Mönninghoff ServoFlex 318 Product guide

ServoFlex - torsionally
stiffcoupling
Type318

www.moenninghoff.de/en
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Helps you find a customer-specific power
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smooth handling of your orders and
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preserve the high value of your machine
and to secure its availability.
Driven by excellence

2018-12-17 1
Operating and Assembly Instructions
ServoFlex
Type 318.XX
oc-I : T24.0092_e
as off 12/2018
Read these operating
instructions before starting
any kind of work!

Type 318.xx
2018-12-17 2
Content
1. General 4
1.1. Information on these instructions 4
1.2. Explanation of sym ols 4
1.3. Limitation of lia ility 6
1.4. Copyright protection 6
1.5. Spare parts 6
1.6. Guarantee conditions 7
1.7. Customer service 7
1.8. Declaration of Incorporation 8
2. Safety 9
2.1. General 9
2.2. Staff requirements 9
2.2.1. Qualifications 9
2.2.2. Unauthorized persons 10
2.3. Intended use 11
2.4. Technical modifications 11
2.5. Personal protective equipment 11
2.6. Specific dangers 12
2.7. Signs 13
3. Technical Specifications 13
3.1. Dimensions 13
3.2. Technical Specifications 15
3.3. Connection dimensions, connection fixings 18
4. Setup and method of function 19
4.1. Structure and designs 19
4.2. Description 20
4.2.1. Features 20
4.3. Functional method 20
5. Transport, packaging and storage 21
5.1. Safety instructions for transport 21
5.2. Transport inspection 21
5.3. Packaging 22
5.4. Removing from the packaging 22
5.5. Storing the packaged items 22
6. Assembly 24
6.1. Safety 24
6.2. Preparations 25

Type 318.xx
2018-12-17 3
6.2.1. Instructions on assem ly 25
6.2.2. Assem ling the clutch 26
6.2.3. Assem ling clutch with flanged hu (feather key connection) 28
6.2.4. Assem ling the clutch with the clamping hu 29
6.2.5. Assem ling the clutch with clamping hu sets 31
6.2.6. Assem le the clutch and the connecting plate (design 4) 33
6.2.7. Supporting the dou le flange 33
6.2.8. Assem ling the clutch vertically 34
7. Startup 38
8. Using in potentially explosive areas 39
8.1. Construction of the clutch size 39
8.2. Control events 39
8.3. Startup 39
8.4. Contact protection 40
8.5. Construction of the clamping sets, clamping hu sets and clamping hu s 41
8.6. Permissi le temperatures 41
8.7. EC Declaration of Conformity 42
9. Operation 43
9.1. General 43
9.2. Recommendations for operation 43
10. Faults 44
10.1. Safety 44
10.2. Malfunctions 46
11. Maintenance 46
11.1. Maintenance intervals 46
11.2. Checking for wear 46
12. ismantling 48
12.1. Safety 48
12.2. Dismantling 48
12.3. Disposal 48
13. Applicable standards, guidelines and regulations 49

Type 318.xx
2018-12-17 4
1. General
1.1. Information a out these instructions
These instructions allow safe and efficient handling of the type 318.XX, ServoFlex clutches
hereinafter referred to as clutch.
These instructions are part of the clutch system and must e kept in the immediate vicinity
of the location, where the clutch is used and e accessi le to staff at all times. Staff must
read and understand these instructions carefully efore eginning any work. Compliance with
all safety instructions stated in these instructions constitute the asic requirement for safe
working practices.
In addition, local accident prevention regulations and general safety rules apply to the range
of application of the com ination.
1.2. Explanation of sym ols
Warnings
All warnings in these operating instructions will e indicated y a warning sym ol.
The following warning sym ols are used throughout these operating instructions:
Symbol Meaning
General warning
Danger of crushing!
Danger of environmental pollution
Danger of explosion
Special instructions when using the
device in explosion-proof areas.
General instructions and useful
suggestions on handling
Safety precautions
The safety instructions are indicated in these instructions y sym ols. The safety instructions
are introduced y signal words that are intended to indicate the extent of the danger.

Type 318.xx
2018-12-17 5
The warning sym ol also indicates the type of danger.
The following warnings are used throughout these instructions:
WARNING
Risk of injury!
Consequences upon non-o servance of the
instructions...
► In order to avoid these…
A warning of this category indicates a potentially dangerous situation.
If the dangerous situation is not avoided, it may lead to serious injury or even death.
Follow the instructions in this warning to avoid the danger of serious injury to persons or
even death.
CAUTION
Injury to persons due to...!
Consequences upon non-o servance of the
instructions...
► In order to avoid these…
A warning of this category indicates a potentially dangerous situation.
If the dangerous situation is not avoided, it may lead to light or minor injuries.
Follow the instructions in this warning to avoid the danger of serious injury to persons.
ATTENTION
amage to property due to...
Consequences upon non-o servance of the
instructions...
► In order to avoid these…
A warning of this category indicates potential danger to property.
If the situation is not avoided, it may lead to damage to property.
Follow the instructions in this warning to avoid damage to property.
Tips and recommendations
NOTE
Descriptive text…
A descriptive text contains additional information that is important for further processing or
for simplifying the procedure step explained.

Type 318.xx
2018-12-17 6
1.3. Limitation of lia ility
All specifications and notes in these instructions were compiled according to all standards
and regulations considering the current state of technology and many years of knowledge
and experience.
The manufacturer assumes no lia ility for damages resulting from:
 upon non-o servance of the instructions
 Use for the non-intended purpose
 Deployment of insufficiently qualified staff
 Unauthorized modifications
 Technical modifications
 Use of non-approved spare parts
The commitment as agreed in the delivery contract, the general terms and conditions, the
delivery conditions specified y the manufacturer as well as the applica le statutory
regulations apply.
We reserve the right to make technical modifications resulting from improvements and
further development.
1.4. Copyright protection
This documentation is protected y copyright.
The contents and instructions are for internal use only and may not e transferred to a third
party, reproduced in any form or manner, either in whole or in part, utilized or
communicated without the written permission of the manufacturer.
Infringement o ligates damage compensation. We reserve the right to impose further
claims.
1.5. Spare parts
WARNING
anger of injury due to wrong or faulty
spare parts!
Incorrect or defective replacement parts
can lead to injury, damage, malfunction or
total reakdown.
► Use original spare parts from the
manufacturer only.

Type 318.xx
2018-12-17 7
NOTE
The use of spare parts other than original
Mönninghoff spare parts or use of spare
parts not purchased directly from
Maschinenfa rik Mönninghoff Gm H & Co.
KG invalidates all commitments of
Maschinenfa rik Mönninghoff Gm H & Co.
KG or its dealers such as guarantee,
service contracts etc. without prior notice.
► O tain spare parts from authorized
dealers or directly from the
manufacturer. See page 7 for the
address.
1.6. Guarantee conditions
The guarantee conditions are included in the general terms and conditions of the
manufacturer.
1.7. Customer service
Technical information is availa le from our customer service department
Maschinenfabrik Mönninghoff GmbH & Co. KG
Bessemerstraße 100 Postfach 101749
D – 44793 Bochum D – 44717 Bochum
Tel.: [phone]
E-Mail: [e-mail]
Internet: www.moenninghoff.de
Moreover, our employees are always interested in new information and experiences, which
result from the use of our products or can lead to the improvement of our products.

Type 318.xx
2018-12-17 8
1.8. Declaration of Incorporation
eclaration of Incorporation
according to EC Machine irective 2006/42/EC,
Annex II B
Name of the manufacturer: Maschinenfabrik Mönninghoff GmbH & Co. KG
Address of the manufacturer: Maschinenfabrik Mönninghoff GmbH & Co. KG
Bessemerstrasse 100
– 44793 Bochum
We here y declare that the
products
Model: ServoFlex
Type 318.XX
Project no.:
are intended for installing into a system/machine. Startup is not permitted until it is
determined that the system/machine in which this ServoFlex clutch is installed, complies
with the requirements of the EC directives.
The following harmonized standards were applied:
IN EN ISO 12100
Safety of machinery - General principles for design - Risk
assessment and risk reduction
The technical documentation is availa le in entirety and can e requested from:
Maschinenfa rik Mönninghoff Gm H & Co. KG
The corresponding operating instructions for the machine/machine part are availa le.
in their original version and
in the national language of the user in their original version and
in the national language of the user
Bochum,
17.12.2018
Signature........................................................
Managing director: Dipl.-Kfm. Bodo Finger

Type 318.xx
2018-12-17 9
2. Safety
2.1. General
This section provides an overview on all safety aspects for optimum protection of staff during
assem ly and startup as well as safe and trou le-free operation.
WARNING
anger due to failure to observe the
safety instructions!
Failure to o serve the safety and
instructions listed in these assem ly
instructions can lead to considera le
danger.
► Always pay attention to all warnings and
instructions specified here.
2.2. Staff requirements
2.2.1. Qualifications
WARNING
Risk of injury due to insufficient
qualification!
Improper use can result in considera le
damage to persons or property.
All activities shall only e performed y
qualified staff.
The following qualifications are stated in the operating instructions for various different fields
of activities.
 Instructed person
was given instruction y the operator on his/her assigned tasks and possi le dangers
resulting from improper conduct.
 Specialist staff
is a le to carry out assigned work tasks as well as recognize and prevent possi le
dangers ased on his/her technical training, knowledge and experience, including
knowledge of applica le regulations.
 Qualified electrician
is a le to carry out assigned work tasks on electrical systems as well as recognize and
prevent possi le dangers ased on his/her technical training, knowledge and
experience, including knowledge of applica le standards and regulations.

Type 318.xx
2018-12-17 10
The qualified electrician has een trained for the specific work site to which he/she is
deployed, and is familiar with the relevant standards and regulations.
Only permit mem ers of staff if it can e expected that they will carry out their assigned
tasks relia ly. Those staff mem ers whose responsiveness is affected y su stances such
as drugs, alcohol or medication shall not e permitted.
NOTE
O serve all age and occupational regulations
at the location of the electromagnetic tooth
clutch when selecting staff!
WARNING
Risk of injury
Rotating components always constitute a
risk of injury!
► Remove jewellery.
► Protect long hair with a cap or hairnet!
2.2.2. Unauthorized persons
WARNING
anger due to unauthorized persons!
Unauthorized persons who do not fulfil the
requirements descri ed here, are not
familiar with the dangers in the work area.
► Do not permit unauthorized persons to
e in the vicinity of the work area.
► In case of dou t, approach the persons
and instruct them to leave the work
area.
► Do not continue with work while the
unauthorized person is in the vicinity of
the work area.

Type 318.xx
2018-12-17 11
2.3. Intended use
The clutch was conceived and constructed exclusively for connecting shafts.
The clutch may only e used according to the technical data and operating conditions
defined y the manufacturer, see the section "Technical ata" as well as "Setup and
method of function".
When using the clutch in potentially explosive areas, see section 8 "Using in potentially
explosive areas"
WARNING
anger due to use for other than the
intended purpose!
Any use other than for the intended purpose
of the com ination can lead to dangerous
situations.
► Only use the clutch for its intended
purpose.
► All information contained in these
operating instructions must e strictly
complied with.
The operator is lia le for all damage caused from use for other than the intended purpose.
2.4. Technical modifications
NOTE
In order not to endanger the operational
safety of the clutch, unauthorized
modifications and alterations are
prohibited!
2.5. Personal protective equipment
To minimize health risks during work it is necessary to wear personal protective equipment.
 The protective equipment corresponding to the work, which is carried out, must e
worn at all times.
 Pay attention to all advices on personal protective equipment within the work area.

Type 318.xx
2018-12-17 12
Only wear
The following must e worn for all work:
Close-fitting protective clothing with a low
tear strength and no protruding parts.
They are principally designed to protect
against eing caught y moving machine
parts.
Do not wear rings, racelets or other
jewellery.
Goggles to protect the eyes from flying
parts and liquids
Safety footwear with protective caps and
oil-resistant soles
2.6. Specific dangers
The following section specifies residual hazards identified during risk assessment.
Pay attention to the safety instructions and warning notes specified in following sections of
these operating instructions in order to reduce the risk of damage to health and avoid
dangerous situations.
Moving components
CAUTION
Risk of injury due to moving parts!
Rotating and/or linearly moving parts can
cause injury.
► Do not reach into moving parts with your
hands or tamper with these parts during
operation.
► Do not open the covers during operation.
► Wear close-fitting protective clothing in
the danger zone.
► Remove jewellery.
► Protect long hair with a cap or hairnet.

Type 318.xx
2018-12-17 13
2.7. Signs
The following sym ols and signs could e located in the working area. These apply to the
area immediate surrounding where they are attached.
WARNING
Risk of injury due to illegible symbols!
Due to dirt or other causes, stickers and
signs can ecome illegi le.
► All safety, warning and operating
instructions must remain legi le.
► Damaged signs or stickers must e
replaced immediately.
3. Technical Specifications
3.1. Dimensions
Design 1.1
Design 2.1
Design 3.1 Design 4.1

Type 318.xx
2018-12-17 14
Hu Design .2
Hu Design .4
Diaphragm Dissam ly

Type 318.xx
2018-12-17 15
3.2. Technical Specifications
Size
20 25 35 38 42 50
Preferred bores
d, d1 H7 [mm]
Design .1
keyway according to
DIN 6885-1
12, 14,
16, 19,
20
14, 16,
18, 19,
20, 24,
25
19, 20,
24, 25,
28, 30,
35
22, 24,
25, 28,
30, 32,
35, 38
24, 25,
28, 30,
32, 35,
40, 42
28, 30,
32, 35,
40, 45
Bore d, d1 H7
[mm]
Design .1 keyway
according to
DIN 6885-1
min 7 7 12 12 20 19
max 20 25 35 38 42 55
Design .2
min – 12 16 20 25 25
max – 16 25 30 36 45
Design .4
min 12 12 19 20 30 32
max 17 22 32 32 35 40
Clutch torque at
angular
displacement per
diaphragm
assembly
T KN
0,50° [Nm] 35 60 150 200 300 500
0,75° [Nm] 25 40 100 120 160 200
1,00° [Nm] 10 25 50 70 – –
esign 4 T K max [Nm] 25 45 55 120 135 250
Alternating
torques T
KW [Nm] 18 40 55 120 135 250
Max. rotating
speed
Design 1.1, 2.1, 4.1 n
[rpm] 20000
16000 13000 12000 10000 8000
Design 3.1 n [rpm] n max. (siehe Kennlinie "Betrie sdrehzahl")
Design 2, 4 n [rpm] 5000 5000 5000 5000 5000 5000
Moment of
inertia
Design 1. I [10
-3
Kg m
2
] 0,11 0,30 0,87 1,60 2,60 6,50
Design 2 I [10
-3
Kg m
2
] 0,20 0,55 1,50 2,90 4,60 11,80
Design 3 I
l3 =1000 mm
pro 100 mm Rohr
[10
-3
Kg m
2
]
0,41 1,06 3,123 5,543 8,26 16,41
0,0172 0,038 0,150 0,248 0,340 0,6
Design 4. I [10
-3
Kg m
2
] 0,4 0,7 1,2 1,8 2,5 4,6
Weight
Design 1 m [Kg] 0,3 0,6 1,0 1,4 2,1 3,4
Design 2 m [Kg] 0,5 1,1 1,7 2,4 3,3 5,8

Type 318.xx
2018-12-17 16
Size
20 25 35 38 42 50
Weight
Design 3
l3 =1000 mm
pro 100 mm Rohr
[Kg]
1,54 2,42 4,31 6,77 7,52 13,7
0,098 0,128 0,252 0,418 0,362 0,436
Design 4. m [Kg] 0,4 0,7 1,2 1,8 2,5 4,6
Max. resilience
angled
Design 1. [°] 1 1 1 1 1 1
Design
2.
/ 3. / 4. [°]
2 2 2 2 2 2
axial
Design 1. [°] 0,6 0,8 1 1,2 1,4 1,6
Design 2. /
3. / 4. [°]
1,2 1,6 2 2,4 2,8 3,2
radial
Design 2. [°] 0,5 0,5 0,5 0,6 0,6 0,8
Design 3. [°] 0,0175 (l 3 + s]
Design 4. [°] 0,1 0,2 0,2 0,3 0,3 0,4
Torsion spring
stiffness
Design 1. C
T
[10
6
Nm/rad] 0,016
0,029 0,083 0,170 0,250 0,430
Design 2, 4. C
K
[10
6
Nm/rad] 0,008
0,014 0,041 0,085 0,125 0,215
Design 3. /Rohr C
R
[10
6
Nm/rad]
1,76
l 3
3,88
l 3
25,2
l 3
25,2
l 3
43,6
l 3
60,7
l 3
Axial spring
stiffness
Design 1. C
a
[N/mm] 43 45 60 122 160 197
Design 2. /3. /4. C
a
[N/mm] 21 22 30 61 80 98
imensions [mm]
D 56 68 82 94 104 128
D
1
44 53 67 75 85 100
d
2
32 40 54 58 68 78
d
3
H8 5 6 6 8 8 10
d
4
M 5 M 5 M 6 M 6 M 6 M 6
d
5
27 35 48 50 60 50
d
6
24 30 38 42 48 54

Type 318.xx
2018-12-17 17
Size
20 25 35 38 42 50
imensions [mm]
d
7
20 24 28 32 34 40
L Design 1.1 45 56 66 68 80 91
L
1
Design 4.1 55 68 78 86 98 112
L
2
Design 2.1 74 88 98 106 118 140
l 20 25 30 30 35 40
l
1
Design 4. 15 18 18 26 28 32
l
2
Design 2. 24 26 26 30 28 38
l
3
max
.
Bf. 3 1500 1500 2000 2000 3000 3000
l
5
6 8 8 8 10 12
l
6
A stand zwischen den Wellenspiegeln
S 5 6 6 8 10 11
m min. Design 1. / 2. /
3. 27 31 35 44 44 57
m min. Design 4. 20 24 26 35 35 44
n 5 6 8 9 9 11
s
1
– 16 16 16 18 19
x 50 62 72 76 90 102
Torque
S1
M 5 M 6 M 6 M 8 M 8 M 10
[Nm] 5,5 13 13 33 33 65
S2
– M 6 M 6 M 6 M 6
M 8
M 6
M 8
[Nm] – 12 12 12 12/29 12/29
S3
M 4 M 6 M 6 M 8 M 10 M 12
[Nm] 5 10 17 33 75 95
NOTE
O tain further technical data from the
assem ly drawing.
The assem ly drawing can e requested
from the manufacturer.

Type 318.xx
2018-12-17 18
Permissi le operating speed for intermediate shafts type 318.
NOTE
The critical ending speed is 20% over the
permissi le operating speed.
3.3. Connection dimensions, connection fixings
Refer to the assem ly drawing for connection dimensions and information on connection
fixings.
NOTE
The assem ly drawing can e requested
from the manufacturer.