
The AirTAC Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE40X10S is a genuine single acting, push (spring return) ISO 21287 compact air cylinder with a Ø40mm bore and 10mm stroke, 1/8" air ports and a hard-anodized aluminium body. Its short compact envelope saves about 50% of the mounting length of an ISO 15552 profile cylinder.
This AirTAC ASE40X10S is a single acting push cylinder with spring return, meaning air extends the rod and the built-in spring retracts it, so it needs just one air line and rests retracted. At 0.5 MPa it delivers 556.8 N net of the return spring, and at 0.7 MPa that rises to 808.1 N, so it suits light pressing and clamping duties.
The ISO 21287 compact body is about 50% shorter than an ISO 15552 profile cylinder, letting it fit into tight jigs and guards where a full-length unit will not. This model carries the optional -S magnet, so CMSE or DMSE reed and solid-state switches can be mounted for position sensing. For a safe working load, plan around 334 N at 0.5 MPa, which lifts about 34 kg vertically with a 2:1 margin.
| Model | Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE40X10S |
|---|---|
| Series | ASE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø40 mm |
| Stroke | 10 mm |
| Acting type | Single acting, push (spring return) |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.2 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 500 mm/s |
| Cushion | Fixed TPU bumper (both ends) |
| Max standard stroke | Up to 25 mm |
Specifications follow the official AirTAC ACE-series (ISO 21287) datasheet. Body: hard-anodized aluminium alloy; piston rod: S45C carbon steel with hard-chrome plating. Rod type: female thread (blank) or male thread (B). Thread options: PT (blank) / G. A built-in magnet is OPTIONAL — add the -S code to fit CMSE / DMSE position sensors.
| Pressure | Push force (spring return) |
|---|---|
| 0.5 MPa | 556.8 N |
| 0.7 MPa | 808.1 N |
Single-acting push: air extends the rod; the return spring retracts it. Forces already net the spring; minimum working pressure is 0.2 MPa. Single-acting strokes are short (Ø12 to 10 mm, Ø16-100 to 25 mm).
| ASE | ISO 21287 compact cylinder (single-acting push, spring-return). |
|---|---|
| 40 | Bore size in mm. |
| ×10 | Stroke length in mm. |
| S | Optional built-in magnet for CMSE / DMSE sensors (omit for no magnet). |
| B | Rod type: B = male thread; blank = female thread. |
ACE-family variants: ACE (double acting), ASE / ATE (single acting push / pull), ACED (double rod), ACEJ (adjustable stroke), TACE / TACED (non-rotating twin-guide yoke). Mounting accessories: FA / FB flange, LB foot, CA / CB clevis, CR, SDB pivot, FTC; plus I and Y knuckles. Thread PT (blank) / G.
Use the ASE40X10S to clamp small workpieces in a drilling or milling jig. Its 556.8 N push at 0.5 MPa holds parts firmly, and the spring retracts the clamp automatically when air is released, speeding up load and unload cycles.
In a packaging line, this cylinder can drive a label applicator head for a 10 mm press-on action. The compact body fits behind the applicator, and the optional -S magnet lets a CMSE sensor confirm each cycle for quality control.
For a bench press that stamps small electronic components, the ASE40X10S provides a controlled 10 mm stroke. Its 808.1 N push at 0.7 MPa handles light forming, and the TPU bumper at both ends reduces noise and wear.
Choose this ASE40X10S when you need a short-stroke, spring-return actuator in a compact space. It is smaller and lighter than a 50 mm bore unit, which offers 875.5 N at 0.5 MPa, but the 40 mm bore still provides ample force for many light automation tasks. The 10 mm stroke is fixed, so confirm your travel requirement; if you need more, consider a 25 mm stroke in the same bore. The spring returns the rod to home on air loss, but it does not hold a mid-stroke position, so use it for push-and-release actions. With the -S magnet fitted, you can add CMSE or DMSE sensors for end-of-stroke detection, and the FA/FB flange, LB foot, CA/CB clevis, or SDB pivot mounts bolt to the ISO 21287 face.
Quick checklist
At 0.5 MPa, the push force is 556.8 N, and at 0.7 MPa it is 808.1 N, both net of the return spring. The minimum working pressure is 0.2 MPa, and the proof pressure is 1.5 MPa (215 psi). Operating pressure range is 0.2-1.0 MPa (28-145 psi).
The ASE40X10S has a short body that saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits into confined fixtures and guards. It uses a fixed TPU bumper at both ends for end-of-stroke deceleration, and the optional -S magnet allows CMSE or DMSE sensors for position feedback.
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