Poly-V Pulleys PM
Poly-V-Belt Pulleys PM can be used with all poly-v-belts. The pulleys conform to ISO 9982 and DIN 7867.
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Profiles and dimensions:
- PM for belts M/PM with grooves pitch 9,40 mm
Fine grain cast-iron grade 220-260
Surface roughness: ISO 254
Balance quality grade: ISO 1940 - VDI 2060
The pulleys are statically balanced to grade q 6,3. The pulleys with belt speed higher than 30 m/s should be dynamically balanced to grade q 6.3 in 2 planes. The pulleys with the belt speed over 42 m/s must be made of steel St C45 or spherulitic iron GGG40 or other material with higher strength rating.
PM 200-08 TB (2012)
PM - groove dimension, 200 - Dm = diameter, 8 - n=No. of grooves, TB (2012) - Taper bush
Crown width B:
n - No. of grooves
Dimensions in milimetres:
|Profil||e||sum Δemax.||αo||F||ra min||ri max||Dm min|
|PM||9,40 ± 0,08||± 0,30||40 ± 0,5||6,4||0,75||0,75||180|
Other technical data are to be found in the technical documentation.