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SYNTEX

®

-NC 

Operating/Assembly instructions 

KTR-N 
Sheet: 
Edition: 

46110 EN 
20 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: 

 

 

 
If the torque set is exceeded, the coupling disengages with the shifting ring being moved back axially by 
dimension H (see table 10). 
The sensor or limit switch has to be mounted such that signal recording is ensured in this shifting range. 
 
The sensor or limit switch has to be aligned versus SYNTEX

®

-NC such that signal recording of the 

disengagement process is ensured. 
 
 

 

Illustration 21: Mechanical limit switch 

 

Table 10: Position of limit switch 

Size 

Dimensions [mm] 

l

2

 

l

3

 

ØD

A

 

H=stroke 

15 

7.0 

9.2 

42 

0.8 

25 

11.5 

9.1 

61 

1.2 

32 

12.5 

9.9 

74 

1.5 

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 signal is generated which can be evaluated for disengaging the drive. 
 
 

Assembly 

The sensor needs to be mounted in a solid device to ensure a smooth operation. The sensor should be protected 
from dirt and potential mechanical faults. 
 
 

 

 

We recommend using a limit switch! 
Please absolutely observe the operation of the limit switch before the machine is supplied. 
Please also observe the operating instructions for the sensor or limit switch, respectively. 
The axial stroke of the shifting ring must not be blocked by any other components. 
As soon as the limit switch or sensor is activated (overload: release of overload coupling) 
the drive should immediately be stopped. 
With higher speeds respective braking devices may be necessary. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Assembly of limit switch 

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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