JIS ZET-B

SpiralFlutedTapsforTitaniumAlloys

Specification

Nitride

Recommended Tapping Speeds depending on Materials

Titanium alloys

5チタン合金10

(m/min) Product Features ●Thetapisproducedfromahighgradepowderhighspeedsteelthatisexcellentforheatresistanceandwearresistance. ●Thecuttingedgegeometryhelpspreventmaterialshrinkage.Thethespiralflutedesignhelpspullthechipsouoftheholeto allowthecuttingheattobecarriedout. ●Appropriatefluteshapefortitaniumalloyisutilizedandtheejectionofthechipsissmooth. ●Anitridesurfacetreatmentisperformedforaddedwearresistance. ●Consideringtheshrinkageoftheinternalscrewthread,thetapisproducedtoamoderateoversizecondition.

Tapping Data Tapping Conditions [M6×1]

Work Piece MaterialTi-6Aℓ-4V
Bored Hole Sizeφ5.0ZET-B
Tapping Length12mmCan Continue
Tapping Speed8m/min
Machiery TypeCNC tapping center lGeneral PurposeSP
Tain FluidWater soluble cuttin fluid
ppgg l0 20 40 6080100
(Number of holes processed)

Characteristics of titanium alloy Itismainlycomposedoftitaniumthathasahighstrengthandislightweight.Ithasexcellentheatresistance.Therearevarious typesoftitaniumalloyssuchasTi-5Aℓ-2.5Sn,Ti-5Ta,andthemostpopularTi-6Aℓ-4Vwhichiscommonlyusedduetoits goodcharacteristics.

Examples of problems in tapping ●Titaniumalloyshavehightemperaturestrengthandthethermaldiffusionissmall,soabruptabrasionoccursonthetap. ●Thespringbackoninternalscrewthreadsmaycausediameterstoshrinkandthetapmaybecrimpedcausingbreakage. ●Chipweldingoccurseasilyonthecuttingchamferofthetapandthethreadsflanksurface.Thefinishedthreadsurfaceofthe internalscrewthreadalsobecomesroughandcoarse.