Airtac TMIC Guided Cylinder with Guide Unit TMICL20X125S
The AirTAC Airtac TMIC Guided Cylinder with Guide Unit TMICL20X125S is a genuine guide-frame (guided) pneumatic cylinder — a Ø20mm 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 125mm stroke stays true, giving you a ready-to-mount linear slide without a separate guide.
- BoreØ20 mm
- Stroke125 mm
- Port size1/8"
- BearingLinear bearing
- Acting typeDouble acting
- CushionVariable air cushion, both ends
About the Airtac TMIC Guided Cylinder with Guide Unit TMICL20X125S
Built around a twin-rod aluminium guide frame running on linear bearings, the TMICL20X125S is a double-acting pneumatic slide ready for high-precision duty. A needle-set variable air cushion at both ends soaks up high-speed shock, keeping motion square and quiet, while the frame absorbs side load and torque so the rod stays true.
This 20 mm bore unit delivers 157 N of push and 131.9 N of pull at 0.5 MPa through a 1/8" port, yielding a safe working thrust of roughly 94 N and a vertical push capacity of about 8 kg with a 2:1 margin, load curve permitting. The -S suffix adds a piston magnet for CMSG, DMSG or EMSG switches. Remember the frame's allowable load falls as the offset grows, so size from the load curve, not thrust alone.
Airtac TMIC Guided Cylinder with Guide Unit TMICL20X125S Technical Specifications
| Model | Airtac TMIC Guided Cylinder with Guide Unit TMICL20X125S |
|---|---|
| Series | TMIC guide-frame cylinder |
| Bore size | Ø20 mm |
| Stroke | 125 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 (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | 185 N |
| Max (@1.0 MPa) | 32 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 TMICL20X125S
| TMIC | Guide-frame cylinder with variable air cushion. |
|---|---|
| L | Linear bearing — low friction, high precision, best for push-up / high-load. |
| 20 | Bore size in mm. |
| ×125 | 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-TMICL20X125 when needed.
Where the Airtac TMIC Guided Cylinder with Guide Unit TMICL20X125S Is Used
Vertical Push-Up Assembly
Leveraging the low-friction linear bearings, this cylinder provides a smooth 8 kg vertical push, ideal for raising delicate electronic components into test fixtures.
High-Speed Diverting
The twin-rod frame handles side loading while the needle air cushion absorbs end-of-stroke shock during rapid package diverting at up to 500 mm/s.
Precision Stamping Press
Delivering 94 N of safe working thrust, this guided slide stamps thin foils accurately without rod deflection, ensuring consistent part quality.
Is the Airtac TMIC Guided Cylinder with Guide Unit TMICL20X125S the Right Cylinder?
Size this unit both ways: the 16 mm sibling offers 100.5 N push at 0.5 MPa for lighter jobs, while the 25 mm bore steps up to 245.3 N when you need more force. Choose these linear bearings over the brass-bearing TMICM when low friction and smooth, accurate travel matter more than torsional stiffness. The variable air cushion earns its keep at high speeds or with heavy moving masses, decelerating the stroke cleanly without a hard impact. Always cross-check your payload against the TMI/TMIC load-offset curve, and since this is an -S model, you can directly mount CMSG, DMSG or EMSG position switches.
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 TMICL20X125S FAQ
At 0.5 MPa it pushes 157 N and pulls 131.9 N; at 0.7 MPa it pushes 219.8 N and pulls 184.7 N, with a theoretical max of 32 kgf at 1.0 MPa. Thrust is not the guided-load limit, however; the allowable payload depends on the load-offset distance and must be verified from the TMI/TMIC maximum-load curves.
The linear bearings provide high precision and low friction, making the unit best for vertical push-up moves, while the variable air cushion at both ends decelerates the piston near stroke end for smooth stops. The cushion is not a lock or brake, so on air loss the piston will drift; to hold a suspended load, fit an external rod lock or pilot check valve. This -S model includes a magnet for CMSG, DMSG or EMSG sensors.
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