Selection of the coupling series Siemens
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Обзор
The coupling series is frequently determined by the driven machine and the design of the drive train. Common selection criteria are listed below and assigned to coupling properties, which are used to select the coupling series. Additionally, the price of the coupling and availability are important criteria for determining the coupling series to be used.
The FLUDEX series operates positively and transmits the torque with the aid of a flowing oil or water filling. FLUDEX couplings are used to reduce starting and/or overload torques. During starting, the motor may, for example, run up within a very short time; because of the FLUDEX coupling, the drive train with the driven machine may accelerate after a delay and without increased torque load.
The FLUDEX coupling cannot compensate for shaft misalignment and is therefore designed in combination with a displacement coupling, a cardan shaft or a belt drive. The displacement coupling may be selected in accordance with the criteria described below.
Selection criterion | ZAPEX | ARPEX | N-EUPEX | N-EUPEX DS | RUPEX | BIPEX | ELPEX-B | ELPEX-S | ELPEX | |
---|---|---|---|---|---|---|---|---|---|---|
Torque range | Rated coupling torqueTKN in Nm | 850 ... | 92 ... 1450000 | 19 ... 62000 | 19 ... 21200 | 200 ... 1300000 | 13.5 ... 3700 | 24 ... 14500 | 330 ... 63000 | 1600 ... 90000 |
Speed range | Peripheral speed | 60 | 100 | 36 | 36 | 60 | 36 | 35 | 66 | 60 |
Torque load | uniform | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
non uniform | ✓ | ✓ | ✓ | ✓ | ✓ | ☺ | ✓ | ✓ | ✓ | |
rough | ✓ | ✓ | – | – | ✓ | – | ✓ | ✓ | ✓ | |
very rough | ✓ | ✓ | – | – | – | – | ✓ | ✓ | ✓ | |
Installation and alignment | Rigid installation, well aligned | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Rigid installation, roughly aligned | ✓ | ✓ | – | – | – | – | ✓ | – | ✓ | |
Flexible installation | ✓ | ✓ | – | – | – | – | ✓ | – | ☺ | |
Torsional stiffness | Torsionally rigid | ✓ | ✓ | – | – | – | – | – | – | – |
Torsionally flexible | – | ☺ | ✓ | ✓ | ✓ | ✓ | – | – | – | |
Highly flexible | – | – | – | – | – | – | ✓ | ✓ | ✓ | |
Torque transmission | Free of torsional backlash | – | ✓ | – | – | ☺ | – | ✓ | – | ✓ |
Low torsional backlash | ✓ | – | – | – | ✓ | ✓ | – | ✓ | – | |
Overload withstand capability | ✓ | ✓ | ✓ | – | ✓ | ✓ | – | ☺ | ✓ | |
Assembly | Plug-in assembly | ☺ | – | ✓ | ✓ | ✓ | ✓ | – | ✓ | – |
with Taper clamping bushes | – | ☺ | ☺ | – | – | ✓ | ✓ | ✓ | – | |
Maintenance | Wear parts easily dismountable | ✓ | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ |
Maintenance-free | – | ✓ | – | ☺ | – | – | – | – | – | |
Low-maintenance - interval 1 year | ✓ | – | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
Environment | ATEX 94/9/EC Approval | ✓ | ✓ | ✓ | ✓ | ✓ | – | – | ✓ | – |
Operating temperature range | –20 ... +80 °C | –40 ... +280 °C | –50 ... +100 °C | –30 ... +80 °C | –50 ... +100 °C | –30 ... +80 °C | –50 ... +70 °C | –40 ... +120 °C | –40 ... +80 °C | |
Chemically aggressive | ☺ | ☺ | ☺ | ☺ | ☺ | ☺ | ☺ | ☺ | ☺ | |
Coupling material | Cast iron | – | – | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Steel | ✓ | ✓ | – | – | ✓ | – | ✓ | ✓ | ✓ | |
Stainless steel | – | ☺ | – | – | ☺ | – | ☺ | – | – | |
Add-on parts / types | Adapter | ✓ | ✓ | ✓ | ✓ | ☺ | – | ✓ | ☺ | ☺ |
Brake disk | ✓ | ☺ | ✓ | – | ✓ | – | ☺ | ☺ | ☺ | |
Brake drum | ✓ | ☺ | ✓ | – | ✓ | – | ☺ | ☺ | ☺ | |
Axial backlash limiter | ✓ | ✓ | – | – | ☺ | – | – | ☺ | ☺ | |
Shiftgear | ✓ | ☺ | – | – | ☺ | – | – | ☺ | ☺ | |
Flange type | ☺ | ✓ | ✓ | – | ✓ | – | ☺ | ✓ | ✓ | |
Flange to SAE J620d | ☺ | ☺ | ☺ | – | ☺ | – | ☺ | ✓ | ✓ |
✓ Standard
☺ On request
– Not possible
Typical coupling solutions for different example applications
The specified application factors are recommendations; regulations, rules and practical experience take priority as assessment criteria.
No application factor need be taken into account with FLUDEX couplings. In the case of highly flexible couplings of the ELPEX, ELPEX-S and ELPEX-B series, deviating application factors are stated in the product descriptions.
Example applications | Application factor FB | FLUDEX | ZAPEX | ARPEX | N-EUPEX | RUPEX | BIPEX | ELPEX-B | ELPEX-S | ELPEX |
---|---|---|---|---|---|---|---|---|---|---|
Electric motor without gear unit | ||||||||||
Centrifugal pumps | 1.0 ... 1.5 | ☺ | ☺ | ☺ | ☺ | ❑ | ❑ | ☺ | – | – |
Piston pumps | 1.5 ... 2.0 | ☺ | ☺ | ☺ | – | ❑ | – | ☺ | ☺ | ☺ |
Vacuum pumps | 1.5 ... 1.75 | ☺ | ☺ | ☺ | ❑ | ❑ | – | ☺ | ☺ | ☺ |
Fans with TN < 75 Nm | 1.5 ... 1.75 | ☺ | ❑ | ☺ | ☺ | ❑ | – | ☺ | ❑ | ❑ |
Fans with TN 75 ... 750 Nm | 1.75 ... 2.0 | ☺ | ❑ | ☺ | ☺ | ☺ | – | ☺ | ❑ | ❑ |
Fans with TN > 750 Nm | 1.75 ... 2.0 | ☺ | ❑ | ☺ | ❑ | ☺ | – | ☺ | ❑ | ❑ |
Blowers | 1.5 ... 2.0 | ☺ | ❑ | ☺ | ☺ | ☺ | – | ☺ | ❑ | ❑ |
Frequency converters / generators | 1.25 ... 1.75 | ☺ | ❑ | ☺ | ❑ | ☺ | – | ☺ | – | ❑ |
Reciprocating compressors | 1.75 ... 2.5 | ☺ | ❑ | ☺ | – | ❑ | – | ☺ | ☺ | ☺ |
Screw-type compressors | 1.5 ... 1.75 | ❑ | ❑ | ☺ | ❑ | ☺ | – | ☺ | ☺ | ☺ |
Internal-combustion engine without gear unit | ||||||||||
Generators | 1.75 ... 2.5 | ☺ | – | – | ❑ | ❑ | – | ☺ | ☺ | ☺ |
Pumps | 1.5 ... 1.75 | ☺ | – | ❑ | ☺ | ❑ | – | ❑ | ☺ | ☺ |
Fans | 1.75 ... 2.5 | ☺ | – | ❑ | – | ❑ | – | ❑ | ☺ | ☺ |
Hydraulic pumps, excavators, construction machines | 1.5 ... 1.75 | ❑ | ❑ | ❑ | ❑ | ☺ | ☺ | ❑ | ☺ | – |
Compressors / screw-type compressors | 1.5 ... 1.75 | ❑ | ❑ | ❑ | ❑ | ☺ | – | ❑ | ☺ | ☺ |
Agricultural machinery | 1.75 ... 2.5 | ❑ | ❑ | ☺ | ☺ | ☺ | – | ❑ | ☺ | ❑ |
Other | ||||||||||
Turbine gear units | 1.5 ... 1.75 | ❑ | ☺ | ☺ | – | – | – | – | – | – |
Hydraulic motor - gear unit | 1.25 ... 1.5 | – | ❑ | ❑ | ❑ | ☺ | ☺ | ❑ | ❑ | ❑ |
Electric motor with gear unit | ||||||||||
Chemical industry | ||||||||||
Extruders | 1.5 ... 2.0 | – | ☺ | ☺ | ❑ | ☺ | – | ☺ | ❑ | – |
Pumps - centrifugal pumps | 1.0 ... 1.5 | ☺ | ☺ | ☺ | ☺ | ☺ | ❑ | ☺ | – | – |
Pumps - piston pumps | 1.75 ... 2.5 | ☺ | ☺ | ☺ | ☺ | ☺ | – | ☺ | ☺ | ☺ |
Pumps - plunger pumps | 1.5 ... 1.75 | ☺ | ☺ | ☺ | ☺ | ☺ | – | ☺ | ☺ | ☺ |
Reciprocating compressors | 1.75 ... 2.5 | ❑ | ☺ | ☺ | ❑ | ☺ | – | ☺ | ☺ | ☺ |
Calenders | 1.5 ... 1.75 | ❑ | ☺ | ☺ | ☺ | ☺ | – | ☺ | ☺ | – |
Kneaders | 1.75 ... 2.5 | ❑ | ☺ | ☺ | ❑ | ☺ | – | ☺ | ☺ | ☺ |
Cooling drums | 1.25 ... 1.5 | ☺ | ☺ | ☺ | ☺ | ☺ | ❑ | – | – | – |
Mixers | 1.25 ... 1.5 | ☺ | ☺ | ☺ | ☺ | ☺ | ❑ | – | – | – |
Stirrers | 1.25 ... 1.5 | ☺ | ☺ | ☺ | ☺ | ☺ | ☺ | ☺ | – | – |
Toasters | 1.25 ... 1.5 | – | ☺ | ☺ | ☺ | ☺ | – | ☺ | – | – |
Drying drums | 1.25 ... 1.5 | ☺ | ☺ | ☺ | ☺ | ☺ | – | ☺ | – | – |
Centrifuges | 1.25 ... 1.5 | ☺ | ☺ | ☺ | ☺ | ☺ | ☺ | ☺ | – | – |
Crushers | 1.5 ... 2.5 | ☺ | ☺ | ☺ | ❑ | ☺ | – | ☺ | – | ☺ |
Power generation and conversion | ||||||||||
Compressed air, reciprocating compressors | 1.75 ... 2.5 | ❑ | ☺ | ☺ | – | ☺ | – | ☺ | ☺ | ☺ |
Compressed air, screw-type compressors | 1.25 ... 1.5 | – | ☺ | ☺ | ☺ | ☺ | ❑ | – | ☺ | ❑ |
Air - Blowers | 1.5 ... 1.75 | ☺ | ☺ | ☺ | ☺ | ☺ | ❑ | ☺ | ❑ | ❑ |
Air - Cooling tower fans | 1.5 ... 1.75 | ☺ | ☺ | ☺ | ❑ | ☺ | – | ☺ | ❑ | ❑ |
Air - Turbine blowers | 1.5 ... 1.75 | – | ☺ | ☺ | – | ❑ | – | – | – | – |
Generators, converters | 1.25 ... 1.5 | ☺ | ☺ | ❑ | – | ☺ | – | – | – | – |
Welding generators | 1.25 ... 1.5 | – | ☺ | ❑ | – | ☺ | – | – | – | – |
Metal production, iron and steel works | ||||||||||
Plate tilters | 1.5 ... 2.0 | – | ☺ | ❑ | – | ☺ | – | ☺ | – | ☺ |
Ingot pushers | 1.75 ... 2.5 | – | ☺ | ❑ | – | ☺ | – | ☺ | – | ☺ |
Slabbing mill | 1.75 ... 2.5 | – | ☺ | ❑ | – | ☺ | – | ☺ | – | ☺ |
Coiling machines | 1.5 ... 2.0 | – | ☺ | ❑ | – | ☺ | – | ☺ | – | ☺ |
Roller straightening machines | 1.5 ... 2.0 | – | ☺ | ❑ | – | ☺ | – | ☺ | – | ☺ |
Roller tables | 1.75 ... 2.5 | – | ☺ | ❑ | – | ☺ | – | ☺ | – | ☺ |
Shears | 1.75 ... 2.0 | – | ☺ | ❑ | – | ☺ | – | ☺ | – | ☺ |
Rollers | 1.75 ... 2.0 | – | ☺ | ❑ | – | ☺ | – | ☺ | – | ☺ |
Metal working machines | ||||||||||
Plate bending machines | 1.5 ... 2.0 | – | ☺ | ❑ | – | ☺ | – | ☺ | – | ☺ |
Plate straightening machines | 1.5 ... 2.0 | – | ☺ | ❑ | – | ☺ | – | ☺ | – | ☺ |
Hammers | 1.75 ... 2.5 | – | ☺ | ❑ | – | ☺ | – | ☺ | – | ☺ |
Planing machines | 1.75 ... 2.5 | – | ☺ | ❑ | – | ☺ | – | ☺ | – | ☺ |
Presses, forging presses | 1.75 ... 2.0 | – | ☺ | ❑ | – | ☺ | – | ☺ | – |
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