Historical trends via Canary Labs and Axiom trending.  The extruder is running great since the retrofit.  Shown in the chart are two independent sources for extruder speed.  Percent current is also displayed which is proportional to extruder pressure.  The characteristic sawtooth wave of the two gravimetric feeders is also shown.  The key metric is melt flow index but the value can only be obtained at twenty minute intervals due to limitations in the lab process.