Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X125CA
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X125CA is a genuine double-acting aluminum-barrel mini round cylinder with a Ø63mm bore and 125mm 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
- Stroke125 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 MBLC63X125CA
The AirTAC MBLC63X125CA is a double-acting aluminum mini cylinder featuring a 63 mm bore and 125 mm stroke, engineered to deliver 1558 N of push force at 0.5 MPa. It utilizes a screw-adjustable pneumatic cushion at both stroke ends rather than a fixed rubber bumper, allowing you to fine-tune the end-of-stroke deceleration. This significantly dampens impact and vibration when moving heavier masses at high cycling speeds. The riveted rolling-packed aluminum barrel keeps the body compact and lightweight for tight machinery spaces.
This specific SKU includes a CA pivot clevis back cover that swings on a pin to accommodate arcing or angular loads, preventing rod binding. It relies on a heterogeneous two-way grease-retaining piston seal and a 20 µm hard-chrome plated carbon-steel rod for low-friction durability. Because this configuration lacks the -S magnet suffix, it cannot support CMSG, DMSG, or EMSG position sensors. Note that the adjustable cushion only decelerates the piston near the ends; it is not a locking mechanism and will not hold the load if air pressure is lost.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X125CA Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X125CA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø63 mm |
| Stroke | 125 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 MBLC63X125CA
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 63 | Bore size in mm. |
| ×125 | 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 MBLC63X125CA Is Used
Pallet Diverters
Provides the 1558 N push force needed to deflect heavy loaded pallets on a packaging line, using the CA clevis to accommodate the pivot arc during the stroke.
Press Ejection
Kicks stamped metal parts out of a hydraulic press, relying on the adjustable air cushion to brake the 125 mm extension smoothly and protect the end cover from impact.
Heavy Tray Indexing
Shifts substantial product trays into a labeling station, where the tunable needle decelerates the 63 mm bore safely at fast cycle rates without jarring the load.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X125CA the Right Cylinder?
Stepping down to the 50 mm bore drops the 0.5 MPa push force to 981 N, while no larger standard MBL bore exists above 63 mm. Select this 63 mm model over the base MBL when your application runs at high speeds or shifts heavy payloads that would prematurely wear out a fixed rubber bumper. The 125 mm stroke is well within standard limits, but with a Ø16 mm rod you must manage side-load tolerance—use the CA pivot bracket to absorb angular misalignment or add an external guide rail to prevent rod bending. For exact replacements, match the 63 mm bore, 125 mm stroke, G1/4 port, PT thread, CA pivot cover, and confirm no magnet is required.
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 MBLC63X125CA FAQ
At 0.5 MPa this 63 mm bore cylinder generates 1558 N of push force and 1457 N of pull force. At 0.7 MPa the push increases to 2181 N, with a maximum theoretical limit of 318 kgf at 1.0 MPa.
The screw-adjustable air cushion at both ends traps exhaust air to decelerate the piston smoothly near the stroke limits, which is ideal for heavy loads. It is strictly a speed damper, not a brake, and will not hold the rod in place if air is exhausted or the valve centers.
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