Txhais kev nyuaj tig
The so-called hard turning usually refers to the turning of haggard hard steel as a process method for final machining or finishing, in order to avoid the grinding technology commonly used at present. Hardened steel usually refers to the workpiece material with martensitic structure after quenching, high hardness, high strength, and almost no plasticity. When the hardness of hardened steel is >55HRC, nws lub zog sb yog li ntawm 2100-2600N/mm2. Feem ntau, lub workpiece tau roughed ua ntej kev kho cua sov thiab hardened, thiab tsuas yog tiav yog nqa tawm nyob rau hauv lub hardened xeev. Kev sib tsoo zoo yog cov cuab yeej siv ntau tshaj plaws rau kev ua tiav, tab sis nws txoj kev ua haujlwm nqaim, kev nqis peev loj, kev tsim khoom tsawg, thiab kev ua qias tuaj ib puag ncig yooj yim tau ua rau muaj kev lag luam thiab ua haujlwm zoo ntawm cov hlau tawv. Nrog rau txoj kev loj hlob ntawm kev siv tshuab, nws tau dhau los ua nyuaj tig los hloov kev sib tsoo, thiab nws tau ua tiav cov txiaj ntsig zoo hauv kev tsim khoom. Tam sim no, polycrystalline cubic boron nitride (PCBN) cov cuab yeej, cov cuab yeej ceramic lossis coated carbide cov cuab yeej siv los tshuab cov hlau tawv (55 ~ 65HRC) ntawm cov tshuab dhos lossis cov chaw xa khoom, thiab qhov tseeb machining tuaj yeem ncav cuag 5 ~ 10&micr 0;m, lub hauv paus txhais tau tias square tus nqi ntawm qhov chaw roughness tsawg dua 20&micr0;m ntawm qhov nruab nrab.
High ua efficiency
Hard tig muaj kev ua haujlwm siab dua li kev sib tsoo, thiab nws lub zog siv yog 1/5 ntawm qhov sib tsoo zoo tib yam. Hard tig feem ntau txais yuav loj txiav qhov tob thiab siab workpiece ceev, thiab nws cov hlau tshem tawm tus nqi feem ntau yog 3 mus rau 4 npaug ntawm kev sib tsoo. Hauv kev tig, ntau yam kev ua haujlwm saum npoo av (xws li lub voj voog sab nrauv, lub qhov sab hauv, thiab zawj, thiab lwm yam) tuaj yeem ua tiav hauv ib qho clamping, thaum sib tsoo yuav tsum muaj ntau qhov kev teeb tsa. Yog li ntawd, lub sij hawm pab yog luv luv thiab txoj hauj lwm raug ntawm cov machined nto yog siab.