
The AirTAC Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ32X60-50S is a genuine double acting, adjustable stroke + cushion standard round-body mini air cylinder with a Ø32mm bore and 60mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service. A variable air cushion at both ends lets you tune end-of-stroke deceleration on site.
Nearly the whole extend stroke is tunable on the MACJ32X60-50S: with a 50 mm window on a 60 mm cylinder, the stop screw can park the rod anywhere from 10 mm out to the full stroke. The hardware behind it is AirTAC's riveted MA construction - stainless barrel, aluminium covers, hard-chrome plated 12 mm rod - double-acting with variable air cushions at each end. At 0.5 MPa it pushes 402.2 N and pulls 345.6 N.
Lift capacity works out to about 41 kg vertically from the 402 N push figure; keeping real lifted loads near 20 kg preserves a 2:1 margin for acceleration and seal drag. Mounting is flexible for a mini this strong - FA flange, LB foot, plus I and Y rod knuckles - and the built-in magnet works with CMSG, DMSG and EMSG switches out of the box.
| Model | Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ32X60-50S |
|---|---|
| Series | MACJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 60 mm |
| Acting type | Double acting, adjustable stroke + cushion |
| Port size | 1/8" |
| 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 | Variable air cushion, both ends |
| Max standard stroke | Up to 500 mm |
Specifications follow the official AirTAC MA-series datasheet. Barrel: stainless-steel tube (round-body, riveted rolling-packed construction); piston rod: carbon steel with 20µm hard-chrome plating; covers: aluminium alloy. Thread options: PT (blank) / G / NPT. Every MA-series cylinder ships with a built-in magnet for CMSG / DMSG / EMSG position sensors.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MACJ | Standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 32 | Bore size in mm. |
| ×60 | Stroke length in mm. |
| -50 | Adjustable stroke window (mm the extend stroke can be shortened on site). |
| -S | Built-in magnet for CMSG / DMSG / EMSG sensors (standard on MA series). |
| CA / U / CM | Back-cover type: CA pivot, U flat-end, CM round-end. |
MA-family variants: MA / MAC (double acting ±cushion), MSA / MTA (single acting push / pull), MAD / MACD (double rod ±cushion), MAJ / MACJ (adjustable stroke ±cushion), MAR (cushioned with integrated F/U mount). Mounting accessories: FA flange, LB foot, SDB pivot; plus I and Y knuckles. Thread PT (blank) / G / NPT.
One fixture, three part heights: set the rod parking point anywhere in the 50 mm window and cut changeover time from hours to minutes.
Opens a sluice valve on a CNC coolant circuit, where the chromed rod stands up to constant mist and tramp oil.
Backs up an overhead chain conveyor stop with 402 N push at 0.5 MPa; the per-end cushion absorbs cart impact without a separate shock absorber.
Compare working force before you commit: the MACJ25 gives 245.3 N at 0.5 MPa, this bore gives 402.2 N, and the MACJ40 steps up to 628.3 N. Because the adjuster is an end stop rather than a lock, a vertically hung rod will still sink if air fails - use a blocking valve in that setup. With a 12 mm rod, keep side loads low at the tooling or add an external guide; even a 60 mm stroke shows bending under offset tooling.
Quick checklist
Push 402.2 N and pull 345.6 N at 0.5 MPa; 563.0 N and 483.8 N respectively at 0.7 MPa; 82 kgf theoretical at 1.0 MPa. Air supply 0.15-1.0 MPa (22-145 psi), 40 um filtration, speed 30-800 mm/s.
No. The screw is a mechanical end stop that shortens the extend stroke; it stores nothing and the piston will still drift on pressure loss. For load holding, fit a blocking or pilot-operated check valve in the supply line instead.
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