Airtac SCJ32 Standard Cylinder SCJ32X100-20
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X100-20 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, 100mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke100 mm
- Stroke adjust-20 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X100-20
The SCJ32X100-20 is a 32mm bore double-acting single-rod cylinder with a rear adjusting screw that provides up to 20mm of field-adjustable stroke-end variation, letting you fine-tune the 100mm nominal stroke without swapping the unit. It delivers 402N push and 345N pull at 0.5MPa, rising to 724N push at 0.9MPa, and uses a 12mm diameter piston rod with an M10x1.25 rod thread.
This tie-rod cylinder features a PT1/8 port and a 21mm air cushion for smooth deceleration. The SCJ body length A is 182mm, making it a compact choice for commissioning trials and format changeovers where the end position must be dialled in precisely on the machine.
Airtac SCJ32 Standard Cylinder SCJ32X100-20 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X100-20 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 100 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 SCJ32X100-20
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×100 | 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 SCJ32X100-20 Is Used
Commissioning & Setup
Dial in the exact stroke end position during machine commissioning without removing the cylinder. The 20mm rear screw adjustment allows operators to fine-tune the actuator throw on the fly.
Small-Part Transfer
Adjust the push stroke for different product widths on a packaging line. The 402N push force at 0.5MPa handles light transfer gates and diverters reliably.
Wear Take-Up
Compensate for tooling or gripper wear over time by slightly extending the stroke end. The adjustable screw maintains consistent part contact without reprogramming the PLC.
Is the Airtac SCJ32 Standard Cylinder SCJ32X100-20 the Right Cylinder?
Choose the SCJ32X100-20 when you need to adjust the stroke end within a 20mm window without changing the cylinder. If your force requirement grows, step up to the 40mm bore SCJ which provides 628N push at 0.5MPa. For a fixed-stroke application where the stroke never changes, the standard SC series is a simpler, lower-cost alternative. A direct replacement must match the 32mm bore, 100mm nominal stroke, 20mm adjust range, PT port thread, and basic mounting.
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 SCJ32X100-20 FAQ
At 0.5MPa the push force is 402N and pull force is 345N. At the maximum operating pressure of 0.9MPa, push force reaches 724N. The pull force is lower because the single rod reduces the effective piston area on the return stroke.
Yes, provided the 20mm longer body length A (182mm) fits your space and you accept the rear adjusting screw. The port size, mounting pattern, and force output are identical to the SC32, but you gain the ability to shorten the stroke end by up to 20mm.
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