Airtac PB Pen-type Cylinder PB12X80R
The AirTAC Airtac PB Pen-type Cylinder PB12X80R is a double-acting pen-size (mini) air cylinder with a Ø12mm bore and 80mm stroke. Its slim round barrel and back cover are stainless steel, the M5×0.8 ports keep plumbing compact, and the fast, low-friction piston suits high-cycle small-part handling.
- BoreØ12 mm
- Stroke80 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM10×1.0
- CushionElastic bumper (both ends)
About the Airtac PB Pen-type Cylinder PB12X80R
The AirTAC PB12X80R is a double-acting JIS pen-size mini cylinder engineered for compact, high-frequency motion. It features a 12mm bore and an 80mm stroke, generating 56.5 N of push and 46.7 N of pull at 0.5 MPa. The slim SUS304 stainless barrel and piston rod provide durability in damp or mildly corrosive environments while keeping end-of-arm tooling light.
This specific configuration includes an R axial air inlet for in-line plumbing and uses an M5x0.8 port. Because it lacks a sensor magnet, position detection is not supported without modification. The Ø6-Ø16 bore range relies on a fixed TPU bumper at each end rather than an adjustable air cushion, meaning the last few millimeters of travel are decelerated by a fixed rubber stop. For an 80mm stroke, the slender Ø5 mm rod requires strict coaxial alignment to prevent side-loading damage.
Airtac PB Pen-type Cylinder PB12X80R Technical Specifications
| Model | Airtac PB Pen-type Cylinder PB12X80R |
|---|---|
| Series | PB JIS pen-size mini cylinder |
| Bore size | Ø12 mm |
| Rod diameter | Ø5 mm |
| Stroke | 80 mm |
| Acting type | Double acting |
| Port size | M5×0.8 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 0.7 MPa |
| Proof pressure | 1.2 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 800 mm/s |
| Cushion | Elastic bumper (both ends) |
| Max standard stroke | Up to 300 mm |
Specifications follow the official AirTAC PB pen-size datasheet. Piston rod and barrel are stainless steel. Confirm bore, stroke and back-cover option against the product label before installation.
Theoretical Output Force (Ø12mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 56.5 N | 46.7 N |
| 0.7 MPa (max) | 79.1 N | 65.4 N |
Values are taken from the AirTAC PB thrust table. Because pull acts on the rod-side annular area, pull force is always lower than push. Actual usable force is reduced by friction — size with a margin.
Model Code: Airtac PB Pen-type Cylinder PB12X80R
| PB | JIS pen-size double-acting mini-cylinder series. |
|---|---|
| 12 | Bore size in mm. |
| ×80 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
| CB / U / R | Back cover: CB double clevis, U 90° side inlet, R axial inlet (bore-dependent). |
Mounting accessories: LB, FA, CJ. Related PB-family variants: PSB (single-acting push), PTB (single-acting pull), PBD (double rod), PBJ (adjustable stroke), PBR (front-mount).
Where the Airtac PB Pen-type Cylinder PB12X80R Is Used
PCB Depaneling Router
Advances a cutting tool guide along an 80mm path within a dense electronics assembly fixture, utilizing the 34 N safe working load to maintain steady feed without stressing the lightweight frame.
Blister Pack Flap Tucking
Extends repeatedly to fold cardboard inserts into pharmaceutical blister packs, where the fixed TPU bumper absorbs the impact of 50-800 mm/s cycling speeds at the end of each stroke.
Small Parts Diverter Gate
Pushes lightweight plastic caps across a conveyor belt, relying on the axial R inlet for flat in-line plumbing that keeps the pneumatic routing clear of adjacent sorting machinery.
Is the Airtac PB Pen-type Cylinder PB12X80R the Right Cylinder?
When sizing this actuator, consider stepping down to the Ø10 bore if your payload is lighter, which offers 39.3 N push at 0.5 MPa, or moving up to the Ø16 bore for heavier resistance, providing 100.5 N push at 0.5 MPa. For the PB12X80R specifically, plan for a safe working load of about 34 N (roughly 60% of the 0.5 MPa theoretical force) to account for seal friction and smooth travel.
A standard double-acting cylinder drifts when air pressure is lost or the valve is centered, as the internal bumper only decelerates the piston near stroke end rather than locking it. If your application requires fail-safe load holding, you must incorporate an external stop or rod lock. To order, confirm the 12mm bore, 80mm stroke, M5x0.8 port, R axial inlet, and the absence of a magnet.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Slim pen body vs. a standard round cylinder
- ✓ Back cover: CB / U / R inlet direction
- ✓ Magnet (S) for sensors?
- ✓ Mounting: LB / FA / CJ or front thread
- ✓ Keep the load coaxial — avoid side load
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 0.7 MPa operating pressure.
- check Keep the load coaxial; avoid side load on the thin rod.
- check Do not dismantle the front or back cover.
- check Fit dust caps to ports during long-term storage.
- check Installation by qualified personnel per AirTAC docs.
Airtac PB Pen-type Cylinder PB12X80R FAQ
At 0.5 MPa, this double-acting cylinder provides 56.5 N push and 46.7 N pull. At the maximum operating pressure of 0.7 MPa, it yields 79.1 N push and 65.4 N pull. It operates between 0.15-0.7 MPa at speeds of 50-800 mm/s.
It uses a fixed TPU bumper at each end to decelerate the last few millimeters of travel, which is not field-adjustable; for high mass at mid-speed, add an external shock absorber. It does not hold position on air loss, so an external rod lock is required for fail-safe holding.
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Related AirTAC PB Pen-Size Cylinders
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