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A.5

Flexible elements (12)

A.5.1

Use and storage of flexible elements (12)

Note the following concerning the use and storage of the flexible elements (12):

• Storage possible for up to 5 years

• Protect against direct sunlight, artificial light with a high UV‐content and extreme 

temperatures

• Avoid contact with aggressive media

• Only replace complete sets

• Only use flexible elements of the same type and age

A.5.2

N-EUPEX flexible elements (12)

Table A-6

N‑EUPEX flexible elements

Material

Hardness

Comment

Marking

Ambient tempera‐

ture

Approved for

explosion group

NBR

80 Shore A

Standard

Black flexible elements 

with

blue stripe

-30 °C to +80 °C

IIA, IIB, IIC

NBR

65 Shore A

Special, soft,

shifting of the

resonant speed,

rated torque

reduced

Black flexible elements

with

green stripe

-30 °C to +80 °C

IIA, IIB, IIC

NBR

90 Shore A

Special, hard,

shifting of the

resonant speed

Black flexible elements

with

magenta stripe

-30 °C to +80 °C

IIA, IIB, IIC

NBR

80 Shore A

Special,

increased (low-backlash)

Black flexible elements

with

yellow stripe

-30 °C to +80 °C

IIA, IIB, IIC

NBR

65 Shore A

Special,

increased (low-backlash)

shifting of the

resonant speed,

rated torque

reduced

Black flexible elements

with

white stripe

-30 °C to +80 °C

IIA, IIB, IIC

NR

80 Shore A

Special,

low-temperature use

Black flexible elements

with

orange

stripe

-50 °C to +50 °C

IIA, IIB, IIC

Technical data

A.5 Flexible elements (12)

Assembly and operating instructions  3103en
Edition 10/2020

59

Содержание COUPLINGS N-EUPEX 3103en

Страница 1: ...FLENDER COUPLINGS N EUPEX Assembly and operating instructions 3103en Edition 10 2020 O P...

Страница 2: ...16 11 2020 12 40 V11 00...

Страница 3: ...ating instructions O P Edition 10 2020 Introduction 1 Safety instructions 2 Description 3 Application planning 4 Assembly 5 Commissioning 6 Operation 7 Servicing 8 Service and support 9 Disposal 10 Sp...

Страница 4: ...are those who based on their training and experience are capable of identifying risks and avoiding potential hazards when working with these products systems Proper use of Flender products Note the fo...

Страница 5: ...21 5 1 1 Milling the finished bore 22 5 1 2 Milling the parallel keyway 23 5 1 3 Machining an axial locking mechanism 24 5 1 4 Balancing the coupling 26 5 2 Assembling the coupling 28 5 3 Aligning the...

Страница 6: ...ure 58 A 5 Flexible elements 12 59 A 5 1 Use and storage of flexible elements 12 59 A 5 2 N EUPEX flexible elements 12 59 B Quality documents 61 B 1 EU declaration of conformity 61 Tables Table 2 1 Ge...

Страница 7: ...lexible elements 59 Figures Figure 3 1 Type O 17 Figure 3 2 Type P 18 Figure 4 1 Transport symbols 19 Figure 5 1 Tolerances for finished bore 23 Figure 5 2 Diameter and axial position of the tapped ho...

Страница 8: ...Table of contents Assembly and operating instructions 3103en 8 Edition 10 2020...

Страница 9: ...ions 1 Procedural instructions are shown as a numbered list Always perform the steps in the order given Lists are formatted as bulleted lists The dash is used for lists at the second level 1 Numbers i...

Страница 10: ...Introduction 1 3 Copyright Assembly and operating instructions 3103en 10 Edition 10 2020...

Страница 11: ...or operating failures that are due to non adherence to these instructions State of the art The coupling described here has been designed in consideration of the latest findings for demanding technical...

Страница 12: ...relevant work safety and environmental protection regulations must be complied with at all times during transport assembly installation dismantling operation and maintenance of the coupling Only quali...

Страница 13: ...re parts may possibly change the design characteristics of the coupling and thus impact active and or passive safety Flender will accept no liability or warranty whatsoever for damage occurring as a r...

Страница 14: ...ances G zone 1 and 2 Group of substances D zone 21 and 22 Explosion group IIA IIB and IIC Explosion group IIA and IIB when electrically insulating flexible elements are used Conditions of use for prod...

Страница 15: ...No build up of electrostatic charges is to be expected with a paint layer thickness of less than 200 m The supplier of the assembly is responsible for ensuring that the brake system and all of its co...

Страница 16: ...due to hot surfaces Hot coupling parts can lead to an explosion in potentially explosive atmospheres Wear suitable protective equipment gloves safety goggles Ensure that the area is not at risk of exp...

Страница 17: ...assembly and operation of an N EUPEX coupling arranged horizontally with a shaft hub connection made by a cylindrical or conical bore with parallel key Please consult Flender if you want to use a dif...

Страница 18: ...ng part 3 10 Coupling part 10 12 Flexible element 13 Cylinder head screw 23 Cylinder head screw 24 Cylindrical pin 32 Coupling part 32 Figure 3 2 Type P Description Assembly and operating instructions...

Страница 19: ...transport means Only use lifting gear and load suspension devices with sufficient load bearing capacity for transport Please observe the symbols applied on the packaging If not specifically contractua...

Страница 20: ...ies of the coupling and or coupling damage Note the handling instructions for long term storage 1 You can find the required type of preservative agent in the following table types of preservative agen...

Страница 21: ...Only use undamaged components for the assembly of the coupling Follow the assembly sequence Please ensure that there is sufficient space at the assembly location and that the location is tidy and clea...

Страница 22: ...key connection Description Push fit Press fit Interference fit Not suitable for reversing operation Suitable for reversing operation Shaft tolerance j6 h6 h6 k6 m6 n6 h6 Bore tolerance H7 J7 K7 H7 H7...

Страница 23: ...keyway The table below states the required position for the parallel keyway in the coupling parts depending on the coupling type Table 5 2 Position of the parallel keyway Coupling part Position of the...

Страница 24: ...mill a parallel keyway that does not correspond to DIN 6885 1 please consult Flender 5 1 3 Machining an axial locking mechanism The coupling part is secured by a set screw or an end plate to prevent a...

Страница 25: ...g on the size of the coupling Table 5 3 Diameter and axial position of the tapped hole tightening torque Size d1 e3 mm e4 mm e6 mm Tightening torque TA Nm 125 M8 10 20 12 8 140 M8 10 22 12 8 160 M10 1...

Страница 26: ...set screw is determined by the bore made The set screw should fill out the tapped hole as much as possible and must not protrude beyond the hub 5 1 4 Balancing the coupling Notes on balancing the coup...

Страница 27: ...e element webs pockets and to the cams and the outer circumference Part 32 for N EUPEX coupling Part 2 for N EUPEX coupling Part 4 for N EUPEX coupling Balancing bore Figure 5 3 Position of the balanc...

Страница 28: ...mage to the shaft end the coupling parts and or the parallel key Note the following handling instruction Procedure 1 Unscrew the set screw out of coupling parts 32 32 and 2 2 or 4 4 until it is no lon...

Страница 29: ...must not protrude or be set back from the inner side of the hub 7 Tighten up the set screw or the screw to attach the end plate to the specified tightening torque TA for the set screw please see sect...

Страница 30: ...t Ka Angular misalignment Kw Radial misalignment Kr Figure 5 5 Possible misalignment 5 3 2 1 Axial misalignment Set the axial misalignment Ka to a value within the permissible tolerance range of dimen...

Страница 31: ...s Page 53 S2perm see section Shaft misalignment values during operation Page 57 5 3 2 3 Radial misalignment Determine the value Kr The determined value Kr may not exceed the value Krperm You can find...

Страница 32: ...Assembly 5 3 Aligning the coupling Assembly and operating instructions 3103en 32 Edition 10 2020...

Страница 33: ...st and metal parts can be flung out There is a risk of fatal injury from flying fragments Bursting of the coupling can lead to an explosion in potentially explosive atmospheres Carry out the tests pri...

Страница 34: ...Commissioning Assembly and operating instructions 3103en 34 Edition 10 2020...

Страница 35: ...fatal injury from flying fragments Bursting of the coupling can lead to an explosion in potentially explosive atmospheres Switch off the unit at once if any malfunctions occur Note during the mainten...

Страница 36: ...ysical injury Injury from rotating parts Only carry out work on the coupling when it is not moving Secure the drive unit against being operated accidentally Attach a notice to the switch stating clear...

Страница 37: ...ec tions Maintenance related causes Page 39 and Specific installation rela ted and maintenance related causes Page 39 Please observe all the stipulations and requirements given in chapter Servicing Pa...

Страница 38: ...not taken into consideration Dynamic load conditions not taken into consideration Coupling and the machine and or drive train form a critical torsional axial or bending vibration system Assembly rela...

Страница 39: ...ts Flexible elements 12 of different types or age are used Flexible elements 12 not replaced as sets 7 2 3 Correcting faults 7 2 3 1 Replacing wearing parts Flexible elements 12 are subject to wear an...

Страница 40: ...he locking elements that prevent axial movements and correct these as required 4 Realign the coupling Operation 7 2 Faults causes and rectification Assembly and operating instructions 3103en 40 Editio...

Страница 41: ...elastomer components WARNING Physical injury Injury from rotating parts Only carry out work on the coupling when it is not moving Secure the drive unit against being operated accidentally Attach a not...

Страница 42: ...le torsional backlash SV mm 8 0 8 0 8 0 8 0 8 5 9 0 10 0 11 5 10 5 11 5 8 3 Replacing wearing parts DANGER Danger due to bursting of the coupling If you do not observe the information stipulated here...

Страница 43: ...3 Install the new flexible elements 12 Please observe the information in section Use and storage of flexible elements 12 Page 59 When reinstalling the coupling parts please observe the information in...

Страница 44: ...the flexible elements 12 if necessary 6 Pull off coupling parts 32 32 and 2 2 or 4 4 Use suitable lifting gear when doing this 7 Check the hub bore and the shaft for damage and protect them against co...

Страница 45: ...n or in the case of technical queries please contact our factory or one of our customer service addresses Flender GmbH Schlavenhorst 100 46395 Bocholt Germany Tel 49 0 2871 92 0 Fax 49 0 2871 92 2596...

Страница 46: ...Service and support Assembly and operating instructions 3103en 46 Edition 10 2020...

Страница 47: ...Disposal 10 Disposal of the coupling Dispose of the coupling parts according to applicable national regulations or recycle them Assembly and operating instructions 3103en Edition 10 2020 47...

Страница 48: ...Disposal Assembly and operating instructions 3103en 48 Edition 10 2020...

Страница 49: ...esult of the use of non approved spare parts The same applies to any accessories that were not supplied by Flender You can find the available spare parts for the coupling described here at Spare parts...

Страница 50: ...drawing and spare parts list 11 2 1 Type O Figure 11 1 Spare parts drawing for type O Table 11 1 Spare parts list for type O Part number Designation 4 Coupling part 4 10 Coupling part 10 12 Flexible...

Страница 51: ...number Designation 2 Coupling part 2 3 Coupling part 3 10 Coupling part 10 12 Flexible element 13 Cylinder head screw 23 Cylinder head screw 24 Cylindrical pin 32 Coupling part 32 Spare parts 11 2 Sp...

Страница 52: ...Spare parts 11 2 Spare parts drawing and spare parts list Assembly and operating instructions 3103en 52 Edition 10 2020...

Страница 53: ...eometry data and weights In this section you can find dimension drawings and technical data for N EUPEX couplings of the following types Type O Page 54 Type P Page 56 Assembly and operating instructio...

Страница 54: ...140 3 800 60 65 140 128 100 250 95 55 20 2 4 33 35 22 160 3 800 70 70 160 128 108 250 95 60 20 2 6 38 42 24 180 3 800 3 000 80 80 80 180 128 128 125 250 315 95 118 70 20 2 6 39 43 41 45 28 35 200 3 0...

Страница 55: ...0 100 18 3 8 60 65 73 108 280 2 400 1 900 1 500 100 110 110 110 280 160 175 175 180 400 500 630 150 190 236 110 20 3 8 63 68 65 70 65 70 82 115 168 1 Maximum bore for parallel keyway in accordance wit...

Страница 56: ...28 43 2 4 33 35 21 160 3 800 70 70 160 128 95 250 95 60 28 47 2 6 38 42 21 180 3 800 3 000 80 80 80 180 128 128 108 250 315 95 118 70 30 50 2 6 39 43 41 45 27 34 200 3 000 2 400 1 900 80 90 110 90 20...

Страница 57: ...isalignment values S2perm and Krperm The values are rounded and specified in mm Table A 3 Maximum permissible shaft misalignment values during operation Size Coupling speed in rpm 250 500 750 1 000 1...

Страница 58: ...the specified tightening torque in accordance with the following table Table A 5 Tightening procedure Scatter of the torque ap plied at the tool Tightening procedure As a rule the tightening procedure...

Страница 59: ...blue stripe 30 C to 80 C IIA IIB IIC NBR 65 Shore A Special soft shifting of the resonant speed rated torque reduced Black flexible elements with green stripe 30 C to 80 C IIA IIB IIC NBR 90 Shore A...

Страница 60: ...re A Special high temperature use Black flexible elements with red stripe 10 C to 100 C Not approved NBR 80 Shore A Special electrically insulating Green flexible elements 30 C to 80 C IIA IIB Technic...

Страница 61: ...IJDI UIF EFDMBSBUJPO PG DPOGPSNJUZ JT CBTFE 5IF QSPEVDU EFTDSJCFE BCPWF BOE SFGFSSFE UP JO UIF EFDMBSBUJPO DPNQMJFT XJUI UIF SFMFWBOU MFHBM IBSNPOJTBUJPO SFHVMBUJPOT PG UIF 6OJPO JSFDUJWF 6 0 DJBM PVS...

Страница 62: ...Quality documents B 1 EU declaration of conformity Assembly and operating instructions 3103en 62 Edition 10 2020...

Страница 63: ......

Страница 64: ...FLENDER COUPLINGS N EUPEX Assembly and operating instructions 3103en Edition 10 2020 Flender GmbH Alfred Flender Stra e 77 46395 Bocholt GERMANY...

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