Airtac SCJ32 Standard Cylinder SCJ32X500-50
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X500-50 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, 500mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke500 mm
- Stroke adjust-50 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X500-50
The SCJ32X500-50 is a double-acting, single-rod pneumatic cylinder with a 32 mm bore, a 500 mm nominal stroke, and a 50 mm rear adjusting screw that lets you fine-tune the stroke end position directly on the machine. Its 12 mm diameter piston rod delivers 402 N of push force and 345 N of pull force at 0.5 MPa, making it a compact yet capable actuator for mid-length linear moves that require precise end-stop adjustment during commissioning or changeovers.
This tie-rod cylinder features an adjustable air cushion (21 mm long) for smooth deceleration and a PT1/8 port. The body length A for this SCJ model is 182 mm plus stroke, and the standard operating speed ranges from 30 to 800 mm/s. With a 50 mm adjustment range, operators can easily compensate for tooling wear or fine-tune the stopping position without dismounting the cylinder or adding external hard stops.
Airtac SCJ32 Standard Cylinder SCJ32X500-50 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X500-50 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 500 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 SCJ32X500-50
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×500 | 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 SCJ32X500-50 Is Used
End-Stop Commissioning
During machine setup, the 50 mm adjustment screw allows technicians to precisely dial in the retract stroke end without repeatedly shimming or moving external sensors, saving hours of trial-and-error alignment.
Wear Compensation
On packaging lines, the adjustable stroke compensates for gradual wear on pusher pads or gripper fingers, maintaining consistent product placement without immediate part replacement.
Format Changeovers
In small-part assembly, the SCJ32X500-50 lets operators quickly adjust the stroke to match different component lengths during batch changeovers, eliminating the need to stock multiple fixed-stroke cylinders.
Is the Airtac SCJ32 Standard Cylinder SCJ32X500-50 the Right Cylinder?
Choose the SCJ32X500-50 when you need a 500 mm stroke with the ability to dial in the exact end position within a 50 mm window. If your application demands higher force, step up to the SCJ40 series, which provides 628 N of push force at 0.5 MPa from its 40 mm bore. For applications where the stroke is fixed and never needs field adjustment, the standard SC32X500 fixed-stroke cylinder is a simpler, cost-effective alternative.
At a 500 mm stroke, rod buckling and side-loading become important considerations. Ensure the load is guided externally or use a guided cylinder if significant lateral forces are present. This model is a direct replacement for any AirTAC SCJ32X500-50 with PT ports and basic mounting; for a magnet-equipped version, order SCJ32X500-50S.
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 SCJ32X500-50 FAQ
At 0.5 MPa, the push force is 402 N and the pull force is 345 N (the difference is due to the 12 mm rod area). At the maximum operating pressure of 1.0 MPa, the theoretical push force reaches 804 N. Always apply a safety factor for dynamic loads.
Yes, the SCJ32X500-50 shares the same bore, port (PT1/8), and mounting dimensions as the SC32 series. The adjustable version has a slightly longer body to house the rear adjusting screw, so check the 182 mm + stroke body length against your available space.
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