAKE UNIT / FRENO-EMBRAGUE HIDRÁULICO SERIES SIZE Number of discs clutch / brake Dynamic Brake Torque (Nm) 6 Static Clutch Torque (Nm) Fijación al eje por chavetas y entrada de aceite por el eje. Mounting on the shaft by keys and oil inlet through the shaft. Series 6.23 (Conventional / Convencional) 6.24 (Progressive / Progresivo) Fijación por chavetas y entrada de aceite por el moyú. Mounting on the shaft by keys and oil inlet through the hub. Posición de los agujeros roscados con respecto a los chaveteros....

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HYDRAULIC CLUTCH-BRAKES-13

Series 6.25 (Conventional / Convencional) 6.26 (Progressive / Progresivo) HYDRAULIC CLUTCH-BRAKE UNIT / FRENO-EMBRAGUE HIDRÁULICO SERIES SIZE Dynamic Brake Torque (Nm) Mounting on the shaft by locking ring sleeves on the clutch side, and oil inlet through the shaft. Static Clutch Torque (Nm) Number of discs clutch / brake Fijación por anillo de presión por el lado del embrague y entrada de aceite por el eje. Series 6.27 (Conventional / Convencional) 6.28 (Progressive / Progresivo) Mounting by locking ring sleeves on the clutch side at the end of the shaft and oil inlet through the hub. Fijación...

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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.