Airtac MBL Aluminum Alloy Mini Cylinder MBL32X20SCA
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL32X20SCA is a genuine double-acting aluminum-barrel mini round cylinder with a Ø32mm bore and 20mm 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
- Stroke20 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 MBL32X20SCA
The AirTAC MBL32X20SCA is a compact double-acting aluminum mini round cylinder engineered for tight machine spaces. Operating at 0.5 MPa, it generates 402 N of push force and 346 N of pull force across its 20 mm stroke. This genuine OEM unit features a built-in magnet for position detection and a CA pivot back cover, making it highly versatile for compact mechanical assemblies.
Unlike tie-rod bodies, the MBL utilizes a riveted rolling-packed aluminum barrel where the covers are crimped to the tube, ensuring a lightweight, permanently sealed construction. The carbon steel piston rod features 20 um hard-chrome plating to resist wear and corrosion, while a heterogeneous two-way piston seal retains grease for a long service life. Because this SKU includes the -S magnet, it supports AirTAC CMSG (reed) and DMSG or EMSG (solid-state) sensor switches for precise end-of-stroke signaling.
Airtac MBL Aluminum Alloy Mini Cylinder MBL32X20SCA Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL32X20SCA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø32 mm |
| Stroke | 20 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 MBL32X20SCA
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 32 | Bore size in mm. |
| ×20 | 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 MBL32X20SCA Is Used
PCB Depaneling Ejector
Provides a rapid 20 mm stroke with 402 N of push force to eject cut circuit boards from a routing fixture without damaging delicate traces.
Connector Insertion Press
Delivers precise 346 N retraction force to seat electronic pin headers into housings, using the CA pivot to accommodate slight angular misalignment.
Packaging Flap Folder
Swings on its CA clevis to fold lightweight cardboard flaps at high cycling speeds, relying on the CMSG reed switch to confirm fold completion.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL32X20SCA the Right Cylinder?
If your application requires less force, the 25 mm bore neighbor provides 245 N of push at 0.5 MPa; stepping up to the 40 mm bore yields 628 N. The 20 mm stroke is ideal for short clamping or ejection movements. For applications needing end-of-stroke deceleration for heavier moving loads, step up to the MBLC variant which features an adjustable air cushion. Keep in mind the base MBL uses a fixed rubber bumper that only softens impact, and it cannot hold a load in place if air pressure is lost—you will need an external rod lock or pilot-operated check valve for fail-safe positioning. Replacement must match bore 32, stroke 20, port G1/8, PT thread, CA back cover, and the -S magnet.
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 MBL32X20SCA 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 increases to 563 N. The maximum theoretical force is 82 kgf at the 1.0 MPa operating pressure limit.
No, the base MBL32X20SCA uses a fixed rubber bumper to soften the end-of-stroke impact, not an adjustable air cushion. If your application requires adjustable end-of-stroke deceleration for heavier loads, you should select the MBLC variant.
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