Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X70-30S
The AirTAC Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X70-30S is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø63mm bore and 70mm 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
- Stroke70 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 ACEJ63X70-30S
A double acting ISO 21287 compact cylinder, the ACEJ63X70-30S pairs a 63 mm bore with a 70 mm stroke that an external stop screw trims on site: the -30 window lets you shorten the extend stroke anywhere in a 40-70 mm range without swapping the cylinder. At 0.5 MPa it pushes 1558.6 N and pulls 1458.1 N, rising to 2182.1 N at 0.7 MPa, with a theoretical ceiling of 317.9 kgf at 1.0 MPa.
The short ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into cramped welding jigs and press fixtures where a full-length body will not reach. The hard-anodized aluminium body carries an S45C hard-chrome rod, fixed TPU bumpers absorb end-of-stroke shock at both ends, and because this model carries the -S magnet, CMSE or DMSE reed and solid-state switches can be fitted for end-position sensing. A practical sizing rule: at 0.5 MPa plan on roughly 936 N of usable work, which lifts about 79 kg vertically, or about 40 kg with a 2:1 margin.
Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X70-30S Technical Specifications
| Model | Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X70-30S |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø63 mm |
| Stroke | 70 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 ACEJ63X70-30S
| ACEJ | ISO 21287 compact cylinder (adjustable-stroke). |
|---|---|
| 63 | Bore size in mm. |
| ×70 | Stroke length in mm. |
| -30 | 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 ACEJ63X70-30S Is Used
Clamping fixture on a CNC machining line
The 40-70 mm adjustable window lets a fixture builder dial in the exact clamp position per part family, with 1558.6 N at 0.5 MPa enough to hold aluminium housings against a hard stop.
Small press-fit station for bushings
Pushing 2182.1 N at 0.7 MPa, the 63 mm bore presses light bushings into pump housings, while the stop screw sets the bottom-of-stroke depth without shims.
Pusher arm on a bottling conveyor
A 70 mm stroke kicks bottles or cartons between lanes; the fitted magnet and CMSE switches confirm full extend before the next gate opens, at conveyor speeds within 30-500 mm/s.
Is the Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X70-30S the Right Cylinder?
For this stroke class, compare both directions: the next bore down, 50 mm, delivers 981.7 N push at 0.5 MPa, while the next bore up, 80 mm, reaches 2513.3 N, so choose the 63 mm when your load sits between roughly 900 and 1500 N. Remember the stop screw is a mechanical end stop only - on air loss the piston still drifts, so do not rely on it to hold a load mid-stroke.
Mount FA flange or LB foot brackets straight to the ISO 21287 face and add I or Y rod knuckles where side misalignment exists. The 1/8" port keeps plumbing compact, and the fitted -S magnet means CMSE / DMSE switches are ready to bolt on whenever position feedback is needed.
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 ACEJ63X70-30S FAQ
At 0.5 MPa it pushes 1558.6 N and pulls 1458.1 N; at 0.7 MPa push is 2182.1 N (pull 2041.3 N); theoretical maximum is 317.9 kgf at 1.0 MPa. The -30 code is a 30 mm adjustment window: an external stop screw shortens the 70 mm extend stroke to any setting between 40 and 70 mm. It is a mechanical end stop, not a mid-stroke lock, so the rod can still drift if air is lost.
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 can be mounted for position feedback. FA flange and LB foot brackets bolt straight to the standard face, with I and Y rod knuckles available; the rod end is female M10x1.5 and the port is 1/8" PT.
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