Airtac SCJ100 Standard Cylinder SCJ100X50-10S
The AirTAC Airtac SCJ100 Standard Cylinder SCJ100X50-10S 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. Ø100mm bore, 50mm nominal stroke, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Nominal stroke50 mm
- Stroke adjust-10 mm
- Port sizePT1/2
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SCJ100 Standard Cylinder SCJ100X50-10S
The SCJ100X50-10S is a double-acting, single-rod pneumatic cylinder with a rear-cap adjusting screw that lets you fine-tune the stroke end by up to 10 mm without removing the cylinder. With a 100 mm bore, it delivers a substantial 3927 N push force at 0.5 MPa, making it a powerful actuator for medium-to-heavy industrial tasks where the final stop position needs on-machine tweaking.
This model includes a built-in magnet, so CMSG/DMSG/EMSG reed or solid-state sensors can be clamped directly onto the tie-rod barrel for reliable end-of-stroke detection. The 25 mm piston rod and PT1/2 ports handle high flow, while the 29 mm air cushion at each end decelerates the piston smoothly. The body length A(SCJ) is 245 mm, providing a compact footprint for its force class.
Airtac SCJ100 Standard Cylinder SCJ100X50-10S Technical Specifications
| Model | Airtac SCJ100 Standard Cylinder SCJ100X50-10S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø100 mm |
| Nominal stroke | 50 mm |
| Stroke adjustment | Up to 10 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 SCJ100X50-10S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×50 | 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 SCJ100 Standard Cylinder SCJ100X50-10S Is Used
Packaging Line Stop Tuning
On a packaging conveyor, the SCJ100X50-10S acts as a product stop. The 10 mm adjustment screw allows operators to quickly fine-tune the stop position for different box sizes without changing the cylinder or adding mechanical shims.
Press-Fit Depth Adjustment
In a bearing press station, the adjustable stroke end lets technicians dial in the exact press depth. The 3927 N push force at 0.5 MPa is sufficient for seating medium-sized bearings, and the built-in magnet confirms full extension every cycle.
Clamp Jaw Stroke Compensation
For a welding fixture clamp, the SCJ100X50-10S provides a powerful 3927 N clamping force. The 10 mm adjust range compensates for jaw wear over time, maintaining consistent clamping pressure without reprogramming the machine.
Is the Airtac SCJ100 Standard Cylinder SCJ100X50-10S the Right Cylinder?
Choose the SCJ100X50-10S when you need roughly 3927 N of push force at standard plant pressure and the ability to dial in the stroke end by up to 10 mm during commissioning or format changes. If your force requirement is lower, stepping down to an 80 mm bore drops push force to 2513 N at 0.5 MPa; if you need more, the 125 mm bore provides 6136 N. For applications where the stroke is fixed and never needs adjustment, the standard SC100X50 fixed-stroke cylinder is a simpler, cost-effective alternative. To replace this unit, match an AirTAC SCJ cylinder with a 100 mm bore, 50 mm nominal stroke, a 10 mm adjust range, PT ports, and the -S magnet option.
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 SCJ100 Standard Cylinder SCJ100X50-10S FAQ
At 0.5 MPa, the push force is 3927 N and the pull force is 3681 N. The maximum push force at the 0.9 MPa operating limit is 7068 N. Because it is a single-rod cylinder, the push force is always greater than the pull force due to the rod area on the return side.
A standard SC100 fixed-stroke cylinder will fit the same mounting and port connections, but you will lose the ability to fine-tune the stroke end position. The SCJ100X50-10S is designed specifically for applications where the stroke needs to be adjusted in the field by up to 10 mm. For a direct replacement, you must use another SCJ100 cylinder with a 50 mm nominal stroke and a 10 mm adjust range.
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