Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X450SU
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X450SU is a genuine double-acting aluminum-barrel mini round cylinder with a Ø63mm 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.
- BoreØ63 mm
- Stroke450 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM14×1.5
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X450SU
The AirTAC MBLC63X450SU is a double-acting aluminum mini cylinder featuring a 63 mm bore and 450 mm stroke. It delivers a robust 1558 N push force at 0.5 MPa, utilizing air pressure for both extension and retraction. This model incorporates a built-in magnet (-S) for compatibility with AirTAC CMSG, DMSG, and EMSG sensor switches to track rod position, and uses a rigid U flat-end back cover.
Unlike the base MBL which relies on a fixed rubber bumper, this MBLC variant features a screw-adjustable pneumatic air cushion at both ends. This mechanism allows you to tune the end-of-stroke deceleration to match heavy fast-moving loads, significantly reducing impact shock on the end covers. The body utilizes a riveted rolling-packed aluminum barrel for a compact footprint, while the Ø16 carbon-steel rod features 20 µm hard-chrome plating paired with a heterogeneous two-way grease-retaining piston seal.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X450SU Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X450SU |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø63 mm |
| Stroke | 450 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M14×1.5 |
| 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1458 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 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 MBLC63X450SU
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 63 | 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 MBLC63X450SU Is Used
Pallet Transfer Pusher
Drives heavy pallets off a roller conveyor using its 1558 N push force at 0.5 MPa, relying on the adjustable cushion to halt the 450 mm stroke without slamming the end cover.
Injection Mold Ejection
Ejects large molded plastic parts from a press, using the -S magnet and DMSG electronic sensor to verify full ejection before the mold closes.
Warehouse Sortation Arm
Actuates a heavy diverter arm in a high-speed logistics hub, where the tunable air cushion absorbs the kinetic energy of the long-stroke swing.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X450SU the Right Cylinder?
At 0.5 MPa, this 63 mm bore generates 1558 N push and 1457 N pull. If your application requires less force, stepping down to the 50 mm bore yields 981 N push, whereas moving up is not possible as 63 mm is the largest available size in this series. Choose the MBLC over the standard MBL when your cycle speeds or moving masses are high enough that a fixed rubber bumper would wear out or cause damaging impact vibration.
The 450 mm stroke is substantial for a Ø16 rod, making it highly susceptible to side-load and rod bending under offset loads. To manage this, implement an external linear guide, use a pivot mounting accessory like an SDB bracket, or switch to an MBLD double-rod cylinder. Note that the adjustable air cushion only decelerates the piston near the stroke ends; it is not a brake and will not hold the load if air supply 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 MBLC63X450SU FAQ
The MBLC63X450SU provides 1558 N push and 1457 N pull at 0.5 MPa, 2181 N push at 0.7 MPa, and a maximum theoretical output of 318 kgf at 1.0 MPa. It uses a G1/4 port, a Ø16 mm rod, and an M14x1.5 rod-end thread.
A screw needle at each end of the cylinder traps a pocket of exhaust air, decelerating the piston smoothly before it hits the end cover. You tune this needle to match your load and speed, which is critical for a 450 mm stroke, replacing the harsh fixed rubber bumper found on the standard MBL.
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