Airtac MAC Stainless Steel Mini Air Cylinder MAC32X550SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC32X550SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø32mm bore and 550mm 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
- Stroke550 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 MAC32X550SCA
MAC32X550SCA stretches the 32 mm AirTAC MAC mini to a 550 mm stroke with a CA pivot back cover, made for trailing linkages on long-travel slides. Double acting with a variable air cushion at each end, it pushes 402 N and pulls 346 N at 0.5 MPa, rising to 563 N at 0.7 MPa. Keep real working force near 241 N - about 60% of the 0.5 MPa push - and the piston never labours near stall, even at 30-800 mm/s on a 0.15-1.0 MPa (22-145 psi) supply.
Because 550 mm exceeds the 500 mm standard stroke ceiling of this bore, AirtacDistr supplies it as a made-to-order barrel. The rolling-packed stainless-steel tube with its hard-chrome plated 12 mm rod tolerates humid, washed-down plant air that swells painted minis, while the factory-fitted magnet reads CMSG, DMSG or EMSG switches with no special piston.
Airtac MAC Stainless Steel Mini Air Cylinder MAC32X550SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC32X550SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 550 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 MAC32X550SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 32 | Bore size in mm. |
| ×550 | 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 MAC32X550SCA Is Used
Palletiser gate lifting
A 15 kg safety gate on a palletising cell rises on the CA pivot eye; the 550 mm stroke clears a full pallet and the 241 N working force dwarfs the 147 N the door needs.
Cross-belt carton pusher
Kicking cartons across a wide distribution conveyor: the cushion screws tame the stop at both ends so boxes do not bounce back off the guard rail.
Mix-tank scraper arm
A stainless barrel beside a CIP washdown station drives a scraper through a 550 mm arc; steamed, humid air would pit a painted mini within months.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC32X550SCA the Right Cylinder?
Sizing check: the 25 mm MAC delivers 245.3 N push at 0.5 MPa and the 40 mm reaches 628.3 N, so this 32 mm bore sits squarely mid-range; drop to 25 for lighter clamps, step up to 40 near 550 N demands. A plain MAC drifts when the valve centres or air drops, so add a pilot check valve or rod lock wherever the load must stay put. FA flange, LB foot and SDB pivot brackets bolt on, and the CA pivot cover here takes a knuckle joint directly.
At 550 mm of travel, side load is the rod's enemy - guide the payload on external rails and keep thrust in line with the bore axis. Port is 1/8", rod thread M10x1.25; G and NPT threads are order options beside standard 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 MAC32X550SCA FAQ
At 0.5 MPa it pushes 402.2 N and pulls 345.6 N; at 0.7 MPa push rises to 563.0 N with 483.8 N pull, and theoretical maximum output is 82 kgf at 1.0 MPa. Working pressure spans 0.15-1.0 MPa (22-145 psi) with 1.5 MPa (215 psi) proof, and rod speed runs 30-800 mm/s.
The CA cover adds a pivot eye, so the 550 mm stroke can swing through a linkage or lever without a separate knuckle bracket. The 12 mm hard-chrome rod and 1/8" port keep plumbing simple, and the built-in magnet drives CMSG, DMSG or EMSG switches along the full travel.
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