Airtac TWQ Stopper Cylinder TWQ40X20R
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 TWQ40X20R Stopper Cylinder Technical Details
- Model: TWQ40X20R
- Series: TWQ Compact Stopper Series
- Bore size: 40mm
- Stroke: 20mm
- Action type: Double-acting with spring return
- Operating pressure: 0.1–0.8 MPa
- Mounting style: Standard foot mount (MF1) / Front flange (optional)
- Cushioning: Adjustable pneumatic cushion
- Material: Aluminum alloy body (hard anodized)
- Rod material: Chrome-plated steel
- Seal type: NBR seals (standard) / PU optional
- Temperature range: -20℃ to 80℃
- Weight: 2.3kg ±5%
- Dimensions: 160mm(L) × 40mm(Bore diameter) × 80mm(Mounting face width)
- Port size: M5x0.8 (standard) / NPT1/8 optional
- Rod thread: M10x1.25
- Max thrust: 490N @0.6MPa
- Repeat accuracy: ±0.5mm
- ISO certification: 6431 compliant
High-precision stopper cylinder with integrated shock absorption, designed for precision positioning and workpiece retention in automated systems. Features dual-position magnetic sensor slots (G1/8) for position feedback and hardened guide bushings for anti-rotation stability. Maintenance-free design with 3,000km+ service life under normal conditions.
- Conveyor line pallet stopping mechanisms
- CNC machine tool workpiece clamping
- Robotic welding fixture positioning
- Automotive assembly line part retention
- Packaging machine product alignment systems
Installation guidelines:
Lubricate with ISO VG32 hydraulic oil before initial use.
Maintain 0.5mm minimum clearance between stopper rod end and workpiece.
Use locking nuts (included) for sensor mounting. Not suitable for side-load applications exceeding 50N.
| Property | Property Value |
|---|---|
| sku | TWQ40X20R |
| Port Size | PT1/8 |
| Magnet | Non-magnetic |
| Bore Diameter | <40mm> |
| Self-locking Function | Non Self-locking |
| Stroke | <20mm> |
| Blocking Method | 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.