Libreng Kagamitan sa Inhinyeriya #088

V-Belt Selection Calculator

Select V-belt cross-section and calculate the number of belts needed. Belt profiles per ISO 4184; power ratings based on typical manufacturer catalogue data. Enter power, speed, service factor, and pulley diameter.

ISO 4184 profiles Z/A/B/C/D SPZ/SPA/SPB/SPC
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Bilang ng Mga Correa na Kinakailangan
Design Power (Pd)
Kapangyarihan Bawat Belt (Pb)
Inirerekomendang Profile
Belt Speed

Design Power

Bilang ng mga Correa

Kung saan ang C₁ ay wrap angle factor, ang C₃ ay belt length factor, at ang Pb ay ang pangunahing power rating bawat belt.

V-Belt Cross-Section Selection Guide

ProfileTypeTop WidthSaklaw ng Kapangyarihan (tipikal)Min Pulley ⌀
ZClassical10 mm0.2 – 4 kW50 mm
AClassical13 mm0.5 – 15 kW75 mm
BClassical17 mm2 – 55 kW125 mm
CClassical22 mm10 – 150 kW200 mm
DClassical32 mm40 – 500 kW355 mm
SPZNarrow9.7 mm0.5 – 8 kW63 mm
SPANarrow12.7 mm1.5 – 30 kW90 mm
SPBNarrow16.3 mm5 – 80 kW140 mm
SPCNarrow22 mm20 – 250 kW224 mm

Tip: Ang mga narrow V-belt (SPZ, SPA, SPB, SPC) ay nag-aalok ng 30–50% na mas mataas na kapasidad ng kapangyarihan bawat belt kaysa sa mga klasikal na seksyon at inirerekomenda para sa mga bagong disenyo.

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Belt profiles per ISO 4184; power ratings based on typical manufacturer catalogue data. Last updated: February 2025

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