Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X300SCA
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X300SCA is a genuine double-acting aluminum-barrel mini round cylinder with a Ø63mm bore and 300mm stroke, G1/4 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
- BoreØ63 mm
- Stroke300 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM14×1.5
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X300SCA
The AirTAC MBLC63X300SCA is a double-acting, 63mm bore aluminum mini cylinder with a 300mm stroke, delivering 1558 N of push force at 0.5 MPa. It features a CA pivot/clevis back cover that swings on a pin, making it ideal for arcing or angular load paths. The built-in magnet (-S) enables position detection using CMSG reed or DMSG and EMSG solid-state sensor switches.
Unlike the base MBL which relies on a fixed rubber bumper, this MBLC variant uses a screw-adjustable pneumatic air cushion at both ends. You tune the needle to smoothly decelerate the piston near stroke limits, absorbing kinetic energy from heavy fast-moving loads to protect the end covers. The riveted rolling-packed barrel keeps the body compact, while the 20 µm hard-chrome plating on the carbon-steel rod resists wear against its heterogeneous two-way grease-retaining piston seal.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X300SCA Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X300SCA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø63 mm |
| Stroke | 300 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M14×1.5 |
| 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1458 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 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 MBLC63X300SCA
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 63 | Bore size in mm. |
| ×300 | 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 MBLC63X300SCA Is Used
Automated Welding Arm
Drives a heavy 1558 N welding head through 300mm of travel, using the CA pivot to accommodate angular arm swing while the air cushion prevents end-of-stroke jarring.
Pallet Diverters
Pushes loaded pallets off a transfer line, relying on the tunable cushion to gently decelerate the 63mm bore piston before it strikes the end cover.
Heavy Tray Indexing
Stages large component trays in packaging machinery, using the -S magnet and DMSG electronic sensor to confirm full extension before clamping.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X300SCA the Right Cylinder?
For applications needing less thrust, stepping down to the 50mm bore yields 981 N of push force at 0.5 MPa, whereas moving up is not an option as 63mm is the largest standard mini size in this series. Choose this MBLC over a standard MBL when your cycle speed or moving mass is high enough that a fixed rubber bumper would cause damaging impact or excessive vibration. At 300mm of stroke, the 16mm rod has a higher risk of bending under side loads; the CA pivot cover absorbs angular misalignment, but you should still use an external guide or consider the MBLD double-rod type for strict linear stability. This cylinder uses a G1/4 port, M14x1.5 rod thread, and PT tapered port threads. Note that the adjustable cushion only decelerates the piston near the ends and does not hold position if air pressure is lost.
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 MBLC63X300SCA FAQ
This 63mm bore cylinder uses a G1/4 port and a 16mm rod with an M14x1.5 thread. At 0.5 MPa it provides 1558 N of push force and 1457 N of pull force. At 0.7 MPa it pushes with 2181 N. The maximum theoretical force is 318 kgf at 1.0 MPa.
The cushion is a screw-tunable pneumatic needle at both ends that traps exhaust air to decelerate the piston smoothly, reducing impact on fast or heavy moves; it is not a load lock or brake. The CA back cover is a pivot clevis that swings on a pin, which is essential for safely managing the angular side-loads inherent in a 300mm stroke.
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