Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X50-40S
The AirTAC Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X50-40S is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø63mm bore and 50mm 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.
- BoreØ63 mm
- Stroke50 mm
- Port size1/8"
- Acting typeDouble acting, adjustable stroke
- Rod threadM10×1.5
- CushionFixed TPU bumper (both ends)
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X50-40S
The ACEJ63X50-40S is a double acting ISO 21287 compact cylinder with an adjustable extend stroke. Its 63 mm bore delivers 1558.6 N push and 1458.1 N pull at 0.5 MPa, rising to 2182.1 N push at 0.7 MPa, with a theoretical peak of 317.9 kgf at 1.0 MPa. The -40 code gives a 40 mm adjustment window: an external stop screw trims the 50 mm stroke down on site, so the working range is 10-50 mm without changing the cylinder.
The hard-anodized aluminium body with an S45C hard-chrome rod saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight jigs and gantries. Because the magnet is fitted through the -S code, CMSE / DMSE reed or solid-state switches can be mounted directly on the body slots. As a rule of thumb, plan on roughly 935 N of usable work at 0.5 MPa, which lifts about 79 kg vertically - halve that to about 40 kg for a 2:1 margin on real parts.
Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X50-40S Technical Specifications
| Model | Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X50-40S |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø63 mm |
| Stroke | 50 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | 1/8" |
| Rod thread | M10×1.5 |
| 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 – 500 mm/s |
| Cushion | Fixed TPU bumper (both ends) |
| Max standard stroke | Up to 250 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.
Theoretical Output Force (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1458 N |
| 0.7 MPa | 2182 N | 2041 N |
| Max (@1.0 MPa) | 318 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X50-40S
| ACEJ | ISO 21287 compact cylinder (adjustable-stroke). |
|---|---|
| 63 | Bore size in mm. |
| ×50 | Stroke length in mm. |
| -40 | Adjustable stroke window (mm the extend stroke can be shortened on site). |
| 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.
Where the Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X50-40S Is Used
Press-fit station on an automotive assembly line
With 1558.6 N push at 0.5 MPa, the 63 mm bore seats bushings and bearings into housings, while the 10-50 mm adjustable range lets line technicians dial the press depth per variant without swapping cylinders.
Clamping fixture for CNC machining pallets
The short ISO 21287 body fits inside fixture plates where a full-length profile cylinder will not, and the fitted magnet with CMSE switches confirms clamp position back to the PLC before the cycle starts.
Pallet strapper actuator in a packaging cell
About 79 kg of vertical lift equivalent at 0.5 MPa handles strap tensioner heads and guide arms, and the TPU bumper at both ends tames end-of-stroke shock at cycle speeds up to 500 mm/s.
Is the Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X50-40S the Right Cylinder?
Size both ways before committing: a 50 mm bore pushes 981.7 N at 0.5 MPa, while an 80 mm bore reaches 2513.3 N, so the 63 mm sits squarely in the mid-heavy class. If your fixture needs a longer travel, bore 63 accepts standard strokes up to 250 mm. Remember the stop screw only shortens the extend stroke within the 40 mm window - it is a mechanical end stop, not a mid-stroke lock, so the rod still drifts if air is lost.
This model carries the -S magnet, so CMSE / DMSE switches work out of the box. FA flange, LB foot and FTC brackets plus I/Y rod knuckles bolt straight to the ISO 21287 face, and the female M10x1.5 rod thread suits standard rod accessories. Ports are 1/8" on this bore.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Short stroke fits the compact body
- ✓ Port/thread type (PT / G)
- ✓ Add -S if you need the magnet for sensors
- ✓ Rod type (female / male B) & mount (FA/LB/CA)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Compact body: keep the stroke short and avoid side load on the rod.
- check Do not dismantle the threaded front/back covers.
- check Keep speed within the rated range; the TPU bumper absorbs stroke-end energy.
- check Installation by qualified personnel per AirTAC docs.
Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X50-40S FAQ
At 0.5 MPa it pushes 1558.6 N and pulls 1458.1 N; at 0.7 MPa push is 2182.1 N and pull 2041.3 N; theoretical maximum is 317.9 kgf at 1.0 MPa. The -40 code sets a 40 mm adjustment window: an external stop screw shortens the 50 mm extend stroke to any point from 10 to 50 mm. It is a mechanical end stop only - on air loss the piston drifts, so it never holds a load. Operating range is 0.15-1.0 MPa (22-145 psi) at 30-500 mm/s.
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, with a hard-anodized aluminium body, S45C hard-chrome rod and fixed TPU bumpers at both ends. This model carries the optional -S magnet, so CMSE / DMSE reed or solid-state switches mount in the body slots for end-of-stroke sensing. FA flange, LB foot and FTC brackets plus I/Y rod knuckles bolt to the standard face; the rod end is female M10x1.5 and ports are 1/8" PT.
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