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BoWex-ELASTIC

®

 

Operating/Assembly instructions 

Type HEW, HEW Compact and HEW-ZS 

KTR-N 
Sheet: 
Edition: 

40114 EN 
5 of 24 

 

Please observe protection 

note ISO 16016. 

Drawn: 

2019-11-06 Pz 

Replacing: 

KTR-N dated 2019-08-13 

Verified: 

2019-11-06 Pz 

Replaced by: 

 

 

 

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 

Size 

Max. finish bore 

[mm] 

Dimensions [mm] 

Weight 

with pilot 

bored 

coupling 

[kg] 

Mass moment of 

inertia with pilot 

bored coupling 

[kgm

2

d

1

 

d

2

 

D

1

 

D

2

 

D

3

 

D

4

 

l

1

 

l

2

 

l

3

 

l

4

 

L

1

 

J

1

 

J

2

 

42-130 

42 

42 

90 

65 

78 

131 

42 

42 

45 

37  34  118 

98 

M6 

3.4 

0.003 

0.001 

65-180 

65 

65 

130 

96 

110 

180 

60 

55 

55 

47  30  145  122 

M10 

9.0 

0.014 

0.006 

80-225 

75 

80 

145  124 

120 

225 

70 

90 

77 

51  50  210  158  10  M12 

18.9 

0.035 

0.029 

100-305 

100 

100 

200  152 

175 

305 

90 

110 

90 

73  58  258  187  16  M12 

40.2 

0.152 

0.087 

125-365 

125 

125 

235  192 

205 

365  120  140  150  90  68  328  240  12  M16 

75.0 

0.36 

0.26 

 
 
 

Table 4: Technical data - HEW Compact

 

Size 

Elastomer 

hardness 
[Shore A] 

Torque 

Perm. 

operating 

speed n

max.

 

[rpm] 

Perm. damping 

power P

KW

 [W] 

C

dyn.

 bei 

60 °C 

[Nm/rad] 

Relative 

damping 

 

Resonance 

factor 

V

R

 

 2 

 

/

 

Radial 

spring 

stiffness C

r

 

[N/mm] 

T

KN

 

[Nm] 

T

K max.

 

[Nm] 

T

KW

 

[Nm] 

60 
°C 

80 
°C 

90 
°C 

42 

T50 

200 

400 

50 

7300 

24 

12 

780 

0.6 

10.5 

178 

T65 

270 

540 

68 

2400 

0.8 

7.9 

600 

T70 

320 

640 

80 

2900 

1.2 

5.2 

710 

65 

T50 

550 

1100 

138 

5500 

48 

24 

12 

2850 

0.6 

10.5 

379 

T65 

740 

1500 

185 

7800 

0.8 

7.9 

955 

T70 

860 

1700 

215 

9500 

1.2 

5.2 

1240 

80 

T50 

1250 

2500 

313 

4400 

96 

48 

24 

5000 

0.6 

10.5 

420 

T65 

1600 

3200 

400 

13000 

0.8 

7.9 

1090 

T70 

1900 

3800 

475 

16500 

1.2 

5.2 

1450 

100 

T50 

2750 

5500 

688 

3200 

156 

78 

39 

17000 

0.6 

10.5 

760 

T65 

3900 

7800 

975 

44000 

0.8 

7.9 

1850 

T70 

4500 

9000 

1125 

50000 

1.2 

5.2 

2250 

125 

T40 

5500 

11000 

1375 

2900 

192 

96 

48 

15000 

0.6 

10.5 

476 

T50 

7500 

15000 

1875 

25000 

0.8 

7.9 

750 

T65 

8400 

16800 

2100 

62000 

1.2 

5.2 

1930 

 
 
 
 
 
 

Technical data 

Summary of Contents for BoWex-ELASTIC HEW Compact

Page 1: ...f 24 9 Please observe protection note ISO 16016 Drawn 2019 11 06 Pz Replacing KTR N dated 2019 08 13 Verified 2019 11 06 Pz Replaced by BoWex ELASTIC highly flexible flange coupling types HEW HEW Comp...

Page 2: ...tended use 8 2 5 Coupling selection 8 2 6 Reference to EC Machinery Directive 2006 42 EC 8 3 Storage transport and packaging 9 3 1 Storage 9 3 2 Transport and packaging 9 4 Assembly 9 4 1 Components o...

Page 3: ...125 192 438 15 16 M12 416 478 175 140 99 G 125 125 125 192 489 8 M12 440 530 175 140 95 150 160 160 225 542 9 6 M16 470 585 225 150 100 G 150 160 160 225 542 9 6 M16 504 585 225 150 108 200 180 200 25...

Page 4: ...90 125 40 T40 3000 9000 50 T50 150 450 50 T50 4000 12000 65 T65 180 540 65 T65 5000 15000 48 40 T40 200 600 G 125 40 T40 4000 12000 50 T50 230 690 50 T50 5200 16000 65 T65 280 840 65 T65 6500 20000 65...

Page 5: ...90 110 90 73 58 258 187 16 M12 40 2 0 152 0 087 125 365 125 125 235 192 205 365 120 140 150 90 68 328 240 12 M16 75 0 0 36 0 26 Table 4 Technical data HEW Compact Size Elastomer hardness Shore A Torq...

Page 6: ...2 100 110 90 438 15 8 M12 350 478 158 180 135 80 80 16 125 125 120 438 15 16 M12 416 478 175 225 180 80 99 18 G 125 125 120 489 8 M12 440 530 175 225 180 80 95 15 Size Dimensions mm Spacer HEW ZS LZ m...

Page 7: ...r serious bodily injuries that may result in death Warning of product damages This symbol indicates notes which may contribute to preventing material or machine damage General advice This symbol indic...

Page 8: ...ing to DIN 740 part 2 for the particular application see catalogue drive technology BoWex ELASTIC If the operating conditions performance speed modifications on engine and machine change the coupling...

Page 9: ...tive air humidity is less than 65 In order to avoid any injuries and any kind of damage always make use of proper transport and lifting equipment The couplings are packed differently each depending on...

Page 10: ...IC type HEW Compact Components of BoWex ELASTIC type HEW ZS Component Number Description 1 1 Elastomer part 2 1 Hub spec 3 1 Intermediate flange hub 4 1 Coupling flange 4 1 1 Additional flange 4 2 1 F...

Page 11: ...machining KTR supplies unbored or pilot bored coupling components and spare parts only upon explicit request of the customer These parts are additionally marked with the symbol Reference to unbored re...

Page 12: ...well as all screw connections must be secured against working loose additionally e g conglutinating with Loctite average strength Valid for type HEW ZS only size 100 to G 125 Screw the flange hub comp...

Page 13: ...Nm 14 69 120 120 250 If used in potentially explosive atmospheres the setscrews to fasten the hubs as well as all screw connections must be secured against working loose additionally e g conglutinatin...

Page 14: ...general standard figures that apply up to an ambient temperature of 80 C ensuring a sufficient service life of the BoWex ELASTIC coupling Displacement figures between the speeds specified have to be i...

Page 15: ...75 0 75 0 75 0 75 0 75 0 75 0 75 0 75 65 2 3 0 5 0 5 0 5 0 5 0 5 0 5 0 5 0 5 Perm angular displacement with n 3000 rpm Kw degree 40 3 0 5 0 5 0 5 0 5 0 5 0 5 0 5 0 5 50 3 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0...

Page 16: ...er may only be taken off with standstill of the unit For covers with unlocked openings on the top face no light metals must be used if the couplings are used as equipment of equipment group ll if poss...

Page 17: ...r potentially explosive atmospheres Elimination Different operating noise and or vibrations occuring Micro friction by faulty alignment on the spline of the elastomer part Danger of ignition due to ho...

Page 18: ...nce by ozone too high ambient temperature etc causing a physical change of the elastomer part none 1 Set the unit out of operation 2 Disassemble the coupling and remove remainders of the elastomer par...

Page 19: ...s explosion group IIIA and IIIB are included in IIIC Temperature class Temperature class Ambient or operating temperature Ta 1 Max surface temperature 2 T4 30 C to 80 C 115 C T5 30 C to 60 C 95 C T6 3...

Page 20: ...be performed after 2 000 operating hours or at the latest after 18 months provided that the operating parameters remain the same If you note significant wear with the initial inspection so that it wo...

Page 21: ...nst accidental switch on Turn the hub opposite the direction of drive Here the elastomer part must not be axially displaced from its position of wear Mark elastomer part and hub see Illustration 16 Tu...

Page 22: ...void dangers with the use in potentially explosive atmospheres the shaft ends must be accurately aligned Please absolutely observe the displacement figures specified see tables 13 and 14 If the figure...

Page 23: ...arking is only made if not possible differently for reason of space or functioning BoWex ELASTIC Year Deviating marking applies until 31st October 2019 Short marking II 2GD c IIB T X Complete marking...

Page 24: ...ith the general safety and health requirements according to enclosure II of directive 2014 34 EU The coupling described in here complies with the specifications of the following standards rules DIN EN...

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