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Kub Khoom
hu rau peb
CHAW NYOB:No. 89, Yezhang Txoj Kev, Wuqiao Zej Zog, Nroog Zhuanghang, Fengxian Ib Cheeb Tsam
TEL:021-57407335
E-XA:[email tiv thaiv]
Zinc alloy tuag-casting cov neeg ua haujlwm yuav tsum paub thiab nkag siab cov yam ntxwv ntawm cov ntaub ntawv no, thiab kev tshuaj xyuas thiab kev txhais cov yam ntxwv ntawm zinc alloy feem ntau yog siv.
1. Txheej txheem cej luam ntawm Zinc Alloy
Zinc alloy yog ib qho nyuaj thiab muaj zog, thiab nws yog ib qho zoo tagnrho hloov rau machining, molding, printing,
manufacturing thiab assembling cov ntaub ntawv. Lub rooj qhia cov khoom ntawm zinc alloys.
Txhua cov khoom siv zinc alloy muaj nws cov yam ntxwv tshwj xeeb, yog li xaiv cov khoom zoo tshaj plaws
phim koj cov kev xav tau.
Cov yam ntxwv ntawm zinc alloy:
● nyuaj thiab ruaj khov
● High conductivity
●High kub hloov
● Cov khoom siv raug nqi qis
● Precise thiab ruaj khov peb-dimensionality
● Kev ua tau zoo ntawm phab ntsa nyias
● Kev ua haujlwm txias txias, yooj yim rau kev sib txuas
● Cov khoom tiav tiav
● Super tiv thaiv corrosion
● Ib puag ncig tus phooj ywg, recyclable
Reference index: 1 = siab tshaj index, 5 = lowest index
Ib qho kev tiv thaiv kub kub sib cais.
Lub peev xwm ntawm cov alloy los tiv thaiv lub siab tsim los ntawm kev hloov kub, thermal expansion
thiab contraction.
B yog resistant rau txias tawg thiab deformation.
Lub peev xwm ntawm cov alloys tiv thaiv deformation, tawg, thiab dabtsi yog khoov nyob rau hauv qis kub ib puag ncig.
C machining thiab zoo.
Kev ntsuam xyuas tag nrho ntawm kev txiav, txiav log zog, tiav cov khoom zoo thiab lub neej cuab yeej.
D electroplating ua thiab zoo.
Lub peev xwm ntawm tuag castings txais thiab tswj plating nyob rau hauv ib txwm ua haujlwm.
2. Tuag-cam khwb cia zinc alloy
Cov neeg tsim qauv tsim ib feem yuav tsum coj mus rau hauv tus account cov khoom nkag ntawm zinc alloys
hais hauv qab no. Cov alloys no tiv taus cov dej noo thiab poob siab dua li txhuas
cov hlau
NO.1
No. 2 Zinc Alloy
Zinc Alloy No. 2 tseem hu ua Kirksite. Nws yog lub zog tshaj alloy ntawm tsev neeg no. Txawm li cas los xij,
vim muaj cov ntsiab lus tooj liab siab, nws yuav nrog rau cov yam ntxwv ntawm kev laus lub sijhawm.
Qhov kev hloov pauv no suav nrog qhov nce me ntsis hauv ntim (0.0014 mm / [inin]) tom qab 20 xyoo, nrog rau
txo extensibility thiab sau articulation.
Txawm hais tias zinc alloy No. 2 yog cov khoom siv zoo, nws tsis tshua siv los ntawm cov neeg tsim khoom tuag. Nws muaj
siab dua tus cwj pwm dua li lwm cov zinc alloys, thiab nws khaws cov hardness siab thiab lub zog tom qab
laus.
NO.2
No. 3 Zinc Alloy
Zinc alloy #3 yog cov khoom xaiv rau zinc tuag thiab yog zinc alloy nrov tshaj plaws nyob rau sab qaum teb
Asmeskas. Nws cov khoom sib npaug ntawm lub cev thiab tshuaj lom neeg yog qhov xav tau tshaj plaws, tshwj xeeb tshaj yog
haum rau tuag-casting pwm, nrog ruaj khov peb-dimensional zoo thiab anti-aging, uas yog
vim li cas feem ntau cov pwm siv nws ua raw khoom. Zinc Alloy No. 3 muaj qhov ua tiav zoo thiab tsim nyog rau
plating, painting thiab chromic acid siv. Nws yog tus qauv nruab nrab tuag casting khoom.
Yog tias xav tau cov ntaub ntawv hardness siab dua, lwm hom zinc alloys yuav tsum xav txog.
NO.3
No. 5 Zinc Alloy
Zinc alloy No. 5 yog cov zinc alloy feem ntau siv nyob hauv Europe. Vim yog tooj liab siab dua
cov ntsiab lus, lub hardness yog muaj zog, thiab tom qab poob ib feem ntawm stretch (nruam txuas ntxiv),
lub extensibility yog piv nrog rau No. 3 zinc alloy, thiab nws lub zog yog txhim khu kev qha. Qhov no
txo qhov elongation, nyob rau hauv cov txheej txheem thib ob, yuav cuam tshuam rau cov duab ntawm cov hlau, xws li
khoov, mortise, swaging, crimping, uas yuav tsum tau txiav txim siab los ntawm tus tsim qauv. Vim
kev lag luam feem ntawm No. 3 zinc alloy yog siab heev, cov engineers feem ntau siv No. 3 hloov
ntawm No. 5 thaum ntxiv dag zog rau qhov chaw. Txawm li cas los xij, yog tias koj tab tom ua cov khoom uas xav tau ntau dua
elongation kev ua tau zoo, peb tseem xav kom koj siv No. 5 zinc alloy. Txawm tias lub creep
Indices ntawm zinc alloys No.3 thiab No.5 zoo ib yam, zinc alloy No.5 muaj zog creep
tsis kam, thiab ob hom alloys yog haum rau arc machining. Thaum kub
nce siab tshaj qhov qub ambient kub, thiab muaj tshwj xeeb tsim yuav tsum tau rau
cov qauv bearing muaj peev xwm ntawm qhov chaw, No. 5 zinc alloy yog qhov kev xaiv zoo dua.
NO.4
No. 7 Zinc Alloy
Zinc Alloy No.7 ua raws li kev hloov kho ntawm Zinc Alloy No.3 los txhim kho kev tuag castability, ductility
thiab nto zoo. Feem ntau zinc alloy No. 7 yog siv rau cov khoom siv hlau, thiab thaum lub
kev tsim cov pwm muaj cov kev cai tshwj xeeb rau nws cov kev ua haujlwm tom qab sib dhos, xws li
raws li crimping los yog piling. Muaj zog tuag castability, tab sis kuj haum rau nyias phab ntsa nias.
Qee cov pwm yuav tsum muaj zog tuag-castability, tshwj xeeb tshaj yog qhov nyuaj thiab muag heev, tab sis qhov no
tsis txhais hais tias nws yuav tsum tau tshwj xeeb nias. Qhov tseeb tuag qhov ntev thiab
parameters yog qhov tseem ceeb nyob rau hauv thiaj li yuav zam dhau lub txim thaum lub sij hawm sib cais thiab tangent
txheej txheem. Qhov zoo elongation ntawm No. 7 zinc alloy kuj yog qhov tshwm sim hauv kev tsim khoom
txheej txheem, tab sis nws yog ntau dua reflected nyob rau hauv kev kho thiab sib tsoo ua hauj lwm nyob rau hauv lub thib ob
txheej txheem.
NO.5
ZA-8 zinc alloy
Qhov kwv yees ntawm cov ntsiab lus txhuas feem pua ntawm cov lej ntsuas qhia tau tias ZA-hom
alloys yog cov nplua nuj nyob hauv txhuas ntau dua li Zamak-hom alloys.
Zinc Alloy ZA-8 yog Ameslikas tsim rau kev tuag casting alloys nrog kev ua tiav zoo
thiab plating zoo. Nws yog tshwj xeeb yog siv los ua cov khoom siv kho kom zoo nkauj. Txawm hais tias qhov no alloy tsis yog
zoo li lwm yam alloys rau tuag casting, nws muaj qhov zoo tshaj plaws hardness thiab kuj rau
deformation. Nyob rau hauv cov nqe lus ntawm tshuaj lom neeg kev ua tau zoo, hardness, firmness thiab deformation
tsis kam ntawm ZA-8 zinc alloy muaj zog dua lwm cov kub-smelted zinc alloys. Qhov no yog qhov
tsuas yog ZA alloy uas tuaj yeem siv rau kub chamber tuag casting.
NO.6
ZA-27 zinc alloy
Vim yog cov ntsiab lus ntawm cov aluminium siab ntawm ZA-27 zinc alloy, nws tsuas yog siv tau rau chav txias
tuag casting. Cov alloys no muaj qhov hardness siab tshaj plaws thiab qis tshaj plaws nyob rau hauv ZA tsev neeg.
ZA-27 muaj cov qauv tsim muaj zog tshaj plaws nyob rau hauv qhov kub thiab txias ib puag ncig piv
rau lwm yam kev lag luam zinc alloys. Nws kuj muaj siab load-nqa thiab hnav tsis kam.
NO.7
ACuZinc5 hom zinc alloy
ACuZinc5 hom zinc alloy yog tsim los ntawm General Motors. Vim nws nce tooj liab
cov ntsiab lus thiab txo cov ntsiab lus ntawm aluminium, nws cov firmness thiab tsis kam mus deformation muaj
tau zoo heev. Lub ACuZinc5 hom zinc alloy kuj muaj cov kabmob zoo
muaj peev xwm.
Zinc deformation (elongation nyob rau hauv hnyav hnyav) yog hais txog deformation nyob rau hauv ib tug tej yam
sij hawm thiab siab. Feem ntau muaj peb theem ntawm deformation:
Chav Kawm 1 - Deformation ntawm me me thiab nce qib qis dua
Chav Kawm 2 - Tsis muaj zog tshaj tab sis yuav luag tas li deformation nyob rau hauv siab
Qib 3 - Kev nce ntawm deformation nyob rau hauv kev ntxhov siab, feem ntau ua rau tawg
Qib deformation ntawm zinc alloys yog tus cwj pwm uas tsim curvilinearly nrog lub sijhawm.
Piv txwv li, qhov deformation-rub piv tsis tas li, txawm tias tsis tshua muaj zog, thiab coj tus cwj pwm
sib txawv ntawm lub sijhawm sib txawv, yog li ua rau qhov kev hloov pauv txuas ntxiv no, yog li zinc alloys
tsis muaj ib qho elastic modulus. tus lej. The withstand force (tension range) nyob rau hauv
nruam load yog raws li qhov yuav tsum tau tsim nro ntau yam (extension force feem pua).
Kev ua hauj lwm tus nqi ntawm cov modulus ntawm elasticity thiab ntau yam ntawm lub tensile quab yuam yuav ua tau
tau los ntawm cov duab kos ntawm telescopic deformation test thiab hlau phaj deformation
kuaj ntawm No. 3 alloy ntawm chav tsev kub. Vim tias qhov deformation qhov tseem ceeb rau alloys No. 3 thiab
No. 5 nyob ze, lawv cov duab siv rau ob qho tib si alloys.
Piv txwv li: a. Yog tias qhov nro ntawm qhov kev tsim nro yog 0.2% thiab lub neej ua haujlwm yuav tsum yog 5 xyoos,
qhov nro ntau yog 15.1MPa. b. 100 hnub thiab 20.7MPa nro ua 0.1% deformation
Cov ntaub ntawv no tuaj yeem hloov pauv rau hauv cov qauv engineering, tab sis nws yuav tsum raug sau tseg tias lawv tsuas yog
muaj feem xyuam rau tshwj xeeb bearings nyob rau hauv tshwj xeeb kub ib puag ncig. Lub instantaneous nkhaus sawv cev
qhov tam sim ntawd deformation nyob rau hauv lub siab thov - rov qab mus rau nws qub zoo thaum lub siab yog
tshem tawm. Tag nrho lwm cov kev hloov nkhaus suav nrog tus nqi no ntxiv rau kev nkag mus ua rau tag nrho deformation.
Raws li nrog tag nrho cov alloys, lub siab ntau yam tsis yog tib yam uas ua rau zinc alloys, kev khiav hauj lwm
kub kuj tuaj yeem ua rau cov hlau nkag mus. Lub deformation ntawm thawj theem tsis tshua muaj kev cuam tshuam rau alloy
Tsis yog 3, yog li qhov deformation ntawm qib thib ob tuaj yeem siv los kwv yees qhov kev nthuav dav tag nrho thiab
contraction ntawm alloy, uas yog, deformation ntawm qib peb nyob rau hauv lub sij hawm ntev thiab high-pressure
ib puag ncig. Lub deformation, siab, thiab kub kev sib raug zoo ntawm qib ob ntawm alloys
No.3 thiab No.5 yog qhia nyob rau hauv lawv daim duab, raws li. Nws yuav tsum tau muab sau tseg tias thawj qib creep
kev coj cwj pwm ntawm lwm cov alloys kuj tseem ceeb thiab yuav tsum tsis txhob muab pov tseg.
Zinc alloys raug rau kev laus, tshwj xeeb tshaj yog thaum kub siab. Kev ntsuam xyuas tau pom tias tom qab ob
xyoo, cov hlau yuav txo cov creep elongation los ntawm 16% ntawm chav tsev kub, nyob rau hauv siab siab,
los yog ntawm 75-95 ° C rau peb xyoos. Yog li ntawd, ib qho tseem ceeb ntawm 0.8 yuav tsum tau ntxiv rau lub zog rub tawm.
Muab xam raws li nram no.
Siv cov ntaub ntawv los ntawm Alloy No. 3, qhov nce ntawm 10 ° C ntawm qhov kev pabcuam kub tuaj yeem siv rau
kwv yees tus nqi deformation ntawm Alloy No. 5. Piv txwv li, kwv yees deformation ib puag ncig
ntawm alloy No. 5 yog 10 ° C siab dua li ntawm alloy No. 3.
Cov mis hauv qab no tuaj yeem xam qhov deformation ntawm No.3 thiab ZA8 zinc alloys ntawm
25 ° C thiab 120 ° C:
Hauv cov qauv saum toj no
σ= siab tshaj lub zog (Mpa)
T = Kub (K)
t = ua hauj lwm lub neej (seconds)
n=siab index=3.5
Q = kev ua zog = 106kJ / mol = 106kJ / mol
R = gas tas li = 8.3143x10-3kJ/mol K
C' = tas mus li tau los ntawm cov lus hauv qab no
Hloov qhov tsis tu ncua rau hauv cov qauv
Cov qauv saum toj no tuaj yeem xam qhov ntsuas qhov ntsuas siab, qhov kub thiab txias, lub neej nkag thiab siab Performance index nyob rau hauv 50MPa rau tej yam creep mob nyob rau hauv ntau ntawm 0.2% mus rau 1%.
Qhov degree ntawm creep ntawm feem ntau alloys tsis ruaj khov. Txawm hais tias ob qho piv txwv zoo ib yam tuaj yeem sib txawv vim lawv lub neej nkag mus (kev nthuav dav), yog li txawm tias nws yog cov ntaub ntawv tau txais hauv qhov kev sim lossis cov qauv, ib lossis ob qhov tseem ceeb ntxiv kuj tseem ceeb. Nws yuav tsum raug coj mus rau hauv tus account raws li cov xwm txheej sib txawv.
