BLMSC Series Linear Motors
The BLMSC linear motor is Aerotech’s smallest “U-channel” linear motor measuring only 37.5 mm x 22 mm in cross section. With a high power density and force output, the BLMSC is ideally suited for space-constrained applications requiring high-acceleration or high-force output.
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Request a Quote- Description
- Specifications
- Dimensions
- Ordering Info
- Downloads
Description
Design Features
- Aerotech’s smallest linear motor: 37.5 mm x 22 mm cross section
- Continuous force to 27.7 N; peak force to 110.9 N
- Non-magnetic forcer coil provides high force with zero cogging for super-smooth velocity and position control
- Ideal for space-constrained applications
- CE approved, follows the EU 2015/863 RoHS 3 directive
The motor consists of a noncontact forcer coil assembly with thermal sensor, optional Hall-effect devices, and “U-channel” magnet track. The design eliminates backlash, windup, wear, and maintenance issues associated with ball-screws, belts, and rack and pinions.
The moving forcer coil assembly is a compact, reinforced ceramic-epoxy structure. The ironless design eliminates cogging and eddy-current losses that otherwise would limit speed and produce additional heat.
These linear motors are ideal for any application that requires high levels of positioning resolution and accuracy. BLMSC series linear motors are forgiving to align, easy to assemble, and keep the magnetic field well-contained. Magnet tracks are stackable for any travel length. They are also suited for cleanroom use as they produce no particulates.
The BLMSC can be driven using standard Aerotech brushless amplifiers and controllers to provide a complete integrated system.
Specifications
BLMSC Performance Specifications
| BLMSC-111-A | |
|---|---|
| Continuous Force (1)(2)(3) | 20.8 N |
| Peak Force(1)(2)(4) | 83.3 N |
Notes:
- Performance is dependent upon heat sink configuration, system cooling conditions, and ambient temperature.
- All performance and electrical specifications ±10%.
- Values shown @ 100°C rise above a 25°C ambient temperature, with the motor mounted to the specified aluminum heat sink.
- Peak force assumes correct rms current; consult Aerotech.
BLMSC Electrical Specifications
| BLMSC-111-A | |
|---|---|
| BEMF Constant (Line to Line, Max) | 9.2 V/(m/s) |
| Continuous Current (Apk )(1)(2) | 2.67 Apk |
| Continuous Current (Arms )(1)(2) | 1.89 Arms |
| Peak Current, Stall (Apk )(1)(3) | 10.68 Apk |
| Peak Current, Stall (Arms )(1)(3) | 7.55 Arms |
| Force Constant, Sine Drive(1)(4)(5) | 7.8 N/Apk |
| Force Constant, Sine Drive (cont.)(1)(4)(5) | 11.03 N/Arms |
| Motor Constant(1)(2)(4) | 2.91 N/√W |
| Resistance, 25°C (Line-Line)(1) | 6.8 Ω |
| Inductance (Line-Line)(1) | 1.02 mH |
| Thermal Resistance(1) | 1.95 °C/W |
| Maximum Bus Voltage(1) | 340 VDC |
Notes:
- All performance and electrical specifications ±10%.
- Values shown @ 100°C rise above a 25°C ambient temperature, with the motor mounted to the specified aluminum heat sink.
- Peak force assumes correct rms current; consult Aerotech.
- Force constant and motor constant specified at stall.
- All Aerotech amplifiers are rated Apk; use force constant in N/Apk when sizing.
BLMSC Specifications
| BLMSC-111-A | |
|---|---|
| Coil Weight | 0.13 kg |
| Coil Length | 111 mm |
| Heat Sink | 250x250x25 mm |
| Magnet Track Weight | 2.81 kg/m |
| Magnetic Pole Pitch | 16.0 mm |
| Standards | EU 2015/863 RoHS 3 directive |
Dimensions
BLMSC
Ordering Info
BLMSC Brushless Linear Servomotor
| Option | Description |
|---|---|
| BLMSC-11 | Linear motor forcer with thermistor, 111 mm long |
Winding Designation (Required)
| Option | Description |
|---|---|
| -A | 76 cm (2.5 ft) flying leads (standard) |
Air cooling (required)
| Option | Description |
|---|---|
| -NC | No air cooling (standard) |
Hall Effect Sensors (Required)
| Option | Description |
|---|---|
| -H | Hall effect sensors included |
| -NH | No hall effect sensors included |
Cable Length (Required)
| Option | Description |
|---|---|
| -750 | 750 mm high-flex cables |
| -5000 | 5.0 m high-flex cables |
Magnet Tracks
| Option | Description |
|---|---|
| MTSC64P | "U" channel magnet track for use with BLMSC-series forcers; 64 mm long |
| MTSC96P | "U" channel magnet track for use with BLMSC-series forcers; 96 mm long |
| MTSC112P | “U” channel magnet track for use with BLMSC series forcers; 112 mm long |
| MTSC128P | "U" channel magnet track for use with BLMSC-series forcers; 128 mm long |
| MTSC144P | “U” channel magnet track for use with BLMSC series forcers; 144 mm long |
| MTSC160P | "U" channel magnet track for use with BLMSC-series forcers; 160 mm long |
| MTSC192P | "U" channel magnet track for use with BLMSC-series forcers; 192 mm long |
| MTSC224P | "U" channel magnet track for use with BLMSC-series forcers; 224 mm long |
| MTSC256P | "U" channel magnet track for use with BLMSC-series forcers; 256 mm long |
| MTSC288P | "U" channel magnet track for use with BLMSC-series forcers; 288 mm long |
| MTSC352P | "U" channel magnet track for use with BLMSC-series forcers; 352 mm long |
| MTSC400P | “U” channel magnet track for use with BLMSC series forcers; 400 mm long |
| MTSC416P | "U" channel magnet track for use with BLMSC-series forcers; 416 mm long |
| MTSCxP | "U" channel magnet track for use with BLMSC-series forcers; custom length |
Notes:
- Magnet tracks are ordered as separate line items. Magnet track part numbers ending with “P” are high performance grade, including magnets on both sides of the track.
Integration (Required)
Aerotech offers both standard and custom integration services to help you get your system fully operational as quickly as possible. The following standard integration options are available for this system. Please consult Aerotech if you are unsure what level of integration is required, or if you desire custom integration support with your system.
| Option | Description |
|---|---|
| -TAS | Integration - Test as system Testing, integration, and documentation of a group of components as a complete system that will be used together (ex: drive, controller, and stage). This includes parameter file generation, system tuning, and documentation of the system configuration. |
| -TAC | Integration - Test as components Testing and integration of individual items as discrete components that ship together. This is typically used for spare parts, replacement parts, or items that will not be used together. These components may or may not be part of a larger system. |
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