
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X35-30 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 30 mm range without swapping the cylinder. Ø32mm bore, 35mm nominal stroke, PT1/8 ports and adjustable end cushioning.
The SCJ32X35-30 is a double-acting, single-rod pneumatic cylinder with a field-adjustable stroke, allowing the rear stop position to be fine-tuned by up to 30 mm without removing the unit. With a 32 mm bore delivering 402 N of push force at 0.5 MPa and a compact body length A of 182 mm, it suits light automation tasks where commissioning or format changes demand flexible end-position setting.
This model uses a 12 mm diameter piston rod with an M10x1.25 thread and PT1/8 ports. The integrated air cushion (21 mm) ensures quiet deceleration, while the tie-rod construction provides robust service. The adjustable screw sets only the stroke end, not the force or speed, making it a precise mechanical stop for repetitive positioning.
| Model | Airtac SCJ32 Standard Cylinder SCJ32X35-30 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 35 mm |
| Stroke adjustment | Up to 30 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. |
| ×35 | Nominal (maximum) stroke length in mm. |
| -30 | 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.
Ideal for machine builders who need to fine-tune the actuator end-stop during initial system bring-up, eliminating the need to swap cylinders or fabricate custom hard stops.
In clamping or pressing fixtures, the 30 mm adjustment range allows operators to take up slack from pad wear or workpiece variation, maintaining consistent clamping force over time.
Used on diverter gates for small conveyors, where the adjustable stroke lets a single cylinder model handle multiple product widths by simply turning the rear screw.
Choose the SCJ32X35-30 when you need to dial in a precise stroke end within a 30 mm window. If the 402 N push force at 0.5 MPa is insufficient, stepping up to the 40 mm bore provides 628 N. For applications where the stroke is permanently fixed and never needs field adjustment, the standard SC32 fixed-stroke cylinder is a simpler, cost-effective alternative. A direct replacement must match the 32 mm bore, 35 mm nominal stroke, 30 mm adjustable range, PT ports, and basic mounting.
Adjustable-stroke checklist
At 0.5 MPa, the push force is 402 N and the pull force is 345 N due to the single rod reducing the piston area on the return side. The maximum operating push force at 0.9 MPa is 724 N.
Physically, yes, as it shares the same bore and mounting footprint. However, the SCJ body is slightly longer to house the adjusting screw. Ensure the 30 mm adjustment range covers your stroke requirement and that the rear screw mechanism has clearance in your installation.
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