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Ogura is the largest manufacturer of electromagnetic clutches and brakes in the world. Current manufacturing capacity is in excess of 30 million clutches and brakes per year. We have 14 manufacturing plants throughout Europe, the Americas, and Asia. All plants are certified ISO9001 and most have been certified ISO 14001 and TS16949. We have over 3,000 designs available. Besides the standard product shown we also make a variety of specialty products. Our products are used in automotive, industrial, mobile, factory automation, office automation, agricultural and construction machinery industries. Our clutches are made in the following styles: electromagnetic single face, multiple disk, tooth, hysteresis, eddy current, magnetic particle and permanent magnet. Torque range for standard products is from .0001nm to 8,400nm.
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Friction Clutches
Air Champ II ® Sealed Bearing Units
Air Champ® Open Bearing Units
Dual And Quad Plate Clutches
Flange Or Foot Mounted IEC And NEMA Clutches
Metric Air Champ II ® Sealed Bearing Units
Metric Air Champ® Open Bearing Units
Multi-Disc Clutches
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Characteristics
• Pneumatically applied - spring release
• 1, 2, 3 or 4 disc design
• For dry use only
Utilisation
• End-of-shaft mounting on bearing supported pulley, sprocket or flywheel
Typical Uses
• Fast engagement and cyclic applications
• High Torque requirements in a compact design
• General drive applications
Mounting Precautions
• Input and output halves of clutch must be individually supported
• Designed for horizontal shaft axis. Consult Wichita if vertical mounting is required
Saftey
• The clutch should be suitably guarded when in use
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Ortlinghaus multiplate safety clutches are permanently engaged, this condition being maintained by spring pressure. They are able to transmit torque up to a particular, preset level, after which in the case of an overload in the transmission, they are designed, to slip for a limited period of time. They can thus be used to safeguard all types of transmission lines in machines and equipment from overloading and destruction. They have the task of smoothing out high torque peaks, at start ups, and during the operating of a line. This is done by the clutch plates slipping past each other for a short period of time when the desired maximum torque is reached.
The torque at which a clutch starts to slip can be varied, within limits. In this way these clutches safeguard gear wheels, shafts and other drive elements from damage and thus guarantee operational reliability for an extended period of time; in this way they also help to prevent the need for repairs. It must be kept in mind that when the clutch is slipping, frictional heat is produced and released within the set of plates and that the permissible amount of heat is limited. This thermal loading must be kept within the required limit with the aid of a slip monitoring device, which would switch off the drive. This is necessary with fast running drives where the critical amount of heat is reached very rapidly when slipping commences.
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Low inertia pneumatic brakes and clutches, also available as spring-applied emergency brakes.
Air tube concept offers sensitivity and versatility to a huge number of high-frequency industrial processes.
The multidisc system gives very high torque in a compact size.
Max. torque from 210 to 49 500 Nm.
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Get More for Less in E-Stop Braking — By Breaking from Convention
# 28 Torque Ranges
# Three Frame Sizes
# 6 Disc Configurations
High Torque, Low inertia Engineering
Innovators at low inertia brake engineering, Force Control Industries, Inc. reduces size and mass to deliver more of what you need from an E-Stop brake - fast acting response - while paring away what you don't want.
Compact, Action Packed Design
Highly compact, space efficient designs, Force Control Industries, Inc. E-Stop Brakes feature a small diameter, multi-stack brake stack. This minimizes cyclic inertia of the brake itself for faster stopping, while multiplying braking surfaces. The brake stacks are fitted with unique dry friction facing material rated for heavy duty performance. Exceptionally durable, the material provides a high-coefficient of friction for high stopping torque in a small package.
Purpose Built Design
Unlike general purpose brakes adapted for E-Stop applications, our purpose built design doesn't need to be large and heavy to dissipate high heat loads, because it isn't subjected to frequent braking cycles. You only need one stop per episode - but then with the fastest possible response time.
So, we designed our E-Stop Brake with small diameter, multiple discs for high braking torque with low inertia. It's the same formula we have applied for years in our high performance oil shear brakes.
Multiple springs provide fast response and balanced braking torque, plus enhanced safety factor in event of a broken spring.
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Winch, Crane and Marine Products
Series 66H Pressure Applied Multi-Disc Clutch
These clutches are widely used in Marine Applications, and are designed for use in oil. The pressure supply is fed axially along the mounting shaft and radially outwards through the clutch hub into the cylinder. Positive disengagement is achieved by the use of release springs between the inner plates.
66H Features
* Clutch does not require adjustment
* Torques can be varied by regulating supply pressure
* Bearing-free design eliminates bearing life considerations
* Speed of engagement can be controlled by varying pressure supply flow rate
* Individual plate seperation ensures low drag torque
* Large friction area gives extended plate life
* Multi-disc design results in compact, high torque clutch
Series 56P Spring Applied Pressure Released Multi-Disc Brake
These brakes are widely used in Winch and Mining Applications, and are designed for dynamic breaking with oil in the disc-pack chamber, and can also be used dry as holding brakes.
They are engaged by disc-springs and disengaged by a pressure supply to the cylinder which moves the piston axially, compressing the disc springs and releasing the plates. The hub is usually fitted to the end of the shaft whuch is being braked.
56P Features
* Spring-applied, ensuring automatic braking in the event of a power failure
* With all working parts being enclosed, the brake is suitable for external mounting, even in unfavourible environments
* Provision is made for a thorough flow of cooling oil to give greater heat dissipation
* External mounting to shaft ends facilitates retro-fitting to existing machinery
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WPT Power Grip PO Clutches:
for oilfield and general industrial applications from 14" through 30" diameter. 3,750 Lb.Ft(5,086 Nm) through 97,500 Lb.Ft.(132,239 Nm) static torque.
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Pneumatically operated multi-disc clutches
Characteristics:
Pneumatically operated multi-disc clutches.
Engaged by compressed air - axial or radial supply through the shaft.
Opened by spring pressure (in special cases vice versa), free from axial forces
* requiring less maintenance
* small teeth backlash with the discs
* excess service pressure 5.5 bar
* torque 120 to 60000 Nm (higher torques on request)
* wet operation or dry operation possible by selection of suitable disc combinations
* outer diameter 114 to 640 mm
* several friction faces - low residual torque in open condition
* small dimensions
* high torques
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Couple : 100 à 204 800 N.m
Vitesse : 3 600 à 600 min-1
Pression de fonctionnement : 8 à 22 bars
Alimentation axiale
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... see all the products in the category
Clutches
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Low inertia pneumatic brakes and clutches, also available as spring-applied emergency brakes.
Air tube concept offers sensitivity and versatility to a huge number of high-frequency industrial processes.
The multidisc system gives very high torque in a compact size.
Max. torque from 210 to 49 500 Nm.
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Get More for Less in E-Stop Braking — By Breaking from Convention
# 28 Torque Ranges
# Three Frame Sizes
# 6 Disc Configurations
High Torque, Low inertia Engineering
Innovators at low inertia brake engineering, Force Control Industries, Inc. reduces size and mass to deliver more of what you need from an E-Stop brake - fast acting response - while paring away what you don't want.
Compact, Action Packed Design
Highly compact, space efficient designs, Force Control Industries, Inc. E-Stop Brakes feature a small diameter, multi-stack brake stack. This minimizes cyclic inertia of the brake itself for faster stopping, while multiplying braking surfaces. The brake stacks are fitted with unique dry friction facing material rated for heavy duty performance. Exceptionally durable, the material provides a high-coefficient of friction for high stopping torque in a small package.
Purpose Built Design
Unlike general purpose brakes adapted for E-Stop applications, our purpose built design doesn't need to be large and heavy to dissipate high heat loads, because it isn't subjected to frequent braking cycles. You only need one stop per episode - but then with the fastest possible response time.
So, we designed our E-Stop Brake with small diameter, multiple discs for high braking torque with low inertia. It's the same formula we have applied for years in our high performance oil shear brakes.
Multiple springs provide fast response and balanced braking torque, plus enhanced safety factor in event of a broken spring.
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Design Features
- Failsafe Protection.
- Long wear life.
- Quick, smooth stopping.
Wichita Spring-Set Air Release Motor Brakes are ideal for failsafe protection of process equipment. Available in foot mounted and C-face options, this improved design has thicker friction discs for longer wear life. The fast acting Spring-Set actuation assures quick, smooth stops.
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Ogura’s multiple disk clutches and brakes come in both a dry or “wet” type. The wet (in oil) type can run approximately 3 times faster than that dry type. This is because the oil helps dissipate heat generated at higher RPMs, but you may find it surprising that the wet type can also produce higher operating torque, both statically and dynamically.
Ogura products are manufactured in Europe, North and South America and Asia. Manufacturing plants are ISO9001, 14001 and TS16949 compliant. Clutches and brakes are RoHS compliant.
UK, European and Scandinavian customers please contact Michel Hehnen at mhehnen@ogura-clutch.com. All other inquiries should go to Jim Andes at jandes@ogura-clutch.com.
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