Airtac SCJ32 Standard Cylinder SCJ32X350-50
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X350-50 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 50 mm range without swapping the cylinder. Ø32mm bore, 350mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke350 mm
- Stroke adjust-50 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X350-50
The SCJ32X350-50 brings field-adjustable stroke control to a compact 32 mm bore tie-rod cylinder. Its rear-cap screw lets you shorten the stroke end by up to 50 mm, so commissioning engineers can dial in the exact stopping position without re-plumbing or adding external hard stops. With a 12 mm rod and PT1/8 ports, it delivers 402 N of push force at 0.5 MPa, rising to 724 N at the 0.9 MPa maximum operating pressure.
This model uses the standard 350 mm nominal stroke, well within the 1000 mm maximum for the 32 mm bore. The 21 mm air cushion decelerates the piston smoothly, and the body length A(SCJ) is 182 mm. It ships with a basic mount, TPU seals for -20 to +70 °C, and PT threads, ready for straightforward inline installation where stroke-end fine-tuning is a commissioning or changeover requirement.
Airtac SCJ32 Standard Cylinder SCJ32X350-50 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X350-50 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 350 mm |
| Stroke adjustment | Up to 50 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.
Theoretical Output Force (Ø32mm)
| 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.
Model Code: Airtac SCJ32 Standard Cylinder SCJ32X350-50
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×350 | Nominal (maximum) stroke length in mm. |
| -50 | 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.
Where the Airtac SCJ32 Standard Cylinder SCJ32X350-50 Is Used
Commissioning & Setup
During machine bring-up, technicians can back out the rear adjusting screw to fine-tune the actuator's end stop by up to 50 mm, eliminating the need to fabricate shims or reposition external sensors for a 350 mm stroke.
Wear Take-Up on Stops
In repetitive part-transfer tasks, the mechanical stop surface can wear over time, changing the stopping point. The 50 mm adjustment range lets operators compensate for this wear in seconds, restoring the precise 350 mm stroke end position.
Format Changeover
On a small packaging or assembly cell, switching between product sizes often requires a slightly different push stroke. The SCJ32X350-50 allows a quick stroke-end tweak within a 50 mm window, avoiding a cylinder swap for minor format adjustments.
Is the Airtac SCJ32 Standard Cylinder SCJ32X350-50 the Right Cylinder?
Choose the SCJ32X350-50 when your application needs a 350 mm stroke with the ability to trim the end position by up to 50 mm on the machine. If you need more push force, step up to the 40 mm bore SCJ40, which provides 628 N at 0.5 MPa. If the stroke length is fixed and will never need adjustment, a standard SC32X350 fixed-stroke cylinder is a simpler, lower-cost alternative. For a direct replacement, match the 32 mm bore, 350 mm nominal stroke, 50 mm adjust range, PT port thread, and basic mounting style.
At this 350 mm stroke, the 12 mm rod is relatively slender. If the load applies any side force or the cylinder is mounted horizontally with a heavy end effector, consider adding an external guide rail or switching to a guided cylinder to prevent rod bending and premature seal wear.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-50)
- ✓ Required force at your working pressure
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Set the rear adjusting screw, then lock it before running.
- check Adjust end cushion screws for smooth stops.
- check Use SCJ mounting accessory (FA / LB / TC / TCM1).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCJ32 Standard Cylinder SCJ32X350-50 FAQ
At 0.5 MPa, the push force is 402 N and the pull force is 345 N (the difference is due to the single 12 mm rod). At the maximum operating pressure of 0.9 MPa, the push force reaches 724 N. Always use the pull force figure when sizing the cylinder for a retracting load.
Yes, the SCJ32X350-50 is a direct dimensional replacement for an SC32X350, provided the extra length of the rear adjusting screw housing is accommodated. It uses the same PT1/8 ports, 12 mm rod, and basic mounting footprint. The key addition is the 50 mm stroke-end adjustment range, which you can leave at the full 350 mm position to match the original stroke exactly.
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