Airtac MAC Stainless Steel Mini Air Cylinder MAC32X140SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC32X140SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø32mm bore and 140mm 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.
- BoreØ32 mm
- Stroke140 mm
- Port size1/8"
- Acting typeDouble acting + cushion
- Rod threadM10×1.25
- CushionVariable air cushion, both ends
About the Airtac MAC Stainless Steel Mini Air Cylinder MAC32X140SCA
Swing arms, rocker linkages and hinged gates are where the CA pivot back cover on this 140 mm stroke MAC earns its keep - the pivot takes the swinging motion without an added bracket. Push is 402.2 N and pull 345.6 N at 0.5 MPa; at 0.7 MPa expect 563 N. Because air works both directions, the same valve signal extends and retracts the rod.
Inside is a rolled stainless barrel with a hard-chrome 12 mm rod, so splash zones and outdoor duty do not chew the body the way they do painted minis. In vertical terms, 402.2 N is about 41 kgf of theoretical lift - halve that for a 2:1 margin and the cylinder comfortably raises a 20 kg part. The magnet is fitted as standard, so CMSG / DMSG / EMSG switches drop on for end-of-stroke signalling.
Airtac MAC Stainless Steel Mini Air Cylinder MAC32X140SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC32X140SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 140 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.
Theoretical Output Force (Ø32mm)
| 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.
Model Code: Airtac MAC Stainless Steel Mini Air Cylinder MAC32X140SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 32 | Bore size in mm. |
| ×140 | 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 MAC32X140SCA Is Used
Rotating hopper gate
Pivoting a discharge gate on a powder-blending hopper open and closed each batch, the CA clevis carrying the swing motion directly across the 140 mm stroke.
CNC part flipper
A rocker arm that flips machined housings 180 degrees between two CNC stations, cushioning the over-centre travel at both ends so housings are not dropped or slammed.
Oven door tilt
Tilting the door of a bakery rack oven on every bake cycle; the stainless body tolerates the humid heat that would pit a painted mini within months.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC32X140SCA the Right Cylinder?
Compare 0.5 MPa forces before committing: 245.3 N for the 25 mm bore, 402.2 N here, 628.3 N for the 40 mm bore. Running pressure spans 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa = 215 psi. Because a centred valve leaves the rod free to drift, add a rod lock or pilot check valve whenever the load has to wait under power. The CA back cover pairs naturally with SDB pivot brackets, while FA flange and LB foot cover fixed cases; the standard magnet means the unit is sensor-ready from the box. With 140 mm of stroke, guide the load externally if any side force is present.
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 MAC32X140SCA FAQ
Measured at the rod: 402.2 N push and 345.6 N pull at 0.5 MPa, climbing to 563.0 N push and 483.8 N pull at 0.7 MPa. At the 1.0 MPa maximum the theoretical output is 82 kgf. Fluid is filtered air, 40 um or finer.
The barrel is stainless steel rolled into the aluminium covers, and the 12 mm rod is hard-chrome plated to 20 um. That combination tolerates damp air, splashes and outdoor exposure far longer than painted or plain aluminium bodies, with the riveted joints keeping the seal over years of cycling.
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