Draaikrans met Direct Drive Motor Type LTD
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Franke Drehverbindungen mit integriertem Direktantrieb (Torque-Motor) zeichnen sich aus durch eine hohe Dynamik, maximale Energieeffizienz und einen kompakten Einbauraum mit großer Mittenfreiheit.
Description
Drehverbindungen mit Direktantrieb eignen sich für Anwendungsfälle, bei denen hohe Leistungsfähigkeit und geringer Platzbedarf wichtige Kriterien sind. Die Integration des Antriebs in das Lagergehäuse führt dazu, dass verschleissträchtige Baugruppen zur Übertragung von Antriebsleistung wie Zahnriemen, Ritzel oder Getriebe entfallen können. Dies reduziert den Wartungsaufwand, erhöht den Wirkungsgrad und steigert sowohl den Drehzahlbereich als auch die Positioniergenauigkeit.
Properties - Evaluation
| Accuracy | |
| Speed | |
| Ø-Range | |
| Price |
Technical data
Material
C45N (optional Aluminium)
Operating temperature
–10 °C bis +80 °C
Mounting position
Beliebig
Lubricant
Wälzlagerfett über Schmiernippel
Options
absolutes Messsystem, Kabelabgang axial, Steuerung inkl. Kabel, Wasserkühlung
Technical advice
Data tables
Compare data and calculate load cases
| LTD0100 | MyFranke | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Name | ΚΚØ mm |
Load ratings kN |
Torque Nm |
Power A |
Speed 1/min. |
Weight kg |
CAD-Download Calculate loads |
|||||
| C0a | C0r | Ca | Cr | MNom | MPeak | INom | IPeak | nmax | ||||
| LTD-0100 | 100 | 46 | 22 | 17 | 14 | 4,5 | 16 | 1,8 | 7 | 2140 | 8,0 |
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| LTD0215 | MyFranke | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Name | ΚΚØ mm |
Load ratings kN |
Torque Nm |
Power A |
Speed 1/min. |
Weight kg |
CAD-Download Calculate loads |
|||||
| C0a | C0r | Ca | Cr | MNom | MPeak | INom | IPeak | nmax | ||||
| LTD-0215 | 215 | 128 | 60 | 26 | 22 | 26,4 | 105 | 3,1 | 12,8 | 640 | 21,0 |
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| LTD0320 | MyFranke | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Name | ΚΚØ mm |
Load ratings kN |
Torque Nm |
Power A |
Speed 1/min. |
Weight kg |
CAD-Download Calculate loads |
|||||
| C0a | C0r | Ca | Cr | MNom | MPeak | INom | IPeak | nmax | ||||
| LTD-0320 | 320 | 382 | 180 | 45 | 39 | 77 | 329 | 4,3 | 21,6 | 300 | 44,0 |
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| LTD0385 | MyFranke | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Name | ΚΚØ mm |
Load ratings kN |
Torque Nm |
Power A |
Speed 1/min. |
Weight kg |
CAD-Download Calculate loads |
|||||
| C0a | C0r | Ca | Cr | MNom | MPeak | INom | IPeak | nmax | ||||
| LTD-0385 | 385 | 458 | 216 | 48 | 41 | 118 | 522 | 4,3 | 21,7 | 193 | 57,0 |
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| Power comparison | LTD-0100 | LTD-0215 | LTD-0320 | LTD-0385 | ||
|---|---|---|---|---|---|---|
|
Nominal Data (free air convection) |
||||||
| Nominal Torque | TNomAC | Nm | 4,5 | 26,4 | 77 | 118 |
| Nominal Current | INomAC | Arms | 1,8 | 3,1 | 4,3 | 4,3 |
| Nominal Speed | nNomACLk | rpm | 2140 | 640 | 299 | 193 |
| Nominal Power | NomAC | W | 1005 | 1770 | 2409 | 2386 |
| Winding Losses1 | PVDAC | W | 54 | 131 | 230 | 309 |
| Total Losses2 | PDAC | W | 96 | 179 | 295 | 357 |
| Holding Torque | THAC | Nm | 3,2 | 18,7 | 54 | 83 |
| Holding Current | IHAC | Arms | 1,2 | 2,2 | 3 | 3 |
|
Peak Data |
||||||
| Peak Torque | TPeak | Nm | 16 | 105 | 329 | 522 |
| Peak Current | IPeak | Arms | 7 | 12,8 | 21,6 | 21,7 |
| Speed at Peak Torque | nPeak | rpm | 1130 | 320 | 126 | 74 |
| Peak Power | PPeak | W | 1897 | 3526 | 4343 | 4049 |
| Winding Losses1 | PPeak | W | 863 | 2236 | 5886 | 7876 |
| Total Losses2 | PDPeak | W | 877 | 2253 | 5904 | 7889 |
| Power Data | ||||||
| Torque Constant | kt | Nm/Arms | 2,549 | 8,51 | 18,037 | 27,449 |
| Vrms/(rad/s) | 1,577 | 5,2 | 11,094 | 16,694 | ||
| BEMF Constant (Phase - Phase) | ke | Vrms/(rpm) | 0,165 | 0,545 | 1,162 | 1,748 |
| Motor Constant | km | Nm/vW | 0,459 | 1,973 | 4,483 | 6,25 |
| Idle Speed | nidle | rpm | 2390 | 727 | 340 | 226 |
| max. Speed (Fieldweaking) | nmax | rpm | - | - | - | - |
| max. Frequency (Idle/Fieldweaking) | fmax | Hz | 398 | 254 | 159 | 124 |
| DC Bus Voltage | UDC | VDC | 560 | 560 | 560 | 560 |
| Ø Resistance per Phase (winding only) | RPh20 | Ω | 4,419 | 3,457 | 3,206 | 4,235 |
| Ø Inductance per Phase (winding only) | LPh | mH | 21,727 | 19,532 | 21,071 | 28,049 |
| electr. Time Constant t=L/R | Tel | ms | 4,92 | 5,65 | 6,57 | 6,62 |
| Number of Polepairs | n | 10 | 21 | 28 | 33 | |
| Winding Connection | Star | Star | Star | Star | ||
| Measuring System | ||||||
| Measuring Method | incremental | |||||
| Reference mark | single coded | |||||
| Measuring principle | inductive | |||||
| Interface | 1 Vss | |||||
| Cable length | 1 m | |||||
| Grating period | 1000 µm | |||||
| Line count | 256 | 640 | 938 | 1200 | ||
| Interpolation | 10-fold | |||||
| Number of signal periods | 2560 | 6400 | 9380 | 12000 | ||
| Position error per grating period | ±11" | ±4,5" | ±3" | ±2,5" | ||
| Grating period accuracy (±10µm arc length) | ±51" | ±20" | ±14" | ±11" | ||
| Max. scaning frequency | 40 kHz | |||||
| Voltage supply | 4V to 7V DC | |||||
| Electrical connection | cable with M23, 12 pin male | |||||
Annotations
1 Winding Losses are referred to a Coil Temperature of 100°C.
2 The total Losses are made up of: Winding Losses; Stator Iron Losses; Rotor Losses;
Calculation of total Losses: Winding Losses + Stator Iron Losses (at speed X) + Rotor Losses (at speed X)
Ensure that your servo drive can handle the Nominal- and Peakcurrent of the Motor. An adjustment of the Speed and DC Bus Voltage can be done after consultation. The nominal data in this datasheet are based on an ambient/coolant temperature of 20°C.
The stated nominal Torques are without consideration of friction losses through Bearings or Sealings.
Because the exact duty type depends also on the thermal connection of the motor, the embedded thermal monitoring system has to be analysed and attented. However, attention has to be payed that the temperature sensors do not show the exact temperature of the winding and this could be up to 20 K higher due to thermal capacities. Despite an electrical insulation towards the winding, you are only allowed to connect the sensors to your controller by using a galvanic separation in between.