Simple steps for establishing optimum speeds and feeds. (boring)

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Machining chips that direct the eye like little "c's", chipping noise, and surface
finish are all lock openers to determining the most optimum boring conditions.

In boring operations it is important to obtain unrestrained cutting conditions;
that is to move swiftly the boring bars at the highest possible spe and to
keep the fe rates upon the moderate side. Many times, especially in
new boring applications, little may be known of material characteristics
or machine behavior. Following, in order, are paces to take to optimize
cutting conditions.

1 Preliminary spe selection:

Based upon ...