Airtac TMIC Guided Cylinder with Guide Unit TMICM25X250
The AirTAC Airtac TMIC Guided Cylinder with Guide Unit TMICM25X250 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 250mm stroke stays true, giving you a ready-to-mount linear slide without a separate guide.
- BoreØ25 mm
- Stroke250 mm
- Port size1/8"
- BearingBrass bearing
- Acting typeDouble acting
- CushionVariable air cushion, both ends
About the Airtac TMIC Guided Cylinder with Guide Unit TMICM25X250
Built around a 25 mm bore, this double-acting guide-frame cylinder integrates an MIC unit into a twin-rod aluminium slide running on brass bearings. It pushes with 245.3 N and pulls with 206.1 N at 0.5 MPa, while the needle-set variable air cushion at both ends absorbs high-speed shock for smooth, quiet motion. The brass bearing design provides high torsional stiffness, making it the right choice when the load twists the tool or pushes sideways.
At this bore, a safe working thrust is roughly 147 N (about 60% of the 0.5 MPa push force), or a vertical push of about 12.5 kg with a 2:1 margin, load curve permitting. The 1/8" port feeds the 10 mm rod, and the 250 mm stroke hits the standard maximum for this size. Remember that the allowable load drops as the weight sits further from the plate, so always size from the load-offset curve rather than relying on thrust alone. This SKU lacks a magnet and cannot take a sensor.
Airtac TMIC Guided Cylinder with Guide Unit TMICM25X250 Technical Specifications
| Model | Airtac TMIC Guided Cylinder with Guide Unit TMICM25X250 |
|---|---|
| Series | TMIC guide-frame cylinder |
| Bore size | Ø25 mm |
| Stroke | 250 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 TMICM25X250
| TMIC | Guide-frame cylinder with variable air cushion. |
|---|---|
| M | Brass bearing — high torsional stiffness, best for radial-load resistance. |
| 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-TMICM25X250 when needed.
Where the Airtac TMIC Guided Cylinder with Guide Unit TMICM25X250 Is Used
Long-Stroke Transfer Pusher
Uses the full 250 mm travel to push heavy pallets off a line, relying on the 245.3 N thrust and twin-rod frame to keep the push square under high side torque.
High-Speed Carton Flap Folder
Swings heavy packaging flaps rapidly, where the brass bearings resist the twisting load and the variable air cushion decelerates the 25 mm bore smoothly at stroke end.
Vertical Lift Gate Actuator
Lifts a 12 kg gate with a 2:1 safety margin, while the guide frame handles the radial load; a pilot check valve must be added since the cushion only decelerates.
Is the Airtac TMIC Guided Cylinder with Guide Unit TMICM25X250 the Right Cylinder?
When sizing, step down to the TMICM20X250 if your application needs less force, as it provides 157 N of push at 0.5 MPa. If you need more power, this 25 mm bore is the largest in the cushioned range, pushing 343.4 N at 0.7 MPa. Choose this brass-bearing M variant over the linear-bearing TMICL when your setup involves high torsional loads or side thrust. The variable air cushion is essential for high-speed moves, but if you only need basic end-stop absorption at lower cost, consider the bumper-equipped TMIM.
Because this 250 mm stroke reaches the maximum standard travel for a 25 mm bore, verify your mounting geometry to prevent binding. The guide frame resists side load but does not hold position on air loss, so add an external rod lock or pilot check valve for vertical loads. Finally, this specific SKU has no magnet, meaning it cannot accept CMSG, DMSG, or EMSG switches; order the -S variant if you require position sensing.
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 TMICM25X250 FAQ
This 25 mm bore cylinder pushes 245.3 N and pulls 206.1 N at 0.5 MPa. At 0.7 MPa, push is 343.4 N and pull is 288.5 N, with a theoretical max of 50 kgf at 1.0 MPa. However, thrust is not the load limit; the allowable load depends on the load-offset distance and must be read from the TMI/TMIC maximum-load curves.
This specific SKU lacks a magnet, so it cannot accept CMSG, DMSG, or EMSG switches; you need the -S variant for sensing. It uses brass bearings that provide high torsional stiffness and radial-load resistance, paired with a variable air cushion at both ends that decelerates the piston near stroke end but does not lock or hold the load.
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