Airtac PB Pen-type Cylinder PB6X35R
The AirTAC Airtac PB Pen-type Cylinder PB6X35R is a double-acting pen-size (mini) air cylinder with a Ø6mm bore and 35mm 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.
- BoreØ6 mm
- Stroke35 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM5×0.8
- CushionElastic bumper (both ends)
About the Airtac PB Pen-type Cylinder PB6X35R
The AirTAC PB6X35R is a JIS double-acting single-rod pen-size mini cylinder engineered for compact, high-frequency motion. It supplies 14.2 N of push and 10.6 N of pull at 0.5 MPa, making it suitable for light-duty jig actuation. The slim SUS304 stainless steel barrel and screwed-in covers provide durability in damp or mildly corrosive environments, while the Ø3 mm rod keeps the overall payload low for end-of-arm tooling.
This 6 mm bore variant features an R axial air inlet for in-line plumbing and uses an M5x0.8 port. It operates at 50-800 mm/s with a fixed TPU bumper at each end to decelerate the stroke. Because there is no -S suffix, this specific unit does not include a sensor magnet.
Airtac PB Pen-type Cylinder PB6X35R Technical Specifications
| Model | Airtac PB Pen-type Cylinder PB6X35R |
|---|---|
| Series | PB JIS pen-size mini cylinder |
| Bore size | Ø6 mm |
| Rod diameter | Ø3 mm |
| Stroke | 35 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 60 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 (Ø6mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 14.2 N | 10.6 N |
| 0.7 MPa (max) | 19.8 N | 14.8 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 PB6X35R
| PB | JIS pen-size double-acting mini-cylinder series. |
|---|---|
| 6 | Bore size in mm. |
| ×35 | 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 PB6X35R Is Used
PCB Depaneling Jig
Pushes a light cutting fixture against a scored circuit board, using its 14.2 N output to snap apart small panels without stressing delicate traces.
Label Applicator Tamp
Extends a 35 mm stroke to press an adhesive label onto a small pharmaceutical carton, relying on the slim 6 mm body to fit between guide rails.
Sample Tube Ejector
Kicks a 1.5 ml microcentrifuge tube out of a stainless steel rack in analytical lab equipment, where the SUS304 build resists ambient humidity.
Is the Airtac PB Pen-type Cylinder PB6X35R the Right Cylinder?
When sizing this actuator, consider stepping down to the Ø4 bore (6.3 N push at 0.5 MPa) for ultra-light tasks, or up to the Ø10 bore (39.3 N push at 0.5 MPa) if you need substantially more thrust. For the PB6X35R, plan for a safe working load of roughly 9 N, which is about 60% of its 14.2 N theoretical output, ensuring smooth travel against seal friction.
A standard PB body drifts when air pressure is lost or the valve is centered, as the fixed bumper only decelerates near the stroke end rather than locking the rod. If your process demands fail-safe position holding, incorporate an external stop or rod lock. Confirm your ordering essentials: 6 mm bore, 35 mm stroke, M5x0.8 port, R axial inlet, no magnet, and no mounting bracket.
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 PB6X35R FAQ
At 0.5 MPa, this double-acting cylinder provides 14.2 N of push and 10.6 N of pull. At the maximum operating pressure of 0.7 MPa, those figures rise to 19.8 N push and 14.8 N pull. It operates between 0.15-0.7 MPa at speeds of 50-800 mm/s.
No, a plain PB cylinder will drift downward if air is lost, as the fixed TPU bumper only decelerates the piston near the end of travel and does not act as a brake. For vertical lifting up to about 0.7 kg with a 2:1 safety margin, you must add an external guide for the thin Ø3 mm rod and a separate locking mechanism to hold the load safely.
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