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Type HEW1
Type HEW-ZS
Please observe protection
note ISO 16016.
BoWex-ELASTIC
Operating/Assembly instructions
Type HEW, HEW Compact and HEW-ZS
BoWex-ELASTIC
highly flexible flange coupling types
HEW, HEW Compact and their combinations
according to directive 2014/34/EU
Drawn:
2019-11-06 Pz
Verified:
2019-11-06 Pz
®
KTR-N
Sheet:
Edition:
®
Type HEW2
Type HEW Compact
Replacing:
KTR-N dated 2019-08-13
Replaced by:
40114 EN
1 of 24
9
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Table of Contents
Summary of Contents for KTR-Group BoWex-ELASTIC HEW-ZS
- Page 1 ® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 1 of 24 Type HEW, HEW Compact and HEW-ZS Edition: ® BoWex-ELASTIC highly flexible flange coupling types HEW, HEW Compact and their combinations according to directive 2014/34/EU Type HEW1 Type HEW2 Type HEW-ZS Type HEW Compact Drawn: 2019-11-06 Pz...
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Page 2: Table Of Contents
® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 2 of 24 Type HEW, HEW Compact and HEW-ZS Edition: ® BoWex-ELASTIC HEW is a highly flexible plug-in shaft coupling. It dampens torsional vibrations, reduces shocks and insulates structure-borne noise. ® The BoWex-ELASTIC HEW coupling compensates for relatively large shaft displacements, for example caused by inaccuracies in production, thermal expansion etc. -
Page 3: Technical Data
® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 3 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Technical data ® BoWex-ELASTIC type HEW1 and HEW2 ® ® Illustration 1: BoWex-ELASTIC type HEW1 Illustration 2: BoWex-ELASTIC type HEW2 Table 1: Dimensions - type HEW1 and HEW2 Max. - Page 4 ® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 4 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Technical data ® BoWex-ELASTIC type HEW1 and HEW2 Table 2: Torques - type HEW1 and HEW2 Elastomer Torque [Nm] Elastomer Torque [Nm] Size hardness Size...
- Page 5 ® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 5 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Technical data ® BoWex-ELASTIC type HEW Compact ® ® Illustration 3: BoWex-ELASTIC type HEW1 Compact Illustration 4: BoWex-ELASTIC type HEW2 Compact Table 3: Dimensions - type HEW Compact Weight Mass moment of Max.
- Page 6 ® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 6 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Technical data ® BoWex-ELASTIC type HEW-ZS ® ® Illustration 5: BoWex-ELASTIC type HEW-ZS (size 48 to G 80) Illustration 6: BoWex-ELASTIC type HEW-ZS (size 100 to G 125) Table 5: Dimensions - type HEW-ZS Max.
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Page 7: Advice
® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 7 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Advice 2.1 General advice Please read through these operating/assembly instructions carefully before you start up the coupling. Please pay special attention to the safety instructions! ®... -
Page 8: Intended Use
® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 8 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Advice 2.4 Intended use You may only assemble, operate and maintain the coupling if you • have carefully read through the operating/assembly instructions and understood them •... -
Page 9: Storage, Transport And Packaging
® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 9 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Storage, transport and packaging 3.1 Storage The coupling hubs are supplied in preserved condition and can be stored at a dry and roofed place for 6 - 9 months. - Page 10 ® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 10 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Assembly 4.1 Components of the couplings ® Components of BoWex-ELASTIC type HEW Compact Component Number Description Elastomer part Coupling flange see table 3 Cap screw DIN EN ISO 4762 Setscrew DIN EN ISO 4029 ®...
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Page 11: Advice For Finish Bore
® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 11 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Assembly 4.2 Advice for finish bore The maximum permissible bore diameters d (see chapter 1 STOP - technical data) must not be exceeded. If these figures are disregarded, the coupling may tear. -
Page 12: Assembly Of The Coupling
® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 12 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Assembly 4.3 Assembly of the coupling We recommend to inspect bores, shaft, keyway and feather key for dimensional accuracy before assembly. Heating the hubs lightly (approx. -
Page 13: Displacements - Alignment Of The Couplings
® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 13 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Assembly 4.3 Assembly of the coupling Valid for type HEW only: Mount the elastomer part (component 1) in front of the coupling flange (component 4) and screw the components at the tightening torques T specified in table 11. - Page 14 ® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 14 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Assembly 4.4 Displacements - alignment of the couplings Please note: • The displacement figures specified in tables 13 and 14 are maximum figures which must not arise in parallel. If radial and angular displacements arise at the same time, the permissible displacement values may only be used proportionally (see illustration 14).
- Page 15 ® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 15 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Assembly 4.4 Displacements - alignment of the couplings Table 13: Displacement figures - type HEW and HEW-ZS Size Elastomer Displacement figures hardness 65 HE 80 HE 125 HE...
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Page 16: Start-Up
® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 16 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Start-up Before start-up of the coupling, inspect the tightening of the setscrews in the hubs, the alignment and the distance dimension L, L or L and adjust, if necessary, and also inspect all screw connections for the HEW1... -
Page 17: Breakdowns, Causes And Elimination
® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 17 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Breakdowns, causes and elimination ® The below-mentioned failures can result in a use of the BoWex-ELASTIC coupling other than intended. In addition to the specifications given in these operating/assembly instructions make sure to avoid such failures. The errors listed can only be clues to search for the failures. -
Page 18: Disposal
® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 18 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Breakdowns, causes and elimination Hazard notes for Breakdowns Causes potentially explosive Elimination atmospheres Set the unit out of operation Disassemble the coupling and remove remainders of the elastomer part Inspect coupling components and replace Vibrations of drive... -
Page 19: Enclosure A
® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 19 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Enclosure A Advice and instructions regarding the use in potentially explosive atmospheres Types available: HEW and HEW Compact 9.1 Intended use in potentially explosive atmospheres Conditions of operation in potentially explosive atmospheres... -
Page 20: Inspection Intervals For Couplings In
® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 20 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Enclosure A Advice and instructions regarding the use in potentially explosive atmospheres 9.2 Inspection intervals for couplings in potentially explosive atmospheres Equipment category Inspection intervals The torsional backlash of the coupling (see chapter 9.3 and 9.4) according to directive 2014/34/EU only has to be inspected if a failure of the coupling and... -
Page 21: Inspection Of Torsional Backlash
® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 21 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Enclosure A Advice and instructions regarding the use in potentially explosive atmospheres 9.3 Inspection of torsional backlash To inspect the torsional backlash the power pack which is switched off needs to be secured against accidental switch-on. -
Page 22: Standard Values Of Wear
® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 22 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Enclosure A Advice and instructions regarding the use in potentially explosive atmospheres 9.4 Standard values of wear If the torsional backlash is S [mm] / friction ... - Page 23 ® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 23 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Enclosure A Advice and instructions regarding the use in potentially explosive atmospheres marking of coupling for potentially explosive atmospheres ® The ATEX marking of the BoWex-ELASTIC coupling is applied on the polyamide flange of the elastomer part.
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Page 24: Eu Certificate Of Conformity
® BoWex-ELASTIC KTR-N 40114 EN Operating/Assembly instructions Sheet: 24 of 24 Type HEW, HEW Compact and HEW-ZS Edition: Enclosure A Advice and instructions regarding the use in potentially explosive atmospheres 9.6 EU Certificate of conformity EU Certificate of conformity corresponding to EU directive 2014/34/EU dated 26 February 2014 and to the legal regulations The manufacturer - KTR Systems GmbH, D-48432 Rheine - states that the ®...
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