The AirTAC Airtac SCJ80 Standard Cylinder SCJ80X160-10 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, 160mm nominal stroke, PT3/8 ports and adjustable end cushioning.
The SCJ80X160-10 is an 80 mm bore, double-acting single-rod cylinder with a rear adjusting screw that provides up to 10 mm of field-adjustable stroke-end control. At 0.5 MPa it delivers 2513 N push and 2268 N pull, suiting medium-force clamping, pressing, and positioning tasks where the final stop point needs fine tuning after installation.
This model uses a 25 mm diameter piston rod, PT3/8 ports, and an M20x1.5 rod thread. The integral air cushion (28 mm length) decelerates the piston quietly, and the body length A(SCJ) is 239 mm. The screw shortens the stroke end within the 10 mm range, so the nominal 160 mm stroke can be reduced to as little as 150 mm on the machine without changing the cylinder.
| Model | Airtac SCJ80 Standard Cylinder SCJ80X160-10 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø80 mm |
| Nominal stroke | 160 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. |
| ×160 | 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 bring-up, the 10 mm screw adjustment lets technicians set the exact clamp or stop position without re-plumbing or machining spacers, cutting hours from the commissioning schedule.
On conveyor diverters and part stops, the adjustable stroke end takes up pad wear over time. Operators can restore the original stop line in seconds by turning the rear screw.
Packaging lines that switch between product sizes use the SCJ80X160-10 to shift the push stroke end point. The 10 mm range covers common format variations without swapping cylinders or reprogramming servo axes.
Choose the SCJ80X160-10 when you need to dial in a precise end position during commissioning or after tooling wear. If 2513 N push at 0.5 MPa is insufficient, step up to the 100 mm bore (3927 N push); if the force is more than needed, the 63 mm bore offers 1559 N push. For applications that never require stroke adjustment, the fixed-stroke SC80X160 saves cost and is slightly shorter.
A direct replacement must match an AirTAC SCJ cylinder of 80 mm bore, 160 mm nominal stroke, 10 mm adjust range, PT3/8 ports, and basic mounting. At 160 mm stroke the rod is well supported, but if side loads are present, add an external linear guide or consider a guided cylinder to protect the rod bearing and seal.
Adjustable-stroke checklist
At the standard 0.5 MPa operating pressure, push force is 2513 N and pull force is 2268 N (the difference is due to the single 25 mm rod). At the maximum operating pressure of 1.0 MPa, theoretical push force reaches 5026 N, but the rated maximum is 4523 N at 0.9 MPa.
Yes, provided the mounting and port thread match. The SCJ80X160-10 body is slightly longer (239 mm A dimension) to house the adjusting screw, so check clearance behind the rear cap. The 10 mm adjust range means you can set the stroke end anywhere from 150 mm to 160 mm.
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