Related Manuals for SEW-Eurodrive VARIMOT R57
Summary of Contents for SEW-Eurodrive VARIMOT R57
- Page 1 Drive Technology \ Drive Automation \ System Integration \ Services Assembly and Operating Instructions ® VARIMOT Variable-Speed Gear Unit and Accessories Edition 02/2012 19368410 / EN...
- Page 2 SEW-EURODRIVE—Driving the world...
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Page 3: Table Of Contents
Contents Contents General Information .................... 5 How to use this documentation..............5 Structure of the safety notes ............... 5 Rights to claim under warranty ..............6 Exclusion of liability..................6 Copyright..................... 6 Product names and trademarks ..............6 Safety Notes ......................7 Preliminary information ................ - Page 4 Contents Malfunctions ...................... 36 ® VARIMOT variable speed gear unit ............36 Accessory equipment................36 Index........................38 Operating Instructions – VARIMOT® Variable-Speed Gear Unit and Accessories...
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Page 5: General Information
If you are unclear about any of the information in this documentation, or if you require further information, contact SEW-EURODRIVE. Structure of the safety notes 1.2.1... -
Page 6: Rights To Claim Under Warranty
You must comply with the information contained in this documentation to ensure safe operation of the Variable-speed gear units units and to achieve the specified product characteristics and performance requirements. SEW-EURODRIVE assumes no liability for injury to persons or damage to equipment or property resulting from non-observance of the documentation. -
Page 7: Safety Notes
Safety Notes Preliminary information Safety Notes The following basic safety notes must be read carefully to prevent injury to persons and damage to property. The operator must ensure that the basic safety notes are read and adhered to. Make sure that persons responsible for the system and its operation, as well as persons who work independently on the unit, have read through the operating instruc- tions carefully and understood them. -
Page 8: Target Group
The Variable-speed gear units are intended for industrial systems. The gear units may only be used according to the specifications in the technical docu- mentation from SEW-EURODRIVE as well as the specifications on the nameplate. They fulfill the applicable standards and regulations. -
Page 9: Transport/Storage
Switch off the gearmotor if in doubt whenever changes occur in relation to normal oper- ation (e.g. increased temperature, noise, vibration). Determine the cause and contact SEW-EURODRIVE, if required. Inspection/maintenance Observe the notes in chapter "Inspection/Maintenance"! -
Page 10: Varimot ® Structure
® VARIMOT Structure Nameplate/type designation ® VARIMOT Structure Nameplate/type designation 3.1.1 Type designation The following diagram shows a type designation example: Motor length and number of poles Motor size DR motor series with code letter E (IE2 according to IEC 60034-30) Gear unit size •... -
Page 11: Unit Structure - Varimot ® Variable-Speed Gear Unit
® VARIMOT Structure ® Unit structure – VARIMOT variable-speed gear unit Output torque M at maximum output speed n Output torque M at maximum output speed n Output torque in Nm ® Unit structure – VARIMOT variable-speed gear unit ® The following figure shows the unit design of the VARIMOT variable-speed gear unit: 4590562443... -
Page 12: Overview Of Varimot ® Mounting Options
® VARIMOT Structure ® Overview of VARIMOT mounting options ® Overview of VARIMOT mounting options ® The following figure shows the combination options for the VARIMOT variable-speed gear unit: 4597336843 Adjustment device with free shaft end NV Adjustment device with handwheel and HS position display Adjustment device with handwheel H (standard design) Adjustment device with chain sprocket K Electromechanical remote control EF and EFPA (with remote setting indicator) -
Page 13: Installation
Installation Required tools/resources Installation CAUTION Damages of the friction ring due to excessive use of the adjustment function in stand- still. Possible damage to property • Adjustment at standstill is possible, however this should not be done too frequently in operation. Required tools/resources •... -
Page 14: Installation Installation Requirements
Installation Installation requirements For standard gear units: – Ambient temperature according to the technical documentation, and nameplate. – No harmful oils, acids, gases, vapors, radiation etc. in the vicinity For special designs: – The drive is designed in accordance with the ambient conditions. Observe the in- formation on the nameplate. -
Page 15: Installing The Gear Unit
Installation Installing the gear unit Installing the gear unit CAUTION Improper assembly may result in damages to the gear unit/gearmotor. Possible damage to property • Do closely observe the notes in this chapter. • Work on the gear unit only when the machine is not in use. Secure the drive unit against unintentional power-up. - Page 16 Installation Installing the gear unit 4.3.1 Tightening torques for retaining screws Mount the gearmotors with the following tightening torques: Tightening torque screw / nut Strength class 8.8 Screw/nut [Nm] 1450 2500 4.3.2 Installation in damp locations or in the open Drives are supplied in corrosion-resistant versions with an according surface protection coating for use in damp areas or outdoors.
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Page 17: Assembling Input And Output Elements
Installation Assembling input and output elements 4.3.3 Painting gear units NOTICE Oil seals may be damaged during painting or re-painting. Potential damage to property. • Thoroughly cover the sealing lip of the oil seals with strips prior to painting. • Remove the strips after painting. -
Page 18: Mounting Of Couplings
Installation Mounting of couplings 4.4.2 Avoiding excessive overhung loads Avoid high overhung loads by: Installing the gear or chain sprocket according to figure B if possible. 211364235 [1] Hub [A] unfavorable [B] correct INFORMATION Mounting is easier if you first apply lubricant to the output element or heat it up briefly (to 80 - 100 °C). -
Page 19: Accessory Equipment
Installation Accessory equipment Accessory equipment 4.6.1 Electromechanical remote speed control EF/EFPA Description Electromechanical remote speed control consists of a servo motor which, in the EFPA type, is supplemented by an indicator unit. This indicator unit can be installed in a control cabinet. - Page 20 Installation Accessory equipment Connecting and The indicator unit of the electromechanical remote speed control can only be used in setting the indica- conjunction with the EFPA variable-speed gearmotor. tor unit for EFPA 1. Connect the indicator unit to the adjustment motor according to the enclosed wiring diagram.
- Page 21 Installation Accessory equipment Limiting the speed The trip stop cams are preset for the entire speed range of the variable-speed gearmo- range for EF, EFPA tor. However, it may be limited as follows: NOTICE Damages due to mechanical stop. Possible damage to property •...
- Page 22 Installation Accessory equipment 3. A) Upper trip stop cam [3]: – Loosen the upper trip stop cam with a screw driver. – Turn it to the left up to the trip point. 4549283723 4. Additionally for variant with potentiometer [5]: –...
- Page 23 Installation Accessory equipment 4.6.2 IG voltage pulse encoder, installing, connecting and setting the analog and digital FL and DA remote speed indicator Different designs The following designs are available: Accesso- Type ries IG = The scope of delivery for this type only includes the IG voltage pulse encoder [3] without indicator unit FL or DA.
- Page 24 Installation Accessory equipment Connecting and The contactless analog FL remote speed indicator is connected to the IG voltage pulse adjusting the ana- generator on the variable-speed gear unit. log FL remote speed indicator 230 V M GBS S 4545491083 Rough setting Fine tuning 1.
- Page 25 Installation Accessory equipment Connecting and The contactless, digital DA remote speed indicator is connected to the GW AC encoder adjusting the digital or the IG voltage pulse encoder DA remote speed 1. Assemble the unit as shown in the following figure: indicator 9 10 230 V...
- Page 26 Installation Accessory equipment Technical data The following table lists the technical data of the digital DA remote speed indicator: Description Voltage encoder Display unit analog (scale 0 – 100 %) Line connection 230 V, 50 – 60 Hz Power consumption about 4.2 VA Encoder connection with two-core cable, shielded...
- Page 27 Installation Accessory equipment Calculation exam- ples DA Example 1 Example 2 Drive R107 R77 D26DA DRE90L4 R107 R77 D26DA DRE90L4 Data Output speed = 1.45 – 7.3 Output speed = 1.45 – 7.3 Pulses/revolution z = 6 Pulses/revolution z = 6 max.
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Page 28: Startup
Startup Startup CAUTION Damages of the friction ring due to excessive use of the adjustment function in stand- still. Possible damage to property • Adjustment at standstill is possible, however this should not be done too frequently in operation. • Secure the key for test mode without output elements. -
Page 29: Speed Adjustment Via Handwheel
Startup Speed adjustment via handwheel Speed adjustment via handwheel Turning the handwheel changes the speed range as follows: • CCW rotation increases the drive speed • CW rotation decreases the drive speed The following figure illustrates the directions: Increasing speed Decreasing speed The minimum output speed n and the maximum output speed n... -
Page 30: Inspection/Maintenance
Inspection/Maintenance Preliminary work regarding gear unit inspection/maintenance Inspection/Maintenance Preliminary work regarding gear unit inspection/maintenance Observe the following notes before you start with the inspection/maintenance work. WARNING Risk of crushing if the drive starts up unintentionally. Severe or fatal injuries. • Disconnect the gearmotor from the power supply before starting work and protect it against unintentional re-start. -
Page 31: Required Tools/Resources
Inspection/Maintenance Required tools/resources Required tools/resources • Set of wrenches • Hammer • Punch and/or piercer • Retaining ring pliers • Lubricant e.g. "Never Seez normal" • Lever press Inspection and maintenance intervals ® 6.3.1 VARIMOT variable speed gear unit The following table lists the obligatory intervals and the corresponding measures: Unit / unit part Time interval What to do? -
Page 32: Checking The Friction Ring
Inspection/Maintenance Checking the friction ring Checking the friction ring 1. Loosen all retaining screws [2]. 2. Separate the drive between the housing cover and the housing. 3. Check the friction ring: – if chamfers are visible: friction ring is OK –... - Page 33 Inspection/Maintenance Replacing the friction ring 7. Clean the contact surfaces. – On the friction ring, use dry paper or cloth – On the drive pulley [6], use degreasing cleaning agent [3] [16] [6] [5] 4678211723 Plate Drive disk Adjusting plate [16] Screw Housing cover...
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Page 34: Regreasing The Ef/Efpa Adjustment Spindle
Inspection/Maintenance Regreasing the EF/EFPA adjustment spindle Regreasing the EF/EFPA adjustment spindle The following figure shows an adjustment motor with adjustment spindle: [11] [14] [12] [15] [13] 4678448907 [11] Variable motor [14] Socket [12] Intermediate flange [15] Washer [13] Adjustment spindle 1. -
Page 35: Technical Data
Technical Data Extended storage INFORMATION For storage periods longer than 9 months, SEW-EURODRIVE recommends the "Ex- tended storage" type. Gear units in this design are designated with a corresponding label. For long-term storage, option ../B (in corrosion protection design) is used. - Page 36 Malfunctions ® VARIMOT variable speed gear unit Malfunctions ® VARIMOT variable speed gear unit Malfunction Possible cause Solution Drive slipping Friction ring is worn. Replace friction ring, see chapter "Replacing the friction ring" (page 32). Friction ring or face of adjustment Clean contaminated part: disk is contaminated.
- Page 37 Malfunctions Accessory equipment Malfunction Possible cause Solution Incorrect display Display not adjusted properly. Set the display on the back of the unit, see chapter "Limiting the speed range for EF, EFPA" (page 21). 1) Remove, grease and reinstall each guide rod individually. 8.2.2 Contactless FL and DA remote speed indication, IG voltage pulse encoder Malfunction...
- Page 38 Index Index IG voltage pulse generator installation ....23 Installation..............13 Accessory equipment..........19 Installing the gear unit..........15 Adjustment spindle Regreasing............34 Ambient conditions Oils, acids, gases, vapors, dusts, radiations..14 Lubricant ..............35 Temperature ............14 Assembling input and output elements ....17 Auxiliary means............13 Malfunctions............36 Axial forces ............15 Mounting device.............17 Mounting options ...........12 Connecting and setting the indicator unit for...
- Page 39 Index Signal words in safety notes ........5 Transport ..............9 Solvent ..............14 Type designation ...........10 Standard parts ............13 ® VARIMOT design..........11 ® Tightening torques ..........16 VARIMOT structure ..........10 Tools ..............13 Operating Instructions – VARIMOT® Variable-Speed Gear Unit and Accessories...
- Page 44 SEW-EURODRIVE—Driving the world SEW-EURODRIVE Driving the world SEW-EURODRIVE GmbH & Co KG P.O. Box 3023 D-76642 Bruchsal/Germany Phone +49 7251 75-0 Fax +49 7251 75-1970 sew@sew-eurodrive.com www.sew-eurodrive.com...
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