Airtac TMIC Guided Cylinder with Guide Unit TMICL25X250
The AirTAC Airtac TMIC Guided Cylinder with Guide Unit TMICL25X250 is a genuine guide-frame (guided) pneumatic cylinder — a Ø25mm double-acting MI mini cylinder built into a twin-rod guide unit running on linear bearings. The guide frame absorbs side load and torque so the 250mm stroke stays true, giving you a ready-to-mount linear slide without a separate guide.
- BoreØ25 mm
- Stroke250 mm
- Port size1/8"
- BearingLinear bearing
- Acting typeDouble acting
- CushionVariable air cushion, both ends
About the Airtac TMIC Guided Cylinder with Guide Unit TMICL25X250
Built around a twin-rod aluminium guide frame running on linear bearings, the AirTAC TMICL25X250 is a double-acting guided cylinder that delivers 245.3 N of push thrust at 0.5 MPa. A needle-set variable air cushion at both ends absorbs high-speed shock, ensuring smooth and square motion at the end of its 250 mm stroke. This combination of a rigid frame and low-friction bearings makes it a ready-to-mount linear slide rather than a bare cylinder.
Because the guide frame carries the torque and side loads, the actual payload you can drive depends heavily on the load-offset distance. You must size the allowable load from the TMI/TMIC maximum-load curves instead of relying on the 50 kgf theoretical maximum force alone. For practical vertical push-up applications, expect a safe working thrust of roughly 147 N, which translates to pushing about 12.5 kg vertically with a 2:1 safety margin. Note that this specific SKU lacks a magnet and therefore cannot support CMSG, DMSG or EMSG sensors.
Airtac TMIC Guided Cylinder with Guide Unit TMICL25X250 Technical Specifications
| Model | Airtac TMIC Guided Cylinder with Guide Unit TMICL25X250 |
|---|---|
| Series | TMIC guide-frame cylinder |
| Bore size | Ø25 mm |
| Stroke | 250 mm |
| Bearing type | Linear bearing (low friction, high precision) |
| 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 TMICL25X250
| TMIC | Guide-frame cylinder with variable air cushion. |
|---|---|
| L | Linear bearing — low friction, high precision, best for push-up / high-load. |
| 25 | Bore size in mm. |
| ×250 | 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-TMICL25X250 when needed.
Where the Airtac TMIC Guided Cylinder with Guide Unit TMICL25X250 Is Used
Vertical Lift Stations
Lifts 12.5 kg payloads through 250 mm with low-friction linear bearings, relying on the air cushion to prevent end-of-stroke slamming.
Heavy Product Diversion
Pushes items laterally with 245.3 N thrust while the twin-rod frame absorbs the side load to keep the motion square.
Pallet Loading Stops
Acts as a precise high-stroke stopper where the 1/8 inch port delivers rapid actuation under high flow demands.
Is the Airtac TMIC Guided Cylinder with Guide Unit TMICL25X250 the Right Cylinder?
When sizing this 25 mm bore unit, consider the step down to a TMICL20X250 if your application requires less force, as the 20 mm bore provides 157.0 N of push at 0.5 MPa. If you need to push beyond the 343.4 N available at 0.7 MPa from this model, you would step outside the TMICL family. Choose these linear bearings over the brass-bearing TMICM variant when low friction and high travel precision are more critical than torsional stiffness. The variable air cushion is essential here for taming the momentum of heavier loads moving at speeds up to 500 mm/s. Always verify your allowable load against the load-offset curve, and remember that since this SKU lacks the -S magnet option, it cannot accept position sensors. For holding a load vertically on air loss, add an external rod lock or pilot check valve.
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 TMICL25X250 FAQ
The TMICL25X250 delivers 245.3 N push and 206.1 N pull at 0.5 MPa, rising to 343.4 N push 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 capacity falls as the load sits further from the plate, so you must confirm the allowable load from the TMI/TMIC maximum-load curves.
The linear bearings provide low-friction, high-precision travel ideal for vertical push-up moves, while the needle-set variable air cushion at both ends decelerates the piston smoothly to absorb high-speed shock. This cylinder cannot hold position on air loss and the cushion is not a brake; for load holding you need an external rod lock. Also, this non-S SKU cannot take CMSG, DMSG or EMSG sensors.
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