Nyob rau KPT, peb tau kawm tias yuav tsum saib xyuas kom meej meej rau cov duab, xaiv cov khoom thiab kev ua haujlwm nyiaj nyim yog li cas los txawv mus rau cov khoom siv zoo dua. Tsis yog tshuaj xyuas tag nrho cov duab nrog lub teeb pom kev—nws yog kev tswj xyuas kom txhua lub duab muaj tsheej zoo txaus ua ntej khiav rau hauv kev press thiab tshuaj tso kluav looj. Txhua yam ntawd yuav pab qhov tsis muaj rau siab cov khoom siv tiav zoo ib yam thiab tshaib, thiab muaj tsheej luaj txaub xws li koj tsis matter yog koj tsim ib lossis ob plarntau.
Yuav mus txhawv cov khoom siv Powder Metallurgy zoo los siv rau cov khoom siv uas tau sintered ib yam?
Koj mus nug rau cov duab zoo li koj mus nug tes. Tsis yog tag nrho cov duab muaj qhov zoo npaum li, thiab qhov txawv no tuaj yeem cuam tshuam rau qhov zoo ntawm koj qhov kev tswj hmoob los yog qhov ntsuam ntxh ntsuam cov khoom siv. Nyob rau KPT, peb paub tseeb txog qhov tseem ceeb ntawm kev sau nyiag powders los ntawm cov chaw muag uas muaj neeg paub meej. Cov powders yuav tsum: clean, muaj lub hauv paus zoo ib yam, thiab tsis muaj cheeb khees. Vim li cas? Vim tias thaum cov particle hauv cov powder muaj plaub, sib txawv hauv qhov loj, lossis muaj cheeb khees tsis xav tau hauv, cov khoom siv tuaj yeem ploj lossis muaj qhov ntxoov ntxooj tom qab sintering. Hauv sab hauv ntawm cov microscope, peb saib cov powders ntau ntau kom pom tias lawv muaj qhov loj thiab duab ci.
Vim li cas qhov microstructure tshwm sim ib yam yog qhov tseem ceeb rau sintered parts uas siv ntev hauv qhov muaj zauv loj?
Xav tias koj tab tom tsim kho rau ob hundred lossis ob thousand sintered parts. Yog hais tias ib qho part tsis zoo ib yam hauv plhaub, lawv yuav tsis txawj npaum li ib yam hauv mashine lossis khoom siv. Hauv plhaub ntawm ib cub hmoov thiab metal sib xaiv daim, qhov chaw ntawm daim ntawv — yog li cas cov kab ntsug thiab cov rooj zaum raug xa mus ib leeg — yuav tshuaj txog nws siab thiab sij hawm nyob. Nyob rau KPT, peb tau pom tias thaum chaw ntawv hlo li, cov daim yuav khaiv npeev, zoo li npir ntev lossis tsis tuaj ntxwv nyob rau hauv kev puag ncig siab. Yog ib qho teeb meem loj, tshpecially rau cov khoom muab ntau uas cov neeg siv khoom yuav xav tias txhua daim yuav tsum muaj zog txaus. Chaw ntawv sib piv yog qhov uas muaj kev sib xws hauv density thiab size ntawm txhua kab ntsug, yog li lawv muaj kev sib xws hauv kev siab thiab kev nyob. Qhov twg muaj cov rooj zaum loj los yog kab ntsug tsis sib xws nyob rau qhov twg, qhov ntawd yuav ua rau qhov chaw no phom.
Chaw ntawv sib piv ntawm cov daim sintered, thiab cov teeb meem thiab kev daws teeb meem: ib qho kev saib xyuas
Thaum tsim kho sintered parts, qhov tseem ceeb tshaj plaws yog kom muaj lub microstructure zoo ib yam. Qhov no txhais tau tias cov ntsuab me me hauv chav kawg yog raug xa tso thiab nruj ib yam. Lub microstructure zoo ib yam pab rau chav kawg meej dua, nyob ntev dua thiab ua haujlwm zoo dua. Tab sis tsis yog tag nrho yog li ntawv. Muaj ib co teeb meem tshwj tsis uas tuaj yeem piav tau rau kev pheej hmong.
Ib qhov teeb meem yog tias cov powder uas siv los tsim cov chav kawg tuaj yeem muaj ntau qhov loj. Kev nruj tsis zoo. Yog tias muaj ib co ntawv powder loj thiab ib co me, lawv yuav nruj tsis zoo. Qhov no tsim cov voids thiab defects hauv chav kawg sintered. Nyob hauv qhov kev sintering tus cwj mem tej zaum ib qhov teeb meem twb poob tswv yim. Yog tias cheeb tsam yog ntau tshaj los yog tsuas yog tsawg, cov ntsuab tuaj yeem tsis tau sib sau ua ke zoo lossis tuaj yeem tsis muaj qhov loj ib yam. Qhov no tuaj yeem tsim tau ib co chav kawg hauv chav kawg uas muaj qhov nruj lossis nruj tsis zoo dua li lwm qhov chaw. Ntawd tshooj, kev sib xyaw tsis zoo lossis kev puas tsuaj tuaj yeem tsim cov cheeb tsam uas muaj microstructures sib txawv.
Kev Sib Txig ntawm Lub Suab Ntawv Siv Sintered Part Qhov Chaw Ua Hauj Lwm Cov Neeg Mua Siv Thaum Tus Tshaj Tawm Yooj Yim
Yog tias koj yog ib tug neeg mua siv thaum tus tshaj tawm yooj yim uas xav nrhiav siv sintered parts los ntawm KPT, ces qhov tseem ceeb rau koj kom paub txog lub nuj nqaim ntawm lub suab ntawv siv nrog qhov chaw ua hauj lwm. Lub suab ntawv siv yog ib qhov tseem ceeb nyob hauv kev tsim kho cov sintered part zoo. Nws yuav txiav txim siab seb lub suab no tau npog li cas thiab lub zog twg yuav muaj nyob rau hauv lub part saum tobtaws. Lub suab ntawv siv me me muaj ntau dua qhov chaw pov, thaub nrog lwm yam me me tshaj plaws hauv sij hawm sintering. Qhov no tuaj yeem tshwm sim ib qhov chaw ntxuav ntxiv thiab hard part. Tab sis yog tias lub suab ntawv siv yog loj heev, lawv tuaj yeem tso cai rau lub part hluas lossis tsim cov av pocket hauv lub part. Lub suab ntawv siv loj dua, tab sis tuaj yeem tsis npog ntau thiab yuav muaj cov chaw uas muaj zog tshaj. Nyob rau hauv KPT, peb khaws caij leej twg lub suab ntawv siv zoo tagnrho kom tsim cov kev cai no. Lub suab ntawv siv yog qhov raug ntsuas thiab raug kho los ntawm kev siv cov kev pab cuam advanced kom tau txais kev ua hauj lwm xws li xav.
Lub suab ntawv siv me me muaj ntau dua qhov chaw pov, thaub nrog lwm yam me me tshaj plaws hauv sij hawm sintering. Qhov no tuaj yeem tshwm sim ib qhov chaw ntxuav ntxiv thiab hard part. Tab sis yog tias lub suab ntawv siv yog loj heev, lawv tuaj yeem tso cai rau lub part hluas lossis tsim cov av pocket hauv lub part. Lub suab ntawv siv loj dua, tab sis tuaj yeem tsis npog ntau thiab yuav muaj cov chaw uas muaj zog tshaj. Nyob rau hauv KPT, peb khaws caij leej twg lub suab ntawv siv zoo tagnrho kom tsim cov kev cai no. Lub suab ntawv siv yog qhov raug ntsuas thiab raug kho los ntawm kev siv cov kev pab cuam advanced kom tau txais kev ua hauj lwm xws li xav.
Qhov kev txawj ntse thiab siv cov duab ntau tshaj rau sintered industrial parts: siv hauv kev lag luam
Kev lag luam cov duab ntau tshaj rau sintered parts yuav pab tiv thaiv kev lag luam rau kev lag luam. Nws kuj tib yam li kev pab cuam tshwm sim ntawm cov duab ntau ua ntej khiav rau siv. Thaum cov duab ntau tau zoo, lawv muaj lub grain size thiab duab thiab qaub uas pab tiv thaiv kev siv hauv kev lag luam.
Hauv kev lag luam yog ib qho tshwm sim zoo li kev txawj, kev nyeej thiab kev txaus siab. Lawv yog ib qho tshwm sim uas yuav tiv thaiv kom paub tseeb tias yuav ua haujlwm zoo li cas thaum siv hluav taws xob lossis kev lag luam. Yog tias cov duab ntau tsis clean, yuav muaj cov part nrog cov duab ntau lossis cov crack. Qhov no yuav tiv thaiv kom part tsis tuaj yeem siv tau hauv hluav taws xob lossis kev lag luam.
Daim Ntawv Qhia
- Yuav mus txhawv cov khoom siv Powder Metallurgy zoo los siv rau cov khoom siv uas tau sintered ib yam?
- Vim li cas qhov microstructure tshwm sim ib yam yog qhov tseem ceeb rau sintered parts uas siv ntev hauv qhov muaj zauv loj?
- Chaw ntawv sib piv ntawm cov daim sintered, thiab cov teeb meem thiab kev daws teeb meem: ib qho kev saib xyuas
- Kev Sib Txig ntawm Lub Suab Ntawv Siv Sintered Part Qhov Chaw Ua Hauj Lwm Cov Neeg Mua Siv Thaum Tus Tshaj Tawm Yooj Yim
- Qhov kev txawj ntse thiab siv cov duab ntau tshaj rau sintered industrial parts: siv hauv kev lag luam