Airtac MDJ Adjustable Cylinder MDJ25X40-30
AirTAC MDJ Adjustable Cushioning Cylinder MDJ25X40-30 Technical Details
- Model Code Breakdown: MDJ25X40-30 = 25mm bore × 40mm stroke × M30x1.5 mounting thread
- Bore Size: 25mm (±0.1mm manufacturing tolerance)
- Stroke: 40mm (fixed stroke with adjustable cushioning)
- Operating Pressure: 0.05-1.0 MPa (1.5-145 PSI)
- Temperature Range: -20℃ to 80℃ (NBR seals)/-10℃ to 60℃ (optional FKM seals)
- Cushioning Type: Adjustable needle valve at both ends (360° rotation)
- Mounting: Front flange with M30x1.5 threaded base
- Port Size: G1/8 (BSPP) or NPT1/8 optional
- Piston Material: Hard anodized aluminum alloy
- Rod Material: Chrome-plated steel (Cr equivalent ≥0.8μm)
- Weight: 680g ±2% (without accessories)
- Dimensions:
- Total Length (L): 151mm (stroke 40mm + cylinder body)
- Body Diameter (W): 32mm (max outer dimension)
- Height (H): 48mm (including mounting protrusions)
- ISO Standard: Compliant with ISO 6432 (8mm-25mm bore series)
- Lubrication: Pre-lubricated (DOP mist lubrication recommended)
Double-acting pneumatic cylinder featuring precision-machined aluminum construction with dual adjustable pneumatic cushions. The 25mm bore version delivers 123N thrust at 0.6MPa (87psi), making it ideal for medium-force applications. Unique 4-slot cushion needle design allows micro-adjustment of deceleration across full 360° rotation. Includes built-in auto anti-rotation mechanism for stable rod extension.
- Precision stop positioning in CNC loader/unloader systems
- Clamping force control in semiconductor wafer handling
- Variable pressure deburring tools in automotive parts manufacturing
- Adjustable tensioning devices in packaging line conveyors
- Medical device assembly with controlled soft-stop requirements
Installation Tip:
For optimal cushioning performance, adjust screws in 90° increments during commissioning.
Maintain 0.5-1mm gap between cushion sleeve and end cover. Lubricate every 500km stroke
travel or 6 months in clean environments.
| Property | Property Value |
|---|---|
| sku | MDJ25X40-30 |
| Adjustable Stroke | 30mm |
| 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°C to 70°C Speed Range: 30 to 500 mm/s |
| Port Size | M5×0.8 |
| Magnet | Non-magnetic |
| Cushion Type | Bumper Pad |
| Bore Diameter | <25 mm> |
| Stroke | <40mm> |
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.