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Micro-V® multi-ribbed belts - Micro-V®

Through its truncated rib design, Gates Micro-V® multiribbed belt ensures an outstanding performance at higher speeds on smaller diameter pulleys. This smooth-running belt provides a power capacity increase up to 80% higher than RMA standards. The Micro-V® size range has recently been extended and comprises more than 125 standard effective lengths covering a multitude of applications.

Identification
Durable yellow marking indicating type and dimension.
Construction
  • Truncated ribs ensure flexibility, reduce heat buildup and improve rib crack resistance.
  • High modulus, low stretch polyester tensile member provides superior resistance to fatigue and shock loads.
  • All elastomeric rubber compound provides oil and heat resistance.
  • Specially formulated fibre reinforced undercord stock improves beltstability.
Advantages
  • Extremely smooth and cool running.
  • Very high power capacity per rib.
  • Improved performance on back idlers.
  • Smaller drive package.
  • Tolerant of pulley groove debris.

Micro-V® belts are available in PJ, PL and PM cross-sections. The figure below shows a cross-sectional view illustrating the nominal belt dimensions — rib width and belt height. All these belts will operate in standard pulleys provided the pulleys are manufactured to the DIN 7867 or ISO 9982 standard for the specific cross-section.

Nominal top width:
bb = Nr x Sg
Where: Nr = number of ribs
Sg = pulley groove spacing

Sections and nominal dimensions

 

Pitch 
Sg
mm

Height
h
b
mm

PJ
PL
PM

2.34
4.70
9.40

3.6
6.4
12.5

 

 
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