Description
🔧 Mitsubishi LM-FS50-1WW0 (FS50 secondary) – Description
The LM-FS50-1WW0 refers to the secondary side (magnet track) of a Mitsubishi Electric LM-F Series linear servo motor system.
It works together with the LM-FP series primary coil (like LM-FP5H-60M-1WWO) to form a complete linear motor axis for CNC machines.
⚙️ Key Description
- Series: LM-F Linear Servo Motor
- Part type: Secondary side (magnet rail / magnet plate)
- Function: Provides the magnetic field required for linear motion
- Application: CNC machine tool feed axes (X/Y/Z), high-speed precision positioning systems
- Matching part: LM-FP5H / LM-FP series primary coils
🧲 Functional Role
- Contains permanent magnets arranged in a precision pitch pattern
- Works with the coil (primary side) to generate direct linear thrust
- Eliminates mechanical transmission like:
- Ball screw
- Couplings
- Gear systems
This results in:
- Zero backlash
- Very smooth motion
- High acceleration and precision
📊 System Characteristics (LM-FS50 class)
From Mitsubishi LM-F system specifications:
- Maximum thrust (system): up to ~18,000 N
- Rated thrust (liquid cooled): ~6,000 N
- Maximum speed: ~2.0 m/s
- Magnetic attraction force: ~45,000 N (very strong)
🧩 Mechanical Details
For FS50 series secondary units (like 480 / 576 length variants):
- Construction: Epoxy-encapsulated magnet blocks
- Module pitch: 96 mm segment structure
- Length options: e.g. 480 mm, 576 mm modules
- Mounting: Bolt-mounted to machine bed
- Important: Requires precise alignment to avoid thrust ripple
⚠️ Important Handling Notes
- Extremely strong permanent magnets → high attraction force to steel
- Must be handled carefully during installation
- Keep away from loose ferrous tools or chips
- Requires rigid, precision-ground mounting surface
- Safety risk if secondary and ferrous materials come close suddenly
🏭 Typical Applications
The LM-FS50-1WW0 secondary is used in:
- CNC high-speed machining centers (linear axes)
- Semiconductor / precision positioning systems
- Grinding machines requiring ultra-smooth feed
- High-dynamic automation equipment
⚠️ Summary
The LM-FS50-1WW0 is not a motor by itself—it is the magnet track part of a linear motor system.
When combined with LM-FP5H-60M-1WWO (coil/primary), it creates:
- Direct-drive motion system
- No backlash
- Extremely high acceleration
- High precision CNC axis control