Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X175SU
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X175SU is a genuine double-acting aluminum-barrel mini round cylinder with a Ø50mm bore and 175mm stroke, G1/4 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
- BoreØ50 mm
- Stroke175 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 MBLC50X175SU
The AirTAC MBLC50X175SU is a double-acting aluminum mini cylinder engineered for compact actuation requiring smooth end-of-stroke deceleration. It generates 981 N of push force and 881 N of pull force at 0.5 MPa, making it well-suited for driving heavier slides or lifts across its 175 mm travel. The riveted rolling-packed aluminum barrel keeps the assembly lightweight and spatially efficient for tight machine frames, while the 20 µm hard-chrome plating on the carbon-steel rod defends against premature wear.
Unlike the base MBL series which relies on a fixed rubber bumper, this MBLC variant features a screw-adjustable pneumatic cushion at both ends. You tune the needle to match the load and speed, dissipating kinetic energy before the piston strikes the end cover to reduce impact shock, mechanical vibration, and noise. The built-in magnet (-S) enables position detection with AirTAC CMSG reed or DMSG and EMSG solid-state sensor switches, while the U flat-end back cover provides a rigid rear mounting surface.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X175SU Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X175SU |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø50 mm |
| Stroke | 175 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 881 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 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 MBLC50X175SU
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 50 | Bore size in mm. |
| ×175 | 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 MBLC50X175SU Is Used
CNC Pallet Changer
Shifts 981 N of mid-stroke load to index machining pallets into the work zone, using the tuned cushion to halt the 175 mm travel softly without jarring the precision vise.
Packaging Diverter
Pushes heavy cardboard cartons onto a secondary labeling lane, where the adjustable air cushion prevents sudden stops from tearing the packaging material.
Vertical Lift Gate
Raises a 50 kg parts tote through 175 mm, relying on the pneumatic cushion to lower the tote gently into the discharge chute and avoid end-cover impact damage.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X175SU the Right Cylinder?
Stepping down in bore size, the 40 mm neighbor yields 628 N of push at 0.5 MPa, which is ideal if your load is lighter and you need to save space. Stepping up, the 63 mm bore provides 1558 N of push at 0.5 MPa for substantially heavier masses. Choose this MBLC cushioned version over the fixed-bumper MBL when your cycle rates are high or the moved mass is significant enough that a rubber bumper would rapidly deteriorate. For replacement, match the 50 mm bore, 175 mm stroke, G1/4 port, PT thread, U flat-end back cover, and the -S magnet. Since 175 mm exceeds 300 mm? No, but for longer strokes approaching 300 mm or beyond, the low side-load tolerance of the 16 mm rod means you should use an external guide, a CA or SDB pivot mount, or an MBLD double-rod cylinder to prevent rod bending. Note that the air cushion only decelerates the piston near the stroke ends; it is not a brake, and the cylinder will not hold position 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 MBLC50X175SU FAQ
At 0.5 MPa it provides 981 N push and 881 N pull. At 0.7 MPa it delivers 1374 N push and 1233 N pull. The maximum theoretical force is 200 kgf at 1.0 MPa, with a proof pressure of 1.5 MPa.
The cushion uses a screw-tunable needle to trap exhaust air at the end of the stroke, creating backpressure that decelerates the piston smoothly. You choose this over the fixed rubber bumper on the base MBL when running faster cycle speeds or moving heavier masses, as it stops the load without slamming the end cover.
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