Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X350CA
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X350CA is a genuine double-acting aluminum-barrel mini round cylinder with a Ø20mm bore and 350mm 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
- Stroke350 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 MBLC20X350CA
The AirTAC MBLC20X350CA is a compact double-acting aluminum mini cylinder engineered for a 350 mm stroke. It delivers 157 N of push force and 132 N of pull force at 0.5 MPa. Because this SKU lacks the -S suffix, it has no built-in magnet and cannot support CMSG, DMSG or EMSG position sensors. The riveted rolling-packed aluminum barrel keeps the frame light for tight spaces, while the Ø8 mm carbon-steel rod features a 20 um hard-chrome plating to resist wear.
Unlike the base MBL which relies on a fixed rubber bumper, this MBLC variant features a screw-adjustable pneumatic air cushion at both ends. You tune the needle to decelerate the piston smoothly near each stroke end, absorbing kinetic energy to cut impact noise and end-cover vibration on fast cycles. The CA pivot back cover swings on a pin to accommodate arcing loads, which is essential for maintaining alignment given the long 350 mm stroke and small rod diameter.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X350CA Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X350CA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø20 mm |
| Stroke | 350 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 MBLC20X350CA
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 20 | Bore size in mm. |
| ×350 | 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 MBLC20X350CA Is Used
Textile Loom Thread Guide
Shifts a yarn guide carriage across a 350 mm path. The CA pivot absorbs frame flex, while the tuned air cushion prevents sudden jerks that would snap delicate fibers.
PCB Sorting Diverter
Pushes lightweight circuit boards into testing bins. The compact 20 mm barrel fits between tight conveyor rollers, and the cushion silences end-of-stroke tapping during high-frequency routing.
Pharmaceutical Vial Rejector
Sweeps defective vials off a fast-moving packaging line. The 157 N push force is sufficient for small glass containers, and the smooth deceleration prevents vial shattering upon rejection.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X350CA the Right Cylinder?
Select this 20 mm bore when an application demands a long 350 mm reach but only moderate force (157 N push at 0.5 MPa). If you need less reach and a shorter guide distance, stepping down is not an option as 20 mm is the smallest available bore. If your load requires more thrust, step up to the 25 mm bore, which provides 245 N of push force at 0.5 MPa. Choose the MBLC over the standard MBL when cycle speeds are high enough that a fixed rubber bumper would degrade prematurely.
At 350 mm, the Ø8 mm rod has a high length-to-diameter ratio, resulting in low side-load tolerance and a risk of rod bending under lateral stress. The CA pivot clevis on this unit helps mitigate angular misalignment, but you should still use an external guide rail or consider an MBLD double-rod cylinder for strict linear stability. Note that the adjustable air cushion only decelerates the piston near the stroke ends; it is not a brake and will not hold the load if air pressure is lost. This SKU uses a PT tapered port thread and an M8x1.25 rod-end thread.
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 MBLC20X350CA FAQ
At 0.5 MPa, this 20 mm bore cylinder provides 157 N of push force and 132 N of pull force. At 0.7 MPa, the push increases to 220 N, with a theoretical maximum of 32 kgf at 1.0 MPa. It uses a G1/8 PT tapered port and an M8x1.25 rod-end thread.
No, this specific SKU lacks the -S magnet, so it cannot host CMSG, DMSG or EMSG sensor switches. The cushion is a screw-adjustable air cushion at both ends; you tune the needle to restrict exhaust flow, decelerating the piston smoothly before it hits the end cover. It reduces impact wear but does not lock or hold the load.
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