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Key Features |
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| · Small profile | ||
| · Short moving part | ||
| · High stiffness top air bearings | ||
| · Multiple forcers on single platen | ||
| · Compatible with stepping motor drives | ||
| · Magnetically preloaded side roller bearing | ||
| · IntelLiCoder Linear Feedback |
PARAMETER |
MODEL |
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| SYSTEM | LSM AB 20 |
LSM AB 30 |
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| Static force | lb | 20 | 30 | |||
| Dynamic force | note 1 | lb | 16 | 25 | ||
| Repeatability | note 2 | in | 0.0001 | 0.0001 | ||
| Resolution | note 3 | full steps / inch | 100 | |||
| note 4 | in | 0.0001 | ||||
| Hysteresis | in | 0.0005 | ||||
| Travel straightness | note 5 | in / in TIR | 0.0005 / 12 | |||
| Operating speed | in / sec | 100 | 100 | |||
| FORCER | ||||||
| Forcer type | PM hybrid | |||||
| Number of coils | 2 | |||||
| Number of phases | note 6 | 2 | ||||
| Cyclic error | uncorrected | in | 0.001 | |||
| corrected | note 7 | in | 0.0005 | |||
| Current per coil | amp | 1.5 | ||||
| Max case temperature | deg F | 100 | ||||
| Bearing type | top | air | ||||
| side | note 8 | ball | ||||
| Air bearing | pressure | psi | 60-80 | |||
| flow | scfm | 0.50 |
0.75 |
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| Air gap | note 9 | in | 0.0008 |
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0.0008 |
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| Max forcer load | top | lb | 20 | 30 | ||
| side | lb | 15 | 15 | |||
| Forcer weight | lb |
2 | 3 | |||
| Forcer finish | anodized | |||||
| PLATEN | P2-18 |
P3-18 |
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| Standard length | note 10 | in | 18, 36, 54, 72, 90, 108, 126, 144, 162 | |||
| Platen weight | lb / in | 0.4 | ||||
| Platen pitch | note 11 | in | 0.040 | |||
| Cumulative pitch error | in / ft | 0.0005 | ||||
| Platen thermal expansion | in / in / deg F | 0.00000633 | ||||
| Mounting surface flatness | note 12 | in / in | 0.0002 / 6 | |||
| Note 1 | At 20 in/sec with 60 VDC power supply | Note 7 | With cyclic error correction |
| Note 2 | Unidirectional | Note 8 | With 10 lb magnetic preload |
| Note 3 | Motor resolution 0.010 in per full step | Note 9 | Gap varies with pressure for air bearing motors |
| Note 4 | Dependent on microstepping resolution | Note 10 | Consult the factory for longer travel requirements |
| Note 5 | Dependent on the mounting surface and method | Note 11 | Consult the factory for other pitch requirements |
| Note 6 | Four phase models available. Consult the factory | Note 12 | Surface flatness required for the motor operation |
Specifications and drawings subject to change without notice |