Airtac MBL Aluminum Alloy Mini Cylinder MBL32X70SCA
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL32X70SCA 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 MBL32X70SCA
The AirTAC MBL32X70SCA 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, 70 mm stroke unit handles compact actuation with reliable authority. The riveted rolling-packed barrel design keeps the body lightweight and small, firmly crimping the front and back covers to the tube rather than relying on bulky tie rods.
This specific SKU includes a built-in -S magnet for position detection via CMSG reed or DMSG/EMSG electronic switches. It is fitted with a CA pivot back cover, allowing the cylinder to swing freely on a pin to accommodate arcing or angular loads. The carbon-steel piston rod features a 20 um hard-chrome plating for wear resistance, paired with a heterogeneous two-way piston seal that retains grease for an extended service life.
Airtac MBL Aluminum Alloy Mini Cylinder MBL32X70SCA Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL32X70SCA |
|---|---|
| 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 MBL32X70SCA
| 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 MBL32X70SCA Is Used
Packaging Diverter Arm
Swings a lightweight routing flap on a packaging conveyor using its 402 N push force and CA pivot back cover to smoothly handle arcing motion.
PCB Test Socket
Drives a 70 mm stroke to press an electronic test socket onto printed circuit boards, using the -S magnet to confirm seat position via a DMSG sensor.
Textile Yarn Guide
Pivots a yarn tensioning guide on a knitting machine, where the compact riveted aluminum body fits neatly into crowded creel spaces.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL32X70SCA the Right Cylinder?
Stepping down to the 25 mm bore yields 245 N of push force, while stepping up to the 40 mm bore provides 628 N if your application requires more thrust. The base MBL relies on a fixed rubber bumper to soften end-of-stroke impacts; for heavier or faster cycling loads requiring adjustable air cushioning, select the MBLC variant. Note that a plain MBL cannot hold a load if air pressure is lost—the rod will drift or drop, so an external rod lock or pilot-operated check valve is required for fail-safe positioning. Replacement match: 32 mm bore, 70 mm stroke, G1/8 port, PT thread, CA pivot back cover, no mounting accessory specified, with a built-in 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 MBL32X70SCA FAQ
At 0.5 MPa, this double-acting cylinder provides 402 N of push force and 346 N of pull force. At 0.7 MPa, the push force increases to 563 N. The maximum theoretical force is 82 kgf at 1.0 MPa, and it operates at a speed of 30-800 mm/s.
No, the base MBL features a fixed rubber bumper that absorbs end-of-stroke impact and cannot be adjusted. If your application requires tunable cushioning for heavier loads, you must upgrade to the MBLC variant, which features an adjustable air cushion.
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