AirTAC SAIJ63X20-20S Adjustable Stroke Air Cylinder Specifications

• Model: SAIJ63X20-20S
• Type: Single rod adjustable stroke cylinder (double-acting)
• Bore size: Ø63 mm
• Stroke: 20 mm (adjustable via built-in stroke limiter)
• Operating pressure: 0.05–1.0 MPa
• Temperature range: -20℃ to 80℃
• Cushion type: Rubber buffer + adjustable screw
• Port size: M5x0.8 (standard) or NPT1/8 (optional)
• Mounting style: Basic type (axial mounting holes)
• Rod end thread: M12x1.25
• Seal material: NBR (Nitrile rubber)
• Weight: 2.8 kg ±5%
• Dimensions (L×W×H):
  • Total length (retracted): 198 mm
  • Body diameter: Ø63 mm
  • Mounting base: 100×100 mm square pattern
  • Rod extension: +20 mm at full stroke
• Protection rating: IP40 (dust protected)
• Lubrication requirement: Pre-lubricated (use ISO VG32 turbine oil if maintained)

Precision adjustable pneumatic cylinder featuring a micro-stroke adjustment mechanism (±1mm precision) with locknut-secured positioning. The anodized aluminum construction provides corrosion resistance in humid environments. Integrated shock absorption prevents piston impact at stroke ends, making it suitable for high-cycle applications.

Typical Applications:

• Precision clamping fixtures in CNC machining centers
• Position control in semiconductor wafer handling robots
• Feed stop mechanisms in packaging lines
• Gate positioning in injection molding machines
• Tool height adjustment in automated assembly systems

Installation guidelines: For optimal performance, maintain 0.3-0.6 MPa operating pressure during adjustment. Use anti-vibration washers when mounting on aluminum frames. Lubricate guide shafts every 500,000 cycles in continuous operation environments.

Critical note: Do NOT exceed maximum side load capacity of 35N. Always engage stroke adjustment locknut after positioning to prevent operational drift. Allow 2mm clearance behind cylinder for full rod retraction.