Airtac SCJ32 Standard Cylinder SCJ32X50-50
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X50-50 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, 50mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke50 mm
- Stroke adjust-50 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X50-50
The SCJ32X50-50 is a double-acting, single-rod pneumatic cylinder that puts stroke-end fine-tuning directly in your hands. Its rear-cap adjusting screw provides a full 50 mm of adjustment range, allowing you to dial in the exact stop position without swapping the cylinder or adding external hard stops. With a 12 mm diameter piston rod and PT1/8 ports, it delivers a compact yet robust 402 N of push force at 0.5 MPa.
Built on the proven AirTAC tie-rod platform, this 32 mm bore unit includes an adjustable air cushion for smooth deceleration and a body length A of 182 mm. The adjustable stroke is ideal for commissioning trials, format changeovers, or taking up mechanical wear over time. It operates on filtered air from 0.15 to 1.0 MPa and handles speeds from 30 to 800 mm/s, making it a versatile workhorse for light automation tasks.
Airtac SCJ32 Standard Cylinder SCJ32X50-50 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X50-50 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 50 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 SCJ32X50-50
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×50 | 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 SCJ32X50-50 Is Used
Commissioning & Setup
The 50 mm adjustment range lets technicians quickly fine-tune the end-stop during machine commissioning without needing to re-plumb or swap cylinders, saving hours of setup time on new automation cells.
Wear Take-Up
In packaging or assembly lines, mechanical stops can wear over time. The SCJ's screw allows operators to compensate for this wear instantly, maintaining precise positioning without replacing the actuator.
Format Changeover
For machines that process different product sizes, the adjustable stroke enables rapid changeover between formats. The operator simply turns the rear screw to set the new stroke end, eliminating the need for multiple fixed-stroke cylinders.
Is the Airtac SCJ32 Standard Cylinder SCJ32X50-50 the Right Cylinder?
Choose the SCJ32X50-50 when you need to fine-tune the end position of a 32 mm bore cylinder by up to 50 mm. If your force requirement is lower, the fixed-stroke SC series in this bore offers the same 402 N push at 0.5 MPa without the adjustment mechanism. For higher force, stepping up to a 40 mm bore provides 628 N of push at the same pressure. If your application involves significant side loads, consider an external guide rail or a guided cylinder, as the 12 mm rod can be vulnerable to bending. This model is a direct replacement for any AirTAC SCJ32X50-50 with PT threads and basic mounting.
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 SCJ32X50-50 FAQ
At 0.5 MPa, the push force is 402 N and the pull force is 345 N. The push force is higher because the single rod reduces the effective piston area on the return stroke. At the maximum operating pressure of 1.0 MPa, the theoretical push force reaches 804 N.
Yes, this is a genuine AirTAC SCJ32X50-50 with a 50 mm adjustable stroke range, PT1/8 ports, and basic mounting. It is a direct dimensional and performance match for any previous SCJ32X50-50 cylinder with the same specifications. Ensure your port thread type matches (PT standard).
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