Airtac TMIC Guided Cylinder with Guide Unit TMICM25X25S
The AirTAC Airtac TMIC Guided Cylinder with Guide Unit TMICM25X25S is a genuine guide-frame (guided) pneumatic cylinder — a Ø25mm double-acting MI mini cylinder built into a twin-rod guide unit running on brass bearings. The guide frame absorbs side load and torque so the 25mm stroke stays true, giving you a ready-to-mount linear slide without a separate guide.
- BoreØ25 mm
- Stroke25 mm
- Port size1/8"
- BearingBrass bearing
- Acting typeDouble acting
- CushionVariable air cushion, both ends
About the Airtac TMIC Guided Cylinder with Guide Unit TMICM25X25S
Built around a 25 mm bore, this double-acting guide-frame cylinder integrates an MIC round-body unit into a twin-rod aluminium slide running on brass bearings. It delivers 245.3 N of push force at 0.5 MPa, making it a solid choice for heavier tooling. The brass bearing design provides high torsional stiffness to shrug off radial loads, while the needle-set variable air cushion at both ends soaks up high-speed shock for smooth, square stops.
The frame carries side load and torque so the rod stays true, but the allowable payload depends on the load-offset distance—always size from the maximum-load curve rather than the thrust alone. For a safe working margin, figure on about 147 N of thrust (60% of the 0.5 MPa push figure), which pushes roughly 12.5 kg vertically with a 2:1 safety factor, load curve permitting. This -S SKU includes a piston magnet for position sensing.
Airtac TMIC Guided Cylinder with Guide Unit TMICM25X25S Technical Specifications
| Model | Airtac TMIC Guided Cylinder with Guide Unit TMICM25X25S |
|---|---|
| Series | TMIC guide-frame cylinder |
| Bore size | Ø25 mm |
| Stroke | 25 mm |
| Bearing type | Brass bearing (high torsional stiffness) |
| Guide | Twin-rod guide frame, double-rod unit |
| Port size | 1/8" |
| Acting type | Double acting |
|---|---|
| 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 – 500 mm/s |
| Cushion | Variable air cushion, both ends |
| Max standard stroke | Up to 250 mm |
Specifications follow the official AirTAC TMI/TMIC datasheet. Guide frame & fixed plate: aluminum alloy; matching cylinder: MI/MIC round-body mini cylinder. Allowable load depends on the load-offset distance — consult the TMI/TMIC maximum-load curves before final selection. Thread options: PT (blank) / G.
Theoretical Output Force (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | 289 N |
| Max (@1.0 MPa) | 50 kgf | |
Thrust equals the underlying MI cylinder. The usable load a guide frame can carry is limited by the load-offset curve, not by thrust alone — always check both. Actual force is lower than theoretical due to friction and back-pressure.
Model Code: Airtac TMIC Guided Cylinder with Guide Unit TMICM25X25S
| TMIC | Guide-frame cylinder with variable air cushion. |
|---|---|
| M | Brass bearing — high torsional stiffness, best for radial-load resistance. |
| 25 | Bore size in mm. |
| ×25 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
TMI/TMIC family: TMI (bumper) / TMIC (cushion), bearing M (brass) / L (linear). Order the guide frame separately as F-TMICM25X25 when needed.
Where the Airtac TMIC Guided Cylinder with Guide Unit TMICM25X25S Is Used
Heavy Stamping Head
Drives a 12 kg stamping tool at high speed, relying on the 245.3 N thrust and brass bearings to resist twisting while the air cushion softens the end-of-stroke impact.
Carton Flap Folder
Folds heavy cardboard flaps swiftly, where the twin-rod frame maintains square alignment and the needle-set cushion prevents jarring rebounds.
Pallet Diverter Gate
Pushes loaded pallets sideways using the robust 25 mm bore thrust class, with the brass bearings handling the radial load without binding.
Is the Airtac TMIC Guided Cylinder with Guide Unit TMICM25X25S the Right Cylinder?
When sizing this 25 mm bore unit against the family, step down to the TMICM20X25S if your application only needs 157.0 N of push at 0.5 MPa, or look beyond the range if you require more than 245.3 N. Choose this brass-bearing (M) variant over the linear-bearing TMICL when the load twists the tool or pushes heavily sideways. The variable air cushion is essential for high-speed moves, but remember it only decelerates near stroke end—it is not a lock. If you need to hold position on air loss, add an external rod lock or pilot check valve. Confirm the 1/8" port and mount the CMSG, DMSG, or EMSG sensors directly using the built-in magnet.
Quick checklist
- ✓ Required thrust at your working pressure
- ✓ Load and offset within the load curve
- ✓ Bearing: brass (torque) vs linear (precision)
- ✓ Stroke and mounting space
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Keep the load within the load-offset curve.
- check Mount on a flat, rigid surface using the fixed plate.
- check Do not exceed the rated speed (30-500 mm/s).
- check Installation by qualified personnel per AirTAC docs.
Airtac TMIC Guided Cylinder with Guide Unit TMICM25X25S FAQ
This 25 mm bore cylinder pushes 245.3 N and pulls 206.1 N at 0.5 MPa, pushing 343.4 N at 0.7 MPa, with a theoretical max of 50 kgf at 1.0 MPa. However, thrust is not the guided-load limit—the actual payload it can carry falls as the load sits further from the plate, so you must verify the allowable load using the TMI/TMIC load-offset curve.
Yes, the -S suffix means this model has a built-in magnet for CMSG, DMSG, or EMSG switches. The variable air cushion at both ends only decelerates the piston near stroke end to absorb shock; it does not lock or hold position. The guide frame resists side load, but on air loss the piston will drift unless you add an external rod lock.
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