Airtac MBL Aluminum Alloy Mini Cylinder MBL32X15U
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL32X15U is a genuine double-acting aluminum-barrel mini round cylinder with a Ø32mm bore and 15mm 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
- Stroke15 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBL Aluminum Alloy Mini Cylinder MBL32X15U
The AirTAC MBL32X15U is a double-acting aluminum mini round cylinder built for extremely short-stroke clamping in confined machine envelopes. Delivering 402 N of push force and 346 N of pull force at 0.5 MPa, this 32 mm bore, 15 mm stroke unit is engineered for rapid, light-duty actuation. The U flat-end back cover provides a rigid, fixed rear mounting face, ensuring the body stays square to the tooling during high-frequency, short-hop cycles.
Unlike tie-rod bodies that unbolt for maintenance, the MBL barrel is permanently riveted to its front and back covers, yielding a lighter, compact footprint that resists industrial vibration. Internal longevity relies on a heterogeneous two-way piston seal that retains grease, while the Ø12 mm carbon-steel rod features 20 µm hard-chrome plating to resist scoring and corrosion. Note that this specific SKU lacks the -S magnet suffix, so it cannot accept a CMSG, DMSG, or EMSG position sensor switch.
Airtac MBL Aluminum Alloy Mini Cylinder MBL32X15U Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL32X15U |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø32 mm |
| Stroke | 15 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 MBL Aluminum Alloy Mini Cylinder MBL32X15U
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 32 | Bore size in mm. |
| ×15 | 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 MBL Aluminum Alloy Mini Cylinder MBL32X15U Is Used
PCB Router Spindle Clamp
Handles the secondary tool-locking lever on a 402 N printed circuit board routing spindle, using the 15 mm stroke to secure the collet in tight machine enclosures.
Semiconductor Test Socket
Actuates the mechanical locking pin on an IC test handler with 346 N pull force, fitting easily between high-density test heads without fouling wiring.
Tray Stacker Stopper
Provides a 15 mm hard stop for advancing component trays in a packaging line, relying on the rigid U flat-end rear to absorb repeated 0.5 MPa impacts.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL32X15U the Right Cylinder?
To size this actuator accurately, consider stepping down to the 25 mm bore (245 N push @0.5 MPa) for lighter micro-clamping, or up to the 40 mm bore (628 N push @0.5 MPa) if your mechanism requires greater rigging power. The fixed rubber bumper on this base MBL softens end-of-stroke impact but is not an adjustable cushion; if your short-stroke cycle carries a heavy moving mass, switch to the MBLC variant for adjustable air cushioning. Because this is a double-acting cylinder, it will not hold a load if air pressure is lost or the valve is centered—add an external pilot-operated check valve if position retention is required.
When matching this for replacement, verify the 32 mm bore, 15 mm stroke, G1/8 port size, PT tapered thread form, U flat-end back cover, and the absence of a magnet. The very short 15 mm stroke keeps the rod highly supported, minimizing bending moments, but the Ø12 mm rod still has low side-load tolerance if lateral forces are applied during extension.
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 MBL Aluminum Alloy Mini Cylinder MBL32X15U FAQ
At 0.5 MPa the push force is 402 N and the pull force is 346 N. At 0.7 MPa the push force is 563 N. The maximum theoretical force is 82 kgf at 1.0 MPa.
No, this specific SKU lacks the -S suffix, meaning it has no internal magnet and cannot accept CMSG, DMSG, or EMSG sensor switches. You must order an MBL32X15SU variant for position feedback.
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