Airtac MAC Stainless Steel Mini Air Cylinder MAC32X680SU
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC32X680SU is a genuine double acting + cushion standard round-body mini air cylinder with a Ø32mm bore and 680mm 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
- Stroke680 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 MAC32X680SU
A stroke beyond the 500 mm standard limit is made to order, and the MAC32X680SU is exactly that: 680 mm of travel on the 32 mm cushioned double-acting body, rated 402.2 N push and 345.6 N pull from 0.5 MPa air.
Long strokes punish side load, so guide the load externally and keep thrust axial rather than letting the 12 mm hard-chrome rod carry any bending. The stainless barrel tolerates the condensation that collects around long conveyors, the variable cushions let you run the return fast without hammering the covers, and the flat-end U cover bolts straight to the frame. Trim the rating to 60 percent and roughly 241 N remains as realistic working force.
Airtac MAC Stainless Steel Mini Air Cylinder MAC32X680SU Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC32X680SU |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 680 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 MAC32X680SU
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 32 | Bore size in mm. |
| ×680 | 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 MAC32X680SU Is Used
Paint-line tunnel door
Sliding a curtain door across a 680 mm tunnel opening, with the cushions absorbing the slam at each end of the long travel.
Carousel tray lift
Raising storage trays one shelf pitch in a vertical carousel, planned around a 20 kg vertical lift figure with the 2:1 margin already built in.
Wide transfer-table pusher
Shoving cartons across the full width of a broad transfer conveyor, with a CMSG switch on the barrel confirming end positions.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC32X680SU the Right Cylinder?
The 25 mm bore (245.3 N at 0.5 MPa) serves lighter duty and the 40 mm bore (628.3 N) serves heavier pushes, so this 32 mm unit at 402.2 N sits between them. Before committing to a made-to-order length, check whether the standard 500 mm stroke would do. A long body needs external guiding and a stable mount - LB foot or FA flange suit better than a lone pivot - and the standard magnet keeps CMSG / DMSG / EMSG sensing on the barrel. If the valve centres, the load coasts freely; a rod lock or pilot check valve holds it.
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 MAC32X680SU FAQ
The stroke is made to order - 500 mm is the longest catalogue stroke for a 32 mm bore. Force is unchanged by length: 402.2 N push and 345.6 N pull at 0.5 MPa, 563.0 N push and 483.8 N pull at 0.7 MPa, and a theoretical 82 kgf maximum. Pressure range is 0.15-1.0 MPa (22-145 psi) with 30-800 mm/s speed and 1/8" ports.
Back both needle screws off before first run, then close them gradually until the end-of-stroke impact disappears. With 680 mm of travel the moving energy adds up quickly, so tune the cushions at your real cycle speed anywhere in the 30-800 mm/s window.
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