Festo AG & Co. KG

170918
guided drive
DFM-20-40-P-A-KF
With integrated guide.

The proximity switch, type SMTSO-8E, can be used with this product with stroke lengths of 20 to 40 mm only when the corresponding mounting kit, type SMB-8E, is mounted outwardly.

More detailed information about this product!

Festo Data sheet

CriterionFeature
Centre of gravity distance from working load to yoke plate50 mm
Stroke40 mm
Piston diameter20 mm
Operating mode of drive unitYoke
CushioningP: Flexible cushioning rings/plates at both ends
Assembly positionAny
GuideRecirculating ball bearing guide
Design structureGuide
Position detectionFor proximity sensor
Operating pressure MPa0,2 - 1 MPa
Operating pressure2 - 10 bar
Max. speed0,8 m/s
Mode of operationdouble-acting
Operating mediumCompressed air in accordance with ISO8573-1:2010 [7:4:4]
Note on operating and pilot mediumLubricated operation possible (subsequently required for further operation)
Corrosion resistance classification CRC0 - No corrosion stress
PWIS conformityVDMA24364-B1/B2-L
Ambient temperature-5 - 60 °C
Impact energy in end positions0,2 Nm
Max. force Fy817 N
Max. force Fy static1020 N
Max. force Fz817 N
Max. force Fz static1020 N
Max. torque Mx23,69 Nm
Max. torque Mx static29,58 Nm
Max. torque My15,11 Nm
Max. torque My static18,87 Nm
Max. torque Mz15,11 Nm
Max. torque Mz static18,87 Nm
Max. permissible torque load Mx as a function of the stroke4,64 Nm
Max. useful load as a function of the stroke at defined distance xs108 N
Theoretical force at 0.6 MPa (6 bar, 87 psi), retracting141 N
Theoretical force at 0.6 MPa (6 bar, 87 psi), advance188 N
Moving mass488 g
Product weight981 g
Centre of gravity of the moving mass as a function of the stroke34,6 mm
alternative connectionsSee product drawing
Pneumatic connectionM5
Materials noteFree of copper and PTFE
Conforms to RoHS
Material coverWrought Aluminium alloy
Material sealsNBR
Material housingWrought Aluminium alloy
Material piston rodHigh alloy steel, non-corrosive

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