Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X80SCA
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X80SCA is a genuine double-acting aluminum-barrel mini round cylinder with a Ø20mm bore and 80mm stroke, G1/8 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
- BoreØ20 mm
- Stroke80 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X80SCA
The AirTAC MBLC20X80SCA is a double-acting aluminum mini cylinder with an 80 mm stroke and a 20 mm bore, delivering 157 N of push force and 132 N of pull force at 0.5 MPa. It features a CA pivot/clevis back cover that swings on a pin to accommodate arcing or angular loads, making it distinct from rigid flat-end mounts. The built-in magnet (-S) allows for direct rod position detection using AirTAC CMSG reed or DMSG and EMSG electronic sensor switches.
Unlike the base MBL which relies on a fixed rubber bumper, this MBLC variant utilizes a screw-adjustable pneumatic air cushion at both stroke ends. Tuning the cushion needle lets you smoothly decelerate the piston near the end caps, absorbing kinetic energy on faster moves to reduce impact wear and vibration. The compact riveted rolling-packed aluminum barrel keeps weight low for tight assemblies, while the heterogeneous two-way grease-retaining piston seal and 20 um hard-chrome plated carbon-steel rod ensure consistent friction and longevity.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X80SCA Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X80SCA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø20 mm |
| Stroke | 80 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M8×1.25 |
| 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 (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | — |
| Max (@1.0 MPa) | 32 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X80SCA
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 20 | Bore size in mm. |
| ×80 | 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 MBLC Aluminum Alloy Mini Air Cylinder MBLC20X80SCA Is Used
Textile Loom Guide
Drives an 80 mm yarn guide arm on a weaving loom, using the CA pivot to absorb angular deflection while the air cushion prevents jarring stops at high cycle rates.
Packaging Diverter
Pushes lightweight cartons at 157 N push force on a packaging line, where the tunable cushion ensures soft retraction to avoid denting the fiberboard.
PCB Shuttle
Moves a small electronics shuttle 80 mm, relying on the DMSG electronic sensor to confirm position and the compact riveted barrel to fit within dense machine framing.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X80SCA the Right Cylinder?
If your application requires less force, the next size down is the 16 mm bore (confirm from datasheet), but stepping up to the 25 mm bore yields 245 N of push force at 0.5 MPa for heavier payloads. Choose this MBLC over the base MBL when your cycle speeds are high enough that a fixed rubber bumper cannot adequately absorb the end-of-stroke impact. Remember that the adjustable air cushion only decelerates the rod near the ends; it is not a brake or lock. If you need to hold position securely during air loss or valve centering, you must add an external rod lock or pilot-operated check valve. This specific SKU is configured with a PT tapered port thread and a CA pivot back cover.
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 MBLC Aluminum Alloy Mini Air Cylinder MBLC20X80SCA FAQ
At 0.5 MPa, this 20 mm bore cylinder provides 157 N push and 132 N pull force. At 0.7 MPa, push increases to 220 N. The theoretical maximum force is 32 kgf at 1.0 MPa. It uses a G1/8 port and an M8x1.25 rod-end thread.
The cushion is a screw-tunable needle valve at both ends that traps exhaust air to decelerate the piston smoothly before it hits the end cover. You tune it to match your specific load and speed, which cuts impact noise and wear far better than a fixed rubber bumper. It is strictly a deceleration device, not a load lock.
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