Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X300CA
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X300CA 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 MBLC63X300CA
The AirTAC MBLC63X300CA is a double-acting aluminum mini cylinder engineered with a screw-adjustable pneumatic cushion at both ends. Generating 1558 N of push force and 1457 N of pull force at 0.5 MPa, this 63 mm bore unit is built for fast, heavy-duty cycling where fixed rubber bumpers would fail. The 300 mm stroke provides substantial travel for moving large masses, while the riveted rolling-packed barrel keeps the body compact and lightweight rather than relying on bulky tie-rod construction.
This specific configuration uses a CA pivot clevis back cover that swings on a pin to absorb arcing and angular loads, a critical feature for a 300 mm stroke that increases side-load leverage. The internal piston uses a heterogeneous two-way grease-retaining seal, and the 16 mm carbon-steel rod features 20 um hard-chrome plating to resist wear. Note that this SKU lacks a built-in magnet, meaning it cannot support CMSG, DMSG, or EMSG electronic position sensors without modification.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X300CA Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X300CA |
|---|---|
| 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 MBLC63X300CA
| 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 MBLC63X300CA Is Used
Robotic Arm Extension
Drives the primary lifting axis of an automated CNC tending robot, utilizing the 1558 N push force at 0.5 MPa to elevate heavy steel billets while the air cushion prevents end-cover damage during rapid 300 mm extensions.
Pallet Diverting Gate
Actuates a sweeping divert gate on a high-speed packaging conveyor, swinging the CA pivot clevis to accommodate the angular arc of the 300 mm stroke without binding the rod bearings.
Heavy Cart Indexing
Pushes loaded 50 kg assembly carts into a workstation stop, relying on the tunable cushion needle to smoothly decelerate the mass from a 800 mm/s travel speed down to a controlled stop.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC63X300CA the Right Cylinder?
When sizing this cylinder, stepping down to the 50 mm bore yields 981 N of push force at 0.5 MPa, which is preferable for lighter loads to save compressed air. Stepping up is not possible as 63 mm is the largest available bore in the MBLC series, making this the maximum thrust option at 318 kgf theoretical maximum at 1.0 MPa. Choose the MBLC over the base MBL when your application runs at high speeds or high frequencies and the fixed bumper cannot adequately dissipate the kinetic energy.
Because this model features a 300 mm stroke, the 16 mm rod is highly susceptible to bending under side loads. For this reason, the CA pivot back cover is essential to allow the load to articulate, though you should also consider an external guide rail or the double-rod MBLCD type if strict linear rigidity is required. Remember that the adjustable air cushion only decelerates the piston near the stroke ends; it is not a mechanical lock, and the rod will drift if air pressure is lost or the valve centers. Replacement parts require specifying the 63 mm bore, 300 mm stroke, G1/4 port, PT thread, CA back cover, and no magnet.
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 MBLC63X300CA FAQ
At 0.5 MPa, this 63 mm bore cylinder provides 1558 N of push force and 1457 N of pull force. At 0.7 MPa, the push force increases to 2181 N. The theoretical maximum force is 318 kgf when operated at the maximum 1.0 MPa operating pressure.
The MBLC63X300CA features a screw-tunable needle at both ends that traps a pocket of exhaust air to decelerate the piston smoothly before it hits the end cover. You tune the needle to match your specific load and speed, which reduces impact noise and vibration. This pneumatic cushion only functions near the stroke ends and does not lock or hold the rod in place if air supply is lost.
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