Airtac MGC Stainless Steel Mini Cylinder MGC63X350S
The AirTAC Airtac MGC Stainless Steel Mini Cylinder MGC63X350S is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø63mm bore and 350mm stroke, 1/4" air ports and a SUS304 stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
- BoreØ63 mm
- Stroke350 mm
- Port size1/4"
- Acting typeDouble acting + cushion
- Rod threadM18×1.5
- CushionVariable air cushion, both ends
About the Airtac MGC Stainless Steel Mini Cylinder MGC63X350S
The AirTAC MGC63X350S is a double acting, JIS-standard round-body mini cylinder with a 63 mm bore and 350 mm stroke, fitted with a variable air cushion at both ends. Because the cushion needle is adjustable, you can dial in smooth deceleration near end of travel, so this cylinder handles higher piston speeds and heavier moving loads than the bumper-type MG without hammering the covers. At 0.5 MPa it delivers 1557.9 N push and 1400.9 N pull, rising to 2181 N push at 0.7 MPa, with a theoretical maximum of 317.7 kgf at 1.0 MPa. The 1/4" port and M18x1.5 male rod thread on the 20 mm rod keep plumbing and tooling straightforward.
Construction follows the JIS mini-cylinder format: a SUS304 stainless barrel with covers and stainless block riveted and rolled onto it, plus a hard-chrome plated (20 um) carbon-steel rod and a two-way piston seal that also stores lubricant. It is not a tie-rod or extruded-profile design. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed range 30-800 mm/s and temperature -20 to +70 C on air filtered to 40 um. The fitted magnet (the S in the code) accepts CMSG, DMSG or EMSG switches, and mounting is via FA flange or LB foot with I and Y rod knuckles available. Note that the cushion only decelerates end of stroke; it is not a lock, 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 MGC63X350S Technical Specifications
| Model | Airtac MGC Stainless Steel Mini Cylinder MGC63X350S |
|---|---|
| Series | MGC JIS mini cylinder |
| Bore size | Ø63 mm |
| Stroke | 350 mm |
| Acting type | Double acting + cushion |
| Port size | 1/4" |
| Rod thread | M18×1.5 |
| 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | 1962 N |
| Max (@1.0 MPa) | 318 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 MGC63X350S
| MGC | JIS round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 63 | Bore size in mm. |
| ×350 | 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 MGC63X350S Is Used
Pallet push-off station
The 1557.9 N push at 0.5 MPa slides loaded pallets or heavy totes off a conveyor lane, while the variable air cushion stops the mass smoothly at stroke end instead of slamming the cover.
High-speed product diverters
At up to 800 mm/s piston speed, the adjustable cushion decelerates the pusher bar on fast packaging lines, protecting the 63 mm bore cylinder through millions of cycles.
Press-assist and clamping fixtures
With 2181 N push at 0.7 MPa and FA flange mounting, the MGC63X350S provides the force for light press-fit, staking or clamp fixtures where smooth end-of-stroke control matters.
Is the Airtac MGC Stainless Steel Mini Cylinder MGC63X350S the Right Cylinder?
At 63 mm bore this is the largest MGC in the range: 1557.9 N push at 0.5 MPa, roughly 158.8 kgf, so a sensible safe working load is about 95 kg (0.6x rule of thumb), or around 79 kg for vertical lifting. If your load is lighter or speeds are modest, the 50 mm bore MGC (981.3 N push at 0.5 MPa) may be more economical, and for 20-40 mm bores the bumper-type MG is the no-cushion alternative. Size the bore so the working force at your actual pressure covers the load with margin, then let the variable air cushion absorb the end-of-stroke energy at higher speeds. The 350 mm stroke is within the 500 mm maximum standard stroke for this bore; strokes up to 800 mm are made to order. Choose LB foot or FA flange mounting, add I or Y rod knuckles if the tooling needs them, and keep the S magnet if position sensing with CMSG/DMSG/EMSG switches is required. On a 350 mm stroke, watch side loads: the hard-chrome rod tolerates guidance errors far better with external guides than with cantilevered loads.
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 MGC63X350S FAQ
At 0.5 MPa the 63 mm bore gives 1557.9 N push and 1400.9 N pull; at 0.7 MPa it reaches 2181.0 N push and 1961.2 N pull, with a theoretical maximum of 317.7 kgf at 1.0 MPa. A practical rule of thumb is 0.6x the push force, so about 95 kg safe working load, or roughly 79 kg for vertical lifting.
The cushion needle at each end is adjustable, letting you meter the exhaust air so the piston decelerates smoothly near end of travel - ideal at higher speeds or with heavier moving loads. It is an adjustable air cushion, not a fixed bumper pad, and it only decelerates the stroke end: it is not a lock or brake, so use an external rod lock or pilot check valve for a held load.
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