Airtac MBLD Dual Axis Type Mini Cylinder MBLD40X20
The AirTAC MBLD Dual Axis Type Mini Cylinder MBLD40X20 is a genuine double-acting double-rod aluminum-barrel mini cylinder with a Ø40mm bore and 20mm stroke. A rod exits both end covers, so extend and retract force are EQUAL — about 528 N each way at 0.5 MPa. Fixed rubber bumper.
- BoreØ40 mm
- Stroke20 mm
- Port sizeG1/4
- Acting typeDouble acting, double rod
- Rod threadM12×1.25
- CushionFixed rubber bumper
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac MBLD Dual Axis Type Mini Cylinder MBLD40X20
The AirTAC MBLD40X20 is a double-acting, double-rod aluminum mini cylinder featuring a 40 mm bore and 20 mm stroke. Because a rod protrudes from both end covers, the annulus area is identical on extend and retract, yielding an equal 528 N of force both ways at 0.5 MPa. The short 20 mm stroke is ideal for high-cycle, short-travel operations. This base PT-thread configuration has no built-in magnet, so it cannot accept a CMSG or DMSG position sensor.
The twin-rod architecture inherently resists torsion better than a single rod, keeping light loads guided against rotation. You can mount the workpiece on one rod end and a mechanical cam or position flag on the rear protruding end. It features a riveted rolling-packed barrel and a 20 um hard-chrome plated carbon-steel rod. End-of-stroke impact is absorbed by fixed rubber bumpers, not an adjustable air cushion.
Airtac MBLD Dual Axis Type Mini Cylinder MBLD40X20 Technical Specifications
| Model | Airtac MBLD Dual Axis Type Mini Cylinder MBLD40X20 |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder (double rod) |
| Bore size | Ø40 mm |
| Stroke | 20 mm |
| Acting type | Double acting, double rod |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| 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 | Fixed rubber bumper |
| Max standard stroke | Up to 500 mm |
Double-rod overall length = A + 2 × stroke — leave clearance for the rear rod. MBLD/MBLCD mounting is Basic / FA / LB only (no SDB, no back-cover code). Thread options: PT / G / NPT.
Output Force (Ø40mm, equal both ways)
| Pressure | Extend & retract force |
|---|---|
| 0.5 MPa | 528 N |
| 0.7 MPa | 739 N |
| Max (@1.0 MPa) | 108 kgf |
A rod on both piston faces makes the annulus area equal, so extend and retract force (and speed) are the same. Actual usable force is lower due to friction.
Model Code: Airtac MBLD Dual Axis Type Mini Cylinder MBLD40X20
| MBLD | MBLD aluminum-barrel double-rod mini cylinder. |
|---|---|
| 40 | Bore size in mm. |
| ×20 | Stroke length in mm. |
| S | Optional built-in magnet for a CMSG/DMSG/EMSG sensor switch. |
| FA / LB | Mounting: FA flange or LB foot (no SDB on double-rod). |
Related: MBLCD (double rod, adjustable cushion), MBLC (single rod + cushion), MBL (single rod).
Where the Airtac MBLD Dual Axis Type Mini Cylinder MBLD40X20 Is Used
PCB Edge Routing Machine
Uses the equal 528 N both-way force and 20 mm stroke to firmly grip and depanelize printed circuit boards without torsional deflection during high-speed routing.
Textile Loom Guide
Deploys the rear protruding rod end as a mechanical cam to trigger a limit valve, synchronizing the loom's thread tensioning bar with the main drive.
Electronic Component Tester
Leverages the twin-rod anti-rotation property to plunge a test probe straight down into IC sockets repeatedly, ensuring perfectly aligned contact without lateral skew.
Is the Airtac MBLD Dual Axis Type Mini Cylinder MBLD40X20 the Right Cylinder?
This 40 mm bore generates 528 N both ways at 0.5 MPa. If your application requires less force, step down to the 32 mm bore (346 N both ways); if you need more clamping power, step up to the 50 mm bore (881 N both ways). The fixed rubber bumper suits moderate speeds, but for higher kinetic energy at cycle limits, consider the MBLCD variant which adds adjustable air cushioning. Mounting is limited to Basic, FA flange, or LB foot brackets—there is no back-cover or SDB pivot option for this double-rod body. When replacing, match the 40 mm bore, 20 mm stroke, G1/4 port, PT thread, and confirm no magnet is fitted. Note that a plain MBLD does not hold position without live air; the rod will drift, so use an external locking device for static holding.
Quick checklist
- ✓ Equal force both ways at your pressure
- ✓ Rear-rod clearance (length = A + 2 × stroke)
- ✓ Mounting: Basic / FA / LB only
- ✓ Magnet (S) for sensors?
- ✓ Side load — add a guide on long strokes
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Leave clearance for the rear rod (length = A + 2 × stroke).
- check Avoid side load; add an external guide on long strokes.
- check Mounting: Basic / FA flange / LB foot (no SDB, no back-cover code).
- check Installation by qualified personnel per AirTAC docs.
Airtac MBLD Dual Axis Type Mini Cylinder MBLD40X20 FAQ
Because the MBLD40X20 is a double-rod cylinder, the rod occupies both sides of the piston, making the effective area equal in both directions. The force is 528 N at 0.5 MPa and 739 N at 0.7 MPa both ways. The maximum theoretical force is 108 kgf at 1.0 MPa.
No, this specific MBLD40X20 SKU lacks the built-in magnet (denoted by an -S suffix), so it cannot be used with AirTAC CMSG, DMSG, or EMSG sensor switches. If you require electronic or reed switch position detection, you must select the MBLD40X20S variant.
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