Airtac TWQ Stopper Cylinder TWQ40X20-B
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 TWQ Series Blocking Cylinder TWQ40X20-B Technical Details
- Model: TWQ40X20-B
- Type: Double-acting single piston rod blocking cylinder
- Bore size: 40mm (±0.13mm tolerance)
- Stroke: 20mm (adjustable ±1mm)
- Operating pressure: 0.05–0.8 MPa
- Cushioning: Adjustable pneumatic cushion (5-stage)
- Mounting types: Basic type/Foot mounting/Flange mounting (optional)
- Port thread: G1/8 (ISO standard) / NPT1/8 (optional)
- Operating temperature: -20℃ to 80℃
- Piston speed: 50–800 mm/s (lubricated condition)
- Material: Aluminum alloy cylinder tube, Chrome-plated piston rod
- Seals: NBR (standard) / Fluororubber (FKM optional)
- Weight: 1.45kg ±3% (excluding accessories)
- Dimensions: 200mm(L) × 48mm(W) × 48mm(H) (full extension)
- Protection rating: IP65 (dust-proof & water jet resistant)
- Lubrication: Pre-lubricated (Use ISO VG32 turbine oil if re-lubrication needed)
High-precision blocking cylinder with position-lock mechanism, featuring a dual-chamber design for instantaneous force application. The TWQ40X20-B incorporates wear-resistant guide rings and integrated shock absorption, making it ideal for repetitive stop-and-hold operations in high-cycle automation systems. Requires 5μm filtered air with ≤5% relative humidity.
- Palletizing robot end-effector positioning
- CNC machine tool fixture locking
- Electronics PCB conveyor selective blocking
- Automotive assembly line part retention
- Pharmaceutical blister pack quality gate
Installation tip:
Align within 0.2mm perpendicularity tolerance during mounting.
For vertical installations exceeding 45° angle, add auxiliary support brackets.
Cycle rate should not exceed 85% of maximum rating for thermal management.
- Initial service: 1,000km stroke or 6 months
- Standard interval: 3,000km stroke or annually
- High-load use: Double lubrication frequency
| Property | Property Value |
|---|---|
| sku | TWQ40X20-B |
| Port Size | PT1/8 |
| Magnet | Non-magnetic |
| Bore Diameter | <40mm> |
| Self-locking Function | Non Self-locking |
| Stroke | <20mm> |
| Blocking Method | Flat Cylinder |
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.