Airtac MAC Stainless Steel Mini Air Cylinder MAC50X40SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC50X40SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø50mm bore and 40mm 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.
- BoreØ50 mm
- Stroke40 mm
- Port size1/4"
- Acting typeDouble acting + cushion
- Rod threadM14×1.5
- CushionVariable air cushion, both ends
About the Airtac MAC Stainless Steel Mini Air Cylinder MAC50X40SCA
For clamp linkages and swing arms that follow an arc, the CA pivot rear cover of the MAC50X40SCA saves a mounting bracket: the cylinder pivots on its rear boss while the rod does the work. This is a double-acting mini cylinder with a riveted stainless round barrel - air drives the piston both ways and a variable cushion at each end bleeds off end-of-stroke shock. At 0.5 MPa (72 psi) it pushes 981 N and pulls 881 N, ample for a 40 mm clamp or ejector stroke on heavy jigs.
Keep real work near 589 N - about 60 percent of the 0.5 MPa (72 psi) push - and the unit will hold that rating cycle after cycle. The stainless tube and 16 mm hard-chrome rod handle coolant mist and washdown that would rust a painted body, and the piston magnet is standard, so CMSG, DMSG or EMSG switches mount on without a special-order piston.
Airtac MAC Stainless Steel Mini Air Cylinder MAC50X40SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC50X40SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø50 mm |
| Stroke | 40 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.
Theoretical Output Force (Ø50mm)
| 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.
Model Code: Airtac MAC Stainless Steel Mini Air Cylinder MAC50X40SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 50 | Bore size in mm. |
| ×40 | 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.
Where the Airtac MAC Stainless Steel Mini Air Cylinder MAC50X40SCA Is Used
Swing clamp on a weld jig
Closing a swing-clamp arm on an automotive bracket jig; the CA pivot rear follows the linkage arc while 981 N at 0.5 MPa (72 psi) holds the part against weld pull.
Punch scrap ejector
Kicking scrap blanks clear of a progressive die every stroke; 40 mm of travel is quick at 800 mm/s and the rear pivot absorbs the ejector linkage angle.
Merge gate on a crate conveyor
Diverting milk crates at a conveyor merge point; a CMSG switch on the standard magnet confirms the gate is fully home before the next row is released.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC50X40SCA the Right Cylinder?
A 40 mm stroke with 981 N push at 0.5 MPa (72 psi) suits short clamp-and-release actions; the bore-40 MAC delivers 628 N for finer force control, while the bore-63 MAC raises it to 1558 N if the linkage needs headroom. Because the CA cover pivots, plan the rod-side mount with an I or Y knuckle so the joint stays free; FA flange or LB foot hardware can still be ordered for rigid frames. One caution: with no air applied the piston is free to move - a centred valve does not hold it - so add a pilot check valve on holding fixtures. Air ports are 1/4 inch PT.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) is standard for sensors
- ✓ Back cover (CA/U/CM) & mount (FA/LB/SDB)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Do not dismantle the riveted front/back covers.
- check On first run, back off the cushion screws and release gradually.
- check Installation by qualified personnel per AirTAC docs.
Airtac MAC Stainless Steel Mini Air Cylinder MAC50X40SCA FAQ
Push is 981 N and pull 881 N at 0.5 MPa (72 psi); at 0.7 MPa it reaches 1374 N push and 1233 N pull, peaking at a theoretical 200.1 kgf. The 40 mm stroke, 1/4 inch PT ports and 16 mm rod sit inside a 0.15-1.0 MPa (22-145 psi) operating window with 30-800 mm/s speed and -20 to +70 C fluid temperature.
No - the magnet is built into the piston as standard across the MA family, so CMSG, DMSG and EMSG switches clip onto the stainless barrel for end-of-stroke or mid-stroke signals along the 40 mm travel without any special-order hardware.
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