Airtac SCJ100 Standard Cylinder SCJ100X500-30
The AirTAC Airtac SCJ100 Standard Cylinder SCJ100X500-30 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 30 mm range without swapping the cylinder. Ø100mm bore, 500mm nominal stroke, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Nominal stroke500 mm
- Stroke adjust-30 mm
- Port sizePT1/2
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SCJ100 Standard Cylinder SCJ100X500-30
The SCJ100X500-30 is a double-acting, single-rod pneumatic cylinder from AirTAC, offering a 100 mm bore and a nominal 500 mm stroke. Its defining feature is the rear-cap adjusting screw, which provides up to 30 mm of field-adjustable stroke reduction, allowing precise end-position tuning without removing the cylinder. This model delivers a substantial 3927 N of push force at 0.5 MPa, driven by a 25 mm diameter piston rod.
With a body length of 245 mm and a 29 mm air cushion at each end, the SCJ100X500-30 is built for reliable deceleration in high-cycle applications. The PT1/2 port and M20x1.5 rod thread provide robust connections. This basic configuration uses the standard TPU seal for a temperature range of -20 to +70 °C and PT threads, making it a versatile workhorse for industrial automation requiring a powerful, tunable stroke.
Airtac SCJ100 Standard Cylinder SCJ100X500-30 Technical Specifications
| Model | Airtac SCJ100 Standard Cylinder SCJ100X500-30 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø100 mm |
| Nominal stroke | 500 mm |
| Stroke adjustment | Up to 30 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 SCJ100X500-30
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×500 | Nominal (maximum) stroke length in mm. |
| -30 | 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 SCJ100X500-30 Is Used
End-Stop Tuning for Presses
A 30 mm adjustment range lets operators dial in the exact pressing depth on a pneumatic press without changing tooling, ensuring consistent part quality and rapid setup between different product runs.
Product Diverters & Gates
The 500 mm stroke and high push force are perfect for diverting heavy packages on a conveyor. The adjustable stroke allows fine-tuning of the gate's open position to handle varying box sizes without mechanical stops.
Commissioning & Wear Take-Up
During machine commissioning, the rear screw provides a quick way to correct the stroke end. Over time, it can be adjusted to compensate for mechanical wear in linkages, extending the machine's service life without replacing parts.
Is the Airtac SCJ100 Standard Cylinder SCJ100X500-30 the Right Cylinder?
Choose the SCJ100X500-30 when your application demands high force and the ability to fine-tune the stroke end position by up to 30 mm on the machine. If 3927 N of push force at 0.5 MPa is more than needed, stepping down to an 80 mm bore reduces the force to 2513 N. For applications requiring even more power, the 125 mm bore provides 6136 N. This adjustable-stroke model is ideal for commissioning and format changes; if the stroke is permanently fixed, a standard SC100X500 cylinder is a simpler, more cost-effective alternative.
For this 500 mm stroke, be mindful of side loads, which can cause rod bending. If the load is not guided, use an external guide rail or switch to a guided cylinder. To replace this unit, match the 100 mm bore, 500 mm nominal stroke, 30 mm adjust range, PT port thread, and basic mounting. Adding a magnet (-S suffix) enables position sensing with CMSG/DMSG sensors.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-30)
- ✓ 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 SCJ100X500-30 FAQ
At 0.5 MPa, the cylinder provides 3927 N of push force and 3681 N of pull force. The maximum push force at the 0.9 MPa operating limit is 7068 N. The theoretical force at 1.0 MPa is 801 kgf.
A rear-cap screw lets you shorten the stroke end by up to 30 mm in the field. Choose this SCJ model when you need to fine-tune the piston's stopping position during setup, for different product formats, or to take up mechanical wear. If the stroke length never changes, a fixed-stroke SC100 cylinder is the better choice.
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