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Summary of Contents for Festo ERMB
- Page 1 Rotary module ERMB (en) Operating instructions 8103858 2018-12a [8103860]...
- Page 2 Information on environmentally sound usage Text designations: • Activities that may be carried out in any order 1. Activities that should be carried out in the order stated – General lists è Result of an action/References to more detailed information Festo ERMB 2018-12a...
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Page 3: Table Of Contents
......... . Festo ERMB 2018-12a English... -
Page 4: Operating Parts And Connections
ERMB For all available product documentation è www.festo.com/pk Operating parts and connections Fig. 1 Centring holes and threaded holes for Threaded hole for proximity switch fastening (on 6 sides) (covered) Drive shaft (hollow shaft) with thread for Toothed belt tension pulley with locking... -
Page 5: Function And Application
Note The ERMB is not fitted with a brake. When the input torque is not applied, the rotary module can be moved freely. Generally self-locking of the complete system can be achieved with motors with integrated holding brake or with high self-braking torque. -
Page 6: Conditions Of Use
The positioning times and permitted mass moments of inertia on the drive depend to a large extent on the flange-mounted motor. S Use the design tool “Positioning Drives” from Festo for ascertaining the optimum combination of the products (è www.festo.com). -
Page 7: Fitting
External stops can cause the toothed belt to tear due to excessive forces. S Use only the motor controller for braking the ERMB. Position the ERMB so that all the operating parts are accessible. Fasten the ERMB with 4 screws and 2 centring sleeves (diagonal) or with the aid of kits to the threaded holes 1 or 8. - Page 8 If there is a power failure or if the toothed belt breaks inside the ERMB, the work load Fig. 6 will slide down. S Make sure that the ERMB is driven only by motors with an integrated spring- loaded holding brake. S Check whether external safety measures against damage due to toothed-belt frac...
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Page 9: Fitting Electric Components
(B). – then unscrew it approx. 0.6 of a turn (o 0.6 mm). 4. Screw the threaded pin (ß 2.5) into the clamping unit (C). The tightening torque Fig. 9 is 0.8 Nm. Festo ERMB 2018-12a English... -
Page 10: Fitting Electric Components
Turning the holding ring (F) Note If the holding ring is loosened, the drive shaft may be drawn out of the ERMB due Fig. 10 to excessive axial forces. S Avoid axial forces when the holding ring is loose. -
Page 11: Commissioning
Note Excessive drive torques will damage the ERMB. S Observe the maximum permitted drive torque of the ERMB. If necessary, the motor current must be limited. Note With excessive rotary movements (e.g. endless rotation) the energy supply to the plug-in components may be interrupted. -
Page 12: Commissioning - Carrying Out
3. Start test travel limited to low dynamics. 4. Check whether the ERMB fulfils the following requirements: – The rotary module must be able to move through the complete intended positioning cycle. -
Page 13: Care And Maintenance
(danger of fingers being squashed). Controller signals can cause unintentional movements of the ERMB. S Switch off the controller for all maintenance work on the ERMB and protect it from being switched on again unintentionally. If necessary, clean the ERMB with a soft cloth. -
Page 14: Accessories
Rotary module Loadings too high Reduce load mass does not move Reduce positioning speed Send ERMB to Festo for repairs Fastening screws too long (è chapter 5 Observe maximum screw-in depth “Fitting mechanical components”) Motor is blocked Eliminate cause... -
Page 15: Technical Specifications
< 3700 inertia of the work load Toothed belt spacing [mm] Ambient temperature [°C] –10 ... +60 Protection class IP20 1)Drive take-off torque minus friction depends on speed 2) at maximum speed 3) Motor-dependent; measured with MTR-DCI-...-G14 Festo ERMB 2018-12a English... - Page 16 Drive shaft: high-alloy steel, stainless Toothed belt: polychloroprene with glass fibre Weight (approx.) [kg] 0.85 1.46 3.25 1)Drive take-off torque minus friction depends on speed 2) at maximum speed 3) Motor-dependent; measured with MTR-DCI-...-G14 Fig. 16 Festo ERMB 2018-12a English...
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Page 17: Characteristic Curves
ERMB Characteristic curves Max. static power Fx and Fy as a function of the distance y and z ERMB-20 ERMB-25 ERMB-32 | Fy | | Fx | Festo ERMB 2018-12a... - Page 18 ERMB Max. dynamic power Fx and Fy as a function of the distance y and z ERMB-20 ERMB-25 ERMB-32 | Fy | | Fx | Festo ERMB 2018-12a...
- Page 19 ERMB Festo ERMB 2018-12a...
- Page 20 Copyright: Festo SE & Co. KG Ruiter Straße 82 73734 Esslingen Germany Phone: +49 711 347-0 Fax: +49 711 347-2144 E-mail: Reproduction, distribution or sale of this document or communica service_international@festo.com tion of its contents to others without express authorization is prohibited.