Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC32X25SU
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC32X25SU is a genuine double-acting aluminum-barrel mini round cylinder with a Ø32mm bore and 25mm stroke, G1/8 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
- BoreØ32 mm
- Stroke25 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC32X25SU
The AirTAC MBLC32X25SU is a double-acting, aluminum-barrel mini cylinder engineered for compact actuation where precise end-of-stroke control is essential. It delivers a robust 402 N push force and 346 N pull force at 0.5 MPa, utilizing a 32 mm bore and a short 25 mm stroke ideal for tight-space clamping. The built-in magnet (-S) enables direct integration with AirTAC CMSG, DMSG, and EMSG sensor switches for exact position detection.
Unlike the base MBL series, this MBLC variant features a screw-adjustable pneumatic air cushion at both ends, smoothly decelerating the piston to protect the U flat-end back cover and surrounding mechanics during rapid cycling. The riveted rolling-packed aluminum barrel keeps the body light and compact, while the 20 µm hard-chrome plating on the carbon-steel rod defends against wear. Remember that the cushion only decelerates near the stroke ends; it is not a load lock.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC32X25SU Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC32X25SU |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø32 mm |
| Stroke | 25 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 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 MBLC32X25SU
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 32 | 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 MBLC32X25SU Is Used
PCB Router Spindle Clamp
Uses the 25 mm stroke and 402 N force to secure a printed circuit board routing spindle, relying on the adjustable cushion to dampen the rapid 25 mm retraction without shocking the Z-axis carriage.
Semiconductor Socket Test
Applies 346 N of pull force to actuate an IC test socket, using the -S magnet and a DMSG electronic switch to verify the exact 25 mm insertion depth within milliseconds.
Carton Flap Tucker
Tucks small packaging flaps at high frequency, where the tunable air cushion prevents the piston from slamming the flat U back cover during continuous 30-800 mm/s operation.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC32X25SU the Right Cylinder?
At 0.5 MPa, this 32 mm bore generates 402 N of push force. If your assembly requires less force, stepping down to the 25 mm bore yields 245 N push, whereas moving up to the 40 mm bore provides 628 N for heavier payloads. Choose this MBLC model over the fixed-bumper MBL when your cycle rates are high and the moving mass demands tunable deceleration to prevent end-cover impact. For position holding without continuous air supply, note that you will need an external rod lock, as exhausting the cylinder allows the rod to drift. This configuration uses a standard PT port thread, a G1/8 port, and a rigid U flat-end back cover.
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 MBLC32X25SU FAQ
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 346 N of pull force. At 0.7 MPa, push increases to 563 N. The maximum theoretical force is 82 kgf at 1.0 MPa.
You tune the cushion by turning a needle screw at each end. It traps and bleeds exhaust air to decelerate the piston near the stroke ends, reducing impact and noise on fast moves. It is a deceleration device, not a mechanical brake or load lock.
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