Airtac MBLD Dual Axis Type Mini Cylinder MBLD40X50S
The AirTAC MBLD Dual Axis Type Mini Cylinder MBLD40X50S is a genuine double-acting double-rod aluminum-barrel mini cylinder with a Ø40mm bore and 50mm 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
- Stroke50 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 MBLD40X50S
The AirTAC MBLD40X50S is a double-acting, double-rod aluminum mini cylinder featuring a 40mm bore and 50mm stroke. A Ø16mm carbon-steel rod with 20μm hard-chrome plating exits both end covers, yielding exactly 528N of force at 0.5 MPa in both extend and retract directions. This balanced output is ideal for mechanisms requiring symmetrical push-pull dynamics without pressure compensation. The built-in -S magnet allows CMSG reed or DMSG/EMSG electronic sensors to track rod position precisely.
This compact riveted barrel design incorporates a fixed rubber bumper to soften end-of-stroke impacts and a grease-retaining piston seal for long service life. Because the rear rod protrudes during retraction, you must leave appropriate clearance for secondary attachments like position flags or cam drivers. Overall length equals A + (2 x stroke). Note that MBLD mounting is limited to Basic, FA flange, or LB foot brackets; there is no back-cover or SDB pivot option for this twin-rod series.
Airtac MBLD Dual Axis Type Mini Cylinder MBLD40X50S Technical Specifications
| Model | Airtac MBLD Dual Axis Type Mini Cylinder MBLD40X50S |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder (double rod) |
| Bore size | Ø40 mm |
| Stroke | 50 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 MBLD40X50S
| MBLD | MBLD aluminum-barrel double-rod mini cylinder. |
|---|---|
| 40 | Bore size in mm. |
| ×50 | 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 MBLD40X50S Is Used
PCB Depaneling Saw
Drives a dual-side blade carriage with 528N of equal push/pull force, ensuring the 50mm stroke cuts composite boards smoothly without asymmetric binding.
Textile Loom Tenter
Uses the protruding rear rod to mount a cam that times a thread guide, while the front rod shifts the tenter frame with balanced 0.7 MPa force.
Label Dispenser Arm
Indexes a 50mm peel arm with symmetrical speed both ways; the -S magnet triggers a DMSG electronic sensor to confirm label release position.
Is the Airtac MBLD Dual Axis Type Mini Cylinder MBLD40X50S the Right Cylinder?
When sizing this 40mm bore, stepping down to the MBLD32X50S drops your bidirectional force to 346N at 0.5 MPa, while stepping up to the MBLD50X50S increases it to 881N. Choose the MBLD over the single-rod MBL when your application requires equal push/pull forces and anti-rotation guidance on a light load. If your cycle speeds generate too much end-impact energy for the fixed rubber bumper, consider the MBLCD variant which adds adjustable air cushioning. Remember that a plain MBLD does not hold position without live air pressure; the rod will drift if supply is cut, so use an external locking device for safety-critical holds.
To replace this exact unit, match the 40mm bore, 50mm stroke, G1/4 port, PT tapered thread, and the -S magnet option. The twin 16mm rods provide better resistance to single-sided torsion than a single rod, but long strokes still require an external guide to prevent rod bending under heavy lateral loads.
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 MBLD40X50S FAQ
Because the rod exits both ends, the effective annulus area is identical in both directions. The force is equal for extend and retract: 528N at 0.5 MPa, 739N at 0.7 MPa, and a maximum theoretical 108kgf (1058N) at 1.0 MPa.
Unlike a single-rod MBL where push force exceeds pull force, the MBLD40X50S provides identical push and pull forces. The rear rod protrusion allows you to mount a secondary mechanism or position flag on the opposite end, and the twin 16mm rods offer better resistance to torsional rotation than a single rod.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
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