Airtac SCJ32 Standard Cylinder SCJ32X160-20
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X160-20 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 20 mm range without swapping the cylinder. Ø32mm bore, 160mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke160 mm
- Stroke adjust-20 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X160-20
The SCJ32X160-20 is a double-acting, single-rod pneumatic cylinder from AirTAC, featuring a rear-cap adjusting screw that allows the stroke end position to be fine-tuned by up to 20 mm. This 32 mm bore actuator delivers a push force of 402 N at 0.5 MPa, making it a compact yet robust solution for light automation tasks where the final stop point needs on-machine adjustment.
Its 12 mm diameter piston rod and PT1/8 ports are standard for this bore class. The cylinder body has a length A of 182 mm and incorporates an adjustable air cushion for smooth deceleration. The 160 mm nominal stroke is well within the 1000 mm maximum standard stroke for the 32 mm bore, ensuring ready availability.
Airtac SCJ32 Standard Cylinder SCJ32X160-20 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X160-20 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 160 mm |
| Stroke adjustment | Up to 20 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 SCJ32X160-20
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×160 | Nominal (maximum) stroke length in mm. |
| -20 | 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 SCJ32X160-20 Is Used
End-Stop Commissioning
Fine-tune the retract stroke end during machine setup without dismounting the cylinder. The 20 mm adjustment screw lets technicians dial in the precise stopping point for pick-and-place mechanisms.
Wear Take-Up on Stops
Compensate for mechanical wear on conveyor stops or clamps. The adjustable stroke can be periodically lengthened by a few millimeters to maintain consistent positioning without replacing the actuator.
Small-Part Ejector
Ideal for a small-part ejector where the push stroke must be precisely limited to avoid damaging the next component in the queue. The 402 N push force is sufficient for ejecting light plastic or metal parts.
Is the Airtac SCJ32 Standard Cylinder SCJ32X160-20 the Right Cylinder?
Step up to the SCJ40 bore for a push force of 628 N at 0.5 MPa if the 402 N output of this 32 mm model is marginal. For applications where the stroke length is fixed and will never need field adjustment, the standard SC32 fixed-stroke cylinder is a simpler, cost-effective alternative. This SCJ32X160-20 is a direct replacement for any AirTAC SCJ32X160-20 with PT ports and basic mounting. For strokes of 300 mm or more, evaluate side-loading on the 12 mm rod and consider an external guide rail to prevent bending.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-20)
- ✓ 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 SCJ32X160-20 FAQ
At the standard operating pressure of 0.5 MPa, this cylinder provides a push force of 402 N and a pull force of 345 N. The push force is higher because it acts on the full 32 mm bore area, while the pull force is reduced by the area of the 12 mm piston rod.
A screw mechanism in the rear cap acts as an internal, adjustable end-stop for the piston. Turning the screw changes the retracted stroke end position by up to 20 mm. This allows you to shorten the effective stroke from the nominal 160 mm without affecting the cylinder's force or speed.
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