mayr power transmission

Safety Brakes safe through fail-safe principle

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Safety brakes (pdf)
Vertical axes (pdf)

ROBA-stop®-M

The robust, cost-effective motor brake

  • Maintenance-free ( no re-adjustments necessary)
  • Easy installation
  • Completely enclosed brake housing in Protection IP 54 or IP 66
  • Insulation material class F
  • Can be used for 100% duty cycle
  • Short switching times

O-ring Installation ROBA-stop®-M - mayr® power transmission

0.7 - 1600 Nm

ROBA-stop®-M CCV

Perfect Pitch and Yaw Brakes and GL-certified Cold Climate Version

  • Maximum reliability
  • Minimum downtimes
  • Better competitive ability
  • Low procurement costs
  • Reduction of operating costs
  • Constructional freedom of design
7 - 200 Nm

ROBA®-topstop®

Modular safety brake system for A-bearing-side servomotor attachment

  • Secure holding of the axis in any position, even with de-installed servomotor, for example during machine maintenance
  • The perfect brake system for vertical axes and for handling large weights
  • Long service lifetime, even with frequent EMERGENCY STOP braking actions
  • Monitoring of the operating condition via integrated switch
  • Short, compact design
  • Low dead weight
  • Low self-heating, even at 100% duty cycle
6 - 400 Nm

ROBA®-linearstop

Hydraulic – Pneumatic – Electromagnetic

Highlights and Advantages
  • Safety brake system according to the fail-safe principle
  • Backlash-free force transmission having an effect on both sides
  • No self-reinforcement during clamping
  • Clearing the clamping device is not necessary
  • Maximum performance density
  • Suitable for EMERGENCY STOP braking actions
  • Suitable for dynamic braking actions
  • Minimum reaction times
  • Integrated switching condition monitoring possible
  • Long service lifetime
  • Can easily be integrated into existing constructions

ROBA®-linearstop hydraulic

Type 380.01 _.0

Clamps a piston rod via a spring-loaded device at the exact position required and backlash-free. The brake is opened with a hydraulic pressure of 35 – 75 bar.

Suitable for EMERGENCY STOP braking actions.

Nominal holding force: 4000 – 50000 N

For data and description, please see pages 6/7 in our catalog.

 

ROBA®-linearstop pneumatic

Type 381.0__._ (acc. Trade Association test regulation)
Clamps a piston rod via a spring-loaded device at the exact position required and backlash-free. The brake is opened with a pneumatic pressure of 4 – 6 bar.

Suitable for EMERGENCY STOP braking actions (tested by TÜV-SÜD, German Technical Inspectorate).

Type 381. 1 _ _ . _ for dynamic braking actions (acc. Trade Association test regulation)
Clamps and brakes a piston rod via a springloaded device at the exact position required and backlash-free. The brake is opened with a pneumatic pressure of 4 – 6 bar. If the Technical Data are observed, more than 20,000 dynamic braking actions are possible (tested by the TÜV-SÜD, German Technical Inspectorate).

Nominal holding force: 450 – 40000 N

For data and description, please see pages 8/9 in our catalog.

ROBA®-linearstop electromagnetic

Type 382.0__._

Clamps a piston rod via a spring-loaded device at the exact position required and backlash-free. Brake is opened through electromagnetic actuation with DC current.

Nominal holding force: 200 – 17000 N

For data and description, please see pages 12/13 in our catalog.

 
180 - 50000 N

ROBA-stop®-silenzio®

The quietest safety brake for elevator and stage drives

  • Dual-circuit brake as redundant brake system with very short constructional length
  • Installation of microswitches for function monitoring possible
  • Simplest possible installation
  • No air gap adjustment necessary
  • Consistently low noise level for several hundred thousand switching actions
3 - 4300 Nm

ROBA®-guidestop

Decelerate reliable and safety – Clamp rigidly and backlash-free

  • Maximum safety due to fail-safe principle
  • Design uses two braking circuits for double the holding force or a redundant function
  • Safety and reliability thanks to direct, backlash-free clamping
  • High degree of rigidity up to the full nominal force
  • Very high holding forces
  • Designed for standard linear guides

The backlash-free and rigid clamping

  • Reinforces the NC axis
  • Is gentle on the ball screw spindle
  • Improves process accuracy
  • Increases the machining performance
9500 - 34000 N

ROBA®-diskstop®

Safety brake system for brake disks

  • Cost-effective, patented solution for high braking torques
  • Redundancy function acc. EN 81 in two-brake arrangements
  • Prototype-inspected as protective equipment against excessive upward speeds (ABV 08495)
  • With patented alignment mechanism to avoid sliding noise
  • Patented noise damping for quiet operation
  • Can be released electrically and mechanically without direct access to the drive
  • Installation of microswitches for function monitoring possible
  • Easy installation with no adjustment work required
  • High energy absorption capability
1244 - 4867 Nm

ROBA®-duplostop®

Double safety brake for elevator drives

  • Maximum safety due to redundancy acc. EN 81
  • When fitted with release monitoring, also suitable as protective equipment against excessive upward speeds
  • Exceptionally short design
  • Brakes can be switched and inspected individually
  • Mounting the encoder does not lengthen the construction
  • Installation of microswitches for funstion monitoring possible
  • Easy installation without adjustment work
  • Virtually silent due to patented mayr noise damping
  • Brake release via hand release available as an option
200 - 1460 Nm

ROBA®-twinstop®

The perfect elevator brake for compact drives

The reliable double brake acc. EN 81

  • Maximum safety due to redundancy
  • Extremely short design
  • Virtually silent due to mayr-noise damping
  • Cost-effective
  • Easy installation
180 - 700 Nm

ROBA-stop® Universal

Multi-function all-round safety brake

  • Sensitive braking torque adjustment
  • Easy wear re-adjustment
  • Designs as positioning brake, holding brake, tacho brake and peak load brake
  • Enclosed design
  • Easy installation
  • Insulation material class F
  • Can be used for 100 % duty cycle
  • Short switching times
1.1 - 1600 Nm

ROBA®-secustop

The perfect double brake for chain hoists and hoisting devices

  • Cost-effective and economically priced
  • Easy installation without adjustment work for high operational safety
  • High reliability due to 100 % quality control
  • Maintenance-free due to wear-resistant and durable brake linings
  • Low-noise due to integrated damping
8 - 32 Nm

ROBA-stop®-S

Waterproof, robust monoblock brake

  • Completely enclosed and sealed design in Protection IP67
  • Robust, one-piece monoblock housing
  • All components are corrosion-resistant
  • High friction work permitted
  • Can be used in extreme ambient conditions
  • Remote diagnosis due to integration of release and wear monitoring
  • Anti-condensation heating to prevent condensate precipitation in the brake interior
100 - 800 Nm

ROBA-stop®-Z

Cost-effective dual-circuit safety brake

  • High safety due to two independent brake circuits in one brake
  • Compact design
  • Unique double rotor design
  • Tried and tested in passenger elevators and stage drives
  • Perfectly suited for hoisting devices and conveyor systems
  • Virtually silent operation due to switching noise damping
  • Prototype-inspected
70 - 2380 Nm

ROBA®-alphastop®

Safety brake for A-bearing-side attachment onto Fanuc motors

  • Complete with backlash-free shaft coupling
  • Simple installation between servomotor and mounting flange
  • Completely enclosed brake housing
  • Insulation material class F
  • Can be used for 100 % duty cycle
12 - 35 Nm

ROBA®-pinionstop

Safe rack and pinion brake

  • Safe holding of the axis via manufacturer-assembled brake module with pinion shaft
  • Independent, electromagnetically released safety brake system
  • Integrated release monitoring
  • Sealed brake housing
  • Possibility of individual dimensioning and design of the brake configuration
  • Easy installation
  • Easy implementation of a redundant brake system (acc. Category 3) via attachment of a second ROBA-pinionstop brake or via application of an additional brake on the servomotor


ROBA®-pinionstop safety brakes are dimensioned and designed individually. Contact us! We are happy to help you find the optimum solution for your application. (The basis for the ROBA®-pinionstop is mainly the construction series ROBA-stop®-M (catalogue K.891.V_ _._ _). Depending on the installation situation, the toothed rack profile and the technical requirements, we create the appropriate brake for you with an integrated pinion.)

0.7 - 4867 Nm

ROBA®-servostop®

Safety brake for servomotors

  • Extremely low mass moment of inertia
  • Easy and safe installation without complicated and time-consuming adjustment work
  • Resistant against voltage fluctuations
  • Resistant against temperature expansion; can also be used B-bearing-side without restrictions
  • High permitted friction work

 

 
3.25 - 100 Nm