Machining Inches per Tooth

on . Posted in Welding Engineering

Machining inches per tooth, abbreviated as IPT, is the amount of material removed by each cutting edge of a tool (such as a milling cutter or a lathe tool) during one revolution of the tool.  IPT helps determine the efficiency of material removal and affects factors such as cutting forces, tool life, and surface finish. 

 

Machining Inches Per Tooth formula

\( IPT =  ( IPM \;/\; RPM )  \;/\; FL  \)
Symbol English Metric
\( IPT \) = inches per tooth (chipload) (feed rate) \(in\;/\;tooth\)  
\( IPM \) = inches per minute (feed rate) \(in\;/\;min\)   
\( RPM \) = revolutions per minute \(rev\;/\;min\)  
\( FL \) = number of flutes (teeth) \(dimensionless\)

 

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Tags: Machining