Airtac MBL Aluminum Alloy Mini Cylinder MBL32X70CA
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL32X70CA is a genuine double-acting aluminum-barrel mini round cylinder with a Ø32mm bore and 70mm 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
- Stroke70 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 MBL32X70CA
The AirTAC MBL32X70CA is a double-acting aluminum mini round cylinder engineered for tight machine spaces. It delivers 402 N of push force and 346 N of pull force at 0.5 MPa over a 70 mm stroke, making it well-suited for mid-range actuation in compact assemblies. The body utilizes a riveted rolling-packed construction where the covers are crimped to the barrel, ensuring a lightweight footprint, though it is not designed to be disassembled like a tie-rod cylinder.
This specific SKU features a CA pivot (clevis) back cover that swings on a pin to accommodate arcing or angular loads. It relies on a fixed rubber bumper to soften end-of-stroke impacts rather than an adjustable air cushion. Because this configuration lacks the -S suffix, it cannot be fitted with a CMSG, DMSG, or EMSG position sensor. The carbon-steel piston rod is hardened with 20 µm chrome plating for wear resistance, and the heterogeneous two-way piston seal retains grease for a long service life.
Airtac MBL Aluminum Alloy Mini Cylinder MBL32X70CA Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL32X70CA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø32 mm |
| Stroke | 70 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 MBL32X70CA
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 32 | Bore size in mm. |
| ×70 | 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 MBL32X70CA Is Used
Textile Loom Guide Arm
Drives the oscillating guide arm on a textile loom, where the CA pivot back cover smoothly handles the angular arcing motion while providing 402 N of push force at 0.5 MPa.
Packaging Flap Folder
Folds corrugated cardboard flaps on a continuous packaging line, using the 70 mm stroke to clear the product path while the riveted aluminum body resists shop floor debris.
Bottle Diverting Gate
Actuates a swinging diverter gate on a bottle filling conveyor, where the pivot pin absorbs lateral stress and the fixed rubber bumper absorbs the end-of-stroke impact.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL32X70CA the Right Cylinder?
Choose this 32 mm bore when your application requires more thrust than the 25 mm version (245 N push at 0.5 MPa) but less than the 40 mm model (628 N push at 0.5 MPa). If your cycle speed creates heavy end-impact shocks, consider stepping up to the MBLC variant for its adjustable air cushion. For mechanisms needing spring-return push or pull action in bores up to 40 mm, the MSBL or MTBL single-acting types are the correct alternatives. The base MBL rubber bumper only softens the stroke impact; it does not hold the load. If air pressure drops, the rod will drift, so fit an external rod lock or pilot-operated check valve when position retention is critical.
When replacing this unit, match the 32 mm bore, 70 mm stroke, G1/8 port, default PT thread, and CA pivot back cover. The Ø12 mm rod-end thread is M10x1.25. For this 70 mm stroke, side-load tolerance is moderate, but if you scale up to 300 mm or beyond, the small 12 mm rod will require an external guide, a CA/SDB pivot, or the MBLD double-rod anti-rotation type to prevent bending.
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 MBL32X70CA FAQ
At 0.5 MPa, this 32 mm bore cylinder provides 402 N push force and 346 N pull force. At 0.7 MPa, the push force increases to 563 N, with a theoretical maximum of 82 kgf at 1.0 MPa. The double-acting speed range is 30-800 mm/s.
No. This specific MBL32X70CA SKU lacks the -S suffix, meaning it has no internal magnet and cannot accept CMSG, DMSG, or EMSG sensor switches. Additionally, the base MBL uses a fixed rubber bumper at the end of the stroke; it does not have an adjustable cushion screw. For adjustable air cushioning, you need the MBLC variant.
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