Airtac TWQ Stopper Cylinder TWQ40X20SKF
1. Compliant with JIS standards;
2. Reinforced piston rod design effectively enhances impact resistance;
3. Fixed mounting height with multiple rod end configurations. Hydraulic shock absorber option delivers superior cushioning performance;
4. Lever-type roller mechanism incorporates self-locking device to prevent rebound pushback from blocked objects;
5. Comprehensive series and specifications available for diverse application needs.
Category: Stopper Cylinder | Brand: AIRTAC | Series: TWQ
AirTAC TWQ40X20SKF Stopper Cylinder Specifications
- Model: TWQ40X20SKF
- Type: Compact profile double-acting stopper cylinder
- Bore size: 40mm
- Stroke: 20mm (±1mm tolerance)
- Operating pressure: 0.1–0.8 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable rubber bumper (front/rear)
- Mounting style: Basic type (axial mounting holes)
- Port size: M5x0.8 (dual ports)
- Repeat positioning accuracy: ±0.5mm
- Piston material: Aluminum alloy with hard anodizing
- Rod material: Stainless steel SUS304
- Seal material: NBR (nitrile rubber)
- Weight: 0.68kg (without accessories)
- Dimensions:
- Length: 133mm (full retracted)
- Width: 48mm (body diameter)
- Height: 48mm (mounting base to rod end)
- Protection rating: IP54 (standard seals)
- Optional features: Magnetic switch groove (no sensor included)
High-precision stopper cylinder with anti-rotation design, featuring a hexagonal rod to prevent workpiece slippage during positioning. The TWQ series employs a double-lip rod seal for enhanced dust resistance in harsh environments. Requires 5μm filtered air with ISO 8573-1:2010 class 3.2.4 air quality.
- Workpiece positioning in conveyor systems
- Precision stopping mechanism for CNC loading/unloading
- Pallet locking in automated assembly lines
- Cartesian robot end-effector positioning
- Electronics PCB fixture alignment
Installation note:
Apply Loctite 243 to mounting screws (M5x0.8, 12mm length recommended).
Lubricate with ISO VG32 hydraulic oil during maintenance. Avoid side load exceeding 15N.
| Property | Property Value |
|---|---|
| sku | TWQ40X20SKF |
| Port Size | PT1/8 |
| Magnet | S-Magnetic |
| Bore Diameter | <40mm> |
| Self-locking Function | Self-locking |
| Stroke | <20mm> |
| Blocking Method | Lever Roller Type |
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.