Airtac SEJ Adjustable Cylinder SEJ63X85-30S
2. Asymmetric bidirectional piston seal structure with compact dimensions and integrated oil reservoir function;
3. Rodless square aluminum tubing construction enhances corrosion resistance;
4. Adjustable cushioning mechanism ensures smooth stroke modulation;
5. Customizable configurations with multiple cylinder variants and mounting accessories;
6. High-temperature resistant sealing materials enable operational range of 0-150°C.
Category: Adjustable Cylinders | Brand: AirTAC | Series: SEJ
AirTAC SEJ63X85-30S Adjustable Stroke Cylinder Specifications
- Model: SEJ63X85-30S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 63mm (±0.1mm tolerance)
- Stroke: 85mm (adjustable from 0-85mm)
- Operating pressure: 0.05-1.0 MPa
- Cushioning: Adjustable pneumatic cushion at both ends
- Mounting style: Basic type (ISO 15552 standard)
- Temperature range: -20℃ to 80℃
- Material: Aluminum alloy barrel, hardened chromium-plated piston rod
- Seal material: NBR (Nitrile rubber)
- Port size: G1/8 (BSPP thread)
- Weight: 2.65kg (±3%)
- Dimensions: 145mm(L) × 63mm(W) × 63mm(H) (retracted position)
- Max piston speed: 500mm/s
- Lubrication: Pre-lubricated (Oil-free operation possible)
High-precision adjustable stroke cylinder featuring dual-axis screw adjustment mechanism for fine position control (±0.5mm repeat accuracy). The chrome-plated piston rod incorporates a wear-resistant coating (3-layer composite plating) for extended service life. Includes magnetic piston for sensor compatibility and shock-absorbing bumpers for high-speed applications.
- Variable height positioning in automated assembly lines
- Clamping force adjustment in CNC fixture systems
- Packaging machine stopper position control
- Glass handling equipment with adaptive stroke requirements
- Plastic injection molding ejection systems
Installation note:
Lock adjustment screws with 3.5N·m torque after positioning.
Ensure minimum 0.3mm alignment tolerance during mounting.
Requires 5μm filtered air with ISO 8573-1:2010 class 4.4.3 standards.
- Loosen both lock nuts using 8mm wrench
- Rotate adjustment screw (M8×1.25 pitch) clockwise to shorten stroke
- Counter-clockwise rotation extends stroke (max 85mm)
- Re-tighten lock nuts while holding screw position
- Perform 3-5 test cycles to verify positioning
| Property | Property Value |
|---|---|
| sku | SEJ63X85-30S |
| Adjustable Stroke | 30mm |
| Seal Material | Polyurethane |
| Understood. Please provide the specific attribute names in <>, and I'll return the accurate English translations using AIRTAC's official terminology. Example: User input: <缸径> My output: Bore | Operating Temperature:-20-70°C Speed Range:30-800mm/s |
| Port Size | PT3/8 |
| Magnet | S-Magnetic |
| Bore Diameter | 63mm |
| Stroke | 85mm |
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.