
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC32X15SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø32mm bore and 15mm 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.
A 15 mm stroke turns the 32 mm bore of the MAC32X15SCA into a short, punchy clamp: 402 N push and 346 N pull at 0.5 MPa from a body that barely displaces the workpiece. Both ends carry a variable air cushion, useful even on short travels when tooling stops dead against a fixed stop.
Build quality is the quiet advantage: a stainless round barrel riveted to aluminium-alloy covers, with the 12 mm rod hard-chrome plated, keeps rust at bay in jigs that see coolant splash and routine washdown. The piston magnet comes standard, so CMSG, DMSG and EMSG switches confirm clamp state with no extra parts to order. For sizing, treat about 241 N at 0.5 MPa as the practical working force, and note the bore equates to roughly 41 kg of vertical lift, or around 20 kg once a 2:1 margin is applied.
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC32X15SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 15 mm |
| Acting type | Double acting + 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.
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 32 | Bore size in mm. |
| ×15 | Stroke length in mm. |
| -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.
Clamp brackets flat against a drill jig nest with 402 N of push, the 15 mm stroke clearing between parts quickly at up to 800 mm/s.
Position and hold small castings before machining, where the stainless barrel shrugs off coolant mist that ruins painted bodies.
Pop a sensor flag or locating pin into place; the standard magnet with a CMSG switch reports the clamped state straight to the PLC.
Short clamping strokes rarely need more bore than this: 402 N push at 0.5 MPa comfortably beats the 245 N of a 25 mm MAC, while stepping up to 40 mm (628 N) only pays when the clamp needs real headroom. Mounted through the CA pivot eye or with FA flange, LB foot or SDB brackets, it bolts into drill jigs and weld fixtures quickly, and the 1/8 inch ports plus M10x1.25 rod thread keep plumbing simple. A MAC will not lock its load the moment air drops, so use a rod lock or pilot check valve wherever a lost-air clamp would release the part.
Quick checklist
It is double acting with a variable air cushion at both ends, pushing 402.2 N and pulling 345.6 N at 0.5 MPa, and 563.0 N push at 0.7 MPa, with an 82 kgf theoretical maximum at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi), temperature -20 to +70 C, speed 30-800 mm/s. Ports are 1/8 inch PT, the rod is 12 mm with an M10x1.25 thread, and the 15 mm stroke is a standard length.
Turn both cushion needle screws fully open before first run, then close them gradually until the stop softens without slowing the approach. Even over 15 mm of travel the variable air cushion absorbs the shock of tooling hitting a fixed stop, extending cover and seal life.
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