Twist Drill Bit Core Materials
Twist laum khoom tsis yog tsim los ntawm ib qho qub hlau! Lawv yuav tsum muaj ob qho tib si liab hardness (lub peev xwm los tuav hardness ntawm qhov kub thiab txias) thiab hnav tsis kam. Muaj ob hom khoom tseem ceeb:
Siab -Speed Steel (HSS): Muaj cov alloys xws li tungsten thiab molybdenum, haum rau kev ua cov hlau zoo tib yam.
Carbide: Ua los ntawm sintered tungsten carbide hmoov, ua kom yooj yim los tuav cov ntaub ntawv nyuaj xws li stainless hlau.
Cov yam ntxwv ntawm cov khoom sib piv
Ob qho khoom siv no zoo li cov tsev kawm sib txawv ntawm kev ua yeeb yam:
High -Speed Steel: Zoo toughness, tuaj yeem rov kho dua, thiab pheej yig, tab sis qhov kub thiab txias ua haujlwm tsis tshaj 600 degree.
Carbide: Hardness piv rau pob zeb diamond, kub tsis kam mus txog 1000 degree, tab sis nkig thiab yooj yim rau chipping.
Txheej Tshuab: Niaj hnub nimno laum khoom feem ntau muaj titanium txheej rau ntawm qhov chaw, ncua lawv lub neej los ntawm 3-5 zaug.
Xaiv cov khoom zoo kom tsis txhob muaj teeb meem
Xaiv cov khoom siv laum me ntsis raws li cov khoom ua tiav yog txoj hauv kev ntse:
Aluminium alloy / ntoo: Ib txwm siab - steel ceev yog zoo kawg nkaus txaus.
Stainless hlau / cam khwb cia hlau: Cobalt - muaj siab - ceev steel los yog carbide yog pom zoo.
Cov ntaub ntawv sib xyaw: Yuav tsum tau carbide laum cov khoom nrog cov txheej tshwj xeeb.
Kev siv hauv tsev: Kev lag luam siab -ceev steel muaj qhov zoo tshaj plaws rau cov nyiaj.
