Gauge Change RPM Calculator (Line 31 / Line 33)

Line

Line 33 split

A 8% • B 84% • C 8%

Current Gauge

Current B RPM

Target Gauge

Round New RPM to

Compensate for line speed change (FPM) × (Speed_new/Speed_cur)

Current Speed (FPM)

New Speed (FPM)

Compensate for extruder % changes (A/C/D/E as % of B RPM) × (Factor_cur/Factor_new)

Extruder % of B (Current Job)

A %

C %

D %

E %

Extruder % of B (Next Job)

A %

C %

D %

E %

B is assumed 100%. “Factor” proxy: F = 1 + A% + C% + D% + E% (all ÷ 100). Line 33 forces A/C=8 and D/E=0.

Base: RPM_new = RPM_cur × (Gauge_new/Gauge_cur). Options apply multipliers for speed and % changes.

Gauge Ratio (New / Current)

—

unitless

Speed Ratio (New / Current)

—

unitless

Extruder Factor (Cur → New)

—

F_cur / F_new applied if enabled

New B RPM

—

RPM

RPM Change

—

RPM

RPM % of Current

—

Implied A RPM (Line 33)

—

RPM (A% of B)

Implied C RPM (Line 33)

—

RPM (C% of B)

Enter current job and next job, then calculate.