
The AirTAC Airtac MBLD Dual Axis Type Mini Cylinder MBLD32X15S is a genuine double-acting double-rod aluminum-barrel mini cylinder with a Ø32mm bore and 15mm stroke. A rod exits both end covers, so extend and retract force are EQUAL — about 346 N each way at 0.5 MPa. Fixed rubber bumper.
The AirTAC MBLD32X15S is a double-acting, double-rod aluminum mini cylinder featuring a remarkably short 15mm stroke. Because a Ø12mm carbon-steel rod exits both end covers, the effective piston area is identical on extend and retract. This yields exactly 346N of force both ways at 0.5MPa, eliminating the speed and force differential found in single-rod units. The built-in magnet (-S) allows CMSG reed or DMSG/EMSG electronic sensors to track position.
The riveted rolling-packed aluminum barrel keeps the body compact while the internal grease-retaining piston seal ensures long service life. End-of-stroke impact is handled by fixed rubber bumpers. The twin-rod design provides inherent anti-rotation guidance, making it excellent for mounting a workpiece on one end and a position flag or cam on the rear protruding rod.
| Model | Airtac MBLD Dual Axis Type Mini Cylinder MBLD32X15S |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder (double rod) |
| Bore size | Ø32 mm |
| Stroke | 15 mm |
| Acting type | Double acting, double rod |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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.
| Pressure | Extend & retract force |
|---|---|
| 0.5 MPa | 346 N |
| 0.7 MPa | 484 N |
| Max (@1.0 MPa) | 70 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.
| MBLD | MBLD aluminum-barrel double-rod mini cylinder. |
|---|---|
| 32 | Bore size in mm. |
| ×15 | 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).
Drives a 15mm stacking pin in a PCB assembly line; the twin rods prevent binding during rapid 346N retraction.
Ejects microchips from a test socket using equal 346N force both directions, with a rear rod flag triggering an EMSG sensor.
Actuates a nip roller for precise 15mm label contact, relying on the double-rod's anti-rotation stability to keep edges aligned.
For 15mm strokes, sizing is critical. If 346N is excessive, step down to the MBLD25 bore, which provides 206N both ways at 0.5MPa. If your payload requires more push, the MBLD40 bore offers 528N both ways. Note that MBLD mounting is restricted to Basic, FA flange, or LB foot styles—there is no SDB pivot or back-cover option. Additionally, the fixed rubber bumper softens end impact but does not lock position; the rod will drift without live air. For applications needing adjustable air cushioning at the ends, specify the MBLCD variant instead.
Quick checklist
Because the double-rod design creates equal annulus areas on both sides, force is identical in both directions: 346N at 0.5MPa, 484N at 0.7MPa, and a maximum theoretical 71kgf at 1.0MPa.
A rod protrudes from both ends, allowing you to mount a secondary cam or position flag on the rear while driving the main load on the front. The -S code means a built-in magnet is fitted for CMSG, DMSG, or EMSG sensor switches.
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