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Loom Speed & Linear Output

Calculate loom speed (PPM) and production output in meters per minute and meters per hour based on picks per inch (PPI) and optional efficiency.

Loom Speed (PPM)
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Loom Output (meters/min)
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Loom Output (meters/hour)
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Method and formula

Loom Speed (PPM)=Motor RPM×Motor Pulley DiaLoom Pulley DiaOutput (m/min)=(PPMPPI×0.0254)×Efficiency (%)100Output (m/hour)=Output (m/min)×60\begin{aligned} \text{Loom Speed (PPM)} &= \text{Motor RPM} \times \frac{\text{Motor Pulley Dia}}{\text{Loom Pulley Dia}} \\[1em] \text{Output (m/min)} &= \left( \frac{\text{PPM}}{\text{PPI}} \times 0.0254 \right) \times \frac{\text{Efficiency (\%)}}{100} \\[1em] \text{Output (m/hour)} &= \text{Output (m/min)} \times 60 \end{aligned}

Input variables

VariableExpected entry
Motor RPMEnter a positive measured value.
Motor pulley diameterEnter a positive measured value.
Loom pulley diameterEnter a positive measured value.
Picks Per Inch (PPI)Enter a positive measured value.
Efficiency percentage (Optional, default 100%)Enter a positive measured value.

Calculation workflow

  1. Enter the measurements in the displayed units.
  2. Check the selected yarn, fiber, weave, or trade unit where shown.
  3. Review each calculated output and its unit.
  4. Use Copy results to save the displayed values to recent history.

Outputs

  • Loom Speed (PPM)
  • Loom Output (meters/min)
  • Loom Output (meters/hour)