KTR POLY-NORM Operating/Mounting Instructions

POLY-NORM®
Operating/Assembly instructions
Type BTA, BT, SBA and SB
KTR-N
Sheet:
Edition:
49511 EN
1 of 16
5
POLY-NORM®
Flexible jaw-type couplings
ADR-BTA, AR-BTA,
ADR-BT, AR-BT
ADR-SBA, AR-SBA,
ADR-SB and AR-SB
for finish bored, pilot bored
and unbored couplings
Type ADR-BTA, AR-BTA, ADR-BT and AR-BT
Type ADR-SBA, AR-SBA, ADR-SB, and AR-SB
Please observe protection
note ISO 16016.
Drawn:
Verified:
2016-06-15 Pz/At
2016-12-23 Pz
Replacing:
Replaced by:
KTR-N dated 2011-11-24
POLY-NORM®
Operating/Assembly instructions
Type BTA, BT, SBA and SB
KTR-N
Sheet:
Edition:
49511 EN
2 of 16
5
POLY-NORM® BTA, BT, SBA and SB is a fail-safe, torsionally flexible jaw coupling with brake drum or
brake disk, respectively. It is able to compensate for shaft misalignment, for example caused by
manufacturing inaccuracies, thermal expansion, etc.
Table of contents
1
Technical data
3
2
Advice
7
2.1
2.2
2.3
2.4
2.5
2.6
7
7
7
8
8
8
3
4
General advice
Safety and advice symbols
General hazard warnings
Intended use
Coupling selection
Reference to EC Machinery Directive 2006/42/EC
Storage, transport and packaging
9
3.1
3.2
9
9
Storage
Transport and packaging
Assembly
9
4.1
4.2
4.3
4.4
9
11
12
14
Components of the coupling
Advice for finish bore
Assembly of the coupling
Displacements - alignment of the coupling
5
Disposal
15
6
Maintenance and service
15
7
Spares inventory, customer service addresses
16
8
Advice for the use in hazardous locations according to directive 2014/34/EU
16
Please observe protection
note ISO 16016.
Drawn:
Verified:
2016-06-15 Pz/At
2016-12-23 Pz
Replacing:
Replaced by:
KTR-N dated 2011-11-24
POLY-NORM®
Operating/Assembly instructions
Type BTA, BT, SBA and SB
1
KTR-N
Sheet:
Edition:
49511 EN
3 of 16
5
Technical data
Types ADR-BTA and ADR-SBA
Illustration 1: POLY-NORM® ADR-BTA
Illustration 2: POLY-NORM® ADR-SBA
Table 1: Dimensions of types ADR-BTA and ADR-SBA
Size
38
42
48
55
60
65
75
85
90
100
110
125
140
160
180
Elastomer ring
Torque 1)
[Nm]
TKN
TK max.
90
180
150
300
220
440
300
600
410
820
550
1100
850
1700
1350
2700
2000
4000
2900
5800
3900
7800
5500
11000
7200
14400
10000 20000
13400 26800
Max. finish bore
d2
34
38
44
50
56
60
68
78
85
95
105
115
55 - 135
65 - 155
65 - 175
Dimensions 3) [mm]
General
2)
d3
38
42
48
55
60
65
75
85
90
100
55 - 110
55 - 125
65 - 140
75 - 160
75 - 180
L
l1; l2
s
DH
D1
D2
D3
80
88
101
115
125
135
155
175
185
206
226
256
286
326
366
38
42
48
55
60
65
75
85
90
100
110
125
140
160
180
4
4
5
5
5
5
5
5
5
6
6
6
6
6
6
87
96
106
118
129
140
158
182
200
224
250
280
315
350
400
48
54
62
72
80
86
98
112
122
136
150
168
195
225
255
61
68
77
88
96
104
121
137
146
164
184
208
233
263
298
75
82
92
104
114
122
140
160
174
195
218
245
276
308
349
Cap screws
DIN EN ISO 4762 - 12.9
TA
z
M
[Nm]
5
M6
10
5
M8
25
6
M8
25
6
M8
25
6
M8
25
6
M10
49
6
M10
49
6
M12
86
6
M16
210
6
M16
210
8
M16
210
8
M20
410
8
M20
410
9
M20
410
10
M20
410
1) Standard material Perbunan (NBR) 78 Shore A
2) Bore tolerance H7 with feather keyway DIN 6885 sheet 1 [JS9] and setscrew
3) Dimensions of brake drum (BTA) and brake disk (SBA) see table 3 and 4.
Please observe protection
note ISO 16016.
Drawn:
Verified:
2016-06-15 Pz/At
2016-12-23 Pz
Replacing:
Replaced by:
KTR-N dated 2011-11-24
POLY-NORM®
Operating/Assembly instructions
Type BTA, BT, SBA and SB
1
KTR-N
Sheet:
Edition:
49511 EN
4 of 16
5
Technical data
Types AR-BTA and AR-SBA
Illustration 3: POLY-NORM® AR-BTA
Illustration 4: POLY-NORM® AR-SBA
Table 2: Dimensions of types AR-BTA and AR-SBA
Dimensions [mm]
Elastomer ring
Torque 1) [Nm]
Max. finish bore 2)
General
TKN
TK max.
d1
d3
L
l1; l2
s
DH
38
90
180
40
38
80
38
4
87
42
150
300
45
42
88
42
4
96
48
220
440
50
48
101
48
5
106
55
300
600
60
55
115
55
5
118
60
410
820
65
60
125
60
5
129
65
550
1100
70
65
135
65
5
140
75
850
1700
80
75
155
75
5
158
85
1350
2700
90
85
175
85
5
182
90
2000
4000
95
90
185
90
5
200
100
2900
5800
110
100
206
100
6
224
110
3900
7800
50 - 120
55 - 110
226
110
6
250
125
5500
11000
55 - 140
55 - 125
256
125
6
280
140
7200
14400
65 - 155
65 - 140
286
140
6
315
160
10000
20000
75 - 175
75 - 160
326
160
6
350
180
13400
26800
75 - 200
75 - 180
366
180
6
400
1) Standard material Perbunan (NBR) 78 Shore A
2) Bore tolerance H7 with feather keyway DIN 6885 sheet 1 [JS9] and setscrew
Size
D
62
69
78
90
97
105
123
139
148
165
185
210
235
265
300
D2
61
68
77
88
96
104
121
137
146
164
184
208
233
263
298
D3
75
82
92
104
114
122
140
160
174
195
218
245
276
308
349
Cap screws
DIN EN ISO 4762 - 12.9
z
M
TA [Nm]
5
M6
10
5
M8
25
6
M8
25
6
M8
25
6
M8
25
6
M10
49
6
M10
49
6
M12
86
6
M16
210
6
M16
210
8
M16
210
8
M20
410
8
M20
410
9
M20
410
10
M20
410
Table 3: Dimensions of BTA
Dimension C with
brake drum
ØDB x B
Coupling size
160 x 60
200 x 75
250 x 95
315 x 118
400 x 150
500 x 190
630 x 236
710 x 265
38
4
9
17
42
48
55
60
65
75
85
90
100
110
125
8
16
25
4
20
21
34
7
16
28
3
12
25
0
9
22
2.5
15.5
-3.5
9.5
9
3
18
12
-2
20
140
160
180
13
24
-4
7
-11
Table 4: Dimensions of SBA
Dimension N with
brake disk
ØA x Gs
Coupling size
200 x 12.5
250 x 12.5
315 x 16
400 x 16
500 x 16
630 x 20
710 x 20
800 x 25
900 x 25
38
42
48
13.75
13.75 14.75 18.75
13
17
17
Please observe protection
note ISO 16016.
Drawn:
Verified:
55
60
65
75
85
90
100
22
22
22
26
26
26
29
29
29
35.5
35.5
35.5
41.5
41.5
42
42
48
48
46
46
43.5
2016-06-15 Pz/At
2016-12-23 Pz
Replacing:
Replaced by:
110
125
140
160
180
54
52
52
49.5
49.5
64
62
62
59.5
59.5
69
69
66.5
66.5
86
86
83.5
83.5
104
101.5
101.5
KTR-N dated 2011-11-24
POLY-NORM®
Operating/Assembly instructions
Type BTA, BT, SBA and SB
1
KTR-N
Sheet:
Edition:
49511 EN
5 of 16
5
Technical data
Types ADR-BT and ADR-SB
Illustration 5: POLY-NORM® ADR-BT
Illustration 6: POLY-NORM® ADR-SB
Table 5: Dimensions of types ADR-BT and ADR-SB
Size
55
60
65
75
85
90
100
110
125
140
160
Elastomer ring
Torque 1)
[Nm]
TKN
TK max.
300
600
410
820
550
1100
850
1700
1350
2700
2000
4000
2900
5800
3900
7800
5500
11000
7200
14400
10000
20000
Max. finish bore
d2
50
56
60
68
78
85
95
105
115
55 - 135
65 - 155
85
90
100
110
125
140
160
d3
60
65
70
80
90
100
110
120
140
160
180
LADR-SB
l2
l7
l20
s
DH
D1
D3
DF
249.0
255.0
261.5
276.5
290.0
299.5
354.0
369.0
394.0
416.5
438.5
55
60
65
75
85
90
100
110
125
140
160
24.0
25.0
26.5
31.5
35.0
39.5
43.0
48.0
53.0
60.5
62.5
135
135
135
135
135
135
175
175
180
180
180
5
5
5
5
5
5
6
6
6
6
6
118
129
140
158
182
200
224
250
280
315
350
72
80
86
98
112
122
136
150
168
195
225
103
114
124
141
160
180
200
220
250
278
312
88
97
105
123
139
148
165
185
210
235
265
A
250 - 450
250 - 500
315 - 500
315 - 560
ESB
57.8
59.3
61.3
66.0
Cap screws
DIN EN ISO 4762 - 12.9
M1
z1
TA [Nm]
M8
6
35
M8
6
35
M8
6
35
M10
6
69
Cap screws
DIN EN ISO 4762 - 12.9
M2
z2
TA [Nm]
M8
6
25
M8
6
25
M10
6
49
M10
6
49
355 - 560
68.8
M10
6
69
M12
6
86
400 - 710
400 - 800
450 - 900
450 - 900
500 - 900
560 - 900
73.5
81.5
86.5
91.5
104.5
106.5
M12
M12
M16
M16
M20
M20
6
6
8
8
8
9
120
120
295
295
410
410
M16
M16
M16
M20
M20
M20
6
6
8
8
8
9
210
210
210
410
410
410
Dimensions [mm]
Size
55
60
65
75
Dimensions [mm]
General
2)
LADR-BT
272.0
274.0
287.5
342.0
-
DB
250
315
400
400
-
l6
12
14
18
18
-
EBT
50.8
52.8
61.5
65.5
-
B
95
118
150
150
-
C
110
103
94
134
-
1) Standard material Perbunan (NBR) 78 Shore A
2) Bore tolerance H7 with feather keyway DIN 6885 sheet 1 [JS9] and setscrew
Please observe protection
note ISO 16016.
Drawn:
Verified:
2016-06-15 Pz/At
2016-12-23 Pz
Replacing:
Replaced by:
KTR-N dated 2011-11-24
POLY-NORM®
Operating/Assembly instructions
Type BTA, BT, SBA and SB
1
KTR-N
Sheet:
Edition:
49511 EN
6 of 16
5
Technical data
Types AR-BT and AR-SB
Illustration 7: POLY-NORM® AR-BT
Illustration 8: POLY-NORM® AR-SB
Table 6: Dimensions of types AR-BT and AR-SB
Size
55
60
65
75
85
90
100
110
125
140
160
Elastomer ring
Torque 1)
[Nm]
TKN
TK max.
300
600
410
820
550
1100
850
1700
1350
2700
2000
4000
2900
5800
3900
7800
5500
11000
7200
14400
10000
20000
Max. finish bore
d1
60
65
70
80
90
95
110
50 - 120
55 - 140
65 - 155
75 - 175
85
90
100
110
125
140
160
d3
60
65
70
80
90
100
110
120
140
160
180
LAR-SB
l1
l7
l20
s
DH
D3
DF
249.0
255.0
261.5
276.5
290.0
299.5
354.0
369.0
394.0
416.5
438.5
55
60
65
75
85
90
100
110
125
140
160
24.0
25.0
26.5
31.5
35.0
39.5
43.0
48.0
53.0
60.5
62.5
135
135
135
135
135
135
175
175
180
180
180
5
5
5
5
5
5
6
6
6
6
6
118
129
140
158
182
200
224
250
280
315
350
103
114
124
141
160
180
200
220
250
278
312
88
97
105
123
139
148
165
185
210
235
265
Dimensions [mm]
Size
55
60
65
75
Dimensions [mm]
General
2)
LAR-BT
272.0
274.0
287.5
342.0
-
DB
250
315
400
400
-
l6
12
14
18
18
-
EBT
50.8
52.8
61.5
65.5
-
B
95
118
150
150
-
C
110
103
94
134
-
Cap screws DIN EN ISO 4762 12.9
M1
z1
TA [Nm]
M8
6
35
M8
6
35
M8
6
35
M10
6
69
A
250 - 450
250 - 500
315 - 500
315 - 560
ESB
57.8
59.3
61.3
66.0
355 - 560
68.8
M10
6
69
400 - 710
400 - 800
450 - 900
450 - 900
500 - 900
560 - 900
73.5
81.5
86.5
91.5
104.5
106.5
M12
M12
M16
M16
M20
M20
6
6
8
8
8
9
120
120
295
295
410
410
1) Standard material Perbunan (NBR) 78 Shore A
2) Bore tolerance H7 with feather keyway DIN 6885 sheet 1 [JS9] and setscrew
®
POLY-NORM couplings with attachments that can generate heat, sparks and static
charging (e. g. combinations with brake drums, brake disks, overload systems like torque
limiters, fans etc.) are not permitted for the use in hazardous locations.
A separate analysis must be performed.
Please observe protection
note ISO 16016.
Drawn:
Verified:
2016-06-15 Pz/At
2016-12-23 Pz
Replacing:
Replaced by:
KTR-N dated 2011-11-24
POLY-NORM®
Operating/Assembly instructions
Type BTA, BT, SBA and SB
2
KTR-N
Sheet:
Edition:
49511 EN
7 of 16
5
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!
The operating/assembly instructions are part of your product. Please store them carefully and close to the
coupling. The copyright for these operating/assembly instructions remains with KTR.
2.2 Safety and advice symbols
STOP
!

Warning of potentially explosive
atmospheres
This symbol indicates notes which may contribute to
preventing bodily injuries or serious bodily injuries that
may result in death caused by explosion.
Warning of personal injury
This symbol indicates notes which may contribute to
preventing bodily injuries or 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 indicates notes which may contribute to
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.
2.3 General hazard warnings
STOP
With assembly, operation and maintenance of the coupling it has to be made sure that the
entire drive train is secured against accidental switch-on. You may be seriously hurt by
rotating parts. Please make absolutely sure to read through and observe the following
safety indications.
 All operations on and with the coupling have to be performed taking into account "safety first".
 Please make sure to switch off the power pack before you perform your work on the coupling.
 Secure the power pack against accidental switch-on, e. g. by providing warning signs at the place of switch-on
or removing the fuse for current supply.
 Do not reach into the operating area of the coupling as long as it is in operation.
 Please secure the coupling against accidental contact. Please provide for the necessary protection devices
and covers.
Please observe protection
note ISO 16016.
Drawn:
Verified:
2016-06-15 Pz/At
2016-12-23 Pz
Replacing:
Replaced by:
KTR-N dated 2011-11-24
POLY-NORM®
Operating/Assembly instructions
Type BTA, BT, SBA and SB
2
KTR-N
Sheet:
Edition:
49511 EN
8 of 16
5
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
 had technical training
 are authorized by your company
The coupling may only be used in accordance with the technical data (see chapter 1). Unauthorized modifications
on the coupling design are not admissible. We will not assume liability for any damage that may arise. In the
interest of further development we reserve the right for technical modifications.
®
The POLY-NORM described in here corresponds to the technical status at the time of printing of these
operating/assembly instructions.
2.5 Coupling selection
!
For a permanent and failure-free operation of the coupling it must be selected according to
the selection instructions (according to DIN 740 part 2) for the particular application (see
®
catalogue drive technology "POLY-NORM ").
If the operating conditions (performance, speed, modifications on engine and machine)
change, the coupling selection must be reviewed.
Please make sure that the technical data regarding torque refer to the elastomer part only.
The transmittable torque of the shaft-hub-connection must be reviewed by the customer and
is subject to his responsibility.
For drives subject to torsional vibrations (drives with cyclic stress due to torsional vibrations) it is necessary to
perform a torsional vibration calculation to ensure a reliable selection. Typical drives subject to torsional vibrations
are e. g. drives with diesel engines, piston pumps, piston compressors etc. If requested, KTR will perform the
coupling selection and the torsional vibration calculation.
If the coupling is used in hazardous locations, the size must be selected such that there is a
minimum safety of s = 2.0 between the torque of the machine and the rated torque of the
coupling or shaft-hub-connection.
2.6 Reference to EC Machinery Directive 2006/42/EC
The couplings supplied by KTR should be considered as components, not machines or partly completed
machines according to EC Machinery Directive 2006/42/EC. Consequently KTR does not have to issue a
declaration of incorporation. For details about safe assembly, start-up and safe operation please refer to the
present operating/assembly instructions considering the warnings.
Please observe protection
note ISO 16016.
Drawn:
Verified:
2016-06-15 Pz/At
2016-12-23 Pz
Replacing:
Replaced by:
KTR-N dated 2011-11-24
POLY-NORM®
Operating/Assembly instructions
Type BTA, BT, SBA and SB
3
KTR-N
Sheet:
Edition:
49511 EN
9 of 16
5
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.
The features of the elastomer rings/DZ individual elastomers remain unchanged for up to 5 years with favourable
stock conditions.
The storage rooms must not include any ozone-generating devices like e. g. fluorescent
light sources, mercury-vapour lamps or electrical high-voltage appliances.
Humid storage rooms are not suitable.
Please make sure that condensation is not generated. The best relative air humidity is less
than 65 %.
!
3.2 Transport and packaging
In order to avoid any injuries and any kind of damage please always make use of proper
transport and lifting equipment.
!
The couplings are packed differently each depending on size, number and kind of transport. Unless otherwise
contractually agreed, packaging will follow the in-house packaging specifications of KTR.
4
Assembly
The coupling is generally supplied in individual parts. Before assembly the coupling has to be inspected for
completeness.
4.1 Components of the coupling
Components of POLY-NORM®, type ADR-BTA and ADR-SBA
Component
1Nd
Quantity
1
2
1
3D
4D
1
1
Description
FN hub
Elastomer ring/
1)
DZ individual elastomers
Flange hub
Cam ring
Component
5
6
7N
15N
Quantity
see table
1
1
1
1
Description
Cap screws DIN EN ISO 4762
Setscrew DIN EN ISO 4029
Brake drum
Brake disk
1) Elastomer ring from size 38 to size 125 and DZ individual elastomers from size 140 to size 180
Illustration 9: POLY-NORM® ADR-BTA
Please observe protection
note ISO 16016.
Drawn:
Verified:
Illustration 10: POLY-NORM® ADR-SBA
2016-06-15 Pz/At
2016-12-23 Pz
Replacing:
Replaced by:
KTR-N dated 2011-11-24
POLY-NORM®
Operating/Assembly instructions
Type BTA, BT, SBA and SB
4
KTR-N
Sheet:
Edition:
49511 EN
10 of 16
5
Assembly
4.1 Components of the coupling
Components of POLY-NORM®, type AR-BTA and AR-SBA
Component
1
1Nd
Quantity
1
1
2
1
5
see table
2
Description
Standard hub
FN hub
Elastomer ring/
1)
DZ individual elastomers
Component
6
7N
15N
Quantity
1
1
1
Description
Setscrew DIN EN ISO 4029
Brake drum
Brake disk
Cap screws DIN EN ISO 4762
1) Elastomer ring from size 38 to size 125 and DZ individual elastomers from size 140 to size 180
Illustration 11: POLY-NORM® AR-BTA
Illustration 12: POLY-NORM® AR-SBA
Components of POLY-NORM®, type ADR-BT and ADR-SB
Component
Quantity
2
1
3D
3N
4D
4Nx
1
1
1
1
Description
Elastomer ring/
1)
DZ individual elastomers
Flange hub
Driving flange
Cam ring
Coupling flange
Component
5
6
7Nx
15Nx
Quantity
see table
5
1
1
1
Description
Cap screws DIN EN ISO 4762
Setscrew DIN EN ISO 4029
Brake drum
Brake disk
1) Elastomer ring from size 28 to size 125 and DZ individual elastomers from size 140 to size 180
Illustration 13: POLY-NORM® ADR-BT
Please observe protection
note ISO 16016.
Drawn:
Verified:
Illustration 14: POLY-NORM® ADR-SB
2016-06-15 Pz/At
2016-12-23 Pz
Replacing:
Replaced by:
KTR-N dated 2011-11-24
POLY-NORM®
Operating/Assembly instructions
Type BTA, BT, SBA and SB
4
KTR-N
Sheet:
Edition:
49511 EN
11 of 16
5
Assembly
4.1 Components of the coupling
Components of POLY-NORM®, type AR-BT and AR-SB
Component
1
Quantity
1
2
1
3N
4Nx
1
1
Description
Standard hub
Elastomer ring/
1)
DZ individual elastomers
Driving flange
Coupling flange
Component
5
6
7Nx
15Nx
Quantity
see table
6
1
1
1
Description
Cap screws DIN EN ISO 4762
Setscrew DIN EN ISO 4029
Brake drum
Brake disk
1) Elastomer ring from size 28 to size 125 and DZ individual elastomers from size 140 to size 180
Illustration 15: POLY-NORM® AR-BT
Illustration 16: POLY-NORM® AR-SB
4.2 Advice for finish bore
KTR supplies unbored or pilot bored coupling components and spare parts only upon explicit request of the
customer. These parts are additionally labelled with the symbol .
The customer bears the sole responsibility for all machining processes performed
subsequently on unbored or pilot bored as well as finish machined coupling components
and spare parts. KTR does not assume any warranty claims resulting from insufficient
remachining.
!
Table 7: Recommended fit pairs acc. to DIN 748/1
Bore [mm]
above
up to
50
50
Shaft tolerance
Bore tolerance
k6
m6
H7
(KTR standard)
If a feather keyway is intended to be used in the hub, it should correspond to the tolerance ISO JS9 (KTR
standard) with normal operating conditions or ISO P9 with difficult operating conditions (frequently alternating
torsional direction, shock loads, etc.). The keyway should preferably be located between the cams. With axial
fastening by setscrews the tapping should be located on the keyway.
The transmittable torque of the shaft-hub-connection must be reviewed by the customer and is subject to his
responsibility.
Please observe protection
note ISO 16016.
Drawn:
Verified:
2016-06-15 Pz/At
2016-12-23 Pz
Replacing:
Replaced by:
KTR-N dated 2011-11-24
POLY-NORM®
Operating/Assembly instructions
Type BTA, BT, SBA and SB
4
KTR-N
Sheet:
Edition:
49511 EN
12 of 16
5
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, coupling flanges or flange hubs lightly (approx. 80 °C) allows for an easier
mounting on the shaft.
STOP
!

Touching the heated hubs causes burns.
Please wear safety gloves.
With the assembly please make sure that the dimension s or L, respectively (see table 1 to 6
of the different types) is observed so that the hubs are not in contact with each other during
the operation.
Disregarding this advice may cause damage to the coupling.
Setscrews for fixing of hubs as well as all screw connections have to be locked additionally
against self-loosening, e. g. glueing with Loctite (average strength).
 Please stick the flange hub (component 3D) and the
cam ring (component 4D) of types ADR together
(see illustration 17).
 Hand-tighten the components first. Tighten the
screws at the tightening torques T A specified in table
1 or 5 by means of a suitable torque key.
 Mount the FN hub or the driving and coupling flange
to the brake drum/disk (see illustration 18 and 19).
 Hand-tighten the components first. Afterwards
tighten the screws at the tightening torque T A
mentioned in table 1, 2, 5 or 6.
Illustration 18: Assembly of the brake disk
(type SBA and BTA)
Please observe protection
note ISO 16016.
Drawn:
Verified:
Illustration 17: Assembly of ADR hub
Illustration 19: Assembly of the brake disk
(type SB and BT)
2016-06-15 Pz/At
2016-12-23 Pz
Replacing:
Replaced by:
KTR-N dated 2011-11-24
POLY-NORM®
Operating/Assembly instructions
Type BTA, BT, SBA and SB
4
KTR-N
Sheet:
Edition:
49511 EN
13 of 16
5
Assembly
4.3 Assembly of the coupling
 Mount the standard hub or flange hub and FN hub
or coupling flange with the brake drum/disk on the
shaft of the driving and driven side.
The FN hub or coupling flange has to be installed on
the shaft end on which the bigger mass moment of
inertia becomes operative (see illustration 20).
The maximum braking torque must not exceed the
maximum torque (TK max) of the coupling.
 Lock the standard hub or flange hub and FN hub or
coupling flange by tightening the setscrews
DIN EN ISO 4029 by means of a cup point
(dimension G; for tightening torque see table 8) or
by means of an end plate.
Illustration 20
Table 8: Setscrews DIN EN ISO 4029
Size
G
TA [Nm]
38
M8
10
42
M8
10
48
M8
10
55
M8
10
60
M8
10
65
M10
17
75
M10
17
85
M10
17
90
M12
40
100
M12
40
110
M16
80
125
M16
80
140
M20
140
160
M20
140
180
M20
140
 Insert the elastomer ring or DZ individual elastomers
in the cam area of the standard hub or cam ring
(see illustration 21).
!
To facilitate the assembly of the
elastomer ring when the power packs
are already firmly assembled, we
would recommend to separate the
elastomer ring up to size 65 in one
position between the dampers (see
illustration 22).
From size 75 on we would recommend
to separate the elastomer ring between
every second damper to facilitate the
assembly (see illustration 23).
Illustration 21
 Shift the power packs in axial direction until the
distance dimension s is achieved.
 If the power packs are already firmly assembled,
axial movement of the standard hub or flange hub
and FN hub or coupling flange on the shafts allows
for adjusting the dimension s.
Illustration 22: Mounting aid of
elastomer ring up to size 65
!
Illustration 23: Mounting aid of
elastomer ring from size 75
Having started up the coupling, the tightening torque of the screws and the wear of
elastomer ring has to be inspected at regular maintenance intervals and the elastomer ring
has to be replaced, if necessary.
Please observe protection
note ISO 16016.
Drawn:
Verified:
2016-06-15 Pz/At
2016-12-23 Pz
Replacing:
Replaced by:
KTR-N dated 2011-11-24
POLY-NORM®
Operating/Assembly instructions
Type BTA, BT, SBA and SB
4
KTR-N
Sheet:
Edition:
49511 EN
14 of 16
5
Assembly
4.4 Displacements - alignment of the coupling
®
The POLY-NORM compensates for displacements generated by the shafts to be combined as shown in table 9.
Excessive misalignment may be generated by inaccurate alignment, production tolerances, thermal expansion,
shaft deflection, twisting of machine frames, etc.
In order to ensure a long service life of the coupling, the shaft ends have to be accurately
aligned. Please absolutely observe the displacement figures specified (see table 9). If the
figures are exceeded, the coupling will be damaged.
The more accurate the alignment of the coupling, the longer is its service life.
!
Please note:
 The displacement figures specified in table 9 are maximum figures which must not arise in parallel. If radial
and angular displacement occurs at the same time, the sum of the displacement figures must not exceed Kr
or KW .
 Please inspect with a dial gauge, ruler or feeler gauge whether the permissible displacement figures specified
in table 9 can be observed.
Axial displacements
Radial displacements
Angular displacements
Ladm. = L + Ka [mm]
Kw = smax. - smin. [mm]
Illustration 24: Displacements
Examples of the displacement
combinations specified in illustration 25:
Illustration 25:
Combinations of
displacement
Example 1:
Kr = 30 %
Kw = 70 %
Example 2:
Kr = 60 %
Kw = 40 %
Ktotal = Kr + Kw  100 %
Please observe protection
note ISO 16016.
Drawn:
Verified:
2016-06-15 Pz/At
2016-12-23 Pz
Replacing:
Replaced by:
KTR-N dated 2011-11-24
POLY-NORM®
Operating/Assembly instructions
Type BTA, BT, SBA and SB
4
KTR-N
Sheet:
Edition:
49511 EN
15 of 16
5
Assembly
4.4 Displacements - alignment of the coupling
Table 9: Displacement figures
Size
Max. axial displacement Ka [mm]
Max. radial displacement with
n=1500 rpm Kr [mm]
Max. radial displacement with
n=3000 rpm Kr [mm]
Max. angular displacement (1°) with
n=1500 rpm Kw [mm]
Max. angular displacement (0.5°)
with n=3000 rpm Kw [mm]
Size
Max. axial displacement Ka [mm]
Max. radial displacement with
n=1500 rpm Kr [mm]
Max. radial displacement with
n=3000 rpm Kr [mm]
Max. angular displacement (1°) with
n=1500 rpm Kw [mm]
Max. angular displacement (0.5°)
with n=3000 rpm Kw [mm]
5
38
±1
42
±1
48
±1.5
55
±1.5
60
±1.5
65
±1.5
75
±1.5
85
±1.5
0.25
0.25
0.3
0.3
0.3
0.35
0.4
0.4
0.18
0.18
0.22
0.22
0.22
0.26
0.3
0.3
1.5
1.7
1.8
2.0
2.2
2.4
2.7
3.0
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.5
90
±1.5
100
±3
110
±3
125
±3
140
±3
160
±3
180
±3
0.5
0.5
0.6
0.6
0.6
0.65
0.65
0.33
0.37
0.42
0.48
0.45
0.49
0.49
3.4
3.9
4.3
4.8
5.5
6.1
6.0
1.7
1.9
2.1
2.4
2.7
3.0
3.0
Disposal
In respect of environmental protection we would ask you to dispose of the packaging or products on termination of
their service life in accordance with the legal regulations and standards that apply, respectively.
 Metal
Any metal components have to be cleaned and disposed of by scrap metal.
 Nylon materials
Nylon materials have to be collected and disposed of by a waste disposal company.
6
Maintenance and service
®
POLY-NORM is a low-maintenance coupling. We recommend to perform a visual inspection on the coupling at
least once a year. Please pay special attention to the condition of the elastomer rings or DZ individual
elastomers of the coupling.
 Since the flexible machine bearings of the driving and driven side settle during the course of load, please
inspect the alignment of the coupling and re-align the coupling, if necessary.
 The coupling parts have to be inspected for damages.
 The screw connections have to be inspected visually.
!
Having started up the coupling the tightening torques of the screws have to be inspected
during the usual inspection intervals.
With the use in hazardous locations please observe chapter 10.2 Inspection intervals for
couplings in
hazardous locations (see KTR-N 49510).
Please observe protection
note ISO 16016.
Drawn:
Verified:
2016-06-15 Pz/At
2016-12-23 Pz
Replacing:
Replaced by:
KTR-N dated 2011-11-24
POLY-NORM®
Operating/Assembly instructions
Type BTA, BT, SBA and SB
7
KTR-N
Sheet:
Edition:
49511 EN
16 of 16
5
Spares inventory, customer service addresses
A basic requirement to ensure the operational readiness of the coupling is a stock of the most important spare
parts on site.
Contact addresses of the KTR partners for spare parts and orders can be obtained from the KTR homepage at
www.ktr.com.

8
KTR does not assume any liability or warranty for the use of spare parts and accessories
which are not provided by KTR and for the damages which may incur as a result.
Advice for the use in hazardous locations according to directive 2014/34/EU
®
Before you provide for the POLY-NORM coupling with attachments according to directive 2014/34/EU for
the -applications please contact KTR. In addition to
applications the assembly instructions according to
KTR-N 49510 need to be considered.
Please observe protection
note ISO 16016.
Drawn:
Verified:
2016-06-15 Pz/At
2016-12-23 Pz
Replacing:
Replaced by:
KTR-N dated 2011-11-24
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