Airtac SCJ100 Standard Cylinder SCJ100X58-50S
The AirTAC Airtac SCJ100 Standard Cylinder SCJ100X58-50S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 50 mm range without swapping the cylinder. Ø100mm bore, 58mm nominal stroke, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Nominal stroke58 mm
- Stroke adjust-50 mm
- Port sizePT1/2
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SCJ100 Standard Cylinder SCJ100X58-50S
The AirTAC SCJ100X58-50S is a double-acting, single-rod pneumatic cylinder that puts field-adjustable stroke control directly into a 100 mm bore package. With a nominal stroke of 58 mm and a rear-cap adjusting screw offering a 50 mm reduction range, you can fine-tune the stroke end position during commissioning or changeovers without swapping the cylinder. It delivers a robust 3927 N of push force at 0.5 MPa, scaling up to 7068 N at the maximum operating pressure of 0.9 MPa.
The built-in magnet, designated by the -S suffix, allows direct mounting of CMSG, DMSG, or EMSG reed and solid-state sensors along the tie-rod barrel for precise end-of-stroke detection. The rod diameter is 25 mm with an M20x1.5 thread, and the PT1/2 port ensures straightforward pneumatic connections. Its adjustable air cushion, with a 29 mm cushion length, decelerates the piston smoothly, protecting the end cap during high-cycle operation.
Airtac SCJ100 Standard Cylinder SCJ100X58-50S Technical Specifications
| Model | Airtac SCJ100 Standard Cylinder SCJ100X58-50S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø100 mm |
| Nominal stroke | 58 mm |
| Stroke adjustment | Up to 50 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| Port size | PT1/2 |
| Rod thread | M20×1.5 |
| 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, 29 mm |
| Max stroke | Up to 1500 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 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 SCJ100 Standard Cylinder SCJ100X58-50S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×58 | Nominal (maximum) stroke length in mm. |
| -50 | 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 SCJ100 Standard Cylinder SCJ100X58-50S Is Used
Commissioning & Setup
During machine commissioning, the 50 mm adjustment screw allows engineers to precisely set the actuator's end-stop for perfect alignment with tooling or stops, eliminating the need for shims or custom spacers.
Product Format Changeover
In packaging or sorting lines, operators can quickly adjust the cylinder's stroke to accommodate different box sizes or product positions, minimizing downtime between production runs.
Wear Compensation
In high-cycle clamping or pressing fixtures, the adjustable stroke can be used to take up mechanical wear on contact surfaces over time, maintaining consistent clamping force without replacing the cylinder.
Is the Airtac SCJ100 Standard Cylinder SCJ100X58-50S the Right Cylinder?
Choose the SCJ100X58-50S when your application demands a powerful push force of nearly 4000 N at standard line pressure and the flexibility to dial in the exact stroke end on the machine. If your force requirement is lower, stepping down to the 80 mm bore SCJ80 series reduces push force to 2513 N at 0.5 MPa, saving space and air consumption. For applications needing a fixed, non-adjustable stroke, the standard SC100 series is a simpler, more cost-effective alternative.
This model is a direct replacement for another AirTAC SCJ100 cylinder with a 58 mm nominal stroke, a 50 mm adjustment range, a built-in magnet, and PT ports. For strokes of 300 mm or more, even on a 100 mm bore, evaluate side-loading on the 25 mm rod. If the load is not perfectly guided, consider adding an external guide rail or switching to a guided cylinder to prevent rod bending and premature seal wear.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-50)
- ✓ 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 SCJ100 Standard Cylinder SCJ100X58-50S FAQ
The push force is 3927 N at 0.5 MPa and 7068 N at 0.9 MPa. The pull force is slightly lower due to the rod area, providing 3681 N at 0.5 MPa. These values are identical to a fixed-stroke SC100 cylinder of the same bore.
Yes, if you need field adjustability. The SCJ100X58-50S matches the mounting footprint and force output of an SC100 but adds a rear adjusting screw for a 50 mm stroke reduction range. Ensure your machine has clearance for the slightly longer body length and that you match the PT port and magnet option.
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