
The AirTAC Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ32X75-10S is a genuine double acting, adjustable stroke + cushion standard round-body mini air cylinder with a Ø32mm bore and 75mm 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.
Fine strokes deserve fine control: with a 10 mm adjuster the MACJ32X75-10S trims its 75 mm extend stroke to anywhere between 65 and 75 mm, ideal where the stop point must land within a millimetre or two. It is double-acting with variable air cushioning at both ends, pushing 402 N and pulling 346 N at 0.5 MPa, or 563 N of push at 0.7 MPa, running 30-800 mm/s on 0.15-1.0 MPa (22-145 psi).
The MACJ construction is a rolled, riveted stainless round body whose 12 mm hard-chrome plated rod stands up to splash and mild chemicals, with aluminium-alloy covers for a light, sealed package. A magnet comes fitted on every cylinder, so CMSG / DMSG / EMSG switches mount without options. For real-world sizing, plan on about 241 N of usable force at 0.5 MPa; vertically that is about 41 kg theoretical, or 20 kg with a 2:1 margin.
| Model | Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ32X75-10S |
|---|---|
| Series | MACJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 75 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. |
| ×75 | Stroke length in mm. |
| -10 | 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.
Sets the exact return point of a label applicator head on a filling line; the 10 mm window trims position without shimming or re-ordering cylinders.
Clamps wooden workpieces on a furniture-shop drill bench; 402 N at 0.5 MPa holds through drilling without crushing the part.
Halts vials at a pharma filling station and confirms the stop via a fitted CMSG switch; the standard magnet means no special-order piston.
Between the 245 N of bore 25 and the 628 N of bore 40, this bore's 402 N at 0.5 MPa suits medium-duty stops, probes and clamps. The 10 mm window is a fine-trim tool: it sets where the extend stroke ends and doubles as a hard stop only - air loss still lets the rod drift, so do not count on it to park a load.
FA flange or LB foot mounting, I / Y knuckles for pivoting links, and a standard magnet for CMSG / DMSG / EMSG sensing complete the spec. Ports are 1/8" with an M10x1.25 male rod thread.
Quick checklist
Push is 402.2 N and pull 345.6 N at 0.5 MPa. At 0.7 MPa, push is 563.0 N and pull 483.8 N. The 1.0 MPa theoretical peak is 82 kgf, inside a 0.15-1.0 MPa (22-145 psi) operating band with 1.5 MPa (215 psi) proof.
A stop screw trims the extend stroke anywhere in the 65-75 mm window; it acts only at the end of travel and will not hold position if air is lost. FA flange and LB foot mounts are standard, with I and Y rod knuckles for pivoting links.
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