Txoj kev txhaj tshuaj muaj zog peening txheej txheem hauv kev ua cov iav
Lub luag haujlwm ntawm cov haib txhaj tshuaj peening
Ib txoj hauv kev tseem ceeb los txhim kho cov kev khoov txhim kho lub zog thiab tiv tauj qaug zog lub zog ntawm cov hniav iav yog ib txoj hauv kev tseem ceeb los txhim kho cov iav tiv thaiv qaug dab peg thiab nce lub neej iav.
Txoj ntsiab cai ua haujlwm
Txoj kev txhaj tshuaj muaj zog peening txheej txheem feem ntau siv cov kev sib tw siab loj ntawm kev txhaj tshuaj steel me me ntaus lub ntsej muag ntawm qhov chaw ua haujlwm kom tau txau ntawm chav sov, ua rau elastoplastic deformation ntawm cov khoom saum npoo ntawm cov haujlwm ua haujlwm thiab nthuav tawm ntau dua qhov kawg ntawm cov khoom siv siab, yog li kev txhim kho lub zog muaj zog thiab kev nkees ua tau zoo ntawm qhov chaw ua haujlwm. Kev txhaj koob tshuaj tivthaiv peening ua rau saum npoo ntawm cov ntu elastically deform, tab sis tseem tsim tau ntau ntawm cov menyuam ntxaib thiab cuam tshuam, kom cov nplaim ntawm cov khoom tiav thiab ua kom muaj zog. Raws li muaj nyob hauv Daim Duab 1:
Daim duab 1-a Qhov saum npoo ntawm qhov tom qab tua blasting Daim duab 1-b Qhov saum npoo ntawm qhov tsis muaj phom tua
Qhov cuam tshuam ntawm kev txhaj koob tshuaj tivthaiv peening rau saum npoo morphology thiab kev ua tau zoo yog qhov tseem ceeb hauv kev hloov lub npoo hardness, saum npoo ntawm lub ntsej muag, kev nyuaj siab corrosion tsis kam thiab lub neej qaug zog ntawm qhov chaw. Cov khoom siv ntu ntawm ib sab yauv hla lub voj voos yas deformation nyob rau hauv qhov kev cuam tshuam ntawm cov phom steel. Raws li qhov xwm txheej thiab lub xeev ntawm cov khoom siv, cov nplaim ntawm cov khoom tom qab txhaj tshuaj tag yuav ua rau muaj kev hloov pauv hauv qab no: kev hloov pauv nyuaj, kev hloov pauv ntawm lub koom haum, kev hloov theem, kev hloov pauv saum npoo av, kev nyuaj siab hloov thaj chaw, thiab lwm yam.
Txoj kev ntsuas ntsuas peening lub zog
Thaum twg ib daig hlau raug ntaus los ntawm cov kwj ntawm steel txhaj, nws yuav khoov. Kev ceev thiab tua peening lub zog yog ob lub tswv yim tseem ceeb hauv kev txhaj koob tshuaj tivthaiv peening txheej txheem. Lub xeev uas muaj suab npe yog hais txog lub xeev thaum cov tshuaj tsuag txuas ntxiv rau hauv tib yam tsis muaj kev hloov ntawm cov yam ntxwv ntawm thaj chaw txau. Lub npe hu ua txhaj koob tshuaj tivthaiv peening lub zog yog los ua cov ntawv hlau ntawm qee qhov kev qhia tshwj xeeb (piv txwv li daim ntawv xeem) ua ntej los ntawm kev tsoo nws kom mus txog lub zog ntawm lub xeev uas tsis pub dhau lub sijhawm, thiab arc qhov siab ntawm daim ntawv xeem. yog siv los ntsuas nws cov blasting. Qib muaj zog.
Tam sim no, feem ntau dav siv American Society of tsheb yam xws li tshuab tua peening txheem adopts txhaj koob tshuaj tivthaiv peening xeem txoj kev npaj los ntawm Alman-lub arc qhov siab txoj kev. Cov qauv no tau thov los ntawm JO Almen (Almen) ntawm GM Lub Tuam Txhab thiab tau tsim los ntawm SAEJ442a thiab Lub ntsiab lus tseem ceeb ntawm kev ntsuas kev ntsuas tau teev nyob hauv SAE443 tus qauv yog siv lub caij nplooj hlav steel xeem daim ntawm qee yam kev qhia tshwj xeeb rau kev cuam tshuam kev txhaj tshuaj tiv thaiv kev ua haujlwm los ntawm kuaj saib cov duab hloov tom qab txhaj koob tshuaj. Thaum ib leeg ib leeg txhaj koob tshuaj tivthaiv peening ua rau nyias phaj xeem phaj, txheej txheej saum npoo yog raug rau lub cev ntom ntom ntom nti hauv qab qhov kev ua haujlwm ntawm kev txhaj tshuaj, yog li cov phaj nyias tau kheej kheej nkhaus mus rau qhov chaw tua. Feem ntau, arc qhov muaj nqis ntawm qhov txij nkawm nto raug ntsuas ntawm qhov kev ncua deb thiab siv los ntsuas qhov sib zog ntawm kev txhaj tshuaj. Tus nqi arc qhov siab yog txiav txim siab los ntawm kev txhim kho Almen xeem daim ntawm qhov tshwj xeeb ua kom tiav, tom qab txhaj koob tshuaj tiv thaiv, thiab tom qab ntawd tshem tawm cov ntawv xeem, thiab tom qab ntawd siv Almen ntsuas tawm ntsuas lub zog tensile deformation ntawm cov ntawv xeem uas tau ua los ntawm ib leeg txhaj koob tshuaj tiv thaiv peening (Ntawd yog, arc qhov siab muaj nqis). Yog tias arc qhov siab ntsuas los ntawm qhov ntsuas ntawv yog 0.35 hli, nws yog kaw ua 0.35A.
Lwm txoj kev tshuaj ntsuam ntawm kev txhaj tshuaj peening lub zog yog kev soj ntsuam kev nyuaj siab, uas yog, kev tshuaj xyuas kev nyuaj siab tshaj plaws ntawm lub workpiece tom qab kev txhaj tshuaj peening muaj zog. Txoj kev kuaj mob tshwj xeeb yog kev xoo hluav taws xob. Cov txheej txheem hauv qab no tau pom zoo nyob hauv US SAE J784a tus qauv: qhov xwm txheej thiab qhov sib txawv ntawm cov duab xoo hluav taws xob yuav tsum sib txig sib luag nrog cov hniav txhawm rau ntawm lub iav, qhov ntsuas kev ntsuas ntawm qhov cylindrical spur iav thiab cylindrical helical iav yuav tsum nyob hauv plawv ntawm qhov dav ntawm cov hniav hauv paus, thiab thaj chaw irradiation yuav tsum muaj nyob rau ntawm tus hniav. Lub hauv paus ntawm lub hauv paus cag tsis tuaj yeem txuas rau sab tom qab tshaj li qhov ntsuas teev ntawm qhov tob ntawm tus hniav cag fillet nto. Qhov loj ntawm thaj chaw irradiation tuaj yeem tswj tau los ntawm kev qhia ncaj nqaj thiab npog tus hniav-hauv paus hniav yam tsim nyog; ntawm txhua lub iav uas raug xaiv yuav tsum kuaj, Tsawg kawg ob lub hniav yuav tsum tau xaiv rau kev ntsuas, thiab lub sijhawm nruab nrab ntawm ob tus hniav yog 180 °. Yog tias qhov zoo ntawm cov hniav ntawm cov hniav tiv thaiv thiab tsis tau hauv av, nws tuaj yeem suav tias lub iav cag av rau kev ntsuas qhov kev txhawj xeeb hauv qab daim npoo tsis zoo thiab tsis tuaj yeem siv rau ntau lawm.
Cov nyhuv ntawm txhaj koob tshuaj tivthaiv peening ntawm kev txhim kho qhov qaug zog tsis kam ntawm qhov chaw
Lub ntsiab ntawm cov khoom siv sab saum toj los ntxiv dag zog los ntawm kev txhais tau tias ntawm lub ntsej muag txias deformation yog qhov txias deformation ua rau muaj kev hloov pauv ntawm cov qauv saum npoo ntawm cov khoom, cov kev qhia ua kom muaj kev cuam tshuam cov seem kev ntxhov siab, thiab cov kev hloov hauv nto morphology.
Kev txhaj koob tshuaj tivthaiv peening txhim kho cov cuab yeej saum npoo ntawm cov khoom siv
Nyob rau hauv tus txheej txheem ntawm kev ntxiv dag zog peening, thaum lub me me kheej kheej hlau tua ua rau lub ntsej muag raug txau ntawm qhov siab ceev, cov khoom saum npoo ntawm lub workpiece yuav elastically thiab plastically deformed. Lub vev xaib yuav tsim txoj kev ua qab yib vim yas deformation. Qhov kev cuam tshuam yuav ua rau cov khoom saum npoo av ze ntawm qhov nqaj nqaj hlau kom tsim txoj kab uas hla. Mus txuas ntxiv. Thaum ntau thiab ntau dua steel txhaj tshuaj ntaus nplaim qhov chaw ua haujlwm kom txau tawm, ntau thiab ntau qhov chaw ntawm qhov chaw ntawm lub workpiece nqus lub zog tig lub zog ntawm lub siab ceev tsiv steel txhaj tshuaj thiab tsim yas rheology, uas ua rau radial ncua ntawm lub cov khoom siv saum npoo av vim cov yas hloov. Thaj chaw ua qhov loj dua thiab loj dua, thiab thaj chaw plastically tau maj mam txuas nrog ua tej thooj kom txheej txheem yas tsis sib luag tau maj mam txaws qhov chaw ua haujlwm tawm. Tom qab cov yas deformation txheej yog tsim, qhov nruam txhaj koob tshuaj tiv thaiv yuav ua rau cov yas deformation txheej maj mam nyias zuj zus vim yog kev txuas ntxiv mus. Nyob rau tib lub sijhawm, cov xaim hluav taws xob ntawm cov yas deformation txheej yuav raug txwv los ntawm thaj chaw uas nyob ib sab thiab ua rau cov khoom sib tshooj puas tsuaj. Nruam txhaj koob tshuaj tivthaiv peening thiab tev. Yog li, lub sijhawm ntawm txhaj koob tshuaj tivthaiv peening yuav tsum tau tswjhwm nruj.
Ntxim ntawm txhaj koob tshuaj tivthaiv Peening rau Residual Kev nyuaj siab ntawm Carburized Iav Nto
Hais txog qhov laj thawj ntawm kev tsim kom muaj cov kev ntxhov siab nyob rau saum npoo ntawm qhov chaw ua haujlwm los ntawm kev txhaj tshuaj peening, raws li qhov pom ntawm Al-Obaid li al .: Thaum cov kev kub ceev steel tua rau saum npoo ntawm cov qauv, yas deformation tshwm sim ntawm kev cuam tshuam chaw thiab ib qho kev ua qab yias. Thaum ntau thiab ntau dua steel txhaj tshuaj Thaum nws tsoo rau saum npoo ntawm tus qauv, ib qho kev txiav txim siab ib txheej yas yas cais yuav tsim rau saum npoo ntawm tus qauv. Vim tias qhov ntim nthuav tawm ntawm cov yas deformation txheej yuav raug txwv los ntawm qhov chaw tsis tau hloov pauv kom ze rau thaj tsam ze, tag nrho cov yas deformation txheej txheej yog ua kom muaj kev ntxhov siab.
Vim tias qhov kawg ua kom tsis txhob muaj kev ntxhov siab thiab nws qhov kev faib tawm tau muaj qhov zoo ntawm lub neej qaug zog ntawm cov iav, qhov zoo thiab kev pom zoo ntawm kev txhaj tshuaj peening txheej txheem yuav cuam tshuam ncaj qha rau cov kev nyuaj siab thiab nws cov khoom faib tawm. Yog li ntawd, kev txiav txim siab tseeb ntawm kev ua kom muaj kev ntxhov siab nyob rau saum npoo ntawm cov tshuaj txau yog ib txoj hauv kev zoo rau kev ntsuas qhov zoo thiab qhov zoo ntawm cov kev txhaj tshuaj tiv thaiv txheej txheem.
Cov nyhuv ntawm txhaj koob tshuaj tivthaiv peening nyob rau saum npoo roughness ntawm seem
Lub zog ntawm txhaj koob tshuaj tiv thaiv peening yuav ua rau yas deformation ntawm qhov txau ntawm lub qhov, thiab hloov qhov saum npoo ntawm ib sab. Qhov saum npoo tawv yog ib hom ntawm microscopic geometric duab yuam kev, kuj hu ua qhov me me ntawm qhov tsis sib xws. Qhov saum npoo roughness yog tib yam li cov saum npoo waviness thiab lub duab ua yuam kev. Nws belongs rau duab yam tsis ncaj ncees lawm ntawm ib sab. Qhov saum npoo tawv muaj qhov sib cuam tshuam tseem ceeb rau kev ua tiav ntawm lub tshuab ua ntu. Qhov cuam tshuam ntawm kev txhaj tshuaj tag ntawm lub npoo roughness ntawm cov khoom siv feem ntau nyob ntawm thaj tsam ntawm Ra0.6-20mm. Yog tias tsis hloov cov txheej txheem cov txheej txheem, qhov siab dua qub qub lub zog ntawm cov khoom siv, ntau dua Ra tus nqi tom qab txhaj tshuaj tag. Kev ua ntau lawm tau ua pov thawj tias nyob rau hauv ib txwm muaj yog tias qhov saum npoo zoo ua ntej txau qis dua 6.3 hli, txhaj koob tshuaj tiv thaiv kab mob tuaj yeem nce lossis tswj cov thawj saum npoo tawv. Yog tias thawj qhov kev ntxhib los mos saum toj no yog 6.3 hli, qhov saum npoo roughness tom qab txhaj tshuaj tag yuav txo qis. Hauv kev xyaum ntau lawm, txhawm rau kom tau txais qhov zoo dua txhaj koob tshuaj tiv thaiv peening nto, peb yuav tsum pib los ntawm cov hauv qab no: muab cov khoom zoo dua qub, Ra tus nqi yuav tsum qis dua 6.3 hli; xaiv tus qauv tsim nyog steel txhaj tshuaj thiab lub siab txhaj tshuaj; Tom qab txoj kab uas hla steel txhaj koob tshuaj tiv thaiv, nws tau them ib zaug nrog cov hlau me me ntawm lub siab qis (kev txhaj tshuaj peening lub zog tsis tuaj yeem hloov tau) kom ua tiav qhov chaw zoo.
Qhov saum npoo ntawm cov seem tom qab txhaj tshuaj tag yuav tsum maj mam polished, thiab qhov nyiaj ntawm cov hlau tshem tawm saum npoo yuav tsum tswj thaum lub sijhawm polishing. Nyob rau hauv txoj kev no, lub zog cuam tshuam ntawm txhaj koob tshuaj tivthaiv peering tsis raug puas ntsoog, thiab qhov saum npoo ntawm kev ntxhib los mos tuaj yeem hloov kho. Yog lawm, qhov no yog qhov teeb meem ntawm ntau yam, tsis hais txog txoj kev twg los tau siv, kev cuam tshuam ntawm lwm yam yuav tsum raug xam thaum tib lub sijhawm.
Cov cawv ntawm cov txheej txheem tsis dhau ntawm kev txhaj tshuaj peening zoo
Lub hauv paus tseem ceeb cuam tshuam rau qhov zoo ntawm kev txhaj tshuaj peening yog raws li hauv qab no: cov khoom siv txhaj koob tshuaj, qhov taub txhaj koob, txhaj koob tshuaj tivthaiv, qhov txhaj tshuaj nrawm, lub koob txhaj, lub sijhawm tua, lub sijhawm txhaj, kev tiv thaiv tus nqi, thiab lwm yam. cov nyhuv ntawm txhaj koob tshuaj tivthaiv peening rau qib sib txawv.
Cov cawv ntawm steel txhaj koob tshuaj tivthaiv, qhov nyuaj, qhov loj thiab qhov loj ntawm cov haujlwm peening txhaj tshuaj
Cov phiaj cam-cam khwb cia thiab hlau nrum txhaj tshuaj yog feem ntau yog siv rau kev txhaj tshuaj tiv thaiv peening ntawm cov khoom siv tawv tawv. Qhov tsis zoo ntawm cov cam khwb cia hlau txhaj koob tshuaj tiv thaiv yog nws cov tawv tawv. Nws yog ib qho yooj yim kom tawg thaum txhaj tshuaj peening thiab muaj kev hnav ntau. Lub tawg steel txhaj koob tshuaj tiv thaiv yuav tsum sib cais nyob rau hauv lub sijhawm, tsis li, nws yuav cuam tshuam rau saum npoo zoo ntawm kev txhaj tshuaj. Txawm li cas los xij, qhov zoo ntawm cov cam khwb cia hlau txhaj tshuaj yog tus nqi qis thiab siab hardness, uas tuaj yeem ua rau muaj qhov siab residual compressive kev nyuaj siab nyob rau qhov chaw tsuag. Piv nrog cam hlau cam khwb cia, cam khwb cia steel txhaj tshuaj muaj qhov zoo tias nws tsis yooj yim kom tawg thiab muaj txiaj ntsig zoo rau cov qauv geometry ntawm cov tshuaj tsuag nto. Txawm li cas los xij, qhov nyuaj ntawm cam khwb cia steel txhaj koob tshuaj tivthaiv yog qis dua qhov uas cam khwb cia hlau txhaj. Nyob rau lwm qhov kev mob, qhov kawg ntawm cov yeeb yaj kiab muaj kev ntxhov siab ntawm cov tshuaj tsuag nto yog qis dua li ntawm cov hlau cam khwb cia.
Rau qhov haujlwm ua kom tau txau, qhov tsis zoo ntawm cov ntawv txhaj steel thiab qhov ceev ntawm cov hlau txhaj txiav txim siab qhov ruaj khov ntawm kev txhaj tshuaj peening. Ntawm lawv, qhov tsis zoo ntawm cov hlau txhaj tau muaj qhov cuam tshuam zoo ntawm cov txiaj ntsig ntawm kev txhaj tshuaj. Cov kev cai dav dav yog: txoj kab uas hla ntawm cov nqaj hlau loj yog qhov me, qhov kev nyuab siab nyob rau saum npoo ntawm qhov chaw ua haujlwm yog siab dua, tab sis cov txheej txheej muaj zog yog ntiav; txoj kab uas hla ntawm cov hlau loj yog qhov loj, qhov kev nyuab siab nyob rau saum npoo ntawm qhov chaw ua haujlwm qis dua, tab sis cov txheej txheej ua kom muaj zog; steel txhaj koob tshuaj tivthaiv hardness yog siab, txhaj koob tshuaj tivthaiv peening lub zog tseem yog siab; steel txhaj tshuaj inch nce, txhaj koob tshuaj tiv thaiv peening zog kuj nce; steel tua ceev nce, txhaj koob tshuaj tivthaiv peening lub zog, npliag compressive kev nyuaj siab thiab ntxiv dag zog txheej txheej nce ntxiv.
Kev xaiv tsim nyog thiab kev tswj ntawm kev txhaj tshuaj peening tsis tuaj yeem ua tiav cov kev txhaj tshuaj zoo los tiv thaiv kev phom sij. Nyob rau hauv ib txwm muaj xwm txheej, txoj kab uas hla ntawm cov hlau txhaj yog cuam tshuam los ntawm cov feem raug txau. Feem ntau, txoj kab uas hla ntawm cov hlau txhaj yuav tsum tsis txhob muaj ntau tshaj li ib nrab ntawm cov roj fillet ntawm qhov hloov ntawm thaj chaw. Cov nqaj hlau uas loj dhau lawm yuav tsis tau txau rau ntawm qhov chaw puag ncig ntawm lub iav. Thaum cov nplaim saum npoo av yog qhov yuav tsum tau ua, me txhaj steel yuav tsum siv ntau li ntau tau. Txhawm rau kom tau raws li qhov duav tau, kev txhaj tshuaj peening lub sijhawm yuav nce sai raws li qhov loj ntawm steel txhaj tshuaj, thiab steel txhaj tshuaj me me tuaj yeem ua tiav tau raws li qhov ua kom tau. Yog li ntawd, txoj kab uas hla ntawm steel txhaj tshuaj yuav tsum tsis txhob loj heev. Raws li qhov xwm txheej tiag tiag, peb lub tuam txhab xaiv cov steel txhaj tshuaj nrog cov taub φ0.6mm thiab .80.8mm, thiab cov txiaj ntsig tau zoo yog qhov zoo tagnrho.
Nyob rau tib lub sijhawm, cov khoom siv ntawm steel txhaj tshuaj kuj tseem ceeb heev. Lub teb chaws tus qauv twb tau muab cov kev txwv tshwj xeeb rau cov qauv hlau, tshuaj lom neeg ua haujlwm, qhov ntom ntom ntom ntom, thiab qhov tsis yooj yim sib txawv ntawm cov hlau ntau. Kev ua tau zoo ntawm cov hlau txhaj tshuaj ntawm cov ntaub ntawv tsim nyog yuav tsum tau nruj me ntsis kom paub meej cov duab kheej thiab loj, thiab kev txhaj tshuaj steel txaus. Qhov txo qis hauv daim ntawv txhaj tshuaj steel yuav txo qhov kev txhaj tshuaj tiv thaiv kom muaj zog. Yog li ntawv, kev txhaj tshuaj steel yuav tsum raug kuaj xyuas nyob rau qee lub sijhawm, kev txhaj tshuaj steel tsis tsim nyog yuav tsum tau muab tshem tawm hauv lub sijhawm, thiab ib qho kev siv steel yuav tsum tau hloov thiab nce ntxiv. Txwv tsis pub, lub npoo thiab txuas ntawm qhov tsis zoo ntawm cov hlau txhaj tshuaj yog qhov yuav ua rau micro tawg nyob ntawm qhov chaw ntawm cov tshuaj tsuag thiab ua rau lub zog qaug zog. Feem ntau, cov naj npawb ntawm cov txhaj tshuaj steel tsim nyog yuav tsum tsis pub tsawg tshaj 80%. Cov ntsiab lus ntawm kev txhaj tshuaj steel tsim nyog feem ntau tswj hwm los ntawm cov ntxaij ntawm cov khoom sib txawv
Lub hardness ntawm cov hlau txhaj koob tshuaj yuav tsum xav txog qhov nyuaj ntawm qhov khoom ntawd workpiece. Thaum lub hardness ntawm steel txhaj yog ze rau lub hardness ntawm cov khoom siv iav, qhov siab tshaj plaws kev ntxhov siab thiab compression qhov tob yuav tsis cuam tshuam los ntawm qhov nyuaj ntawm daim hlau txhaj. Yog li no, thaum xaiv txoj haujlwm steel, qhov nyuaj ntawm cov hlau phom yuav tsum yog ntau dua lossis sib luag ntawm qhov nyuaj ntawm cov iav txhaj koob tshuaj tiv thaiv. Rau cov txheej txheem carburized, nws yog qhov zoo tshaj plaws los siv steel kev txhaj tshuaj nrog qhov nyuaj ntawm 55-65HRC kom tau txais qhov txaus siab compressive kev cuam tshuam cov nyhuv.
Kev cuam tshuam ntawm steel txhaj tshuaj ntws tawm tus nqi, nrawm, thiab txhaj lub kaum rau kev txhaj tshuaj tiv thaiv kev ua haujlwm
Lub taub hau pov yog ncaj qha tsav los ntawm lub cev muaj zog tsis hloov pauv, thiab lub suab ceev ntawm lub taub hau pov tuaj yeem hloov los ntawm kev hloov lub zaus ntawm lub cev muaj zog. Nyob rau hauv qhov kev txiav txim ntawm lub zog centrifugal, cov hlau txhaj tshuaj puv dhau ntawm lub qhov ntawm lub plhaw impeller mus rau cov hniav thiab tom qab ntawd ces muab pov rau ntawm lub kaum sab xis ruaj ruaj los ntawm qhov sib hloov siab. Qhov ceev ntawm lub impeller txiav txim qhov pib ceev ntawm cov hlau txhaj. Qhov siab ceev ntawm lub cev muaj zog yog 3000r / min.
Raws li tus tua blasting lub taub hau tig, hlau txhaj tshuaj yuav raug muab pov tseg tsis tu ncua, yog li cov ntws ntawm steel txhaj tshuaj nkag mus rau lub suab nrov ntawm lub blasting lub taub hau yuav tsum muaj peev xwm xyuas kom meej tias lub taub hau blasting muaj cov khoom lag luam txaus ntawm steel txhaj tshuaj, uas yuav tsum tau nquag ntxiv ntawm kev txhaj koob tshuaj tivthaiv blasting tshuab' s steel txhaj koob tshuaj tivthaiv rov qab, Qhov tseem ceeb tshaj, cov khoom ntawm cov hlau txhaj nyob hauv nruab nrab yog kho los ntawm kev kho qhov qhib qhov loj me ntawm kev txhaj tshuaj tiv thaiv valve los kho cov ndlwg ntawm steel txhaj tshuaj hla dhau los ntawm kev txhaj tshuaj tiv thaiv valve. rau hauv lub taub hau pov. Lub ntim nkag ntawm txhaj tshuaj tiv thaiv blasting tshuab' s steel txhaj tshuaj yog tsau thaum nws kho tau. Hauv kev siv ib txwm, qhov kev hloov ntawm cov steel txhaj tshuaj ntws tawm yog ua tiav los ntawm kev kho qhov kev sib hloov ceev ntawm lub taub hau blasting, uas yog, nws nce thaum lub peev xwm ntim ntawm cov hlau tua tseem tsis hloov. Yog hais tias tus impeller tig, lub steel txhaj tshuaj ntws tawm ntawm qhov ntsuas ib lub sijhawm muaj qhov loj dua, thiab rov ua dua. Ntawm txhaj koob tshuaj tivthaiv blasting tshuab, txhua blasting taub hau muaj ammeter txuas nrog rau nws kom tso saib tus ndlwg ntawm cov hlau txhaj. Thaum kev txhaj koob tshuaj tivthaiv peening zoo tsis tau raws li kev cai, lub cev muaj zog yuav tsum tau kho. Qhov kev hloov kho yog txiav txim siab qhov sib txawv ntawm kev hloov kho los ntawm cov kev nyeem tshwm sim ntawm lub ammeter. Kev nyeem ntawm ntawm ammeter yog 0-30A.
nyob rau hauv xaus
Hauv cov txheej txheem txhaj koob tshuaj tivthaiv peening txheej txheem, cov khoom siv saum npoo yog raug rau kev ua haujlwm hnyav ntawm cov hlau txhaj tshuaj los ua deformation txheej txheej nyuaj, uas yuav ua rau ob qho kev cuam tshuam:
Ua ntej, kev teeb tsa ua rau lub sub-crystal kho kom zoo nkauj, cuam tshuam ntawm kev thauj ntom ntom kom nce ntxiv, thiab ntxaij ntoo distortion nce;
Qhov thib ob yog los qhia qhov siab loj macroscopic residual compressive stress.
Tsis tas li ntawd, qhov saum npoo ntawm qhov tawv nqaij yog nce vim qhov cuam tshuam ntawm cov ntawv txhaj steel, uas yuav ua rau cov cuab yeej ntse ntse ua thaum txiav ua rau nws tus kheej. Cov kev hloov pauv no yuav txhim kho qhov kev qaug zog thiab cov tshuaj tiv thaiv kev ntxhov siab ntawm cov khoom, thiaj li txhim kho lub neej ntawm cov iav.
