The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X175-40S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 40 mm range without swapping the cylinder. Ø32mm bore, 175mm nominal stroke, PT1/8 ports and adjustable end cushioning.
The SCJ32X175-40S is a compact 32 mm bore double-acting single-rod cylinder with a rear adjusting screw that provides a 40 mm field-adjustable stroke range. At 0.5 MPa it delivers 402 N of push force and 345 N on the pull stroke, giving precise end-position tuning for small-bore automation tasks without swapping the cylinder.
This model includes a built-in magnet (suffix -S) so CMSG/DMSG/EMSG reed or solid-state sensors can be clamped directly onto the tie-rod barrel for non-contact position sensing. The 12 mm diameter piston rod runs in a 182 mm body length A(SCJ) and uses PT1/8 ports with M10x1.25 rod threads, making it a drop-in adjustable-stroke solution for light-duty format changes or commissioning fine-tuning.
| Model | Airtac SCJ32 Standard Cylinder SCJ32X175-40S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 175 mm |
| Stroke adjustment | Up to 40 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| Port size | PT1/8 |
| Rod thread | M10×1.25 |
| 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, 21 mm |
| Max stroke | Up to 1000 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 | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 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. |
|---|---|
| 32 | Bore size in mm. |
| ×175 | Nominal (maximum) stroke length in mm. |
| -40 | 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.
Fine-tune the end-of-stroke position during machine bring-up without removing the cylinder. The 40 mm screw adjustment lets technicians quickly dial in the exact stop point for gripper or pusher mechanisms.
Adjust the eject stroke on a packaging line to handle varying product heights. The 32 mm bore provides 402 N of push, and the rear screw allows operators to compensate for tooling wear over time.
Use the SCJ32X175-40S in a test stand where the actuator stroke must be precisely matched to different sample sizes. The built-in magnet enables clean sensor feedback at the adjusted stroke end.
Choose the SCJ32X175-40S when you need to dial in a stroke end position within a 40 mm window on a 32 mm bore platform. If 402 N push is marginal, stepping up to the 40 mm bore SCJ40 series provides 628 N at the same 0.5 MPa pressure. For applications that never require stroke adjustment, the fixed-stroke SC32 cylinder offers a simpler, slightly shorter package.
A direct replacement must match the 32 mm bore, 175 mm nominal stroke, 40 mm adjust range, PT port thread, and the built-in magnet. The SCJ mounting subset includes basic, FA front flange, LB foot, and TC centre trunnion; note that FB flange and CA/CB clevis mounts are not available for this tie-rod series.
Adjustable-stroke checklist
At the standard 0.5 MPa operating pressure, the cylinder generates 402 N of push force and 345 N of pull force. At the maximum operating pressure of 0.9 MPa, the push force increases to 724 N. Because it is a single-rod cylinder, the pull force is always lower due to the rod area.
A rear-cap adjusting screw shortens the stroke end by up to 40 mm from the 175 mm nominal maximum, letting you fine-tune the stop position without changing the cylinder. To replace an existing unit, match the 32 mm bore, 175 mm nominal stroke, 40 mm adjust range, PT port thread, and the -S magnet option.
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