The AirTAC Airtac SCJ80 Standard Cylinder SCJ80X80-10S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 10 mm range without swapping the cylinder. Ø80mm bore, 80mm nominal stroke, PT3/8 ports and adjustable end cushioning.
The SCJ80X80-10S is a double-acting, single-rod pneumatic cylinder with a built-in magnet for position sensing and a rear-cap adjusting screw that provides up to 10 mm of field-adjustable stroke reduction. With an 80 mm bore, it delivers 2513 N of push force and 2268 N of pull force at 0.5 MPa, making it a robust choice for tasks that need both substantial power and the ability to fine-tune the end-of-stroke position without swapping the cylinder.
This model features a 25 mm diameter piston rod, PT3/8 ports, and an M20x1.5 rod thread for secure tooling attachment. The integrated magnet allows for easy mounting of CMSG/DMSG/EMSG sensors directly on the tie-rod barrel, enabling precise end-of-stroke or mid-stroke position feedback. Its 28 mm air cushion decelerates the piston quietly, and the adjustable screw lets operators dial in the exact stroke end needed for commissioning or format changes.
| Model | Airtac SCJ80 Standard Cylinder SCJ80X80-10S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø80 mm |
| Nominal stroke | 80 mm |
| Stroke adjustment | Up to 10 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| Port size | PT3/8 |
| Rod thread | M20×1.5 |
| 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 | Adjustable, 28 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SCJ (adjustable-stroke) datasheet. The rear adjusting screw sets the stroke end position; force is the same as the equivalent single-rod SC bore. Confirm against the product label before installation. Thread options: PT (standard) / G.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
SCJ is single-rod, so force matches the equivalent SC bore: push uses the full bore area, pull subtracts the rod area. Actual usable force is lower than theoretical due to friction and back-pressure; size with a safety margin.
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×80 | Nominal (maximum) stroke length in mm. |
| -10 | Adjustable-stroke range in mm (options 10/20/30/40/50/75/100). |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod, fixed stroke), SCD (double rod), SCT (multi-position). SCJ mounting: Basic, FA, LB, TC, TCM1. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
During machine commissioning, the 10 mm adjustment screw allows engineers to precisely dial in the actuator's stop point for a new fixture without needing to machine custom spacers or order a different stroke cylinder.
In clamping or pressing operations, the adjustable stroke can be used to take up mechanical wear on tooling or workpieces over time, maintaining consistent contact force without reprogramming the machine.
For a packaging line that handles different product heights, the SCJ80X80-10S can be quickly adjusted to change the pusher's stop position, enabling a fast format changeover with a simple mechanical adjustment.
Choose the SCJ80X80-10S when you need the 2513 N push force of an 80 mm bore and the ability to fine-tune the stroke end by up to 10 mm. If your application requires more force, stepping up to a 100 mm bore provides 3927 N of push at 0.5 MPa. For applications needing a fixed, non-adjustable stroke, the standard SC80X80 cylinder is a simpler alternative. This SCJ model is a direct replacement for another AirTAC SCJ80X80-10S with a magnet, PT ports, and basic mounting.
For this 80 mm stroke, side-loading is generally not a primary concern, but if your tooling creates an off-axis force, consider an external guide rail to protect the rod and bearing. The built-in magnet is essential for automated sequences where the controller must confirm the cylinder has reached its adjusted end position.
Adjustable-stroke checklist
At the standard operating pressure of 0.5 MPa, this 80 mm bore cylinder provides a push force of 2513 N and a pull force of 2268 N. The maximum push force at the 0.9 MPa operating limit is 4523 N. The pull force is lower due to the area of the 25 mm piston rod.
A rear-cap screw lets you shorten the stroke end by up to 10 mm from its 80 mm nominal maximum. Choose this SCJ model over a fixed-stroke SC cylinder when you need to fine-tune the stop position on the machine for commissioning, wear take-up, or handling different product sizes without replacing the actuator.
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