
The AirTAC Airtac PBJ Adjustable Pen-Type Cylinder PBJ10X80-75S is a double-acting pen-size mini cylinder with a rear adjuster screw that shortens the retract end of the stroke. On a Ø10mm bore it gives a nominal 80mm stroke with a 75mm fine-adjustable window — settable from 5 to 80mm, so you set the end position without changing hardware.
The AirTAC PBJ10X80-75S is a double-acting, adjustable-stroke pen-size mini cylinder. A rear adjuster screw (M4x0.7) with a lock nut shortens the retract end, giving an effective stroke range of 5-80 mm from a nominal 80 mm stroke. The extend end remains fixed. It features a built-in magnet for position sensing and an M5x0.8 air port.
Force is identical to a standard PB cylinder of the same bore, meaning the adjuster carries zero force penalty. It delivers 39.3 N push and 33 N pull at 0.5 MPa. The slim SUS304 stainless body and fixed TPU bumper suit tight jigs. For real work at 0.5 MPa, plan for a safe working load of about 24 N, or roughly 2 kg of vertical lift with a 2:1 margin.
| Model | Airtac PBJ Adjustable Pen-Type Cylinder PBJ10X80-75S |
|---|---|
| Series | PBJ JIS pen-size adjustable-stroke cylinder |
| Bore size | Ø10 mm |
| Rod diameter | Ø4 mm |
| Nominal stroke | 80 mm |
| Adjustable window | 75 mm (5–80 mm) |
| Adjuster thread | M4×0.7 |
| Port size | M5×0.8 |
|---|---|
| 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 100 mm |
The adjuster shortens only the retract end; the extend end is fixed. Force is unchanged from the standard PB double-acting cylinder. Confirm the set position against the product label before installation.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 39.3 N | 33.0 N |
| 0.7 MPa (max) | 55.0 N | 46.2 N |
Adjusting the stroke does not change output force — these are the same values as the standard PB double-acting cylinder of the same bore. Size with a friction margin.
| PBJ | JIS pen-size adjustable-stroke mini-cylinder series. |
|---|---|
| 10 | Bore size in mm. |
| ×80 | Nominal stroke length in mm. |
| -75 | Adjustable-stroke window in mm (10/20/30/40/50/75/100). |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
Fixed body — no separate back-cover code. Mounting accessories: LB, FA. Related PB-family variants: PB (fixed stroke), PBD (double rod), PBR (front-mount).
Dial in the retract stop from 5 to 80 mm during product changeovers without machining new pins or swapping hardware.
Set precise end positions for prototype testing, locking the M4x0.7 adjuster nut once the ideal motion length is found.
Tune the retract end on the fly for light insertion tasks, keeping the same 39.3 N push force at 0.5 MPa.
Selecting this 10 mm bore model gives a 75 mm adjustment window. If you need less force, note there is no smaller PBJ bore, so look at other AirTAC mini series. If you need more thrust, the 12 mm bore provides 56.5 N push at 0.5 MPa. Remember that only the retract position is field-settable; the extend end is fixed.
After dialing in your 5-80 mm range, re-tighten the lock nut to prevent vibration drift. The Ø4 mm rod is for coaxial thrust, so add an external guide if side loads are present. Confirm your ordering essentials: bore, stroke, window, magnet S, and mount.
Quick checklist
The effective stroke range is 5-80 mm. At 0.5 MPa it provides 39.3 N push and 33 N pull. At the maximum 0.7 MPa operating pressure, it yields 55 N push and 46.2 N pull. The air port is M5x0.8 and the rod-end thread is M8x1.0.
The rear screw shortens only the retract end; the extend end is fixed. You must re-tighten the lock nut after setting to prevent vibration drift. The built-in S magnet works with AirTAC reed or electronic switches. A plain cylinder does not hold position on air loss, so use an external stop if needed.
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