Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X75CA
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X75CA is a genuine double-acting aluminum-barrel mini round cylinder with a Ø20mm bore and 75mm 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
- Stroke75 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 MBLC20X75CA
The AirTAC MBLC20X75CA is a compact double-acting mini cylinder engineered with a screw-tunable pneumatic air cushion at both stroke ends. Delivering 157 N of push force at 0.5 MPa through a 20 mm bore, it uses a G1/8 port and an Ø8 mm carbon-steel rod with 20 µm hard-chrome plating. The 75 mm stroke suits short linear actuation where stopping momentum cleanly protects the tooling.
This variant features a CA pivot clevis back cover that swings on a pin to accommodate arcing loads, preventing rod-side binding. The riveted rolling-packed aluminum barrel keeps the body light for tight machine spaces. Because this SKU lacks the -S magnet suffix, it cannot accept CMSG, DMSG, or EMSG position sensors.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X75CA Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X75CA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø20 mm |
| Stroke | 75 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 MBLC20X75CA
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 20 | Bore size in mm. |
| ×75 | 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 MBLC20X75CA Is Used
PCB Router Z-Axis
Drives a light 157 N routing head down 75 mm; the tunable cushion prevents snapping delicate micro-drills at the stroke bottom.
Carton Flap Folder
Pivots on its CA clevis to follow the arc of a packaging folder, folding cardboard flaps smoothly without side-loading the rod.
IC Test Handler
Positions a pick-and-place arm for integrated circuit testing, using the compact riveted body to fit inside dense test racks.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X75CA the Right Cylinder?
At 0.5 MPa, this 20 mm bore generates 157 N push and 132 N pull. If you need less force, there is no smaller MBL bore, but stepping up to the 25 mm bore yields 245 N push for heavier resistance. Choose this MBLC over the base MBL when your cycle speed exceeds what a fixed rubber bumper can absorb without bouncing.
This exact replacement requires a 20 mm bore, 75 mm stroke, PT tapered port thread, CA pivot back cover, and no magnet. Note that a plain cylinder cannot hold position if air pressure drops; the cushion only decelerates near the ends and does not act as a mechanical lock.
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 MBLC20X75CA FAQ
At 0.5 MPa, it provides 157 N push and 132 N pull. At 0.7 MPa, it provides 220 N push and 185 N pull. The theoretical maximum force is 32 kgf at 1.0 MPa.
A screw-tunable needle at both ends traps a pocket of exhaust air to decelerate the piston smoothly before impact. You tune it to match the load and speed, which cuts end-cover noise and vibration far better than a fixed rubber bumper.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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