Libreng Engineering Tool #089
Timing Belt Calculator
Kalkulahin ang haba ng timing belt sa mga pitch at bilang ng ngipin. Sinusuportahan ang HTD 3/5/8/14 at GT2/GT3/GT5 na mga profile. Ilagay ang ngipin ng pulley, center distance, at pitch.
HTD 3/5/8/14
GT2/GT3/GT5
Synchronous
Results
Haba ng Belt (Bilang ng Ngipin)
—
Haba ng Belt (mm)
—
Drive Ratio
—
Pitch Diameters (d₁ / d₂)
—
Actual Center Distance
—
Pitch Diameter
Haba ng Belt (Bilang ng Ngipin)
Timing Belt Pitch Selection
| Pitch | Profile | Power Range | Min Pulley Teeth |
|---|---|---|---|
| 2 mm | GT2 | Light duty, 3D printers | 12 |
| 3 mm | HTD-3M / GT3 | Up to 5 kW | 12 |
| 5 mm | HTD-5M / GT5 | 2 – 30 kW | 14 |
| 8 mm | HTD-8M | 10 – 100 kW | 22 |
| 14 mm | HTD-14M | 50 – 250+ kW | 28 |
Halimbawa — HTD-5M Belt
Given: z₁=20, z₂=60, pitch=5 mm, C=200 mm
d₁ = 20×5/π = 31.83 mm, d₂ = 60×5/π = 95.49 mm
L_mm = 2×200 + π(31.83+95.49)/2 + (95.49-31.83)²/(4×200) = 400 + 200.0 + 5.1 = 605.1 mm
Belt teeth = 605.1/5 = 121.0 → nearest standard (even) catalogue size: 122 ngipin (610 mm belt), then re-check the actual center distance
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