Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X150SU
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X150SU is a genuine double-acting aluminum-barrel mini round cylinder with a Ø40mm bore and 150mm 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
- Stroke150 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 MBLC40X150SU
The AirTAC MBLC40X150SU is a double-acting aluminum mini cylinder with a 40mm bore and 150mm stroke. It delivers 628N push and 528N pull force at 0.5MPa. Unlike the base MBL, this variant uses a screw-adjustable pneumatic air cushion at both stroke ends. You tune the needle to smoothly decelerate the payload, cutting impact shock and end-cover wear on faster moves. It is a deceleration device, not a load lock.
The U suffix denotes a rigid flat-end back cover for straightforward inline mounting, while the -S code means a built-in magnet is fitted for CMSG, DMSG, or EMSG sensor switches. The Ø16mm carbon-steel rod features 20µm hard-chrome plating, and the riveted rolling-packed barrel keeps the overall body compact for tight machine spaces. The standard PT thread pairs with the G1/4 port.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X150SU Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X150SU |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø40 mm |
| Stroke | 150 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 MBLC40X150SU
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 40 | Bore size in mm. |
| ×150 | 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 MBLC40X150SU Is Used
CNC Lathe Door Automation
Drives a heavy sliding machine door over a 150mm gap. The adjustable cushion decelerates the 628N push smoothly to prevent door slam, while the DMSG sensor confirms closure.
Carton Erector Pusher
Pushes corrugated packaging blanks into a forming pocket. The 528N pull retracts the arm reliably, and the cushion needle is tuned to soften the retraction stop for high-speed cycling.
Pallet Diverter Arm
Actuates a routing flap on a packaging line. The compact riveted barrel fits within the conveyor frame, and the U flat-end cover mounts rigidly to the machine sub-frame.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC40X150SU the Right Cylinder?
At 0.5MPa, this 40mm bore yields 628N push and 528N pull. If your payload is lighter, stepping down to the 32mm bore gives 402N push, while moving heavier masses up to the 50mm bore provides 981N push. Choose this MBLC over the fixed-bumper MBL when cycling faster or moving a mass that would otherwise slam into the end covers. The U flat-end rear provides rigid inline attachment; for arcing loads, pivot options like CA or SDB are preferable.
Because the stroke is 150mm, the 16mm rod has a moderate length-to-diameter ratio. For high lateral forces, add an external guide rail to prevent rod bending. The -S magnet supports CMSG reed and DMSG/EMSG electronic switches for position detection. If air is lost, the cylinder will drift; use an external pilot-operated check valve for position holding.
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 MBLC40X150SU FAQ
At 0.5MPa, the 40mm bore provides 628N push and 528N pull. At 0.7MPa, push increases to 880N. The maximum theoretical force is 128kgf at 1.0MPa.
A screw-tunable needle at both ends traps exhaust air to decelerate the piston near stroke end. You adjust it to match your load and speed, reducing impact and noise. It only decelerates near the ends; it does not lock or hold the load without air pressure.
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1-Year Warranty
Covers non-human-caused product damage.
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