If the power is switched off, if it fails, or if there is an emergency stop in machines and systems, the safety brake prevents vertical and horizontal axes from falling freely. This is the only way to avoid accidents and protect people and machines. For applications in mechanical engineering, Medical Technology, food technology, Elevators or stage technology Mayr Antriebstechnik Safety brakes. Here we present tips for installation, new developments and applications:

Mayr Roba-stop safety brake



Safety brakes for reliable robotic arms

Oct 05.10.2023, XNUMX | With the new standard modular system for robot brakes, Mayr Antriebstechnik is creating the basis for solutions at an attractive price level. On the PLC 2023 in Nuremberg (Hall 4, Stand 278) the company will show how intelligent, talking brakes and shaft coupling can be cleverly used for process monitoring and so on Powertrain Get ready for Industry 4.0 at low cost.

Security does not tolerate compromises. This is particularly true for robotics. Robots are often capable of complex and unpredictable movements. In the case of lightweight robots, they sometimes collaborate with humans even without a protective space.

That way robotic arms In the event of a power failure, after switching off the power or after an emergency stop, the robot brakes from Mayr Antriebstechnik do not fall or fall uncontrollably servo axes reliable and secure in their position. The company offers a whole range of proven robot brakes for this purpose.

Devices for braking energy recuperation for electric drives

In the Roba-power stop series, the company has slim, lightweight spring-loaded brakes for servomotors to the high requirements of the Robotic adapted – not only in industry, but e.g. B. also for medical technology. “The new standard series allows us to effectively serve a wide variety of installation situations using a sensible modular principle. Customers benefit from a quick overview of the various solutions at an attractive price level,” explains Bernd Kees, product manager at Mayr Antriebstechnik in Mauerstetten.

"The overall length is often an issue with servo motors, which means slim brakes are an advantage here. The new standard series also takes this trend into account. We also provide access to the data necessary for the design and selection, such as: B. the definition of braking torques, switching times, mass inertia, friction work during emergency stops, the number of permissible emergency stops under different application conditions or information on the geometric connection. This ensures good orientation.”

Brakes for lightweight robots and cobots

A hollow shaft construction is often used for lightweight robots Owners lead-through desired in the interior so that no external cables get in the way. The series ROBA servo stop cobot can be perfectly integrated into these hollow shaft constructions due to its structure. In order for the lightweight robot to live up to its name, its components must also be light. Robot often take up changing positions for different work steps. They achieve greater dynamics with light brakes because they ultimately have to move them as well.

Ferdinand Mayr presents innovations at the SPS

In the new modular system, users can choose between classic servo brakes in the motor, with a hub and toothed rotor, with a classic or slim design. Such a slim and lightweight design is the so-called Pad solution, which has a large inner diameter. The hollow shaft solution was specially designed for integration into the Robotic joint developed. The particularly compact solutions are also light and offer ideal dynamic properties. The classic brakes with hub and toothed rotor can also be customized and integrated directly into a joint. An axial positioning to the shaft is not necessary here.

Fail-safe linear brake with high holding forces

Because more and more electric motors are replacing hydraulic or pneumatic systems, these must be equipped with safety brakes. The electromagnetic linear brake Roba-linearstop is a fail-safe system that has high holding forces. It brakes dynamically and impresses short switching times.

These are important for the braking distance, because during the time of free fall until the brakes close and the deceleration begins, the mass accelerates additionally - under certain circumstances, the permissible values ​​of the brakes are exceeded. When selecting their safety brakes, users should therefore not only pay attention to the shortest possible, verified switching times, but also that the switching times over the entire lifespan of the brake are complied with.

Here comes this brake monitoring in the game. While servo brakes could not previously be monitored due to their small air gap or installation situation, Mayr now offers an intelligent solution with the retrofittable Roba-brake-checker module that works without sensors. 

Installation of safety brakes in vertical axes

16.08.2023/XNUMX/XNUMX | Mayr Antriebstechnik presents at EMO 2023 its comprehensive portfolio of electromagnetic, pneumatic and hydraulic Safety brakes for securing vertical axes in Machine Tools (WZM) and machining centers. These vertical axle brakes protect against all hazardous situations that can occur when operating gravity-loaded axles.

A checklist the company offers support in validating the safety brakes. Combining these vertical axis brakes with modules for the brake monitoring become Industry 4.0 capable. In addition, it saves valuable maintenance effort. Read what the development engineer has to consider in his design and find out which solutions the drive specialist offers.

Safety brake validation checklist

For securitiy purposes gravity-loaded axles in machine tools, the designer is responsible. A safety function must be defined from the risk to be assessed. After that, each building block in the chain must be validated. Mayr Antriebstechnik makes the developers' work easier with a validation tool that bundles the flood of information. With a clear checklist structured according to DIN EN ISO 13849-2, the correct selection of the brakes can be checked easily and reliably. After the risk assessment and validation of the individual components, possible hazards must be identified and reduced to a minimum.

Vertical machine tool axes and their requirements

Vertical axes serve as Z-axis in machine toolswhere they are intended for the tool holder. You can also find applications in portals or other scenarios. Vertical axes are generally loaded with gravity. That is why they are risky for man and machine and must be adequately protected.

“Operators always have to work under a vertical machine tool axis, be it loading a new workpiece or eliminating a fault,” explains Andrew Merz, Product Manager at Mayr Antriebstechnik. "Due to the ever-present gravity, these axes carry a potential risk of the load falling or that it at least drops in an uncontrolled manner."

When planning a new machine, machine tool manufacturers must Risk Analysis for safety-critical axes. They determine the required performance level (PL) according to DIN EN ISO 13849-1. This safety must go hand in hand with an economical construction. The required performance level can be achieved with an additional safety brake. Mayr Antriebstechnik offers a wide range of reliable safety brakes to protect gravity-loaded axes as well as modules for condition monitoring.

The life cycle of a new generation of machines is now 5 to 10 years and should be designed accordingly for the future. Future machines and systems are also largely networked, which in turn networkable components requires. This applies to components that are relevant to safety and that require maintenance and that can cause the machine to come to a standstill. Also the ability to communicate between machine, transport and Robot is to be guaranteed.

“We are still at an early stage here, which makes it difficult to implement this development. Especially the frequently expressed wish for Standardization in data communication it has to be fulfilled ”, says Andreas Merz. The family-run company in Mauerstetten is therefore involved in the VDMA Industry 4.0 / UPC UA working group, which deals with the topic.

The safety brakes are ideal for networking, considering where they are placed. The Roba-stop M, for example, is located on a motor or hoist, the Roba-servostop in the servo motor. A Roba-topstop brake is suitable as an intermediate flange solution in vertical axes, while the Roba-linearstop on the rod, the Roba-pinionstop on the toothed rack or the Roba-guidestop work directly on the profile rail.

Condition monitoring for clutches and brakes 4.0

When safeguarding vertical axes in machine tools, it usually makes sense to two different Brakes to use. Due to their different mounting positions, the brakes intervene in different positions. Because they are different in structure and mode of operation, the possible failure scenarios also differ here. This means that the safety brakes are independent and offer high-quality redundancy.

Various brakes to protect the machine tool

As already mentioned, Mayr power transmission offers a variety of options for braking: Below we present the most important ones:

Module between spindle and motor

The modular braking system Roba-topstop is suitable for attachment to servo motors. With its adapted flange dimensions, this brake can be integrated into existing constructions between Servomotor and counter flange can be integrated. As an independent module, it holds the vertical axis securely in any position. 

The axis no longer needs additional support, which significantly speeds up changing the drive motor, for example. The safety brake meets high IP standards and is up to Degree of protection IP66 .

In the event of a power failure or an emergency stop situation, the brake brings loads to a standstill quickly and safely. As part of a voluntary type examination by the DGUV (German Statutory Accident Insurance), the safety brake was confirmed as a "tried and tested component" in the sense of Category 1 according to DIN EN ISO 13849-1.

Linear brakes for round rods or guide rails

With the Roba-guidestop and the Roba-linearstop, two proven safety brakes are available for securing linear movements. These brakes act either on separate round rods or on guide rails. The Roba-linearstop (piston rod) and the Roba-guidestop (guide rail) are particularly suitable for use in gravity-loaded axes, as they are attached directly to the masses that are to be braked or held.

With these brakes you can Drive Elements like Timing belts, Couplings or Spindle nuts, which are in the power flow in other braking systems and have an impact on safety, are disregarded. If linear brakes are also used as a second braking unit, for example in addition to a motor brake, their operating principle - on a rod or rail - also ensures diverse redundancy with an increased common cause failure value (CCF value). 

The Roba guide stop Safety brake for guide rails brakes safely and reliably on the profile rail. It clamps very rigidly and without play. The brake is attached directly to the loads to be held. This avoids additional stress on the drive train. An immediate stop is guaranteed. The backlash-free clamping directly on the profile rail also stiffens the NC axis. This increases the process accuracy in the systems. This also increases the cutting performance and can have further advantages when it comes to heavy cutting. The safety brake is available in a hydraulic, pneumatic and electromagnetic version.

The Roba-linearstop Safety brake was designed for braking and holding linearly moving masses. The clamping unit acts on a piston rod independently of the drive. It works according to the fail-safe principle and generates the braking force through compression springs.

The brake will hydraulic, pneumatic or electromagnetic aired. The electromagnetic version is so far unique on the market. The Roba-linearstop is available as a robust clamping unit for emergency stop situations and as a braking unit for a large number of dynamic braking actions. The ready-to-install brakes are set at the factory.

"We are the only manufacturer to offer electrically opening linear brakes that are also safety brakes," explains Bernd Kees, product manager at Mayr Antriebstechnik. 

For mounting on the free end of the shaft

The Roba-stop-M Safety brakes were developed for attachment to the free shaft end. They brake moving masses or loads out of the movement until they come to a safe stop.

The Roba Stop M brake keeps the axis in any position, be it in the event of a power failure, in the event of an error or if the servo brake in the drive fails. An uncontrolled sinking or falling is prevented in any case.

Brake for rack and pinion axle

The Roba pinion top is offered as an additional braking system for a vertical axis with rack and pinion drive. An integrated pinion shaft engages directly in the rack at any position. So it works independently of the drive motor. The ready-to-install brake module with pinion shaft has an independent, electromagnetically released spring-pressure brake.

Networked safety brake and brake monitoring

Mayr has the retrofittable module for monitoring the safety brakes Roba-brake-checker developed. This means that the user subjects his machine to a permanent inspection. Machine tools particularly benefit when information from the various axes comes together.

Sensorthat the Roba-brake-checker recognizes the movement of the armature disk by an extended analysis of current and voltage switch cabinet the end. In this way, the user is informed about the condition of his brake. In addition to monitoring the switching status and critical coil temperature, the module preventively monitors the function with regard to wear and pulling path or pulling force reserve. They convey whether the magnet is still releasing the brake. The monitoring module displays significantly more parameters during monitoring than a conventional switching status control can. This means that maintenance can be planned. Incidentally, the Roba-brake-checker can also be integrated into remote maintenance systems.

Three options for brake monitoring

"With our Roba-brake-checker we offer three options for all monitoring requirements", says the product manager. In the Standard design the output signals are processed by the controller. Conditional predictive maintenance is thus possible. This is comparable to the results of a microswitch or temperature sensor.

With an additional board and a custom one Communication-Interface such as Ethernet, WLAN, OPC UA or optically, the switching times can be monitored. From this, conclusions can be drawn about the wear. Error analysis and optimization are also possible if other system components are compared in terms of holding current, temperature, resistance, coil voltage, temperature, resistance or power. This allows processes to be evaluated, abnormalities in the processing process to be recognized or conclusions to be drawn from complex relationships. For example, a motor or the Linear axis be compared with their behavior on the safety brake. In addition, several machines or systems can be coordinated with one another.

As a third option the integration of a monitoring function as a license model into the machines follows steering of the customer. This includes the validation and approval of the safety brakes by the drive specialist. Additional components are not required. The manufacturer provides support for integration and data evaluation. 

Resource-saving, economical engine brake

17.10.2022/XNUMX/XNUMX | Mayr Antriebstechnik takes into account when developing its Safety brakes not only the energy-saving potential during operation, but also takes care of resource-saving handling of the material.

Roba-stop-M Eco Against this background, a new, slim version of the proven Roba-stop-M brake is launched. The new compact variant reduces the properties of the Roba-stop-M to the essentials, but is just as robust and reliable as the basic motor brake.

The new solid brake for series use meets the most frequently asked requirements in full and with significantly reduced material expenditure and economic costs.

High-performance pitch brakes for wind turbines

08.09.2022 | In wind turbines, too, the trend is towards servomotors for pitch drives, where they largely replace regulated AC drives. This also poses new challenges for the braking systems. Mayr Antriebstechnik is exhibiting at the Wind energy 2022 its newly developed and optimized to the high demands of the wind turbines Roba stop M pitch brake .

Electromagnetic linear brake with 10 times faster switching time

23.11.2021 | To secure linear movements at standstill z. Safety brakes are often used, for example due to a power failure. They act on separate round rods or piston rods or guide rails. Depending on the application, pneumatically or hydraulically opening brakes are often used here because they offer high holding forces.

However, systems that work hydraulically and pneumatically are being used in more and more machines and systems electric motors replaced. To secure this electric motors Safety brakes are increasingly being used. For this purpose, Mayr Antriebstechnik has the new electromagnetic linear brake Roba-linearstop designed a fail-safe system with high holding forces. The spring-applied brake brakes dynamically with short switching times.

The electromagnetic execution of this linear brakes Series is generally suitable for all applications where no compressorsen or aggregates for compressed air and Oil hydraulics can be used. The fluid-free version ensures a clean brake solution, especially in medical technology or the food industry. Since drive axles are increasingly being equipped with electric motors, purely electrical systems are now also popular for safeguarding.

“We run as only manufacturer of electrically opening linear brakeswhich are also safety brakes at the same time, ”explains Bernd Kees, Product Manager at Mayr Antriebstechnik in Mauerstetten. These work according to the Fail-safe principle. They generate the braking force through compression springs and are closed in the de-energized state. The new series of electromagnetic brakes Roba-linearstop contains six sizes with forces from 70 to 17.000 N.   

"Most of the linear brakes available on the market act as static clamping units and are designed to hold the axes at a standstill," explains Bernd Kees. "However, people can also be under suspended loads during commissioning, maintenance or even during the production process without the load being transferred to the mechanical linear brake beforehand."

robotic arm | also as a kit

If the drive fails completely in these operating states, the linear brake is solely responsible for safely decelerating the load. That is why a Mayr safety brake is also designed for such dynamic braking. The company has voluntarily approved the brakes as a safety component in accordance with the Machinery Directive (2006/42 / EC) Type examination subjected.

Function and operating principle of the linear safety brakes

Roba-linearstop safety brakes hold in the event of a power failure or emergency stop vertical axes reliably in any position. The electrical lines can be laid inexpensively and easily, and expensive components such as directional control valves, quick-acting exhaust valves and pressure hoses or pipelines are no longer required. Where, on the other hand, a pneumatic network or hydraulic system is already installed, users can fall back on the proven pneumatic or hydraulic versions of the Roba-linearstop linear brake to suit the respective application. The pneumatic and hydraulic brake versions also work according to the fail-safe principle with braking force generated by compression springs. 

In the case of the Sledge the brake rod moves axially in the Roba-linearstop. It is kept free of play when the brake is closed. Disc springs generate the braking force and transfer it to a collet chuck via a conical surface without play. This clamps the brake rod steplessly without changing its position. When closed, the brake can be loaded in both directions of movement.

Whisper-quiet elevator brake secures elevators and escalators

The Roba-linearstop works without a self-reinforcing wedge effect and thus works in both directions of movement. Due to the very short reaction time and force generation without wedge effect, the axle does not sag when closing - a big advantage over brakes with self-reinforcing wedge effect. The electromagnetic, pneumatic and hydraulic versions of the Roba-linearstop are fully-fledged safety brakes. They enable axes to be reliably braked while they are in motion. With dynamic braking, sliding speeds of up to 2 m / s are permitted.

As a compact braking unit, the Roba-linearstop can be easily, quickly and without time-consuming adjustment work can also be integrated into existing constructions. 

Short switching time over a long service life

In order to ensure the safety of man and machine, especially with safety-critical and vertical axes, short stopping distances important. The switching time of the safety brake is decisive for the braking distance. Because during the free fall until it closes and the deceleration sets in, the mass accelerates additionally.

The Mayr engineers therefore placed particular emphasis on short switching times when developing the electromagnetic linear brakes. “Compared to previously common products, our brakes shift 10 times faster,” adds Bernd Kees. The greatest possible security is only available if the configured switching times are guaranteed over the entire service life. That is through a reliable Switching status control about the Control module realized. For larger brakes from size 40, there is a monitoring option with a proximity switch.

In addition to the linear brakes for piston rods, the provider works for Couplings and Brakes already working on the next innovation. The electrical safety brake for profile rails Roba guide stop for rails in sizes 25 to 45 is about to be ready for the market.

Select the correct servo safety brake

03.06.2020/XNUMX/XNUMX | The safety brake for holding a certain position and for emergency stop situations is an important part in the servo drive. In addition to the correct design, the monitoring of the servo brake is required, especially if they are integrated into the systems or are very small. So far, they have been considered non-monitorable in these cases. With the Roba-servostop, Mayr Antriebstechnik has developed a servo safety brake in a modular system that is particularly useful in the Robotic offers a solution. Intelligent brake monitoring ensures the monitoring. 

servo drives are widespread today. They are used in Industrial robotsn, vertical axes of machine tools or servo axes in the Medical Technology. The usual structure of servo drives includes safety brakes, which hold the drive in a safe position when it is at a standstill and bring it to a safe standstill in an emergency such as a power failure.

Robot were on the rise even before the Covid-19 pandemic, but this development in the field of medical technology is once again favored in these extraordinary times. The use of Service robots is discussed in four places, such as for corona test stations or the disinfection of rooms. The robots are supposed to help avoid contact and minimize the transmission of diseases.

Adaptive exoskeleton for the stroke patient

Wherever the collaboration between humans and robots is intensified, this also increases Hazard potential. In the event of a power failure, for example, a robot arm that is in use must be held precisely immediately so as not to endanger people in the vicinity. Therefore, developers should permanently exclude the unintentional dropping of a load and inadmissibly long stopping distances as early as the design phase. The right selection of the safety brakes and their correct integration into the overall system are decisive.

Safety thanks to the fail-safe principle

The correct selection of the safety brakes and their correct integration into the overall system are decisive for the reliable functioning of the servo system. Safety brakes after Fail-safe principle are the first choice. When de-energized, they are closed and deliver the required braking torque even in the event of a power failure, emergency stop or, for example, through Cablesbreak caused interruption of the energy supply.

So that the electromagnetic safety brake can also be used in applications for Emergency stop-Situations performs sufficient friction work and brakes movements with a defined braking torque, it requires a specific friction lining with a corresponding steel counter friction surface. While this is common with spring-applied brakes, permanent magnet brakes with their steel-on-steel friction combinations reach their tribological limits here.

Safety brake from the modular system

Roba-power stop Safety brake Mayr has a spring-loaded brake for servomotors specially designed for the high demands of robotics. The development is based on around 20 years of experience from working with renowned research institutes. "Our lightweight brakes have proven themselves in countless robotics applications around the world," explains Bernd Kees, Product manager at Mayr Antriebstechnik in Mauerstetten.

Predictive maintenance with artificial intelligence for robots

“We currently have a new one Standard series established. This allows us to effectively serve the most diverse installation situations using a practical modular principle. Customers benefit from a quick overview of the various solutions. The overall length is often an issue for servo motors, which means slim Brakes are beneficial here. The new standard series also takes this trend into account,” explains Bernd Kees further. From the new modular system, users can choose between a classic servo brake in the motor, hub and toothed rotor in a classic or slim design.

There is another slim and lightweight variant: the so-called Pad solution with a large inner diameter. The servo brake with hollow shaft was specially designed for integration into the robot joint. This safety brake is particularly compact, light and offers very good dynamic properties. But the classic brakes with hub and toothed rotor can also be customized and can be integrated directly into a joint. Axial positioning to the shaft is not necessary here.

Roba-servostop brakes are very light and in magnetic actuation extremely fast. They also have a high power density and wear resistance. The safety brakes offer a high permissible friction work with dynamic braking. "In addition, the Roba-servostop brakes are designed in such a way that the installation space is optimally used and as much energy as possible is saved," explains Bernd Kees.

“However, there is a much greater potential for savings in operation through the intelligent control of the safety brake with a Roba switch Rectifier: Because the brake is briefly energized with a high voltage only when it is switched on. In this phase, a high magnetic force is required to attract the armature disk across the air gap.

If the armature disk is then in contact with the coil carrier, a much smaller one is sufficient Magnetic force off to keep the brake open. Therefore, the voltage can be reduced significantly in this phase. If the rectifier reduces the voltage to a third of the value after the brake has been released, the coil power and thus also the energy consumption drop to just a ninth.  

Servo brakes not always integrated

In industrial applications, servo systems are common in which the Brake is integrated. As already mentioned, users have the choice between classic Servo brakes in the motor, with hub and toothed rotor or the pad solution with hollow shaft. This installation situation poses specific challenges. The temperature in a servo motor can reach up to 120 ° C.

All brake components must therefore be designed for such temperatures. In addition, servo brakes are preferred in the motor A-bearing side built-in. The fixed bearing is located here and thermal expansion cannot seriously affect the brake. Brakes from Mayr can also be used in the B-end shield of the motor. Because the interaction of bearing play and thermal expansion in the construction does not have a negative effect on the function and reliability of the brakes. Alternatively, users can use add-on brakes that are modularly attached to the Motor can be added.

The Electromagnetic safety brake also offers a high permissible friction work with dynamic braking. Usually, servo drives are chosen in favor of good control properties and high dynamic loads / mass ratios (load / motor) of 3: 1 or less. With the brakes of well-known manufacturers, loads / mass ratios of 30: 1 and more are possible due to the high permissible friction work and friction losses. With these externally mounted brakes, condition monitoring using microswitches or proximity switches is usually possible.

The whole thing looks different with the integrated brakes. Until now, they were not considered to be monitorable because the installation situation, operating temperature and the extremely small air gaps meant that there were no switches or Sensors can be used. This is in view of the increasing networking of machines in the Industry 4.0 Age a problem.

Of course, the control electronics of the servo drive deliver data, too Conclusions about the condition of the overall system allow. The safety brake itself remains silent. Even with closed systems, data from the brake would be very helpful, for example for predictive maintenance.

A pair of intelligent monitoring could, for example, indicate the end of the service life of the friction lining. The maintenance date could be planned with consideration of the entire operational sequence. Monitoring would therefore also be very useful for the safety brakes integrated in servo drives.

Wide range of application examples 

There are safety brakes from Mayr hardly any industrythat the drive specialist does not operate. They secure man and machine in elevators and escalators, in stage technology, the railway industry, test bench technology and the steel industry, in wind turbines, crane systems and winch technology, extruders, sewage technology, in tunnels and mining and the following sectors of our user reports:

Safety brake for the Robco robot kit

27.08.2023/XNUMX/XNUMX | The company Robco offers a modular robot kit for industrial production. In the robot arms, slim and lightweight robot brakes from the standard modular system from Mayr power transmission ensure the necessary safety.

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Linear brake secures the system in the production of cheese

23.10.2019/XNUMX/XNUMX | The systems for the production of cheese are just as sophisticated as the delicatessen itself. The French manufacturer Chalon Mégard uses in its systems Cheese production on the reliable linear brake from Mayr. The corrosion-protected braking systems ensure that the heavy cheeses do not fall.

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Safety brakes and shaft couplings for the beverage industry

18.09.2019/XNUMX/XNUMX | Beyer Maschinenbau plans, develops and builds efficient Packing and palletizing systems for the beverage and food industry. In lifting applications, the "Roba-linearstop" safety brakes from Mayr reliably ensure the safety of people and material.

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Electromagnetic brakes secure the vertical axis in robots

16.10.2018/XNUMX/XNUMX | With the new Linear gantry robot LGR-3 offers Fibro Läpple a modular system for loading and unloading as well as for handling workpieces. In the electrical version of the portal, the vertical axis is secured electromagnetic braken by Mayr.

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Profile rail brakes secure the rotary transfer machine at Krause+Mauser

04.08.2016 | In the Krause+Mauser Rotary transfer machine Reflex for processing steering knuckles, play-free profile rail brakes from Mayr ensure maximum functional reliability. They act directly on the moving masses of the vertical axes and protect people and material.

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Safety brakes protect the patient

03.06.2015/XNUMX/XNUMX | Electromagnetic spring-loaded brakes precisely ensure the function of high-quality medical devices such as X-ray machine, surgical microscope or power wheelchair. Mayr offers efficient solutions for the high demands of medical technology such as the Roba-stop-M.

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Mini-brake for robot joints, climb in space

16.10.2015/XNUMX/XNUMX | The climbing robot Space climber was designed for missions in difficult terrain. Mayr has developed a mini brake especially for its intelligent, powerful joints. It impresses with its small dimensions and increases the energy efficiency of the robot. 

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Angela Struck

Angela Struck is editor-in-chief of the development scout and freelance journalist as well as managing director of Presse Service Büro GbR in Ried.