Airtac PSB Single Acting Compact Cylinder PSB12X60R
The AirTAC Airtac PSB Single Acting Compact Cylinder PSB12X60R is a single acting, push type (spring return) pen-size mini cylinder with a Ø12mm bore and 60mm stroke. A single air port drives the push stroke; the built-in return spring resets the rod when air is released, so only one solenoid line is needed.
- BoreØ12 mm
- Stroke60 mm
- Port sizeM5×0.8
- Acting typePush, single acting
- Rod threadM10×1.0
- ReturnSpring
About the Airtac PSB Single Acting Compact Cylinder PSB12X60R
The AirTAC PSB12X60R is a JIS pen-size single-acting push cylinder with a 60mm stroke. Air entering the single M5x0.8 port extends the Ø5mm rod, while an internal spring ensures fail-safe retraction upon air loss. This single-line design simplifies valving and tubing, providing 42.9N of net push at 0.5 MPa. The SUS304 stainless barrel and slim body fit easily into tight jigs.
Because the return spring constantly opposes the air stroke, a minimum operating pressure of 0.2 MPa is required before motion begins. The built-in fixed TPU bumper decelerates the piston at the end of travel, though at high speeds with heavy tooling mass, adding an external shock absorber is advised. With no -S suffix, this unit lacks a sensor magnet.
Airtac PSB Single Acting Compact Cylinder PSB12X60R Technical Specifications
| Model | Airtac PSB Single Acting Compact Cylinder PSB12X60R |
|---|---|
| Series | PSB JIS pen-size mini cylinder |
| Bore size | Ø12 mm |
| Rod diameter | Ø5 mm |
| Stroke | 60 mm |
| Acting type | Single acting, push type (spring return) |
| Port size | M5×0.8 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.2 – 0.7 MPa |
| Proof pressure | 1.2 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 800 mm/s |
| Return | Return spring (push by air) |
| Max standard stroke | Up to 60 mm |
The spring holds the rod retracted; applying air pushes the rod out, and removing air lets the spring return it. Forces below are the NET spring-deducted values from the AirTAC thrust table. Confirm against the product label before installation.
Net Push Force (Ø12mm)
| Pressure | Net push force |
|---|---|
| 0.5 MPa | 42.9 N |
| 0.7 MPa (max) | 65.5 N |
These are the usable push forces after the return spring is subtracted, taken directly from the AirTAC single-acting thrust table. Minimum operating pressure is set by the spring, so this model needs at least the lower pressure shown to move.
Model Code: Airtac PSB Single Acting Compact Cylinder PSB12X60R
| PSB | JIS pen-size single acting, push type (spring return) mini-cylinder series. |
|---|---|
| 12 | Bore size in mm. |
| ×60 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
| R / U / CB | Back cover: R axial inlet, U 90° side inlet, CB double clevis (bore-dependent). |
Mounting accessories: LB, FA, CJ. Related PB-family variants: PB (double acting), PTB (single-acting pull), PBD (double rod), PBR (front-mount).
Where the Airtac PSB Single Acting Compact Cylinder PSB12X60R Is Used
Part Ejector
Pushes machined components off a conveyor line; the spring guarantees the probe retracts clear if compressed air drops unexpectedly.
Clamp Release
Applies 42.9N of holding thrust at 0.5 MPa to secure a light workpiece, automatically letting go when air is exhausted.
Flap Folder
Extends to tuck carton flaps on a packaging line, utilizing the compact pen-size body to fit within narrow machine guards.
Is the Airtac PSB Single Acting Compact Cylinder PSB12X60R the Right Cylinder?
This 12mm bore provides 42.9N net push at 0.5 MPa and 65.5N at the 0.7 MPa maximum. Sizing both ways: the smaller Ø10 bore yields 29.8N at 0.5 MPa, while the larger Ø16 bore offers 74.8N. Good practice loads a cylinder to roughly 60-70% of theoretical force for smooth travel, so plan for about 26N of real work. For vertical lifts, this translates to safely raising about 2.2 kg with a 2:1 margin.
The 60mm stroke represents the maximum single-acting limit for this series. Over this length, the slender Ø5mm rod is susceptible to buckling under off-axis loads, so incorporate an external linear bearing if side forces exist. Confirm your ordering essentials: 12mm bore, 60mm stroke, no magnet, R axial inlet, and required mounting bracket.
Quick checklist
- ✓ Net push force at your working pressure
- ✓ Only one air line / solenoid needed
- ✓ Fail-safe retract on air loss
- ✓ Magnet (S) for sensors?
- ✓ Stroke ≤ 60 mm (single-acting limit)
- ✓ Keep the load coaxial — avoid side load
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.2 – 0.7 MPa operating pressure.
- check Allow for spring force in the stroke direction.
- check Do not add an external return mechanism.
- check Keep the load coaxial; avoid side load on the thin rod.
- check Do not dismantle the front or back cover.
Airtac PSB Single Acting Compact Cylinder PSB12X60R FAQ
The usable push force is 42.9N at 0.5 MPa and 65.5N at 0.7 MPa. Because the internal spring opposes extension, a minimum of 0.2 MPa is needed to move the rod, and the cylinder fails safe to the retracted position on air loss.
It uses a fixed TPU bumper at each end to decelerate the piston over the last few millimeters. This bumper is not adjustable; at high cycle speeds with real tooling mass, you should meter-out the exhaust or install an external shock absorber to prevent bottoming out.
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