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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. These brakes are used in used in the following industries: brakes for servo motors, robotics applications, elevators/escalators, industrial machinery, automotive, and medical applications. Ogura holding brakes are made in both the spring set type and permanent magnet type. Optional designs such as zero backlash are available. Brakes can be made in a variety of DC voltages. Standard torque ranges are from 1nm to 800nm, although specialty multiple disk elevator brakes have been made up to 30,000nm.
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Spring applied safety brakes offer high operational security for all applications, protecting personnel, machines and equipment, reliably braking for positioning or holding duties or for sudden machine stops for emergency OFF or power failure. We have developed as the technology leader in the field of safety brakes by developing optimised solutions for a wide product range.
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Electromagnetic Spring Applied Brakes
The CLASSIC LINE is comprised of DC operated spring-applied single-disc and multiple-disc brakes whose sturdy design and variable connection features make it ideally suited for the most demanding applications.
Electromagnetic spring applied brakes generate the braking torque when voltage is removed and the electromagnetic force is neutralised.
Versions
77 600..A00 – Single disc brake
(service brake)
Standard rated voltages
24 V, 102 V, 178 V DC
Protection
IP 54
IP 55 (when installed under Motor fan cowl)
Thermal class
F
Transmissible Torque
4 - 240 Nm
Accessories (Option)
Hand release, mounting screws
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Industrial Clutch Parts Spring Applied Parking Brakes for chair lift and wheel chair / mobility applications.
A range of Industrial Clutch Parts Spring Applied Parking Brakes include Flange mounted, flange mounted with rotary release and magnet mounted.
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Spring applied safety brakes offer high operational security for all applications, protecting personnel, machines and equipment, reliably braking for positioning or holding duties or for sudden machine stops for emergency OFF or power failure. We have developed as the technology leader in the field of safety brakes by developing optimised solutions for a wide product range.
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Ausco invented the spring applied-hydraulically released multi-disc brake in the early 1970s. Today, Ausco remains the leader in spring applied-hydraulically released brakes. Ausco's catalog product offerings include all of the common SAE mounts. Most of our brakes are offered in both wet and dry configurations. Variations on shaft and spline sizes are also a common option. In addition, Ausco offers a number of specialty multi-disc brakes for articulated vehicles, mining shuttle cars, etc.
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Five different styles with maximum pressure ratings of 1500 PSI. Selected models are available in aluminum or iron. EPR seals are available on most models.
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Light to heavy duty braking applications are served by these fast-acting calipers. Sensitive and rapid response to air pressure level also makes them ideal for tension control applications.
Friction pads are secured by quick-release clips.
The MS, MX and GMRP series have spring retraction to insure ample pad clearance when the brake is released. The MS and MX series have an interchangeable range of air actuators
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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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RACO's spring brake actuator systems work completely electromechanically so that it can be used in all rail vehicles, cableway railways and escalators, etc. Their main feature is safe and jerk-free braking. The spring brake actuator system always ensures that the vehicle is braked even if the electrical equipment fails or if there is a power failure.
The explosion-proof design is also used for braking pit locomotives in underground mining.
Benefits:
small dimensions and lightweight
easy to install and connect
soft and jerk-free braking
does not ice up or freeze at low temperatures
no problems with leaky lines
no noise pollution
no media disposal and especially enviroment-friendly
low operating and service costs
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Disc brakes to slow down, stop, maintain, control. Automatic offsetting or manual of the wear of the trimmings to guarantee a constant air-gap. Standard fixing centers horizontal or vertical
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For the emergency stop. Used in handling and on the machines with strong inertia with an obstruction minimum!
- Tightening by spring and electromagnetic loosening
- Consumption of energy limited to 15 W
- Time of closing: 100 ms
- Hysteresis of rearmament: 150 ms
- Frequency of release authorized: 1000/h
- Couple to 610 Nm
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| ... products without technical information |
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Brakes
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While hot forming machine tools (hammers, screw presses) use high kinetic energy for the metal forming, where part of this energy is dissipated into the ground causing there rather high vibration levels, however, in case of the cold forming process it is the sudden release of the stresses - built up in the press frame during the pressing operation - when cutting through the material (blanking).
In both cases GERB can provide special Spring-Viscodamper® combinations, which allow today direct spring support of the equipment whereas in the past quite massive foundations were necessary.
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GMT-Conical suspension-springs are used, among other things, in body manifacturing for the bedding and suspetion of the engine in the chassis frame. Being vibration insulators and dampers, cone-springs allow for relatively considerable spring excursion and have a progressive chracteristic curve.Buffers also help to absorb shock loads without causing irreparable damage to the part. If different degrees of stiffness are required in X and Y directions, uses elements with slots
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GMT-rolling rubber-springs are vibration dampening elements consisting of a rubber ring, a tapering metal pin and a metal housing . Their metal parts and the rubber ring are not bonded together by vulcanisation.
Roller-springs are used for dampening vibrations in rail vehicles.The characteristics of roller-springs can be varied as required within their permissible capacity.
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Limits based on damping direction. Force always relates to the net load which is pushing or pulling on the dashpot. Typically, force will dictate the unit’s size when the Airpot is used in the dashpot configuration (as opposed to snubber configurations where energy is the primary factor).
At rest, the dashpot is a passive device and has no force output. In motion, the dashpot offers a resisting force which rises to equal the force of the input load, achieving a zero net force. This results in zero acceleration and constant velocity.
Force limits of Airpot dashpots are determined by the direction of damping and the diameter of the piston.
In pull damping units, a vacuum is being created in the dashpot as the piston moves outward. Thus, the maximum resisting force limit of the unit is a direct function of atmospheric pressure and the area of the piston (F=PA).
Assuming an equal ambient pressure, larger diameter units will have force limits higher than smaller diameter units; the limits being directly proportional to their piston areas. (Model force limits are summarized in the specifications section.)
In the push damping (compression) direction, air must be compressed into an ever decreasing space; the force can rise to a level which is higher than is possible in the pull damping direction. Therefore, it is possible for a smaller diameter push damping unit to achieve greater resisting forces than a larger diameter pull damping unit. However, stroke lost to compression should be taken into consideration
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GMT air springs provide for a low-frequency elstic set-up of machinery, aggregates, conveyors, vibration generators and high-speed presses thanks to their vibration insulation, shock absorption and structurborne noise insulation.
Technical data:
- natural frequency, depending on load about 3-5 Hz
- assembly by way of scews connection at the part on
bearings
- levelling by way of compressed air +/- 10mm of installed
height through a standard tire valve
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NV 50 is an isolator for integration into platforms with attachment options on one side wall or at the bottom. The is fixed with the centrical load rod. In consequence of the prismatic basic shape these isolators can be integrated in substructures of vibration-sensitive instruments and are ideal to use as OEM-elements.
If an installation in the inside of the instrument is not possible the dampers can be masked with an optional available blind made of polished stainless steel. The NV 50 hold brilliant isolation features in the lower frequency range despite the low contruction volume of about one liter.
The resonance frequency lies horizontal under 2 Hz and vertical at 2 Hz. The levelling range is +/- 3mm and can be set up with the height controllers HR2. A permanent supply of compressed-air is necessary.
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The NV150 air-springs are the pneumatic isolators for the cplusw damping tables and are inserted into their base frame.
But as an OEM-product the NV150 can be used in many ways. Because of an upper stopper of the piston the design offers a maximum safety against an accidentally compression overload.
A permanent supply of compressed air is necessary for operation as well as a compression or rather a height controller for setting up the working height in between the levelling range of +/- 4mm The resonance frequency is about 1,7 Hz in horizontal directions and in vertical direction under 2,5 Hz.
CplusW offers support for system integration into customer products or special applications. Sets composed of three, four or even more NV150 air-springs will be delivered with the necessary number of height controllers HR2.
NV150 systems do not need any special maintanance after the initial setup.
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NV800 air springs are ideal for supporting high sensitive experiments, machines and equipment.
These isolators can be used in a wide range of load because of their unique design.
The characteristic attributes remain in narrow limits and do not underlie a strong load dependence like comparable products do. Consequently the NV800 are ideal for storing equipment with asymmetric load distribution. In addition the broad load range serves for future upgrades which is common in scientific equipment.
The use of an extreme thin membrane makes the NV800 behave almost like an ideal air spring in the vertical direction. The resonance frequency is about 1,5 Hz. In case of horizontal disturbances an inverse pendulum which is installed inside the chamber offers excellent isolation features with a resonance frequency as low as 1,3 Hz.
NV800 air-springs are inherently safe and designed for lowmaintenance. Integrated limit stops prevent any overload condition. After having installed it once no more adjustments are necessary.
A complete set contains three or rather four NV800 air-springs as well as the needed number of height controllers HR2. In the normal case not more than three height controllers HR2 are needed for additional NV800 isolators.
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Many often-primary suspensions of steel coil springs type are preferably used between wheel axle boxes and bogie due to the relatively long travel and the relatively small stiffness provided.
Coil springs have the disadvantage in transversal to accept only small forces.
So the resilient horizontal support in driving direction must be transversally taken over by further construction units.
In addition, metallic coil springs do not filter Vibrations and impact sound as well.Isolation by means of a rubber layer spring brings noticeable improvements.
Due to the lake of space conditions in the regional trains, which is smaller than the long-distance rail, the complete Primary spring system should be arranged as compact as possible.These requirements fulfill the GMT- primary spring system.
The serviceability of the construction was proven by a life durability test
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- Isolation active and passive
- Isolation equivalent frequency
- Isolation low frequency
- Automatic correction of the level of precision 100 µ m
- Unparalleled Performance
- Small
- Acoustic Performance
- Can operate without air (SLM)
- Excellent stability
- Range includes: materials, mechanical control system with a system with electronic control, tables and work plans.
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The Fabreeka® Precision-Aire™ PLM series pneumatic/elastomeric isolation mounts are low frequency vibration and shock isolators which provide both attenuation of disturbing vibration and equipment leveling.
For vibration control applications, the pneumatic portion of these mounts provides isolation of vibration occurring at frequencies above 5.0 Hz.
For shock or impact applications, the outer elastomeric wall construction provides a high deflection shock mount. A low natural frequency (3.0 Hz) can be maintained by utilizing an external spacer to prevent "bottom out" condition.
Some features and benefits of PLM mounts:
PLM isolation mounts will continue to isolate with no pressure having a vertical natural frequency of approximately 10.0 Hz
The vertical to horizontal natural frequency ratio is approximately 1:1 with a degree of horizontal stability
1/8 NPT female fitting molded into sidewall allows for tank valve or pneumatic fitting
Viscous damping option provides increase in damping for large dynamic inputs.
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Elastomers EFFBE are specific mixtures to make it possible the springs to ensure a longevity without equal.
3 hardnesses
Diameter 16 to 160 mm
Force of 5 has 14.000 daN
Race from 1 to 65 mm
Resist oils, greases, ozone, UV etc ..........
And the shocks deaden soundproof
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They are used as safety- and function elements in order to damp speed and to slow down masses.
The damping speed of the adjustable dampers can be adjusted when the damper is already installed.
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S1721 Product Family
Description:
RFI Shield Grounding Clip - Mini
Features:
Packed in Bags, Beryllium Copper. See S1721R for product in Tape and Reel.
Finish:
Tin
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