Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X450U
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X450U is a genuine double-acting aluminum-barrel mini round cylinder with a Ø40mm bore and 450mm stroke, G1/4 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
- BoreØ40 mm
- Stroke450 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X450U
The AirTAC MBLC40X450U is a double-acting aluminum mini cylinder engineered for a 450 mm stroke, delivering 628 N of push force and 528 N of pull force at 0.5 MPa. Driven by air through a G1/4 port, it uses a Ø16 mm carbon-steel rod with a 20 µm hard-chrome plating to resist wear and corrosion. This specific configuration features a U flat-end back cover for rigid rear mounting and lacks a built-in magnet, meaning it cannot support CMSG, DMSG, or EMSG position sensors.
Unlike the base MBL which relies on a fixed rubber bumper, this MBLC variant features a screw-adjustable pneumatic air cushion at both stroke ends. Tuning the needle decelerates the piston smoothly near the end of its 450 mm travel, absorbing kinetic energy to protect the end covers on faster or heavier moves. The riveted rolling-packed aluminum barrel keeps the body compact and lightweight, while the heterogeneous two-way grease-retaining piston seal ensures consistent lubrication over long, high-frequency cycles.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X450U Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X450U |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø40 mm |
| Stroke | 450 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Rubber bumper (MBLC variant: adjustable air cushion) |
| Max stroke | Up to 500 mm |
Specifications follow the official AirTAC MBL series datasheet. Confirm against the product label before installation. Standard stroke to 500 mm (special order to 800 mm). Thread options: PT / G / NPT.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X450U
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 40 | Bore size in mm. |
| ×450 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: MBLC (adjustable cushion), MBLD (double rod), MBLJ (adjustable stroke), MSBL/MTBL (single acting).
Where the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X450U Is Used
CNC Pallet Changer
Drives a 450 mm stroke to index heavy machining pallets, using the adjustable cushion to halt the 628 N load smoothly without shocking the machine table.
Carton Push-off Assembly
Rejects filled cartons at the end of a packaging line, relying on the 528 N pull force to retract the 450 mm rod rapidly while the cushion prevents end-cover slam.
Vertical Lift Gate
Actuates a 450 mm material lift gate in tight cabinet spaces, where the compact riveted aluminum barrel saves footprint and the cushion controls the descent speed.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X450U the Right Cylinder?
At 450 mm of stroke, the Ø16 mm rod is highly susceptible to bending under side loads; for this length you must use an external guide rail, a pivot mount, or switch to an MBLD double-rod cylinder to prevent premature seal failure. If 628 N of push force at 0.5 MPa is insufficient, step up to the Ø50 bore (which yields 981 N); if it is excessive, step down to the Ø32 bore (which yields 402 N). Choose this MBLC over the standard MBL when your cycle speeds or moved masses exceed what a fixed rubber bumper can safely absorb. Remember that the adjustable air cushion only decelerates the piston near the ends—it is not a brake, and the rod will drift if air pressure is lost or the valve centers.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (LB / FA / SDB) and back cover (CA pivot / U flat-end).
- check Installation by qualified personnel per AirTAC docs.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X450U FAQ
This 40 mm bore cylinder uses a G1/4 port and a Ø16 mm rod with an M12x1.25 end thread. At 0.5 MPa it provides 628 N push and 528 N pull. At 0.7 MPa it provides 880 N push and 739 N pull. The maximum theoretical force is 128 kgf at 1.0 MPa.
A screw-tunable needle at both ends restricts exhaust air to decelerate the piston smoothly near the 450 mm stroke limits, protecting the end covers from impact. It is strictly a deceleration device, not a load lock; without live air pressure, the rod will drift or drop.
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Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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