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Safety brake for servomotors
®
ROBA
-servostop Cobot
Type 8981.29_01
Sizes 40 – 100
Issue status 2022-10
Translation of the Original Operational
Instructions
B.8981.EN
– power transmission
®
© Copyright by mayr
All rights reserved.
Reprints and copies – even extracts – are only permitted with the consent of the manufacturer.
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Summary of Contents for Mayr ROBA-servostop 8981.29 01
- Page 1 Sizes 40 – 100 Issue status 2022-10 Translation of the Original Operational Instructions B.8981.EN – power transmission ® © Copyright by mayr All rights reserved. Reprints and copies – even extracts – are only permitted with the consent of the manufacturer.
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Page 2: Table Of Contents
4.2.1 Quiescent Current Principle 9.3.2 Type 8981.29001 screw connection on the coil Views carrier back side Parts List (Only use mayr original parts) Electrical Connection 5 Technical Data ............ 12 10 Initial Operation ........... 24 Guidelines 10.1 Definition of the Braking Torques 5.1.1 Application Conditions... -
Page 3: Definition Of Terms
The time from power switch-on to achieving 10 % of the stated braking torque. At (release) this point, the brake is almost free. 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421 your reliable partner Page 3 of 27 www.mayr.com, E-Mail:... -
Page 4: Safety
Instructions carefully and ob- serve the Safety Regulations. Incorrect operation can cause injury or damage. 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421 your reliable partner Page 4 of 27 www.mayr.com, E-Mail:... -
Page 5: Intended Use
06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421 your reliable partner Page 5 of 27 www.mayr.com, E-Mail:... -
Page 6: Legal Provisions
(B.8981.EN) Legal Provisions Guarantee Directives, Standards and Regulations The guarantee conditions correspond with the Chr. Mayr GmbH + Co. KG sales and delivery Used Service General conditions (www.mayr.com (also to be observed during installation and operation) Terms and Conditions) ... -
Page 7: Guidelines On Ce Identification
We would hereby like to point out that the proportion of lead used here is not prohibited according to the REACH Regulation. It is merely necessary to declare the use of this substance. 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421... -
Page 8: Ce Identification
2007 2019 2008 2020 2009 2021 2010 2022 2011 2023 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421 your reliable partner Page 8 of 27 www.mayr.com, E-Mail: public.mayr@mayr.com... -
Page 9: Scope Of Delivery / State Of Delivery
06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421 your reliable partner Page 9 of 27 www.mayr.com, E-Mail:... -
Page 10: Views
Deviations from the standard strand are possible for special designs. If necessary, take into account the in- formation on the drawing. 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421... -
Page 11: Parts List (Only Use Mayr Original Parts)
Operational Instructions for ® ® ROBA -servostop Type 8981.29_01 Sizes 40 - 100 (B.8981.EN) Parts List (Only use mayr original parts) Item Name Coil carrier (assembly with coil) Armature disk Thrust spring (not depicted) Friction lining Flange plate Rotor disk Distance bushing Cap screw (customer-side) DIN EN ISO 4762 –... -
Page 12: Technical Data
(electrical) IP54: Dust-proof and protected against con- tact as well as against water spray from any direction. 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421 your reliable partner Page 12 of 27 www.mayr.com, E-Mail:... -
Page 13: Noise Emissions
Braking torque Braking distance Masses Temperatures etc. 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421 your reliable partner Page 13 of 27 www.mayr.com, E-Mail: public.mayr@mayr.com... -
Page 14: Technical Data
Observe the “Ambient temperature/Climate conditions” section 5.1.2 in the operational instructions! ® 3) The braking torque values are based on friction values determined in tests at mayr power transmission. As a friction system is influenced by many parameters, such as mounting situation, temperature, ambient conditions, run-in condition, wear, switching work, sliding speed, aging, contamination, etc., deviating braking torques are possible. -
Page 15: Tightening Torques
[rpm] 8000 - 10500 6000 - 8500 5000 - 7000 4500 - 6500 4000 - 5500 3500 - 5000 3500 - 4500 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421... -
Page 16: Dimensions
60º (6x) 36º (10x) 60º (6x) 45º (8x) 36º (10x) 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421 your reliable partner Page 16 of 27 www.mayr.com, E-Mail: public.mayr@mayr.com... -
Page 17: Switching Times
AC-side switching [ms] Separation time (release) [ms] Overexcitation time [ms] 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421 your reliable partner Page 17 of 27 www.mayr.com, E-Mail: public.mayr@mayr.com... -
Page 18: Guidelines For Application
The brake is not suitable for use in oily or se- verely contaminated environments 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421 your reliable partner Page 18 of 27 www.mayr.com, E-Mail:... -
Page 19: Electrical Connection And Wiring
(see section 5.2.5). 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421 your reliable partner Page 19 of 27 www.mayr.com, E-Mail:... -
Page 20: 7.4.2 Magnetic Field Removal
Overexcitation current Nominal current [Nm] Braking torque 7.4.1.4 Time Diagram: 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421 your reliable partner Page 20 of 27 www.mayr.com, E-Mail: public.mayr@mayr.com... -
Page 21: Protection Circuit
Depending on the application, the switching contact can The power circuit is interrupted between the power supply ® also be protected by other protection circuits (e.g. mayr and the coil. The magnetic field is quickly reduced via the spark quenching unit), although this may of course then protective element. -
Page 22: 9.1 Installation Conditions
Possible consequences of non-observance: Loss of preload force can cause the screw con- nection to loosen. 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421 your reliable partner Page 22 of 27 www.mayr.com, E-Mail:... -
Page 23: Installation Procedure
Here, please observe the max. screw-in depth, see 5.2.4. The user is responsible for providing the fixing 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421 your reliable partner Page 23 of 27 www.mayr.com, E-Mail:... -
Page 24: Electrical Connection
(10) (see also braking torque 5.2.1.1 for details). Release function inspection: by energizing the brake. 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421 your reliable partner Page 24 of 27 www.mayr.com, E-Mail:... -
Page 25: Maintenance / Inspection
Additional information: This friction lining (asbestos free) is not a dangerous product in terms of the EU Directive. 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421 your reliable partner Page 25 of 27 www.mayr.com, E-Mail:... -
Page 26: Disposal
Directive and not as parts or components are subject to registration obliga- tions. 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten Phone: +49 8341 804-0, Fax: +49 8341 804-421 your reliable partner Page 26 of 27 www.mayr.com, E-Mail:... -
Page 27: Malfunctions / Breakdowns
® Mayr power transmission will take no responsibility or guarantee for replacement parts and accessories ® which have not been delivered by mayr power transmission, or for damage resulting from the use of these products. 06/10/2022 GF Chr. Mayr GmbH + Co. KG Eichenstraße 1, D-87665 Mauerstetten...
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