Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ63X20-10S
The AirTAC Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ63X20-10S is a genuine double acting, adjustable stroke + cushion standard round-body mini air cylinder with a Ø63mm bore and 20mm stroke, 1/4" 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.
- BoreØ63 mm
- Stroke20 mm
- Port size1/4"
- Acting typeDouble acting, adjustable stroke + cushion
- Rod threadM14×1.5
- CushionVariable air cushion, both ends
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ63X20-10S
With a 63 mm bore inside a riveted round stainless barrel, the MACJ63X20-10S delivers 1558 N of push at 0.5 MPa over just 20 mm of travel, and the stop screw lets you trim that extend stroke down within a 10 mm window on site. It is double-acting with a variable air cushion at each end, so even short, hard hits land softly on the covers.
The stainless tube and hard-chrome plated rod shrug off coolant splash, humidity and washdown that would blister painted-steel minis, while the built-in magnet (standard, never an extra order) picks up CMSG, DMSG or EMSG switches. Since the true push at 0.5 MPa is 1558 N, plan real work at roughly 935 N; that is still enough to clamp a small aluminium fixture against a serious machining load.
Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ63X20-10S Technical Specifications
| Model | Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ63X20-10S |
|---|---|
| Series | MACJ mini cylinder |
| Bore size | Ø63 mm |
| Stroke | 20 mm |
| Acting type | Double acting, adjustable stroke + cushion |
| Port size | 1/4" |
| 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 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1458 N |
| 0.7 MPa | 2182 N | 2041 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 MACJ Stainless Steel Mini Adjustable Cylinder MACJ63X20-10S
| MACJ | Standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 63 | Bore size in mm. |
| ×20 | Stroke length in mm. |
| -10 | Adjustable stroke window (mm the extend stroke can be shortened on site). |
| -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 MACJ Stainless Steel Mini Adjustable Cylinder MACJ63X20-10S Is Used
CNC fixture clamp
Clamps small aluminium housings in a milling fixture; about 935 N of usable clamp force at 0.5 MPa holds parts tight without crushing thin walls.
Bottle capper press
A 20 mm stroke with a 10 mm trim window presses caps onto glass bottles; the end cushion keeps the capping head from cracking the glass.
Guard-door interlock
The magnet-standard body drives a CMSG switch so the PLC confirms a machine-guard gate is fully seated before the cycle starts.
Is the Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ63X20-10S the Right Cylinder?
Downsize check: a bore 50 unit in this series tops out at 981 N of push at 0.5 MPa, so if your clamp needs more than that, this 63 mm barrel at 1558 N is the step up. Above 63 mm there is nothing in the MA range, so for force from both rod ends look at the double-rod MACD63 instead. Air supply runs 0.15-1.0 MPa (22-145 psi), speed 30-800 mm/s, port 1/4" and rod thread M14x1.5. The adjuster is a mechanical end stop only - if air is lost the rod still drifts, so it never substitutes for a load-holding brake.
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 MACJ Stainless Steel Mini Adjustable Cylinder MACJ63X20-10S FAQ
At 0.5 MPa it pushes 1558 N and pulls 1457 N; at 0.7 MPa push rises to 2181 N and pull to 2040 N. The theoretical maximum at 1.0 MPa is 317.7 kgf. Keep real working loads near 935 N and the bore holds a comfortable margin at normal line pressure.
The rolling-packed stainless body accepts an FA flange or LB foot, with I and Y rod knuckles for pivoting loads. Every unit ships with the magnet already installed, so CMSG, DMSG or EMSG switches snap straight onto the barrel with no special-order piston.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
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