Airtac MAC Stainless Steel Mini Air Cylinder MAC40X700SU
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC40X700SU is a genuine double acting + cushion standard round-body mini air cylinder with a Ø40mm bore and 700mm 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.
- BoreØ40 mm
- Stroke700 mm
- Port size1/8"
- Acting typeDouble acting + cushion
- Rod threadM12×1.25
- CushionVariable air cushion, both ends
About the Airtac MAC Stainless Steel Mini Air Cylinder MAC40X700SU
Built around a rolled stainless barrel with aluminium covers and a hard-chrome 16 mm rod, the MAC40X700SU is a 40 mm bore double-acting mini cushioned at both ends. Output runs 628.3 N push and 527.8 N pull at 0.5 MPa, scaling to 879.6 N at 0.7 MPa. Its 700 mm stroke is a made-to-order build, as it surpasses the 500 mm standard limit, and the U flat-end back cover suits fixed face mounting.
Translate the rating into buying decisions: about 377 N is the sensible continuous push at 0.5 MPa, equal to hoisting near 64 kg, or 32 kg with a comfortable 2:1 factor. The magnet is fitted as standard equipment, so CMSG, DMSG and EMSG switches drop on for end-of-stroke detection, and air filtered to 40 um keeps the twin seals lubricated and grease-stored for long service.
Airtac MAC Stainless Steel Mini Air Cylinder MAC40X700SU Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC40X700SU |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 700 mm |
| Acting type | Double acting + cushion |
| Port size | 1/8" |
| Rod thread | M12×1.25 |
| 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | 739 N |
| Max (@1.0 MPa) | 128 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 MAC40X700SU
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×700 | 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 MAC40X700SU Is Used
Lab mixer head lift
Lowering a mixer head into a 30 kg reagent vessel on a pilot plant rig, cushioned so the head lands softly and the stainless body wipes clean between batches.
Case erecter flap tuck
Tucking bottom flaps on corrugated cases at a co-packing site; 628 N at 0.5 MPa overcomes flap stiffness with 377 N to spare in continuous duty.
Gantry z-axis tool clamp
Actuating a clamp on a 700 mm vertical gantry axis, with EMSG switches reporting clamp state and a rod lock added to hold the axis on power loss.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC40X700SU the Right Cylinder?
If 628.3 N at 0.5 MPa is oversized, the 25 mm MAC gives 245.3 N; if 879.6 N at 0.7 MPa is tight, the 50 mm bore delivers 981.3 N. Position is not retained on air loss - a gantry axis that must stay put needs a rod lock or pilot check valve added to the circuit. The U flat-end cover mounts flush; add FA flange, LB foot or SDB bracket hardware plus I/Y knuckles to match the frame. For a 700 mm stroke, align the cylinder square to the load and support it externally, since side load is the main enemy of a long 16 mm rod.
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 MAC40X700SU FAQ
Push 628.3 N, pull 527.8 N at 0.5 MPa; push 879.6 N, pull 738.9 N at 0.7 MPa; theoretical maximum 128.1 kgf at 1.0 MPa. Rod 16 mm, rod thread M12x1.25, port 1/8", operating pressure 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi), speed 30-800 mm/s, temperature -20 to +70 C.
The U flat-end presents a flat face for direct bolting to a machine plate or an FA flange/LB foot bracket, while SDB pivot brackets and I/Y knuckles handle articulated loads - pick per axis instead of adding adaptor plates.
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