Airtac MAC Stainless Steel Mini Air Cylinder MAC32X550SCM
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC32X550SCM 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 MAC32X550SCM
With a CM round-end back cover instead of a pivot eye, the MAC32X550SCM bolts flush into fixed fixtures while keeping the 32 mm bore's 402 N push and 346 N pull at 0.5 MPa, or 563 N at 0.7 MPa. Match the rating to real parts and it will lift about 20 kg vertically once a 2:1 safety margin is applied - enough for most aluminium fixtures and filled pouches on a packaging deck.
The 550 mm stroke is a made-to-order barrel, since this bore's standard list stops at 500 mm. Variable cushion needles at both ends let you start commissioning with them open, then dial resistance in until a sliding carriage stops without a clunk at up to 800 mm/s. Supply air of 0.15-1.0 MPa (22-145 psi), filtered to 40 um, keeps the two-way piston seals greased and sealed.
Airtac MAC Stainless Steel Mini Air Cylinder MAC32X550SCM Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC32X550SCM |
|---|---|
| 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 MAC32X550SCM
| 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 MAC32X550SCM Is Used
Bottling capper assist
Pressing caps home on a rotary bottling monobloc: 402 N at 0.5 MPa seats caps rated to 250 N, and the CM round cover bolts flat against the machine deck.
High-bay access damper
A 550 mm stroke swings a warehouse access damper through its full arc while the cushion needles soften the slam at each end, sparing the sheet-metal frame.
Tray denesting pusher
Feeding PET trays off a stack into a thermoformer infeed: the stainless barrel survives the water-misted zone where painted bodies blister and pit.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC32X550SCM the Right Cylinder?
Compare before ordering: the 25 mm MAC pushes 245.3 N at 0.5 MPa and the 40 mm pushes 628.3 N, so this 32 mm tube suits mid-force jobs neither neighbour covers cost-effectively. The CM round-end cover pairs naturally with FA flange or LB foot brackets; pivoting motion instead calls for the SCA variant. Note that a MAC holds nothing when air fails - the rod coasts with the load - so fit a rod lock or pilot check valve on any holding duty.
Long 550 mm strokes amplify side loads, so carry the payload on external guideways and check rod bending against any offset. Ports are 1/8" with an M10x1.25 rod thread; PT comes standard and G or NPT is simply specified at order. The made-to-order stroke is confirmed by enquiry.
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 MAC32X550SCM FAQ
Push is 402.2 N and pull 345.6 N at 0.5 MPa; at 0.7 MPa these become 563.0 N and 483.8 N, with a theoretical maximum of 82 kgf at 1.0 MPa. The cylinder runs on 0.15-1.0 MPa (22-145 psi), tolerates 1.5 MPa (215 psi) proof, and strokes at 30-800 mm/s.
Yes - every MAC carries the magnet built into the piston as standard, so CMSG, DMSG and EMSG switches clamp onto the stainless barrel at any position along the 550 mm travel with no special-order piston.
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