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TYMA CZ
belts and
transmission systems
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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

  •  custom-made only
Application:

- PM for belts M/PM with grooves pitch 9,40 mm

Material:
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.

Product code:
PM 200-08 TB (2012)

PM - groove dimension, 200 - Dm = diameter, 8 - n=No. of grooves, TB (2012) - Taper bush


Crown width B:
B=e(n-1)+2F
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.

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