ROBA-stop®-silenzio®
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As the technological leader, mayr® power transmission focuses on continuous further development. Today, highly qualified engineers and technicians work on tomorrow's innovations using the most up-to-date tools. The many years of experience and countless tests in the Development and Testing Department at the Mauerstetten Headquarters form the basis of conscientious lifetime dimensioning. The values upheld by our traditional, family-run company also include long-term stability and independence as well as a good reputation and satisfied customers. Therefore, we place emphasis on: • Tested...

Specialists in power transmission for more than a century Never compromise on safety ®  mayr power transmission is one of the most traditional and yet most innovative companies in the field of power transmission. From modest beginnings in the year 1897, the family enterprise has developed to become the world market leader. Worldwide, the company employs approximately 1200 people.   We make no compromises where safety is concerned. Only top products of a perfect quality guarantee that no people are injured or machines damaged in case of malfunctions, collisions and other hazardous...

your reliable partner ROBA-stop®-silenzio® Reliable dual circuit brake in accordance with DGUV Rule 115-002 (previously BGV C1), DIN EN 17206, EN 81-20, EN 81-50 and other international standards Characteristics • Dual circuit brake as redundant brake system with a very short construction length • Microswitch or proximity switch can be mounted for release monitoring • Simplest possible installation • No air gap adjustment necessary • Continuously low noise levels for several hundred thousand switchings The quietest safety brake Due to a newly developed noise damping unit, the...

your reliable partner ROBA-stop®-silenzio® Sizes 4 to 1800 Permitted shaft diameter 8 to 100 Braking torques 2 x 3 to 2 x 2150 Nm (Dual circuit brake) Dual circuit brake Redundant brake system with two independently working brake bodies 3 to 2150 Nm (Single circuit brake) Single circuit brake Compact brake with an extremely short construction length Page 10 [> Double rotor design Single circuit brake with two rotors (4 friction surfaces) with doubled braking torque ROBA-stop®-silenzio® with double rotor design Sizes 300 to 1800 Permitted shaft diameter 35 to 100 In addition to the standard...

O mayr your reliable partner ROBA-stop®-silenzio® Type 896.0 _ _.3_ - Sizes 4 to 100 Noises < 50 dB(A) (Sound pressure level measurement, AC-side switching) at nominal braking torque Braking Torque Adjustment [Nm] Sizes 4 8 16 32 64 100 Dual circuit brake Type 896.0 _ _ .3 Type 896.101.30 (Single circuit brake) Type 896.105.33 (Single circuit brake) *=L, 120 % Single circuit brake Type 896.1 _ _ .3 At the start of a braking procedure, high speeds lead to high friction powers which have a direct effect on the friction contact temperature. High temperatures lead generally to a reduction of...

Type 896-9 _ _.3_ - Sizes 4 to 100 1 We reserve the right to make dimensional and constructional alterations. 3) Over 0 13 keyway acc. DIN 6885/3 4) Over 0 18 keyway acc. DIN 6885/3 5) Over 0 22 keyway acc. DIN 6885/3 6) Over 0 32 keyway acc. DIN 6885/3 7) Over 0 44 keyway acc. DIN 6885/3

your reliable partner Noises < 50 dB(A) (Sound pressure level measurement, AC-side switching) at nominal braking torque Technical Data At a braking torque adjustment of 120 % (for Sizes 500 and 800) overexcitation (1.5 to 2 x the nominal voltage) is required for safe and fast release, using our ROBA®-switch fast acting rectifier (please contact mayr ® power transmission if necessary). At the start of a braking procedure, high speeds lead to high friction powers which have a direct effect on the friction contact temperature. High temperatures lead generally to a reduction of the present...

your reliable partner 3) Over 0 48 keyway acc. DIN 6885/3 4) Over 0 56 keyway acc. DIN 6885/3 5) Over 0 65 keyway acc. DIN 6885/3 6) Over 0 95 keyway acc. DIN 6885/3 Types 896.0 _ _.3_ - Sizes 200 to 1800 Bores [mm] Sizes We reserve the right to make dimensional and constructional alterations.

O mayr your reliable partner ROBA-stop®-silenzio® Double rotor design Type 896.2_ _.3_ - Sizes 300 to 1800 Noises < 65 dB(A) (Sound pressure level measurement) at nominal braking torque Technical Data Braking Torque Adjustment [Nm] At nominal braking torque 100 % (for Sizes 500 and 800) and at a braking torque adjustment of 120 % (for all Sizes) overexcitation (1.5 to 2 x the nominal voltage) is required for safe and fast release, using our ROBA®-switch fast acting rectifier (please contact mayr ® power transmission if necessary). 1) Braking torque tolerance: + 0 % / + 60 %. For other...

o mayr your reliable partner 3) Over 0 56 keyway acc. DIN 6885/3 4) Over 0 65 keyway acc. DIN 6885/3 5) Over 0 95 keyway acc. DIN 6885/3 We reserve the right to make dimensional and constructional alterations.

your reliable partner 8 Hexagon head screw 8.1 **Hexagon head screw 10 Transportation lock 14 Thrust spring 15 Shoulder screw 16 Distance bolt * Only on single circuit brake designs ** Sizes 4 - 300 only on single circuit brake designs Parts List (Only use mayr® original parts) 1 Hub assembly with 2 O-rings (2) 1.1 *Hub assembly with 1 O-ring (2) 2 O-ring 3 Coil carrier assemblies 1 and 2 4 Armature disks 1 and 2 5 Rotor 1 5.1 Rotor 2 6 Hand release assembly Installation Conditions (Figs. 1, 2 and 3) • The eccentricity of the shaft end in relation to the mounting pitch circle must not...

o mayr your reliable partner ROBA-stop®-silenzio® - Brake Dimensioning Brake Size Selection 2. Inspection of thermic load J x n2 Mn The permitted friction work (switching work) Qr zul per braking for the specified switching frequency can be taken from the Friction-Power Diagrams (page 14). If the friction work per braking is known, the max. switching frequency can also be taken from the Friction-Power Diagrams (page 14). Mass moment of inertia Safety factor (1.5 - 3 x depending on conditions) Required braking torque Deceleration torque Load torque * sign in brackets (-) is valid if load is...