Airtac SCJ32 Standard Cylinder SCJ32X120-10S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X120-10S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 10 mm range without swapping the cylinder. Ø32mm bore, 120mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke120 mm
- Stroke adjust-10 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X120-10S
The SCJ32X120-10S is a double-acting, single-rod pneumatic cylinder with a rear adjusting screw that allows the stroke end position to be fine-tuned by up to 10 mm without replacing the unit. Its 32 mm bore delivers 402 N of push force at 0.5 MPa, making it a compact solution for light-duty positioning tasks where the final stop point needs to be dialled in during commissioning or after wear.
This model includes a built-in magnet (suffix -S), so CMSG/DMSG/EMSG reed or solid-state sensors can be clamped directly onto the tie-rod barrel for non-contact end-of-stroke detection. The cylinder body length A(SCJ) is 182 mm, and it uses a 12 mm diameter piston rod with an M10x1.25 male thread. The adjustable cushion decelerates the piston smoothly over the last 21 mm of travel.
Airtac SCJ32 Standard Cylinder SCJ32X120-10S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X120-10S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 120 mm |
| Stroke adjustment | Up to 10 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 SCJ32X120-10S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×120 | Nominal (maximum) stroke length in mm. |
| -10 | 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 SCJ32X120-10S Is Used
Commissioning & Setup
The 10 mm adjusting screw lets technicians precisely set the retract stop for a 32 mm bore gripper or pusher during machine bring-up, eliminating the need to fabricate shims or external hard stops.
Small Part Stops
In a packaging line, this cylinder can act as a product gate. The adjustable stroke allows operators to quickly change the stop position to accommodate different box sizes without changing the cylinder.
Wear Take-Up
On a light-duty clamping fixture, the 10 mm adjustment range can be used to compensate for the gradual wear of a contact pad, maintaining consistent clamping force without reprogramming the machine.
Is the Airtac SCJ32 Standard Cylinder SCJ32X120-10S the Right Cylinder?
Choose the SCJ32X120-10S when you need a 32 mm bore cylinder with a 120 mm nominal stroke and the ability to shorten the stroke end by up to 10 mm on the machine. If your force requirement is slightly higher, stepping up to the 40 mm bore SCJ40 series provides 628 N of push force at the same 0.5 MPa pressure. For applications that do not require field adjustment of the stroke, the fixed-stroke SC32X120 is a simpler, cost-effective alternative.
A direct replacement must match the 32 mm bore, 120 mm nominal stroke, 10 mm adjust range, PT port thread, and the built-in magnet. When mounting, this basic cylinder requires a separate bracket from the SCJ subset—options include an FA front flange (F-SC32FA) or an LB foot mount (F-SC32LB). For strokes of 120 mm, rod buckling is not a primary concern, but ensure the load is guided if significant side forces are present.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-10)
- ✓ 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 SCJ32X120-10S FAQ
At 0.5 MPa operating pressure, the push force is 402 N and the pull force is 345 N. The pull force is lower because the 12 mm piston rod reduces the effective piston area on the return stroke. The maximum push force at the 0.9 MPa operating limit is 724 N.
Yes, if you need the ability to fine-tune the stroke end. The SCJ32X120-10S shares the same 32 mm bore, 120 mm nominal stroke, and mounting accessories as the SC series. Ensure the 10 mm adjustment range is sufficient for your application, and note that the SCJ body is slightly longer than the fixed-stroke version to house the adjusting screw.
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