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AirTAC ACEJ Series · ISO 21287 Compact Cylinder

Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X75-50

The AirTAC Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X75-50 is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø63mm bore and 75mm 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
  • Stroke75 mm
  • Port size1/8"
  • Acting typeDouble acting, adjustable stroke
  • Rod threadM10×1.5
  • CushionFixed TPU bumper (both ends)
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About the Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X75-50

A double acting ISO 21287 compact cylinder, the ACEJ63X75-50 pairs a 63 mm bore with a 75 mm stroke that an external stop screw trims on site: the -50 code gives a 50 mm window, so the usable extend range is 25-75 mm. At 0.5 MPa it pushes 1558.6 N and pulls 1458.1 N, and the hard-anodized aluminium body with an S45C hard-chrome plated 16 mm rod stands up to continuous jig and fixture duty. The short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, which is why it fits machines where a full-length profile cylinder simply will not go.

In practice that force means real work: plan on roughly 935 N (about 95 kg) of usable push at 0.5 MPa, and expect the rod to lift about 79 kg vertically with a 2:1 margin. The female M10x1.5 rod thread and 1/8" PT ports bolt into standard circuits, FA flange or LB foot mounts drop onto the ISO 21287 face, and a fixed TPU bumper at each end absorbs end-of-stroke shock. Speed range is 30-500 mm/s over 0.15-1.0 MPa (22-145 psi). Note there is no magnet fitted on this version; order the -S code if you want CMSE / DMSE switch sensing.

Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X75-50 Technical Specifications

ModelAirtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X75-50
SeriesACEJ compact cylinder
StandardISO 21287
Bore sizeØ63 mm
Stroke75 mm
Acting typeDouble acting, adjustable stroke
Port size1/8"
Rod threadM10×1.5
FluidAir (filtered by 40µm element)
Operating pressure0.15 – 1.0 MPa
Proof pressure1.5 MPa
Temperature-20 to +70 °C
Speed range30 – 500 mm/s
CushionFixed TPU bumper (both ends)
Max standard strokeUp 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)

PressurePush forcePull force
0.5 MPa1559 N1458 N
0.7 MPa2182 N2041 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 ACEJ63X75-50

ACEJISO 21287 compact cylinder (adjustable-stroke).
63Bore size in mm.
×75Stroke length in mm.
-50Adjustable stroke window (mm the extend stroke can be shortened on site).
SOptional built-in magnet for CMSE / DMSE sensors (omit for no magnet).
BRod 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 ACEJ63X75-50 Is Used

precision_manufacturing

Fixture clamping on CNC machining centres

The 1558.6 N push at 0.5 MPa clamps aluminium or steel workpieces in dedicated fixtures, and the 25-75 mm trimmed stroke lets the setter dial in clamp travel without changing the cylinder.

compress

Bench-top press and riveting stations

With about 935 N of practical working force and a 16 mm hard-chrome rod, this bore handles light pressing, staking and rivet forming on assembly benches where floor space is tight.

forklift

Vertical lift in palletizing gantries

The rod lifts about 79 kg vertically with a 2:1 margin, and the short ISO 21287 body fits inside compact gantry frames that cannot accept a full-length profile cylinder.

Is the Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X75-50 the Right Cylinder?

Check the force first: at 0.5 MPa this 63 mm bore delivers 1558.6 N push, comfortably above the 981.7 N of a 50 mm bore and well below the 2513.3 N of an 80 mm bore, so it suits clamping and pressing loads in the 100-200 kg class. If your load needs the full stroke held against a drop, remember the stop screw is an end stop only - it does not lock the piston mid-stroke, so add a valve or external stop for holding. The 50 mm window covers jobs where the final position is tuned after installation; if you need position feedback, order the -S magnet variant instead and fit CMSE or DMSE switches. FA flange and LB foot mounting plus I and Y rod knuckles cover most fixture interfaces.

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)
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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 ACEJ63X75-50 FAQ

At 0.5 MPa it pushes 1558.6 N and pulls 1458.1 N; at 0.7 MPa push rises to 2182.1 N and pull to 2041.3 N, with a theoretical maximum of 317.9 kgf at 1.0 MPa. The 63 mm bore has a 16 mm rod, 1/8" PT ports and a female M10x1.5 rod thread. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed 30-500 mm/s, temperature -20 to +70 C, and the extend stroke is adjustable from 25 to 75 mm via the -50 stop screw.

It is an ISO 21287 compact cylinder whose body saves about 50% of the mounting length of an ISO 15552 profile cylinder, with a fixed TPU bumper at each end to absorb end-of-stroke impact. FA flange, LB foot and FTC brackets plus I and Y rod knuckles bolt straight to the standard face. Sensing is not included on this model: there is no magnet fitted, so order the -S version if you want to mount CMSE or DMSE switches for end-position detection.

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