The AirTAC Airtac SCJ80 Standard Cylinder SCJ80X160-100TC is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 100 mm range without swapping the cylinder. Ø80mm bore, 160mm nominal stroke, PT3/8 ports and adjustable end cushioning.
The SCJ80X160-100TC is an 80 mm bore double-acting, single-rod pneumatic cylinder with a field-adjustable stroke end, offering up to 100 mm of rear-screw adjustment from its 160 mm nominal maximum. It delivers a push force of 2513 N at 0.5 MPa and can reach 4523 N at the maximum operating pressure of 0.9 MPa, making it a robust actuator for applications requiring mid-range force with on-machine stroke fine-tuning.
This tie-rod cylinder features a 25 mm piston rod, PT3/8 ports, and an M20x1.5 rod thread for secure tooling attachment. Its 28 mm air cushion decelerates the piston quietly at end-of-stroke, while the centre trunnion (TC) mounting, supplied with the TCM1 bracket, allows the cylinder body to pivot, accommodating swinging or angular load paths during operation.
| Model | Airtac SCJ80 Standard Cylinder SCJ80X160-100TC |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø80 mm |
| Nominal stroke | 160 mm |
| Stroke adjustment | Up to 100 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. |
| -100 | 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.
The 100 mm adjustment range allows engineers to dial in the exact stroke end position during machine commissioning without cutting or replacing hard stops, speeding up the run-off phase.
Quickly adapt the cylinder's end position for different product sizes on a packaging or sorting line. The trunnion mount lets the body pivot, simplifying integration into compact, multi-format machines.
In high-cycle clamping or pressing fixtures, the rear screw can be advanced to take up mechanical wear on tooling or contact surfaces, maintaining consistent clamp force without a full cylinder swap.
Step up to the 100 mm bore SCJ for a push force increase to 3927 N at 0.5 MPa if the 2513 N from this 80 mm unit is marginal. For fixed-stroke applications without the need for on-the-fly adjustment, the standard SC80 series offers a slightly shorter body length. A direct replacement must match the 80 mm bore, 160 mm nominal stroke, 100 mm adjustment range, PT3/8 port thread, and centre trunnion mounting style (F-SC80TC). For strokes of 300 mm or more, evaluate the rod bending moment; an external guide rail or a guided cylinder assembly is recommended to protect the rod and bearing from side loads.
Adjustable-stroke checklist
The push force is 2513 N at 0.5 MPa and 4523 N at 0.9 MPa. The pull force is slightly lower at 2268 N at 0.5 MPa due to the 25 mm piston rod reducing the effective area on the retract side.
A screw in the rear cap sets the stroke end position. You can shorten the 160 mm nominal stroke by up to 100 mm in the field. It only adjusts the end stop, not the cylinder's force or speed, and does not lock the piston rod when air pressure is removed.
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