Laser vuam pob zeb diamond ncig pom hniav hloov txheej txheej khoom thiab nws cov kev xav tau

Los ntawm kev soj ntsuam theoretical, laser vuam yog ib qho yooj yim kom tau txais lub zog vuam siab. Txawm li cas los xij, hauv kev tsim cov pob zeb diamond pom hniav, vim qhov sib txawv loj ntawm cov khoom ntawm cov txheej txheem hloov pauv (welding txheej) ntawm cov pob zeb diamond hniav thiab cov khoom siv ntawm cov saw hniav, thiab qhov kev ua tau zoo sib txawv ntawm ob kuj tseem loj, qhov vuam ntawm lawv yog cov vuam ntawm cov khoom sib txawv thiab yuav tsum tsim nyog. Tsuas yog los ntawm kev xaiv cov txheej txheem vuam tsis tau thiab nruj me ntsis tswj cov txheej txheem tuaj yeem tau txais lub zog vuam siab. Lub hauv paus khoom ntawm saw hniav feem ntau txiav txim siab. Feem ntau 30CrMo / 28CrMo, 50Mn2V, 65Mn thiab lwm yam khoom siv hlau. Kev tsim cov txheej txheem hloov pauv ntawm cov saw hniav yog tus yuam sij los xyuas kom meej lub laser vuam lub zog ntawm cov saw hniav.

 

Cov khoom siv ntawm cov txheej txheem hloov pauv yuav tsum tsis yog tsuas yog muaj qhov kev ua haujlwm vuam kom ze li sai tau rau cov khoom siv hauv paus, tab sis kuj yuav tsum phim cov matrix ntawm txheej txheej ntawm cov hniav. Feem ntau, cov khoom siv ntawm cov khoom siv hauv paus thiab cov khoom siv ntawm cov txheej txheem ua haujlwm ntawm lub taub hau cutter yog qhov sib txawv heev, yog li nws yog qhov nyuaj heev los tsim cov txheej txheem hloov ntawm cov saw hniav.

Cov yam ntxwv ntawm laser vuam yog: lub tsom laser beam zog ceev yog siab (105 ~ 107W / cm2), lub cua sov tus nqi yog ceev, qhov vuam tus nqi yog ceev, thiab lub tshav kub-mob cheeb tsam me me, tab sis lub laser vuam seam kub. yog siab thiab kub gradient yog loj.

Yog li ntawd, cov kev cai yooj yim rau cov txheej txheem laser vuam hloov pauv yog:

(1) Lub boiling point ntawm txhua yam nyob rau hauv lub hloov txheej yuav tsum zoo ib yam li tiv thaiv weld npuas;

(2) Cov txheej txheem hloov pauv yuav tsum muaj lub zog siab (σmin Ntau dua lossis sib npaug ntawm 6 × 108Pa) thiab zoo toughness los tiv thaiv cov saw hniav los ntawm kev poob cov hniav thaum ua haujlwm;

(3) Kev ua haujlwm sintering ntawm cov txheej txheem hloov pauv thiab cov txheej txheem ua haujlwm yuav tsum zoo sib xws, thiab nyob rau hauv tib lub sijhawm sintering, nws muaj kev sib raug zoo ntawm kev sib raug zoo tom qab sintering (σmin Ntau dua lossis sib npaug ntawm 6 × 108Pa);

(4) Lub thermal expansion coefficient ntawm cov txheej txheem kev hloov pauv thiab cov txheej txheem ua haujlwm yuav tsum zoo sib xws, thiab cov thermal expansion coefficient ntawm cov txheej txheem hloov pauv yuav tsum me ntsis kom tsis txhob tawg ntawm cov txheej txheem hloov pauv thiab txheej txheej ua haujlwm thaum lub sij hawm laser vuam;

(5) Kev ua haujlwm vuam ntawm cov txheej txheem kev hloov pauv thiab cov saw hniav yuav tsum zoo ib yam li qhov ua tau;

(6) Qhov ntau ntawm cov txheej txheem sintering yog dav, uas yooj yim rau kev lag luam nplai ntau lawm.

Feem ntau ntawm cov txheej txheem hloov pauv yog tsim los ntawm tib lub caij Co, Ni, dual lub caij FeCo, FeNi, CoNi, FeCu, lossis FeCoNi peb yam, thiab cov txheej txheem hloov pauv tsis tuaj yeem muaj cov hlau tsis tshua muaj melting point, xws li tin thiab lwm yam khoom, vim hais tias xws li cov ntsiab lus Nws yog ib qho yooj yim rau evaporate thiab gasify thiab tsim pores; Ntxiv ib qho me me ntawm Mn thiab Cr rau cov khoom siv hloov pauv tuaj yeem tsis tsuas yog tsim cov tshuaj tiv thaiv kom muaj zog, nce hnav tsis kam, tab sis kuj txo cov vuam pores. Tam sim no, qee lub tuam txhab txawv teb chaws xws li Dr. Fritsch nyob rau hauv lub teb chaws Yelemees thiab Eurotungstone nyob rau hauv Fabkis tau ua ib tug series ntawm kev ua hauj lwm nyob rau hauv txoj kev loj hlob ntawm kev hloov txheej txheej formula thiab hmoov npaj. Xav txog cov txheej txheem hloov pauv ntawm matrix, lub taub hau txiav, vuam lub zog, qhov zoo ntawm qhov chaw, thiab lwm yam, V 27-589, V6-790, NEXT series thiab lwm cov hmoov ua ntej.