Airtac MGC Stainless Steel Mini Cylinder MGC40X175
The AirTAC Airtac MGC Stainless Steel Mini Cylinder MGC40X175 is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø40mm bore and 175mm stroke, 1/8" air ports and a SUS304 stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
- BoreØ40 mm
- Stroke175 mm
- Port size1/8"
- Acting typeDouble acting + cushion
- Rod threadM14×1.5
- CushionVariable air cushion, both ends
About the Airtac MGC Stainless Steel Mini Cylinder MGC40X175
The AirTAC MGC40X175 is a JIS-standard round-body mini cylinder, double acting, with a variable air cushion at both stroke ends. The cushion needles let you dial in deceleration near end of travel, so this 40 mm bore unit can run at higher piston speeds and carry heavier moving loads than the bumper-type MG without hammering the covers. At 0.5 MPa it delivers 628.3 N push and 527.8 N pull, rising to 879.6 N push at 0.7 MPa, with a theoretical maximum of 128.1 kgf at 1.0 MPa. As a rule of thumb, treat about 0.6 of the 0.5 MPa push force as a safe working load, roughly 38 kgf, or about 32 kgf if the load is lifted vertically.
Construction follows the JIS mini format: covers and stainless block are riveted and rolled onto a SUS304 stainless barrel, with a hard-chrome plated (20 um) carbon-steel rod and a two-way piston seal that also stores lubricant. The 16 mm rod carries an M14x1.5 male thread and air is supplied through 1/8" ports. It operates on air filtered to 40 um at 0.15 to 1.0 MPa (22 to 145 psi), proof pressure 1.5 MPa (215 psi), from -20 to +70 C, at speeds of 30 to 800 mm/s. Mounting is FA flange or LB foot, with I and Y rod knuckles available. Note that the cushion only decelerates the stroke end; it is not a lock or brake, so use an external rod lock or pilot check valve if the load must be held on air loss.
Airtac MGC Stainless Steel Mini Cylinder MGC40X175 Technical Specifications
| Model | Airtac MGC Stainless Steel Mini Cylinder MGC40X175 |
|---|---|
| Series | MGC JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 175 mm |
| Acting type | Double acting + cushion |
| Port size | 1/8" |
| Rod thread | M14×1.5 |
| 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 MG-series (JIS standard) datasheet. Barrel: SUS304 stainless steel (round-body, riveted construction); piston rod: carbon steel with 20µm hard-chrome plating. Thread options: PT (blank) / G / NPT.
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 MGC Stainless Steel Mini Cylinder MGC40X175
| MGC | JIS round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×175 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
| FA / LB | Mounting: FA flange, LB foot. |
MG-family variants: MG / MGC (double acting ±cushion), MSG / MTG (single acting push / pull), MGD / MGCD (double rod ±cushion). Accessories: LB foot, FA flange, plus I and Y knuckles. Thread PT (blank) / G / NPT.
Where the Airtac MGC Stainless Steel Mini Cylinder MGC40X175 Is Used
High-cycle parts ejection
The variable air cushion absorbs piston momentum at end of stroke, letting this 40 mm bore cylinder eject parts from chutes or fixtures at higher speeds than a bumper-type mini without cover impact.
Conveyor push-off stations
With 628.3 N push at 0.5 MPa, the MGC40X175 diverts cartons or trays off a line, while the adjustable cushion stops the moving load smoothly at both ends of the 175 mm stroke.
Light clamping and press-fit assist
Up to 879.6 N push at 0.7 MPa suits small assembly presses and clamps; the cushion decelerates the rod before contact zones, and FA flange or LB foot mounting fixes the body firmly in the fixture.
Is the Airtac MGC Stainless Steel Mini Cylinder MGC40X175 the Right Cylinder?
At 40 mm bore the MGC40X175 sits mid-range in the cushioned MGC family: 628.3 N push at 0.5 MPa, above the 32 mm bore (402.2 N) and below the 50 mm bore (981.3 N). If your application is slow and light and you do not need end-of-stroke deceleration, the plain bumper-type MG in 40 mm bore is the no-cushion alternative; if you need a second rod or a larger bore, look at the MGD/MGCD double-rod types, which share the 50 and 63 mm options with MGC. The 175 mm stroke is within the 500 mm maximum standard stroke for this bore, so it ships as a standard item; strokes up to 800 mm are made to order. Choose the -S option if you want position sensing with CMSG, DMSG or EMSG switches; this non-S model carries no magnet, so no sensor can be mounted. Pick FA flange or LB foot mounting and add I or Y rod knuckles as needed. At 175 mm stroke the 16 mm rod tolerates modest side load only; guide the load externally for long or offset strokes.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting (LB / FA) & knuckle
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 and release gradually.
- check Installation by qualified personnel per AirTAC docs.
Airtac MGC Stainless Steel Mini Cylinder MGC40X175 FAQ
At 0.5 MPa it pushes with 628.3 N and pulls with 527.8 N; at 0.7 MPa those rise to 879.6 N push and 738.9 N pull. The theoretical maximum is 128.1 kgf at 1.0 MPa. A practical rule of thumb is to size the load at about 0.6 of the 0.5 MPa push force, roughly 38 kgf, or about 32 kgf for a vertical lift.
The cushion is an adjustable air cushion at both stroke ends: turn the needle valve to meter exhaust and decelerate the piston smoothly before the covers, which suits higher speeds and heavier moving loads. It only decelerates the stroke end; it is not a lock, hold or brake. If the load must stay in place on air loss, fit an external rod lock or pilot check valve. The SUS304 stainless barrel and hard-chrome rod suit this JIS round-body design to harsh or washdown-prone environments.
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