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SYNTEX

®

-NC 

Operating/Assembly instructions 

KTR-N 
Sheet: 
Edition: 

46110 EN 
2 of 23 

 

Please observe protection 

note ISO 16016. 

Drawn: 

2017-02-10 Pz/Koh 

Replacing: 

KTR-N dated 2014-08-11 

Verified: 

2017-03-03 Pz 

Replaced by: 

 

 

SYNTEX

®

-NC

 is a torque limiting, backlash-free overload system operating with positive locking 

protecting adjacent components from damage. 
In case of overload on the coupling the torque is considerably reduced to a lower residual torque. 

SYNTEX

®

-NC

 is a not load-holding coupling. 

  In case of overload 

type DK

 (ratchet design) re-engages every 15° with the next following ball 

indentation. 

  In case of overload 

type SK

 (synchronous design) re-engages after a rotation of 360°. 

 
 

 

1

 

Technical data 

3

 

2

 

Advice 

7

 

2.1

 

General advice 

7

 

2.2

 

Safety and advice symbols 

7

 

2.3

 

General hazard warnings 

7

 

2.4

 

Intended use 

8

 

2.5

 

Coupling selection 

8

 

3

 

Storage, transport and packaging 

8

 

3.1

 

Storage 

8

 

3.2

 

Transport and packaging 

8

 

4

 

Assembly 

9

 

4.1

 

Components of the couplings 

9

 

4.2

 

Advice on remachining 

10

 

4.3

 

Assembly (general) 

10

 

4.4

 

Assembly of SYNTEX

®

-NC (hub design 1.0) 

11

 

4.5

 

Assembly of SYNTEX

®

-NC (hub design 6.1) 

11

 

4.6

 

Notes with the use of hollow shafts 

12

 

4.7

 

Assembly of SYNTEX

®

-NC with ROTEX

®

 GS 

12

 

4.8

 

Assembly of SYNTEX

®

-NC with TOOLFLEX

®

 

13

 

5

 

Adjustment of torque 

14

 

5.1

 

Torque setting - SYNTEX

®

-NC 

14

 

5.2

 

Replacement of layering of disk springs 

16

 

5.3

 

Setting diagrammes 

18

 

5.3

 

Setting diagrammes 

19

 

6

 

Assembly of limit switch 

20

 

7

 

Breakdowns, causes and elimination 

21

 

8

 

Disposal 

22

 

9

 

Maintenance and service 

22

 

10

 

Notes for using drive components/attachments 

23

 

11

 

Spares inventory, customer service addresses 

23

 

 
 

 

Table of contents

 

Содержание SYNTEX-NC 15

Страница 1: ...Please observe protection note ISO 16016 Drawn 2017 02 10 Pz Koh Replacing KTR N dated 2014 08 11 Verified 2017 03 03 Pz Replaced by SYNTEX NC Backlash free overload system Type DK ratchet design Type...

Страница 2: ...General advice 7 2 2 Safety and advice symbols 7 2 3 General hazard warnings 7 2 4 Intended use 8 2 5 Coupling selection 8 3 Storage transport and packaging 8 3 1 Storage 8 3 2 Transport and packagin...

Страница 3: ...000 70 140 120 280 220 550 50 90 96 100 113 116 Size Dimensions mm l1 l2 l3 l4 l5 l6 L z x dM H stroke 15 5 0 7 0 9 2 2 4 18 8 28 12 x M3 0 8 25 5 5 11 5 9 1 2 5 23 9 33 8 x M4 1 2 32 6 0 12 5 9 9 2 5...

Страница 4: ...T3 d d1 d2 15 19 3500 2 3 5 3 5 7 7 14 12 15 24 25 24 3000 9 15 20 30 40 65 22 25 32 32 28 3000 25 38 50 75 100 150 30 32 35 42 38 2500 30 65 60 135 120 265 38 42 45 60 48 2000 70 140 120 280 220 550...

Страница 5: ...38 3000 9 15 20 30 40 65 25 38 32 42 3000 25 38 50 75 100 150 32 42 42 45 2500 30 65 60 135 120 265 42 45 60 65 2000 70 140 120 280 220 550 60 65 Size Dimensions mm D4 DH DA DK DK1 l1 L1 E 15 40 40 5...

Страница 6: ...ransmittable torque Nm Surface pressure N mm2 8 8 94 5 10 12 30 92 131 11 14 35 90 5 129 5 12 16 42 88 127 5 14 22 55 85 123 5 15 24 62 74 83 5 121 97 16 69 83 119 96 18 48 104 66 94 19 53 114 65 93 2...

Страница 7: ...o preventing adverse results or conditions Warning of hot surfaces This symbol indicates notes which may contribute to preventing burns with hot surfaces resulting in light to serious bodily injuries...

Страница 8: ...hnical modifications The SYNTEX NC described in here corresponds to the technical status at the time of printing of these operating assembly instructions To review the coupling selection please consul...

Страница 9: ...bearing DIN 625 1 8 1 Circlip 1 Complete set Component assembly 2 Components of SYNTEX NC hub design 6 1 Component Quantity Description Illustration 7 SYNTEX NC hub design 6 1 2 1 1 Clamping ring hub...

Страница 10: ...or pilot bored as well as finish machined coupling components and spare parts KTR does not assume any warranty claims resulting from insufficient remachining We recommend to inspect bores shaft keyway...

Страница 11: ...use of hollow shafts please observe chapter 4 6 before assembly of SYNTEX NC Unscrew the clamping screw component 2 10 in the clamping ring component 2 9 Clean the hub bore and shaft and review for d...

Страница 12: ...of hub shaft N mm 2 d shaft diameter mm CW diW d The strength required is not provided if the hollow shaft bore is bigger than the max internal bore calculated or if the shear stress exceeds the yiel...

Страница 13: ...n dM M3 M4 M4 M5 M6 Tightening torque TA Nm 1 7 2 8 4 1 8 1 14 Please consider our operating assembly instructions KTR N 45510 additionally when using the ROTEX GS coupling Clean the hub bore and shaf...

Страница 14: ...be modified by the customer any more the screw of the setting nut component 1 5 or 2 5 has to be removed and coated with Loctite average strength Afterwards tighten the screw at the tightening torque...

Страница 15: ...ions must be secured against working loose additionally e g conglutinating with Loctite average strength Table 7 Cap screws DIN EN ISO 4762 Size 15 25 32 42 60 Screw size M3 M3 M3 M3 M4 Tightening tor...

Страница 16: ...9 Applies with hub design 6 1 only Illustration 18 Example Assembly of SYNTEX NC hub design 6 1 Disassemble the coupling from the machine and mount it onto a suitable auxiliary shaft Release the cap s...

Страница 17: ...orque The release torque is increased by untightening the setting nut Illustration 20 Spring characteristic Remove the cap screw from the setting nut and paint with Loctite average strength Afterwards...

Страница 18: ...f 23 4 Please observe protection note ISO 16016 Drawn 2017 02 10 Pz Koh Replacing KTR N dated 2014 08 11 Verified 2017 03 03 Pz Replaced by Diagramme 1 SYNTEX NC size 15 Diagramme 2 SYNTEX NC size 25...

Страница 19: ...n 46110 EN 19 of 23 4 Please observe protection note ISO 16016 Drawn 2017 02 10 Pz Koh Replacing KTR N dated 2014 08 11 Verified 2017 03 03 Pz Replaced by Diagramme 4 SYNTEX NC size 42 Diagramme 5 SYN...

Страница 20: ...5 42 16 0 11 2 90 1 5 60 21 0 11 8 116 1 8 Function The axial stroke of the shifting ring generated with overload may activate a mechanical limit switch or an inductive sensor As a result a control s...

Страница 21: ...omponents to be assembled is not coordinated with one another Tightening torques have been fallen below exceeded Components are mixed up by mistake assembled incorrectly No original KTR components pur...

Страница 22: ...ommend to perform a visual inspection on the coupling at least once a year Please pay special attention to the condition alignment and screw connection of the coupling and the condition of the spider...

Страница 23: ...the torque The pitch line of radial forces Fr arising has to lead through the center of the bearing see illustration 22 The radial and axial forces passed into the coupling bearing must not exceed th...

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