Airtac SCJ32 Standard Cylinder SCJ32X450-100S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X450-100S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 100 mm range without swapping the cylinder. Ø32mm bore, 450mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke450 mm
- Stroke adjust-100 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X450-100S
The SCJ32X450-100S delivers up to 724 N of push force at 0.9 MPa, making it a compact yet capable choice for mid-stroke positioning tasks. Its rear adjusting screw provides a full 100 mm of stroke-end reduction, so you can fine-tune the stopping point from 350 mm up to the nominal 450 mm without swapping the cylinder.
This model includes a built-in magnet, allowing direct mounting of CMSG, DMSG, or EMSG sensors for reliable end-of-stroke detection. The 12 mm diameter piston rod and PT1/8 ports keep the unit light and easy to plumb, while the 21 mm air cushion at each end protects the end caps during high-speed cycling.
Airtac SCJ32 Standard Cylinder SCJ32X450-100S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X450-100S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 450 mm |
| Stroke adjustment | Up to 100 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 SCJ32X450-100S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×450 | Nominal (maximum) stroke length in mm. |
| -100 | 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 SCJ32X450-100S Is Used
Commissioning & Setup
During machine bring-up, the 100 mm adjustment range lets technicians dial in the exact material stop position without fabricating custom hard stops, saving hours of mechanical rework.
Product Changeover
On a packaging line, quickly reset the pusher stroke from 350 mm to 450 mm when switching between small and large box formats by simply turning the rear screw.
Wear Compensation
In a clamping fixture, the adjustable stroke end can be periodically advanced to compensate for jaw or pad wear, maintaining consistent clamping force without replacing the cylinder.
Is the Airtac SCJ32 Standard Cylinder SCJ32X450-100S the Right Cylinder?
For applications needing a bit more force, stepping up to the SCJ40 series provides 628 N of push at 0.5 MPa versus this 32 mm bore's 402 N. If your stroke length is fixed and you don't need field adjustability, the standard SC32X450 fixed-stroke cylinder is a simpler, cost-effective alternative. This SCJ32X450-100S is a direct dimensional replacement only for another AirTAC SCJ32 adjustable-stroke cylinder with the same 450 mm nominal stroke, 100 mm adjust range, PT ports, and basic mounting. At 450 mm of stroke, ensure the rod is adequately supported against side loads; consider an external guide rail if the load is not perfectly axial.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-100)
- ✓ 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 SCJ32X450-100S FAQ
At 0.5 MPa, it produces 402 N pushing and 345 N pulling. At the maximum operating pressure of 1.0 MPa, the theoretical push force reaches 804 N. The pull force is lower due to the 12 mm single rod.
Yes, if your existing unit is an AirTAC SCJ32 with a 450 mm nominal stroke, a 100 mm adjust range, PT ports, and basic mounting. The built-in magnet on this -S model adds sensor compatibility without changing the envelope or mounting footprint.
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