Airtac MAC Stainless Steel Mini Air Cylinder MAC40X105SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC40X105SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø40mm bore and 105mm 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
- Stroke105 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 MAC40X105SCA
Swinging arms and pivoting linkages are home ground for the MAC40X105SCA, whose CA back cover puts a pivot lug right where the force is needed. The 40 mm double-acting bore yields 628 N of push and 528 N of pull at 0.5 MPa, 880 N and 739 N at 0.7 MPa, with 128.1 kgf as the theoretical maximum. Its 105 mm stroke stays inside the 500 mm standard range for this bore.
Both stroke ends carry a variable air cushion - open the needle screws on commissioning, then close them slowly while running anywhere from 30 to 800 mm/s. The stainless barrel and hard-chrome plated 16 mm rod stand up to condensation, and the standard magnet accepts CMSG, DMSG and EMSG switches. Practically, that means about 377 N of honest working push at 0.5 MPa, or close to 32 kg raised vertically with a safety margin.
Airtac MAC Stainless Steel Mini Air Cylinder MAC40X105SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC40X105SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 105 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 MAC40X105SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×105 | 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 MAC40X105SCA Is Used
Mixer-discharge swing chute
A 105 mm swing on the CA pivot directs product between two outlets, with the variable cushion easing the chute into each stop without a bang.
Transfer-cart load pusher
Pushing palletised loads off a cart onto a roller bed draws on 628 N at 0.5 MPa; about 377 N is the working figure to plan the ramp around.
Film-unwind tension arm
A pivoting dancer arm rides on the CA lug, and stable travel within the 30-800 mm/s speed band holds web tension without end-of-travel knock.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC40X105SCA the Right Cylinder?
The 25 mm bore manages 245 N at 0.5 MPa while the 50 mm reaches 981 N, which shows the headroom around this 40 mm unit with its 105 mm stroke. Because the stroke passes 100 mm, keep the tooling guided and avoid side thrust on the 16 mm rod to prevent bending. For pivoted installs the CA cover plus an SDB bracket is the natural pairing; FA flange and LB foot suit static frames. When air drops, the rod drifts freely - fit a rod lock or pilot check valve if the arm must park under load.
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 MAC40X105SCA FAQ
This 40 mm bore pushes 628 N and pulls 528 N at 0.5 MPa; at 0.7 MPa the figures are 880 N and 739 N, with a theoretical maximum of 128.1 kgf. Run it on 0.15-1.0 MPa (22-145 psi) air; proof pressure is 1.5 MPa (215 psi).
The CA back cover provides a pivot lug for linkages and swinging arms without an added bracket, and the magnet built into the piston as standard means CMSG, DMSG and EMSG switches can be fitted at any time - no special-order piston required.
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