
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC50X15SCM is a genuine double acting + cushion standard round-body mini air cylinder with a Ø50mm bore and 15mm stroke, 1/4" 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.
Short punch, long muscle: in 15 mm of travel the MAC50X15SCM pushes 981 N and pulls 881 N at 0.5 MPa, rising to 1374 N at 0.7 MPa - a theoretical 200 kgf at full 1.0 MPa supply. It is double acting with a variable air cushion at both ends, so even a hard 800 mm/s arrival lands soft once the needle screws are tuned.
The round-body construction pairs a stainless steel tube with aluminium covers and a hard-chrome carbon-steel rod, riveted into one sealed unit that copes with humidity and light washdown. Out of the box the magnet is already installed - no option code needed - so CMSG, DMSG or EMSG switches detect position immediately. The CM round-end back cover presents a clean cylindrical boss for custom brackets or pin mounts.
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC50X15SCM |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø50 mm |
| Stroke | 15 mm |
| Acting type | Double acting + cushion |
| Port size | 1/4" |
| Rod thread | M14×1.5 |
| 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 – 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 | 982 N | 881 N |
| 0.7 MPa | 1374 N | 1234 N |
| Max (@1.0 MPa) | 200 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). |
|---|---|
| 50 | 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.
Drive a locating pin into machining fixture bushings; the 15 mm stroke matches typical pin travel and 981 N seats it firmly.
Nudge a star wheel one position per cycle on a bottling line; the standard magnet gives a position signal to the filler controller.
Stamp or mark steel tags and brackets at a workbench; 1374 N at 0.7 MPa imprints cleanly in one quick stroke.
For perspective, a 40 mm bore delivers 628 N push at 0.5 MPa and a 63 mm bore 1558 N, so this 50 mm unit sits squarely in the middle heavy-duty tier. Derate to roughly 589 N of working push and the cylinder will live a long life. When air is lost or the valve centres, the piston simply drifts - a pilot check valve or rod lock is the answer where a load must stay parked. FA flange, LB foot or SDB pivot brackets adapt the round-end CM cover to machine frames.
Quick checklist
At 0.5 MPa it pushes 981 N and pulls 881 N. At 0.7 MPa: 1374 N push, 1233 N pull. Maximum theoretical force at 1.0 MPa is 200 kgf. The cylinder accepts 0.15-1.0 MPa (22-145 psi) and runs 30-800 mm/s on 1/4" ports.
Back both cushion needle screws fully off, then close them gradually while cycling until the end-of-stroke thump disappears. The variable air cushion at each end absorbs arrival energy, letting you run faster cycles or heavier loads without hammering the covers.
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