Airtac MBL Aluminum Alloy Mini Cylinder MBL32X15SU
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL32X15SU 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 MBL32X15SU
The AirTAC MBL32X15SU is a compact double-acting aluminum mini round cylinder engineered for tight machine spaces. Generating 402 N of push force and 346 N of pull force at 0.5 MPa, this 32 mm bore, 15 mm stroke unit is purpose-built for short, high-force movements. The integrated -S magnet enables precise rod position detection using AirTAC CMSG, DMSG, or EMSG sensor switches, ensuring reliable feedback in automated sequences.
Unlike tie-rod bodies, the MBL features a riveted rolling-packed aluminum barrel that permanently crimps the front and rear covers to the tube for a lightweight, space-saving profile. The U flat-end back cover provides a rigid, fixed rear mounting surface. Internally, a heterogeneous two-way piston seal retains grease for extended operational life, while the Ø12 mm carbon-steel piston rod is protected by 20 µm hard-chrome plating to resist wear and corrosion. The base end-of-stroke deceleration relies on a fixed rubber bumper, which softens impact without adding mechanical complexity.
Airtac MBL Aluminum Alloy Mini Cylinder MBL32X15SU Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL32X15SU |
|---|---|
| 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 MBL32X15SU
| 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 MBL32X15SU Is Used
PCB Ejection Station
Uses the 15 mm stroke and 402 N push force to quickly eject populated printed circuit boards from a testing fixture without damaging delicate components.
Packaging Flap Tucking
Employs the integrated magnet and DMSG sensor to confirm rod extension for tucking carton flaps in a compact packaging line where space is strictly limited.
Small Part Stamping
Provides 563 N of thrust at 0.7 MPa to actuate a small mechanical stamping die for marking metal tags in a tightly nested assembly cell.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL32X15SU the Right Cylinder?
Selecting the MBL32X15SU makes sense when a short 15 mm stroke needs moderate thrust in a confined footprint. If your application requires less force, stepping down to the 25 mm bore yields 245 N of push at 0.5 MPa; conversely, if you need to drive heavier loads, stepping up to the 40 mm bore provides 628 N of push at 0.5 MPa. This SKU uses a G1/8 port with default PT tapered threading, a U flat-end back cover, and includes the -S magnet for sensor readiness. Because the stroke is only 15 mm, side-load stress on the rod bearing is minimal compared to longer strokes.
If your cycle demands adjustable end-of-stroke deceleration rather than a fixed rubber bumper, consider the MBLC variant. Keep in mind that a plain double-acting cylinder does not hold its position if air pressure is lost or exhausted; the rod will drift. For safety-critical vertical loads that must remain fixed without live pressure, incorporate an external pilot-operated check valve or a dedicated rod lock.
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 MBL32X15SU FAQ
At 0.5 MPa, this 32 mm bore cylinder generates 402 N of push force and 346 N of pull force. At 0.7 MPa, the push force increases to 563 N, with a maximum theoretical force of 82 kgf at 1.0 MPa. The operational speed ranges from 30 to 800 mm/s.
No, the base MBL32X15SU uses a fixed rubber bumper to soften end-of-stroke impact and does not feature an adjustable cushion screw. If your application involves heavier moving masses or higher speeds requiring adjustable air cushioning, you should select the MBLC variant instead.
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