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HELICAL INTERPOLATION REVIEW

Introduction
Space
Feed Rate-Circular Interpolation
Space
Circular or Ramp Approach
Space
Helical Interpolation Review
Space
Thread Milling Using Circular and Helical Interpolation
Space
Feeds & Speeds
Space
Milling NPT Threads
Space
Thread Mill Product Notes

HELICAL INTERPOLATION REVIEW
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Three pieces of information are required in a helical block: the definitions of the center of the arc, the lead, and the end point of the arc. Two of the addresses I, J or K are used to define X, Y or Z dimensions of the center of the arc. The third I, J or K address is the lead along the cylinder axis in inches per radian (2 radians = 360). The end point of the arc is defined by X, Y, Z. If X, Y, Z, I, J or K value does not change from the previous block it need not be programmed.
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