Maitiro ekugadzira uye maitiro ekupisa-yakatenderedza ribbed simbi bara
Background maitiro:
MuRobar Rebar musika, HRB400E account yezve zvimwe. Iyo microalloy inosimbisa nzira ndiyo nzira huru yekugadzira HRB400E iri munyika. Iyo microotalloy inonyanya kuvanamuumi vhiya Nekuda kwekushaikwa kwemamineral zviwanikwa zvine unadium uye niobium, iyo yekugovera izvi zvinhu zvekupa zvakasimba. Naizvozvo, kana iyo alloy yezvinyorwa zveHRb400400E STEL Bar inogona kuderedzwa, ichabereka hombe hupfumi uye hwemagariro.
Mune tekinoroji iripo
Chinese patent cn104357741a inoburitsa mhando yeHRB400400400400400400400400400400400 Kuburikidza Nenzira, Chigadzirwa chakapera chinogadzirwa nekudzikisira chigayo, icho chinogona kuve nechokwadi chekuti kupedzisa simbi yakatemwa kwe730 ~ 760 pasina kuderedza kuronga milli. Chinese Patent CN11018451414A inoburitsa nzira yekugadzirira yeWire Wire φ6mm ~ hrb400400400e coilrew screw. Nerubatsiro rwevakasimba kupisa kugona kwemidziyo, kupisa kwakadzika kunotanga kubva mukudziya kwekudziya, uye kugadzirwa pasina microlloying kunoonekwa. Iko kukanganisa kwenzira iyi ndeyekuti izvo zvinodiwa kuti uwedzere simba uye kuita kwemotokari kweiyo yakaoma uye yepakati mutsara wekutora, iyo inoderedza hupenyu hwekuedza kwemidziyo uye inowedzera mutengo wekugadzirisa we Zvishandiso, uye Simba rechibereko reWire Wire Wire φ6mm ~ HRB400E coil yakagadzirwa nenzira iyi inowedzera. Isina kukwana huwandu, zvakaoma kuvimbisa chiyero chekuita kwekuita.
Technical inonyora zvinhu:
Iyo iripo inoveneswa inovavarira kupa nzira yekugadzira nzira inopisa-yakamonera mabhegi ekupisa, ~10mm ~ mutengo.
Tekinoroji chirongwa chekugadzirwa kwazvino:
The production method of hot-rolled ribbed steel bar, the specification of ribbed steel wire rod is φ8~φ10mm, and the technological process includes heating – billeting – rough rolling – medium rolling – cooling – pre-finishing – cooling – finishing – cooling – Spinning - Mhepo-yakatonhorera roller tafura-coil kuunganidza-inononoka kutonhora; Iyo yemakemikari enziyo masimbi ezimbi ndeye c = 0,20% ~ 0.25%, mn = 1.40,040%, v = 0.015% ~ 0.020% ~ 0.020% ~ 0.020% ~ 0.020% ~ 0.020% iyo yakasara ndeye fele uye isingadzivisiki yakasviba zvinhu; Matanho akakosha ekugadzirisa anosanganisira: tembiricha yemavara ndeye 1070 ~ 1130 ℃, iyo yekudzikisira kupisa ndeye 970 ℃, uye kupedzisa tembiricha inosvika 840 ~ 1000 ℃. 880 ℃; kuseta tembiricha 845 ~ 875 ℃; Yekupedzisira kupisa kupisa iri pazasi pekudzokorora kupisa tembiricha yeAustenite Zone; Kukurumidza Kutonhorera naFan pane Air-Colded Roller Tafura, Mhepo Vhoriyamu ndeye 100%; Tembiricha yeVhavha ndeye 640 ~ 660 ℃, tembiricha yeiyo his yekuchengetedza yekuchengetedza ndeye 600 ~ 620 ℃, uye iyo nguva iri mukushisa yekuchengetedza chifukidziro ndeye 45 ~ 55s.
Iyo nheyo yezvakagadzirwa: Mune tembiricha ye840-880 ℃, maAustenite eAusten anokandwa nekudzikisira deformation, asi recorsellization haina kuitika. Nekudaro, mabhendi ekusvibisa anogadzirwa muAustenite zviyo, uye magumo ezvikwata zvekushanduka kazhinji pamiganhu yezviyo, uye kune zvakare mabhendi ane miganho yekuparadza zviyo zvekupatsanurana. Munguva yekushandurwa kubva kuAustenite kuenda kuFernite, vese vaAustenite miganhu yezviyo uye nzvimbo inooneka yezviyo gadziriso yekuita seyisingachinjika nzvimbo yekupererwa. Tembiricha yakaderera ichipenya muyenyenzi inobvisa mutoro wekutenderera wekunyura uye wepakati kutenderera mill uye pre-kupedzisa mamirimita uye inowedzera hupenyu hwebasa remidziyo.
Mhedzisiro inobatsira yekugadzirwa iri seinotevera: Nekuwedzera huwandu hushoma hwekusimbisa microally, v uye c fomu dzinotakurisa, iyo yakagadzirirwa panguva yekutonhorera mushure mekutenderera, uye kutamba basa rekusimbisa kusimbisa . Iyo inopisa-inopisa yeaya yechigadzirwa ine Simba reSimba re600-700mpa, Simba rezvikwereti zve420-500mpa, uye Agt> 10%, inovimbisa mari yakakwana. Simba rakabiwa rakasimba, uye huwandu hwekuita hwakakodzera hwuri pamusoro 99%. Iko kugadzirwa kwehunyanzvi kunogadzirisa dambudziko rekuti twist rolling
Nzira Dzakadzama
Zviri mukati meiyo chigadzirwa chazvino chinowanikwa chakarondedzerwa pazasi mune conjunction ine embodilimes.
Iyo nzira yekugadzira yeboka reWire Wire Wire wire ~8mm ~ φ10mrb400e yakabikwa sanesi. Maitiro ekutsvedza ari: Kunobuda kupisa: 1080 ~ 1120 ℃, achipedza kupedza kuhukura tembiricha: 850 ℃, Spinning Tembiricha: 850 ~ 870 Kupisa 640 ~ 660 ℃, 600 ~ 620 ℃ Kubuda muHOPS yekuchengetedza chengetedzo, iyo nguva yekupfura yekuchengetedza yekuchengetedza ndeye 45 ~ 55s, uye inotonhorera nenzira yachena. Kuumbwa kwemakemikari weWire yeWire yeiyo chigadzirwa chekugadzira chinoratidzwa muTafura 1, uye zvigadzirwa zveWire ter
Chemical kuumbwa (WT%) yeWire tsvimbo yemuenzaniso weTafura
Tafura 2 Mechancal Properties yeMuenzaniso Wire Rods
Simba rekodhi reWire Wire Wire ~ 10mm ~ Perari. , kugadzikana kwekuita, simba rakaringana simba uye jigt margin, kubudirira kwechiitiko ichi chakakosha kuderedza mari yekugadzira uye kuwedzera kwemutsara
Zvimiro zvehunyanzvi:
1. Iyo nzira yekugadzira yeanopisa-roled ribbed simbi bar, iyo wire stifiti is φşm ~ - Mhepo inotonhora roller tafura-yekuunganidza coil-inononoka kutonhora, inoratidzwa mune iyo: Iyo yemakemikari misa yeiyo c = 0.20% ~ 0.25% ~ 0.50% 0.045%, s≤0.408%, v = 0.015% ~ 0.020%, zvimwe zvasara zvinhu zvisingadzivirirwe; Matanho akakosha matanho anosanganisira: Tembiricha iri 1070 ° ° ° C, iyo pre-kupedzisa tembiricha ndeye 970 ° C, uye kutenderera kwekuparadza kunoitwa. Tembiricha iri 840 ~ 880 ℃; tembiricha yekupisa ndeye 845 ~ 875 ℃; Iyo yekupedzisira yekudziya kupisa iri pazasi pekudzokorora tembiricha yeAustenite Zone; Iyo yakakurumidza kutonhorerwa ne fan pamhepo-yakatonhorera roller tafura, uye iyo mhepo vhoriyamu ndeye 100%; Tafura ye roller inokanganiswa nekuvhara chifukidziro chekuvhara
Technical Summary
Iyo nzira yekugadzira yeiyo inopisa-yakatenderera mbichana bar, iyo Spring Steel Hot . Iyo nzira yekutsvedza ndiyo: tembiri remavara ndeye 1070 ~ 1130 ℃, uye pre-kupedzisa kunoitwa. Tembiricha yekudziya iri 970 ~ 1000 ℃, kupedzisa kupisa kupisa is 840 ~ 880 ℃; tembiricha yekupisa ndeye 845 ~ 875 ℃; Iyo yekupedzisira yekudziya tembiricha iri pazasi pekudzokorora tembiricha yedunhu reAustenite; %; Mushure mekuvhara chifukidziro chehunhu, tembiricha yekupinda muchivanze cheInstipulation ndeye 640 ~ ℃, uye tembiricha yekuvhara Nekuwedzera shoma shoma yeV Alloy uye kupedza kutenderera pakudziya kwakadzika, kugadzirwa kusingaoneki kushanda kwakasimba kwemidziyo, asi zvakare inoderedza izvo zvemukati zvemari uye mutengo.
Kutumira Nguva: Aug-30-2022