The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X20-10 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. Ø32mm bore, 20mm nominal stroke, PT1/8 ports and adjustable end cushioning.
The SCJ32X20-10 is a compact double-acting, single-rod pneumatic cylinder with a field-adjustable stroke. A rear-cap adjusting screw lets you fine-tune the stroke end position by up to 10 mm, making it ideal for commissioning trials and wear take-up on small automation cells. The 12 mm diameter piston rod and M10x1.25 rod thread provide solid guidance for light-duty push/pull tasks.
At 0.5 MPa air pressure, this 32 mm bore cylinder delivers 402 N of push force and 345 N on the pull stroke. Its PT1/8 ports and 21 mm air cushion ensure smooth deceleration. The body length A(SCJ) is 182 mm, and the standard TPU seals suit ambient temperatures from -20 to +70 °C.
| Model | Airtac SCJ32 Standard Cylinder SCJ32X20-10 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 20 mm |
| Stroke adjustment | Up to 10 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. |
| ×20 | 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.
Fine-tune the end-stop position during machine setup without swapping cylinders. The 10 mm adjustment range allows operators to dial in precise actuator travel for sensors or grippers.
In high-cycle pick-and-place units, mechanical stops can wear. The SCJ32X20-10's screw adjuster lets technicians quickly take up slack and restore accurate positioning without disassembling the tooling.
Use as an adjustable end-stop on a mini conveyor. The 10 mm stroke adjustment easily accommodates different product sizes or format changeovers in packaging lines.
Choose this 32 mm bore for light clamping, sorting, or ejection where space is tight. If you need more force, step up to the 40 mm bore SCJ40 series, which provides 628 N of push force at the same 0.5 MPa pressure. For applications needing a fixed, non-adjustable stroke, the standard SC32 series is a direct alternative.
This model is a direct replacement for any AirTAC SCJ32X20-10 cylinder with PT threads and basic mounting. The adjustable stroke is set via the rear screw and does not alter the cylinder's force output. For strokes over 300 mm in larger bores, consider an external guide to manage side loads, but this 20 mm stroke application is inherently rigid.
Adjustable-stroke checklist
At 0.5 MPa, the push force is 402 N and the pull force is 345 N. The maximum push force at the 0.9 MPa operating limit is 724 N. The pull force is lower because the rod reduces the effective piston area on the retract stroke.
A rear-cap screw physically limits the piston's forward travel by up to 10 mm, setting a precise stroke end. It is a drop-in replacement for an SC32 of the same bore and port type, but you gain the ability to fine-tune the stroke in the field without changing the cylinder body.
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