Airtac LGC Series Cross Roller Guide Rail LGC1A20R7-H
Category: Linear Guides , Brand: AirTAC , Series: LGC
AirTAC LGC Crossed Roller Guide LGC1A20R7-H Technical Specifications
- Model: LGC1A20R7-H
- Series: Precision Crossed Roller Guide
- Rail width: 20mm
- Roller diameter: φ3.5mm (high-density chromium steel)
- Preload class: H-grade (medium preload)
- Dynamic load capacity: 12.5kN
- Static load capacity: 24.8kN
- Accuracy grade: P5 (≤5μm/100mm running parallelism)
- Standard rail length options: 300/500/1000/1500mm (customizable)
- Carriage dimensions: 76mm(L) × 34mm(W) × 23mm(H)
- Weight per 100mm rail: 0.68kg
- Mounting hole pattern: M5×8 counterbored, 40mm pitch
- Surface treatment: Black oxide coating (Fe3O4)
- Operating temperature: -15℃ to 80℃
- Lubrication: Pre-packed grease (relubrication interval: 1000km)
Ultra-precision linear motion system featuring crossed cylindrical rollers arranged at 90° angles, delivering exceptional stiffness and minimal elastic deformation under multi-directional loads. The optimized roller recirculation design ensures smooth motion with ≤0.003mm/m repeatability. Includes integrated wipers and grease ports for maintenance.
- High-speed CNC grinding machine Z-axis guidance
- Semiconductor wafer handling robots
- Coordinate measuring machine (CMM) stages
- Precision optical alignment systems
- Lithography equipment positioning
Installation guidelines:
Mount on ground reference surfaces with flatness ≤0.01mm/m.
Use 4.2Nm torque for M5 mounting screws with Loctite 243.
Avoid welding sparks and grinding debris contamination.
| Property | Property Value |
|---|---|
| sku | LGC1A20R7-H |
| Roller Outer Diameter | 1.5mm |
| Type | Three-column |
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.