Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X175SCA
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X175SCA is a genuine double-acting aluminum-barrel mini round cylinder with a Ø20mm bore and 175mm 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
- Stroke175 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 MBLC20X175SCA
The AirTAC MBLC20X175SCA is a compact double-acting aluminum mini cylinder delivering 157 N of push force and 132 N of pull force at 0.5 MPa. Featuring a 20 mm bore and a 175 mm stroke, it is engineered for tight spaces where precise linear motion is required. The riveted rolling-packed aluminum barrel keeps the body light and compact, while the 20 µm hard-chrome plating on the carbon-steel rod protects against wear and corrosion.
Unlike the base MBL series, this model features a screw-adjustable pneumatic cushion at both ends to smoothly decelerate the piston near stroke limits, cutting impact shock on faster cycles. The CA pivot/clevis back cover allows the body to swing on a pin, accommodating arcing loads. The built-in magnet (-S) supports CMSG, DMSG, and EMSG sensor switches for position detection.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X175SCA Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X175SCA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø20 mm |
| Stroke | 175 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 MBLC20X175SCA
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 20 | 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 MBLC20X175SCA Is Used
PCB Degating Station
Uses the 157 N push force at 0.5 MPa to cleanly separate individual circuit boards from a panel, relying on the adjustable cushion to stop the 175 mm stroke gently without jarring delicate solder joints.
Packaging Diverter Arm
Pivots a small guide arm via the CA clevis to sort light cartons on a conveyor, where the compact 20 mm bore fits into tight transfer points and the magnet enables DMSG sensors to confirm routing.
Pick-and-Place Y-Axis
Drives a small vacuum head across 175 mm of travel for electronic component placement, benefiting from the tunable end-of-stroke deceleration to maintain high cycle rates without end-cover impact.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X175SCA the Right Cylinder?
For sizing flexibility, stepping down is not an option as 20 mm is the smallest available bore. If you need more force, the next size up is the 25 mm bore, which provides 245 N of push force at 0.5 MPa. Choose this MBLC version over the standard MBL when your application runs at higher speeds or frequencies and the fixed rubber bumper is insufficient for deceleration. Keep in mind the adjustable air cushion only slows the piston near the ends; it is not a lock, so the rod will drift if air pressure is lost or exhausted.
This specific configuration includes a PT (tapered) port thread, a G1/8 port size, and an M8x1.25 rod-end thread. The CA pivot back cover is ideal for angular movement, contrasting with the rigid U flat-end cover. If your 175 mm stroke introduces excessive side-load stress on the small Ø8 mm rod, consider adding an external guide rail or switching to an MBLD double-rod cylinder to prevent rod bending.
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 MBLC20X175SCA FAQ
At 0.5 MPa, this 20 mm bore cylinder provides 157 N of push force and 132 N of pull force. At 0.7 MPa, the push force increases to 220 N. The theoretical maximum force is 32 kgf at 1.0 MPa. It operates at speeds from 30 to 800 mm/s.
The cushion is a screw-tunable needle at both ends of the stroke that traps a pocket of air to decelerate the piston smoothly before it hits the end cover. You tune the needle to match your load and speed, which is critical for high-frequency cycles. It only slows the piston near the ends and does not lock the rod in place.
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