Cilindru cu tijă piston SMC C85WE12-25

SMC offers double-acting, through-rod pneumatic cylinders, compliant with ISO 6432. The range covers six bore sizes, from 8 mm to 25 mm, with two main variants depending on whether or not an integrated magnet is fitted for position sensing.

Characteristics :
This double-acting pneumatic cylinder drives a through rod on both sides of the body, which allows symmetrical rod extension and flexible mounting depending on the chosen orientation. Compressed air feeds the two chambers alternately, without the use of a lubricant, as the construction requires no additional lubrication.

End-of-stroke cushioning is, by default, based on an elastic system; a pneumatic cushion is available as an option from the 10 mm bore size upwards, with the smallest bore size accepting only the elastic version.

References beginning with C85W correspond to the version without a magnet, while those beginning with CD85W designate the detectable version, fitted with an integrated magnet. This detectable version incorporates a magnet enabling the piston position to be detected using compatible magnetic sensors, mounted on a rail or with a clamp depending on the model chosen.

Several mounting brackets complete the range, including the single bracket, double bracket, flange and trunnion, together with rod-end accessories such as the rod eye or clevis. As an option, a rod boot, in nylon fabric or in fabric resistant to high temperatures, protects the rod on 20 mm and 25 mm bores. Special versions extend the field of application: modified rod end, temperature resistance from -40 °C to 150 °C depending on the variant, reinforced wiper or stainless steel construction.

Specifications :
- Range: C85.
- Series: C85W.
- Type: double acting, through rod.
- Fluid: air.
- Available bores: 8 mm, 10 mm, 12 mm, 16 mm, 20 mm and 25 mm.
- Proof pressure: 1.5 MPa.
- Maximum operating pressure: 1.0 MPa.
- Minimum operating pressure: from 0.05 MPa to 0.1 MPa with elastic cushion, and from 0.05 MPa to 0.08 MPa with pneumatic cushion, depending on bore size; pneumatic option not available on the 8 mm bore.
- Ambient and fluid temperature: from -20 °C to 80 °C without sensor and from -10 °C to 60 °C with sensor, non-freezing.
- Lubrication: not required.
- Permissible stroke tolerance: from +1.0 mm to +1.4 mm (lower limit at 0 mm), depending on bore size.
- Piston speed: from 50 mm/s to 1,500 mm/s.
- Permissible kinetic energy, elastic cushion: 0.02 J on the 8 mm bore, 0.03 J on 10 mm, 0.04 J on 12 mm, 0.09 J on 16 mm, 0.27 J on 20 mm and 0.4 J on 25 mm.
- Permissible kinetic energy, pneumatic cushion: 0.17 J on the 10 mm bore, 0.19 J on 12 mm, 0.4 J on 16 mm, 0.66 J on 20 mm and 0.97 J on 25 mm; not available on the 8 mm bore.
- Standard strokes: from 10 mm to 100 mm on the 8 and 10 mm bores, from 10 mm to 200 mm on the 12 and 16 mm bores, from 10 mm to 300 mm on the 20 and 25 mm bores.
- Maximum stroke: 500 mm on the 20 and 25 mm bores, beyond the standard range, available as a special version.
- Minimum stroke with pneumatic cushion: 25 mm.
- Standard mass without magnetic sensing: from 43 g on the 8 mm bore to 289 g on the 25 mm bore.
- Standard mass with magnetic sensing: from 46 g on the 8 mm bore to 293 g on the 25 mm bore.
- Additional mass per 10 mm stroke: from 3.0 g on the 8 mm bore to 17.5 g on the 25 mm bore.

Standards :
- ISO 6432: this international standard sets out the overall dimensions and mounting dimensions for single-rod pneumatic cylinders, thereby ensuring interchangeability between cylinders of comparable size from different manufacturers.

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