Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X50SCA
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X50SCA is a genuine double-acting aluminum-barrel mini round cylinder with a Ø40mm bore and 50mm stroke, G1/4 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
- BoreØ40 mm
- Stroke50 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X50SCA
The AirTAC MBLC40X50SCA is a double-acting aluminum mini cylinder engineered with a screw-adjustable air cushion at both ends. It generates 628 N of push force and 528 N of pull force at 0.5 MPa, making it well-suited for short 50 mm linear movements that require controlled deceleration. The riveted rolling-packed aluminum barrel keeps the body compact for tight machine layouts, while the 20 µm hard-chrome plated carbon-steel rod resists wear against dynamic seals.
This specific SKU features a CA pivot/clevis back cover, allowing the cylinder to swing freely on a pin to accommodate arcing or angular loads without binding. The integrated -S magnet enables position detection using AirTAC CMSG (reed), DMSG, or EMSG (electronic) sensor switches. The pneumatic cushioning is tuned via a needle valve to smoothly brake the piston near the stroke endpoints, protecting the end covers from impact on faster or heavier moves.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X50SCA Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X50SCA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø40 mm |
| Stroke | 50 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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 MBLC40X50SCA
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 40 | Bore size in mm. |
| ×50 | 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 MBLC40X50SCA Is Used
Carton Flap Folding
Provides 628 N of push force to fold heavy corrugated cardboard flaps on packaging lines, using the air cushion to halt the 50 mm stroke gently without crushing the box.
Pallet Diverter Arm
Swings on its CA pivot clevis to deflect pallets onto a side branch, absorbing the rotational load while the cushioned ends prevent jarring stops during high-frequency routing.
Component Stamping Press
Delivers a short 50 mm driving stroke for a small stamping press, using the tunable needle to slow the 16 mm rod smoothly before impact to protect the tooling die.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X50SCA the Right Cylinder?
If your application requires less force, stepping down to the 32 mm bore yields 402 N of push force at 0.5 MPa. For heavier payloads, stepping up to the 50 mm bore provides 981 N of push force. Choose this MBLC variant over the fixed rubber bumper of the base MBL when your cycle speeds are high enough that impact shock would damage the end covers. A direct replacement requires a 40 mm bore, 50 mm stroke, G1/4 port, PT thread, CA pivot back cover, and the -S magnet. Remember that the adjustable cushion only decelerates the piston near the ends; it is not a brake, so the rod will drift if air pressure is lost or the valve centers.
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 MBLC40X50SCA FAQ
At 0.5 MPa, this 40 mm bore cylinder provides 628 N of push force and 528 N of pull force. At 0.7 MPa, the push force increases to 880 N. The maximum theoretical force is 128 kgf at 1.0 MPa.
The CA pivot clevis allows the body to swing on a pin to absorb angular misalignment during arcing movements. The adjustable air cushion at both ends uses a needle valve to trap exhaust air, decelerating the piston smoothly near the stroke ends to reduce noise and protect the end covers on fast cycles.
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Covers non-human-caused product damage.
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