GTi- SYSTEM Indexable Insert Threading

DC18 GTi-SYSTEMI ndexable Insert ThreadingHelix angle calculationPositive AnvilsNegative AnvilsInsert sizeTool typeThread Helix AngleThread Helix AngleSTANDARD0 - 1 1 -2 2 -3 3 -4 4 -5 0 -1 1 -2 163/8 EX RH/ IN LH AE16+ AE16AE16+ AE16+ AE16+ RH / EX LH AI16+ + AI16+ AI16+ EX RH / IN LH AE22+ AE22AE22+ AE22+ AE22+ RH / EX LH AI22+ + AI22+ A122+ UEX RH / IN LH AE22U+ AE22U AE22U+ AE22U+ AE22U+ RH / EX LH AI22U+ AI22 UAI22U+ AI22U+ A122U+ EX RH / IN LH AE27+ AE27AE27+ AE27+ AE27+ RH / EX LH AI27+ + AI27+ AI27+ UEX RH / IN LH AE27U+ AE27AE27U+ AE27U+ AE27U+ RH / EX LH AI27U+ AI27AI27U+ AI27U+ AI27U+ calculate helix angle for a given threadTan = Lead x D(for single start threads, lead equals pitch)(for multi-start threads, lead equals pitch x no of starts)Although effective thread diameter is the preferred diameter to use inhelix calculations, the actual thread diameter is generally used as it is easier to obtain and gives a close approximationPremier toolholder pockets are manufactured with a helix angle, and on toolholders that utilise an anvil, this helix angle can bechanged to suit the thread by changing the anvil accordingly.

DC18 GTi-™SYSTEM Indexable Insert Threading Helix angle calculation Positive Anvils Negative Anvils Insert size Tool type Thread Helix Angle Thread Helix Angle STANDARD 0º - …

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