Airtac SCJ32 Standard Cylinder SCJ32X20-10LB
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X20-10LB 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, 20mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke20 mm
- Stroke adjust-10 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X20-10LB
The SCJ32X20-10LB is a 32 mm bore double-acting, single-rod air cylinder with a field-adjustable stroke end, giving you a 10 mm tuning range on the 20 mm nominal stroke. This model is equipped with an LB foot mount for rigid surface installation and delivers 402 N of push force at 0.5 MPa, making it a compact workhorse for light positioning tasks.
A rear-cap adjusting screw lets you fine-tune the stroke end position without dismounting the cylinder, which is ideal for commissioning and wear take-up. The 12 mm diameter piston rod and M10x1.25 rod thread provide solid connection, while the 21 mm air cushion decelerates the piston smoothly at the end of travel.
Airtac SCJ32 Standard Cylinder SCJ32X20-10LB Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X20-10LB |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 20 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 SCJ32X20-10LB
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×20 | 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 SCJ32X20-10LB Is Used
Commissioning Fine-Tuning
Adjust the 10 mm stroke end on the fly during machine setup to perfectly align a stop position without swapping out the cylinder or adding external hard stops.
Small Part Diverter
Use the adjustable stroke to dial in the exact extension needed for a diverter gate on a compact conveyor, accommodating different product widths with a simple screw adjustment.
Wear Compensation
In high-cycle clamping fixtures, the 10 mm adjustment range allows operators to compensate for pad wear over time, maintaining consistent clamping force without replacing the tooling.
Is the Airtac SCJ32 Standard Cylinder SCJ32X20-10LB the Right Cylinder?
Choose the SCJ32 when you need a compact, adjustable push force of 402 N. If your load requires more force, step up to the SCJ40 bore which provides 628 N of push at the same 0.5 MPa pressure. For applications where the stroke is fixed and never needs field adjustment, the standard SC32 fixed-stroke cylinder is a more economical choice. This SCJ32X20-10LB is a direct replacement for an identical AirTAC model with the same 32 mm bore, 20 mm stroke, 10 mm adjustment range, PT port thread, and LB foot mount.
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 SCJ32X20-10LB FAQ
At the standard operating pressure of 0.5 MPa, this cylinder delivers 402 N of push force and 345 N of pull force. The maximum push force at 0.9 MPa is 724 N. The pull force is lower because the rod reduces the effective piston area on the return stroke.
The rear cap has an integrated adjusting screw that sets the stroke end position. You can shorten the 20 mm nominal stroke by up to 10 mm in the retract direction. This is a mechanical stop adjustment and does not change the cylinder's force or speed.
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