Airtac SCJ32 Standard Cylinder SCJ32X175-75
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X175-75 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 75 mm range without swapping the cylinder. Ø32mm bore, 175mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke175 mm
- Stroke adjust-75 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X175-75
The SCJ32X175-75 is a double-acting, single-rod pneumatic cylinder from the AirTAC SCJ series, featuring a rear-cap adjusting screw that provides a 75 mm field-adjustable stroke range. This allows the effective stroke end to be fine-tuned without removing the cylinder, making it ideal for applications requiring precise end-stop calibration during commissioning or format changes. With a 32 mm bore and 12 mm rod, it delivers 402 N of push force at 0.5 MPa, scaling up to 724 N at the maximum operating pressure of 0.9 MPa.
This model has a nominal stroke of 175 mm, well within the 1000 mm maximum standard stroke for the 32 mm bore. The body length (A dimension) is 182 mm, and the cylinder includes a 21 mm adjustable air cushion to decelerate the piston smoothly. The PT1/8 port and M10x1.25 rod thread are standard, and the unit operates on 40 µm filtered air across a -20 to +70 °C temperature range with the default TPU seals.
Airtac SCJ32 Standard Cylinder SCJ32X175-75 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X175-75 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 175 mm |
| Stroke adjustment | Up to 75 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 SCJ32X175-75
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×175 | Nominal (maximum) stroke length in mm. |
| -75 | 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 SCJ32X175-75 Is Used
Commissioning & Setup
The 75 mm adjustment range lets technicians fine-tune the end-stop position during initial machine setup without swapping out hard stops or cylinder spacers, speeding up the commissioning process on assembly lines.
Product Changeover
On packaging or sorting conveyors, operators can quickly adjust the stroke end to accommodate different product sizes or box dimensions, reducing downtime between production runs.
Wear Compensation
In clamping or pressing fixtures, the stroke can be incrementally extended over time to compensate for pad wear or tooling compression, maintaining consistent contact force without replacing the actuator.
Is the Airtac SCJ32 Standard Cylinder SCJ32X175-75 the Right Cylinder?
Choose the SCJ32X175-75 when you need to dial in a stroke end position within a 75 mm window on a compact machine. If your force requirement exceeds the 724 N maximum push at 0.9 MPa, consider stepping up to the 40 mm bore SCJ40 series, which provides 628 N of push at just 0.5 MPa. For applications where the stroke length is fixed and never needs adjustment, the standard SC32 fixed-stroke cylinder is a simpler, cost-effective alternative. When replacing this unit, match the 32 mm bore, 175 mm nominal stroke, 75 mm adjust range, PT1/8 port thread, and basic mounting style to ensure identical fit and function.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-75)
- ✓ 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 SCJ32X175-75 FAQ
At 0.5 MPa, the push force is 402 N and the pull force is 345 N. The push force increases to 563 N at 0.7 MPa and reaches a maximum of 724 N at the 0.9 MPa operating limit. 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 rear adjusting screw physically limits the piston's travel at the cap end, allowing you to shorten the stroke end by up to 75 mm from the 175 mm nominal maximum. Choose the SCJ when your process requires frequent or precise stroke-end tuning—such as for different product formats or wear take-up. A fixed-stroke SC cylinder is the better choice when the stroke length is a permanent, unchanging specification.
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