Lub tog raj kheej taub hau PM Sintered Part

Khoom Taw Qhia

Khoom zoo

Ib hom cav lub tog raj kheej taub hau hmoov metallurgy npaj txoj kev

【Technical teb】

[0001] Tam sim no invention muaj feem xyuam rau lub teb ntawm kev npaj ntawm lub tsheb cav qhov chaw, tshwj xeeb tshaj yog rau cov hmoov metallurgy npaj txoj kev rau lub tog raj kheej taub hau ntawm lub cav.

【Cov txheej txheem hauv qab】

[0002] Hmoov metallurgy yog tsim cov hmoov hlau los yog siv cov hmoov hlau (los yog cov hmoov hlau sib xyaw thiab cov hmoov tsis yog xim hlau) ua cov khoom siv raw, tom qab tsim thiab sintering, los tsim cov khoom siv hlau, cov khoom sib xyaw thiab ntau hom kev lag luam. Tam sim no, hmoov metallurgy thev naus laus zis tau siv dav hauv kev thauj mus los, tshuab, tshuab hluav taws xob, aerospace, riam phom, biology, lub zog tshiab, cov ntaub ntawv thiab kev lag luam nuclear, thiab tau dhau los ua ib lub koom haum tshaj plaws ntawm cov khoom siv science tshiab. Hmoov metallurgy tshuab muaj cov txiaj ntsig zoo xws li kev txuag hluav taws xob tseem ceeb, cov khoom txuag, kev ua haujlwm zoo, cov khoom lag luam siab thiab kev ruaj ntseg zoo, thiab yog qhov tsim nyog rau ntau lawm. Tsis tas li ntawd, qee cov ntaub ntawv thiab cov khoom tsis yooj yim uas tsis tuaj yeem npaj tau los ntawm cov txheej txheem casting thiab cov txheej txheem machining kuj tuaj yeem tsim los ntawm cov hmoov hlau metallurgy, yog li lawv tau nyiam cov kev lag luam.

Hauv kev kos duab ua ntej, kev tsim cov hmoov hlau txais yuav txoj kev txo qis, atomization txoj kev, cov txheej txheem pulverization, electrolysis ntau dua, thiab cov txheej txheem ntawm cov txheej txheem metallurgical no complex thiab loaded nrog cov ntsiab lus tsis tseem ceeb, thiab cov txheej txheem ntau lawm yog qhov nyuaj heev los tswj. , thiab tsim cov hmoov hlau hauv kev tsim khoom Cov kev ua tau zoo tsis yog siab, qhov purity ntawm cov hmoov hlau ua tau tsawg, thiab muaj ntau cov hlau tsis huv xws li tooj liab thiab molybdenum hauv nws. Cov hlau tsis muaj nuj nqis uas muaj nyob rau hauv cov hmoov hlau tsis tuaj yeem siv tsis tau, thiab cov hmoov hlau nrog cov hlau txo qis tseem tau txais. kev ua tau zoo, thiab tus nqi ntawm cov txheej txheem metallurgical hauv kev kos duab ua ntej yog qhov siab.

【Cov ntsiab lus ntawm invention】

Cov ntsiab lus ntawm invention Rau cov teeb meem saum toj no, lub hom phiaj ntawm qhov kev tsim kho no yog los muab ib hom cav lub tog raj kheej taub hau hmoov metallurgy npaj txoj kev, hmoov metallurgy txoj kev tuaj yeem lav qhov tseeb thiab qhov sib xws ntawm cov khoom sib xyaw ua ke, tuaj yeem txo nqi ntau lawm.

Technical scheme ntawm tam sim no invention yog raws li nram no:

Ib hom lub tog raj kheej taub hau hmoov metallurgy npaj txoj kev rau lub cav muaj xws li cov kauj ruam ua haujlwm hauv qab no:

1), raw khoom yog npaj, yog tsim los ntawm raw cov ntaub ntawv ntawm qhov hnyav nram qab no: hlau hmoov 84-86, tooj liab hmoov 2.2-3.3, graphene 0.{{6 }}.7, zinc stearate 3.3-3.5, txhuas hmoov 0. nitride 0 4-0.6, Mg⑶ 31. 28}}.4, carbon hmoov {{30}}.1-0.12, zirconium dioxide 0.3-0.6, dispersant 2.5-3;

2), cov ntaub ntawv raw cov ntaub ntawv saum toj no tau muab tso rau hauv pwm, cov khoom siv raw hmoov sib tov thiab sib tov sib npaug tom qab 50-55 feeb ntawm 55-60 degree, nyob rau hauv lub siab ntawm 60-65MPa, nias rau hauv qhov khoob ntawm cov duab preset rau kev siv tom ntej;

3), sintering 2.5 ~ 3.5h nyob rau hauv lub tshuab nqus tsev sintering rauv, nqus tsev kawm ntawv qib -0.18 ~ 0.23Pa, sintering rauv kub 1000 DEG C ~ 1050 DEG C, yuav ua kom sov txog li {{11} } nrog 12-15 DEG C / feeb tus nqi Sinter ntawm 1000 degree rau 2-2.2 teev, tom qab ntawd txias mus rau 500-530 degree ntawm tus nqi ntawm 5-7 degree / min thiab khaws cia sov rau 1-1.5 teev, thiab thaum kawg xa cov compact mus rau 100-120 degree kom txias rau 50 -60 feeb;

4), nyob rau hauv kev kho cua sov kauj ruam, txais yuav kub kho cua sov rau cua sov, cua sov kub 650 degree ± 10 degree, thaum tshav kub kub kho lub sij hawm 1 ~ 1.4 teev, ces nkag mus rau roj tank thiab hluav taws kub, roj kub 70-90 degree, xa tom qab txias Muab tso rau hauv lub qhov cub kub thiab kub rau 2 ~ 2.2 teev, qhov kub thiab txias yog 250 degree ± 10 degree, thiab tom qab ntawd xa cov khoom tawm kom tau txais.

Ua cov kauj ruam kho saum npoo tom qab piav qhia txog kev kho cua sov, tus neeg sawv cev carburizing raug xa mus rau hauv qhov cub carburizing, hauv 1120-1200 DEG C kub ntau, kev kho carburizing 110-130min.

Cov txiaj ntsig zoo ntawm qhov kev tsim kho tam sim no:

1, vim hais tias hmoov metallurgy txheej txheem tsis yaj cov khoom hauv cov txheej txheem tsim khoom, kuj tsuas yog ntshai ntawm kev sib xyaw nrog cov impurity uas coj los ntawm crucible thiab deoxidizer thiab lwm yam, thiab sintering feem ntau yog nqa tawm hauv lub tshuab nqus tsev thiab txo qhov cua, tsis ntshai ntawm oxidation, kuj Nws yuav tsis muaj kuab paug rau cov khoom, yog li nws muaj peev xwm tsim cov ntaub ntawv siab-purity; 2. Cov hmoov metallurgy txoj kev tuaj yeem ua kom qhov tseeb thiab qhov sib xws ntawm cov khoom sib xyaw ua ke; 3. hmoov metallurgy yog tsim los tsim cov khoom uas muaj cov duab zoo ib yam thiab muaj coob tus. Tshwj xeeb tshaj yog rau cov khoom uas muaj cov duab nyuaj thiab cov nqi ua haujlwm siab, cov nqi tsim khoom tuaj yeem txo qis los ntawm cov hmoov metallurgy.
 

【Txoj kev nthuav dav】

Embodiment Hauv qab no ua ke nrog cov embodiment tshwj xeeb, ntxiv rau qhov tam sim no invention, yuav tsum to taub hais tias cov embodiments tsuas yog rau kev piav qhia txog lub invention tam sim no.

Ib hom lub tog raj kheej taub hau hmoov metallurgy npaj txoj kev rau lub cav muaj xws li cov kauj ruam ua haujlwm hauv qab no:

1), raw khoom yog npaj, yog tsim los ntawm raw cov ntaub ntawv ntawm qhov hnyav nram qab no: hlau hmoov 84-86, tooj liab hmoov 2.2-3.3, graphene 0.{{6 }}

{{0}}.7, zinc stearate 3. 9}}.5, silicon nitride 0 4-0.6, Mg⑶ 31. {24}}.2-0.4, carbon hmoov 0.1 -0.12, zirconium dioxide 0.

2), cov ntaub ntawv raw cov ntaub ntawv saum toj no tau muab tso rau hauv pwm, cov khoom siv raw hmoov sib tov thiab nplawm tom qab 50-55 feeb ntawm 55-60 degree, nyob rau hauv lub siab ntawm 60-65MPa, nias rau hauv lub dawb paug ntawm cov duab preset rau kev siv tom ntej;

3), nyob rau hauv lub tshuab nqus tsev sintering rauv, sintering 2.5 ~ 3.51 l, nqus tsev kawm ntawv -0.18 ~ -0.23 degree C, sintering rauv kub 1000 degree (3 ~ 1050 degree C, nrog {{12] } } degree C / feeb tus nqi ua kom sov txog 930 Sinter ntawm -1000 degree rau 2-2.2 teev, tom qab ntawd txias ntawm tus nqi ntawm 5-7 degree / min rau {{18} } degree thiab tuav rau 1-1.5 teev, thiab thaum kawg xa cov compact mus rau 100-120 degree kom txias 50-60 feeb;

4), nyob rau hauv kev kho cua sov kauj ruam, txais yuav kub kho cua sov rau cua sov, cua sov kub 650 degree ± 10 degree, thaum tshav kub kub kho lub sij hawm 1 ~ 1.4 teev, ces nkag mus rau roj tank thiab hluav taws kub, roj kub 70-90 degree, xa tom qab txias Temper nyob rau hauv lub cub tawg rau 2 mus rau 2.2 teev, qhov kub thiab txias yog 250 ° C ± 10 ° C, tom qab kev kho cua sov, cov kauj ruam kho saum npoo yog nqa tawm, thiab tus neeg sawv cev carburizing raug xa mus rau hauv qhov cub carburizing, nyob rau hauv qhov kub thiab txias. ntau ntawm 1120 ~ 1200 degree C Carburizing kho rau 110 ~ 130min, thiab tom qab ntawd xa tawm cov khoom.

Raws li cov khoom siv lub tog raj kheej lub taub hau uas tam sim no invention ua, cov ntaub ntawv sim yog raws li nram no:

Tensile lub zog ob (MPa): > 1020, tawm lub zog Os (MPa): 2950, ​​elongation δ5 (%) : > 11.5, txo qhov chaw quab yuam (%) : 245.6, cuam tshuam fais fab δ1 ^(1): {{9} }.2, cuam tshuam toughness tus nqi €[1^(1/0112):{14}}.

【Sovereignty khoom】

1. Lub tog raj kheej lub taub hau hmoov metallurgy npaj txoj kev rau lub cav, yog tus cwj pwm hauv qhov ntawd: suav nrog cov kauj ruam ua haujlwm hauv qab no: 1), kev npaj cov khoom siv raw, yog tsim los ntawm cov khoom siv raw ntawm qhov hnyav hauv qab no: hlau hmoov 84-86, tooj liab hmoov 2.2-3.3, graphite Alkene 0.4-0.7, zinc stearate 3. }.5-1.2, tantalum carbide 0. 2-1.5, Al2O3I.2-1.4, Co0. dioxide 0.3-0.6, dispersant 2.5-3; 2), cov ntaub ntawv raw cov ntaub ntawv saum toj no tau muab tso rau hauv pwm, cov khoom siv raw hmoov sib tov thiab nplawm tom qab 50-55 feeb ntawm 55-60 degree, tom qab 60 3) Sinter hauv lub tshuab nqus tsev sintering rau 2.5 ~ 3.5h, nqus tsev kawm ntawv -0.18 ~ 0.23Pa, sintering rauv kub 1000 degree ~ 1050 degree, nrog 12-15 degree / min tus nqi cua sov rau 930-1000 degree rau sintering rau {{ 56}}.2 teev, tom qab ntawd txias rau 500-530 degree ntawm tus nqi ntawm 5-7 degree (3/min) rau 1-1.5 teev, thiab thaum kawg Lub compact xa mus rau {{ 63}} degree kom txias rau 50-60 feeb; 4), nyob rau hauv cov txheej txheem kev kho cua sov, siv lub qhov cub kho cua sov kom sov, qhov cua sov yog 650 degree ± 10 degree, thiab lub sij hawm kho cua sov yog 1 ~ 1.4 teev, ces nkag mus rau lub tank roj Haggard hluav taws kub, roj kub yog 70-90 degree, tom qab txias, xa mus rau lub qhov cub tempering rau tempering rau 2 mus rau 2.2 teev, tempering kub yog 250 degree ± 10 degree, thiab ces xa cov khoom tawm mus npaj. 2. lub tog raj kheej taub hau hmoov metallurgy npaj txoj kev rau lub cav raws li daim ntawv thov 1, yog tus cwj pwm nyob rau hauv hais tias: nqa tawm kev kho deg kauj ruam tom qab piav qhia tempering kev kho mob, carburizing tus neeg saib xyuas yog xa mus rau hauv carburizing rauv, ntawm 1120 ~ 1200 degree Carburizing kev kho mob nyob rau hauv lub kub ntau yam 110-130 hli

【Patent Abstract】 Cov khoom tsim tam sim no nthuav tawm cov hmoov metallurgy kev npaj rau lub tog raj kheej lub taub hau, uas suav nrog cov kauj ruam hauv qab no: cov khoom siv raw, uas muaj cov khoom siv raw hauv qab no hauv qhov hnyav: hlau hmoov {{0} }, tooj liab hmoov 2.2-3.3, graphene {{10}}}4-0.7, zinc stearate 3. 16}}. {32}}}}.5, Al2O31. .6, dispersant 2.5-3. Lub tog raj kheej lub taub hau ntawm lub invention muaj zoo heev mechanical zog, thiab cov hmoov hlau metallurgy txoj kev yuav xyuas kom meej qhov tseeb thiab uniformity ntawm tis piv ntawm cov khoom xyaw, thiab yuav txo tau tus nqi ntau lawm.

Hlau Txhaj Moulding txheej txheem

Detection Systems