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Plates
Page
General notes
Clutch plates have a long tradition at Ortlinghaus
2.03.00
The friction system
2.03.00
Drive profile
2.04.00
The radial clearances
2.04.00
Running clearance
2.04.00
The Sine profile of the steel plates
2.04.00
The friction width ratio
2.04.00
The number of frictional surfaces
2.04.00
Steel plates, pressure plates
External plates with lugs
3. 00-040
2.05.00
External plates with splines
3. . .-. 40
2.06.00
Internal Sine plates with lugs
3. 00-140
2.07.00
Internal Sine plates with splines
3021-744
2.08.00
Internal Sine plates with splines
3. . . - .40
2.09.00
Internal Sine plates with splines, perlitic cast iron
3. . . -300-. . -004
2.10.00
Pressure plates with lugs
1100-070-. . -
2.11.00
Pressure plates with splines
1100-070-. . -004
2.12.00
Plates with organic friction linings
for dry-running
External plates with lugs
3100-088- . . -
2.13.00
External plates with splines
3. 0. -. 88-. . -
2.14.00
External plates with radial slots and splines
3421-688-. . -
2.15.00
Plates with sintered linings
External plates with lugs for wet- and dry-running
3. 00-015-. . -
2.17.00
External plates with lugs, for wet- and dry-running
3. 0. -01. -. . -
2.18.00
External plates with splines for wet- and dry-running
3100-. 15-. . -
2.19.00
External plates with splines for wet-running
3002-
2.20.00
External plates with splines for wet-running
3021-6. . -. . -029
2.21.00
Page
Edition 02.2004
Contents
EN 2.01.00
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Plates
Clutch plates have a long
tradition at Ortlinghaus
Ortlinghaus has been a pioneer in the development
of clutch plates. As early as 1904 we were
manufacturing plates for clutches and brakes. In
1934 the company Otto Ortlinghaus and Sons in
Remscheid was granted a patent for the sprung
steel plate which was marketed and accepted
throughout the world under the brand name of the
"Sinus" plate.
At the beginning of the fifties Ortlinghaus was the
first manufacturer in Europe to supply multi-disc
clutches with sintered plates. Since then the range
has been continually developed and expanded -
always on the basis of trials on our high performance
test rigs. The result of decades of production of
complete clutches of all types has resulted in a wide
range of knowledge in the use of clutches for the
most varied of applications. Supported by this long
tradition Ortlinghaus today supplies a
comprehensive range of clutch plates in a wide
variety of sizes, friction combinations and surface
designs to suit all applications and functions.
• "Dry-running" and
• "Wet-running"
different principal characteristics are decisive for
the application.
Thus for dry-running the wear of the friction
linings (result from friction between two faces) is
an effect which accompanies the friction and is at
the centre of the design calculation. In wet-
running on the other hand the friction
combination is largely protected from wear by the
lubricant and the frictional heat generated is
effectively dissipated. Due to this, together with
the high thermal loading capacity of the
Ortlinghaus lining materials, an extremely high
single and continuous engagement/
disengagement performance of the assemblies is
achieved.
Figure 1 illustrates the most important
construction parameters for a frictional system.
The selection and design of the individual
components, the lining plates and steel plates
together with the lubricant are all subject to the
requirements and performance specification of
the clutch or brake being designed.
For frictional materials and frictional pairs see
Section 1 "Technical Information".
Standard plates are mostly available ex stock;
splines, dimensions and frictional properties are
matched to each other and have been proven in
millions of applications.
Our strength also lies in the cost efficient
manufacture of specifically customised
plates . These allow our customers the freedom in
the design of drive units which they often need in
competitive markets.
Details of the friction characteristics and
coefficients for the different frictional
combinations can be found in Section 1
"Technical Information".
Lining plate
Lubricant
(for wet-running)
Steel plate
Drive
profile
Sine
corrugations
Our specialist engineers, available in all important
locations at home and abroad, and our experts in
the factory will be glad to advise you in all
questions on the use and installation of plates and
clutches. Please describe your application or return
the completed questionnaire.
Material
The friction system -
central components of multi-plate
clutches or brakes
The engagement/disengagement characteristics
and the service life of a multi-plate clutch or a
multi-plate brake are determined by the choice
and specified size of the frictional combination
(plates) and - for wet-running - by the lubricant.
In the two areas of application
Splined
drive profile
Frictional
material
Lining slots
Frictional
width ratio
Surface machining/
finish
Base material
Figure 1
Lining plates and steel plates, the main components of a
frictional system.
Page
Edition 02.2004
General notes
EN 2.03.00
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Plates
Drive profiles
Plates are fitted to their drive components in a
way, so that they can move in the axial direction
but are guided in the circumferential direction to
prevent rotation.
For this purpose there are various forms of drives
available:
residual stress and whose thermal loading capacity
is fully equal to that of the flat plate.
The number of corrugations and their height are
determined by the diameter of the plate, the type
of slots on the lining plate and the thickness of the
steel plate.
• Lugs and slots (straight and bowed)
• Splines to DIN 867 and DIN 5480
• Bores in the body of the plate or tongues to take
pick-up studs,
• Special profiles to customer requirements.
The friction width ratio
The friction width ratio is the ratio of the outside
diameter to the inside diameter of the friction
lining. The normal figure for our standard plates
is 1.2 to 1.4 . "Wider plates" should be avoided
because of the uneven thermal loading. The
permissible thermal loading per unit area would
be smaller which in the final analysis would result
in a lower power to weight ratio of the assembly.
The radial clearance
The radial clearance between the flanks of the
plates and of the drive component guarantees
that the plates can be displaced axially - a basic
requirement to allow multi-plate clutches to be
engaged/disengaged. Defined dimensions must
be adhered to in order to avoid damage due, for
instance, to hammering in the drive component
profile or due to excessive thermal loading as
result of incomplete disengagement of the plate
pack when running disengaged.
For this reason defined specifications for the
radial clearance in relation with the plate size, the
type of drive component profile, the material and
any heat treatment of the material, apply in the
manufacturing of all Ortlinghaus plates. The
relevant factory standard for this is based on the
main required tolerance bands of the spline
standards (DIN/ISO) guaranteeing a clear match
with the dimensions of the drive component -
sometimes manufactured by the customer.
The number of friction surfaces
In the standard clutches and brakes listed there
are plate packs with 6 to 24 friction surfaces. The
following (also by calculation) relationship applies
to the design: the dynamic torque does not increase
linearly with the number of friction surfaces but
in reducing steps. The reason for this is based on
the fact that the axial engagement force applied
by the actuator/piston is reduced by friction on all
the drive teeth so that the frictional surface
pressure falls off with increasing distance from
the actuator/piston.
Running clearance
In addition to being determined by the plate size,
the running clearance of a plate pack also depends
on the type of steel plates. If Sine plates are used
the air gap will be about 0.1 mm to 0.2 mm per
friction surface (medium sized plate). For flat
plates a slightly larger clearance is necessary.
The Sine profile of the steel plates
As already explained in Section 1 "Technical
Information" the sprung steel plate gives a soft
engagement, a quick and accurate release when
disengaging and also stable running characteristics.
The creation of the Sine profile is carried out during
manufacturing in accordance with special
specifications with regard to the heat treatment
and the strength of the steel body. This process is
a prerequisite for a plate which is virtually free of
Page
Edition 02.2004
General notes
EN 2.04.00
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External plates with lugs
Number
Number
D
d
B
H
H 1
b
r
o f
lugs
3100-040-07- . . .000
54,5
34
10
31
25,8
1
3100-040-11- . . .000
69,8
50
12
38,5
33,3
3
3100-040-15- . . .000
79,8
60
12
44
38,3
3000-040-19- . . .000
89,8
68
12
49,5
43,3
1,2
3000-040-23- . . .000
100
72
12
55
48,5
4
1,45
3100-040-23- . . .000
100
72
12
55
48,5
8
3100-040-25- . . .000
111,5
72
19
61
53,8
3000-040-27- . . .000
109,8
78
12
61
53,2
3100-040-31- . . .000
124,8
84
12
68,5
61
3000-040-35- . . .000
134,8
95
12
73,5
65,9
6
3100-040-39- . . .000
144,5
102
19,7
78,5
70,5
1,8
1,5
3100-040-43- . . .000
164,5
118
19,7
88,5
80,5
3100-040-47- . . .000
181,5
132
19,7
97
89
-000 with spiral grooves
-030 without spiral grooves
Connection dimensions of the outside drive housing in
accordance with the factory standard on request.
Page
Edition 02.2004
Steel plates 3.00-040-..
EN 2.05.00
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External plates with splines
to DIN 867
Number
Profile
Number
of teeth
displacement
d
d a
d i
b
x modulus
x · m
32 x 4* )
3100-640-31-0..000
+ 0,8
128
133,2
92
1,45
36 x 4* )
3100-640-39-0..000
+ 1,8
144
151,2
102
1,8
3100-240-39-0..000
60 x 2,5
–
150
153
102
1,8
3100-240-43-0..000
68 x 2,5
–
170
173
118
1,8
3100-240-47-0..000
62 x
3
–
186
188
132
1,8
3000-240-51-0..000
68 x
3
–
204
208
145
1,8
3100-240-55-0..000
78 x
3
–
234
236
155
2,3
3000-240-59-0..000
88 x
3
–
264
268
175
2,3
3100-240-63-0..000
95 x
3
–
285
287
189
2,5
3000-240-66-0..000
105 x
3
–
315
320
205
2,5
3100-240-69-0..000
84 x
4
–
336
340
220
3,5
3000-240-72-0..000
90 x
4
–
360
365
255
3,5
3100-240-75-0..000
100 x
4
–
400
404
285
4
3100-240-78-0..000
90 x
5
–
450
455
315
4
3002-240-81-0..000
108 x
5
–
540
545
375
5
3100-240-84-0..000
100 x
6
–
600
605
440
5
3000-240-86-0..000
115 x
6
–
690
695
520
6
3000-240-90-0..000
128 x
6
–
768
775
520
6
-Size-000 with spiral grooves
-Size-030 without spiral grooves up to size 66
-Size-002 without spiral grooves from size 69
Connection dimensions of the outside drive housing in
accordance with the factory standard on request.
* ) Spline to DIN 5480
Page
Edition 02.2004
Steel plates 3...-.40-..
EN 2.06.00
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