Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X25CA
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X25CA is a genuine double-acting aluminum-barrel mini round cylinder with a Ø63mm bore and 25mm 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
- Stroke25 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 MBLC63X25CA
The AirTAC MBLC63X25CA is a compact double-acting aluminum mini cylinder engineered for short, powerful linear motion. It generates 1558 N of push force and 1457 N of pull force at 0.5 MPa, making this 25 mm stroke variant ideal for high-impact clamping or ejecting tasks in tight machinery. Unlike the base MBL series, this MBLC model features a screw-adjustable pneumatic air cushion at both ends to decelerate the piston smoothly near the stroke limits, minimizing end-cover impact and vibration.
This specific SKU is configured with a CA pivot back cover that swings on a pin to accommodate arcing or angular loads, a critical requirement when the cylinder cannot be perfectly aligned. The 63 mm bore utilizes a robust Ø16 mm carbon-steel rod with 20 µm hard-chrome plating, sealed by a heterogeneous two-way grease-retaining piston seal. Note that because this configuration lacks the -S suffix, it is built without a magnet and cannot host a CMSG, DMSG, or EMSG position sensor.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X25CA Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X25CA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø63 mm |
| Stroke | 25 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 MBLC63X25CA
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 63 | Bore size in mm. |
| ×25 | 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 MBLC63X25CA Is Used
Injection Mold Ejection
Provides 1558 N of force to eject dense plastic parts from tight mold cavities, using the adjustable cushion to soften the 25 mm end-of-stroke impact and protect the mold face.
Heavy Pallet Diverter
Swings via the CA pivot bracket to knock heavy pallets onto a secondary packaging line, absorbing angular load variations while maintaining compact spacing.
Hydraulic Press Loader
Feeds thick steel blanks into a hydraulic press, relying on the hard-chrome Ø16 mm rod and tunable air cushion to handle rapid, repetitive loading without bouncing.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X25CA the Right Cylinder?
When sizing this actuator, step down to the 50 mm bore if you need to reduce footprint and can accept 981 N of push force at 0.5 MPa, or step up if your application exceeds the 63 mm bore's 1558 N capability. Choose the MBLC over the fixed-bumper MBL when cycling heavier masses at high speeds where a rubber bumper would degrade rapidly. As a direct replacement, match the 63 mm bore, 25 mm stroke, G1/4 port, PT thread form, CA pivot cover, and confirm no magnet is required. Because the stroke is only 25 mm, side-load bending is minimal, but the CA clevis is specifically intended to absorb mounting misalignment rather than rigidly locking the body.
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 MBLC63X25CA FAQ
At 0.5 MPa, this 63 mm bore cylinder provides 1558 N of push force and 1457 N of pull force. At 0.7 MPa, the push force increases to 2181 N. The theoretical maximum force is 318 kgf at 1.0 MPa.
The cushion is a screw-tunable needle valve at both ends that traps exhaust air to decelerate the piston before it hits the end cover. You tune it to match the load and speed, which cuts noise and impact on fast, heavy moves. It only decelerates near the stroke ends and does not lock or hold the rod position.
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