CNC wire electrical discharge machining (Wire EDM / WEDM) yog li kev ua haujlwm tshwj xeeb rau cov khoom uas tuaj yeem muaj kev txuas. Nws tshem cov khoom ntawm qhov chaw ua haujlwm los ntawm kev sib txuas ntau dua thiab kev tsim qhov hluav taws xob uas muaj qhov ceev ntau, uas pab tshem cov khoom ntawm qhov chaw ua haujlwm los ntawm kev sov thiab kev tawg, thiab cov khoom tshem tau los yog tshem tawm los ntawm cov dej uas tsis tuaj yeem muaj kev txuas. Los ntawm kev sib piv rau lub wire uas nws yuav mus thiab kev ua haujlwm ntawm Wire EDM, cov khoom ua haujlwm no yog qhia tias yog medium-speed wire EDM (MS-WEDM) thiab low-speed wire EDM (LS-WEDM). Qhov sib txawv no tsis yog rau kev sov xwb — lawv sib txawv heev rau kev sib txuas ntawm lub wire, kev ua haujlwm tshwj xeeb, qhov ntsiab ntawm qhov chaw ua haujlwm, kev ua haujlwm ntau dua, thiab qhov chaw uas lawv yuav siv. Kev xaiv zoo yuav tsum muaj kev xyuas kom meej rau qhov kev sib txawv ntawm qhov chaw ua haujlwm, qhov khoom uas yuav siv, qhov qhia ntawm qhov chaw ua haujlwm, qhov ntau ntawm qhov chaw ua haujlwm, thiab qhov ntau ntawm kev ua haujlwm.
MS-WEDM siv lub wire molybdenum uas tuaj yeem siv dua, thiab nws yuav tso cia rau hauv qhov kev sib tw. Nws muaj qhov ntau tshaj plaws ntawm kev siv tshuaj thiab kev siv tshuaj rau txhua qhov, thiab yog qhov zoo rau kev siv rau cov mold precision, cov die stamping, cov khoom siv mechaical thib ob, thiab lwm yam uas tsis xav tau kev tswj hwm zoo heev.
LS-WEDM siv cov wire electrode uas tsis tuaj yeem siv dua, los ntawm cov brass wire lossis cov zinc-coated wire, uas yuav tso cia rau hauv qhov kev siv tshuaj raws li qhov kev yuav tso cia thiab yuav tso cia rau hauv qhov kev siv tshuaj rau qhov ntev thiab rau qhov ntev. Cov wire tshiab yuav tso cia rau hauv qhov kev siv tshuaj raws li qhov kev tso cia, thiab nws pab ua kom cov wire muaj kev ua haujlwm zoo thiab pab ua kom muaj kev tswj hwm zoo, kev tswj hwm rau qhov loj thiab kev tswj hwm rau qhov ntsuas. Nws yog qhov kev xaiv zoo rau cov progressive dies uas muaj kev tswj hwm zoo, cov precision stamping dies, cov khoom siv rau aerospace, thiab cov khoom siv mechaical uas muaj kev tswj hwm zoo.
Yog li cas, MS-WEDM yog qhov tseem ceeb rau cov teeb meem uas xav tau qhov ntau dua thiab qhov zoo dua thiab tsis txhob nyuaj siab rau qhov zoo ntawm kev ua haujlwm, tab sis LS-WEDM yog qhov tseem ceeb rau cov teeb meem uas xav tau qhov zoo heev, qhov ntsuas zoo heev thiab qhov zoo tshaj plaws rau cov khoom uas ua tau ntau. Yog tias muaj kev xaiv, tsis txhob xaiv los ntawm kev paub tias "MS-WEDM yog qhov ntau dua thiab LS-WEDM yog qhov nyuaj siab dua", tab sis yuav tsum xaiv los ntawm kev xav tau ntawm cov khoom thaum kawg.
Kev qhia txog kev ua haujlwm yog qhov tseem ceeb tshaj plaws. Rau cov ntaub ntawv uas muaj kev xav tau zoo heev rau kev sib piv ntawm qhov loj, kev sib piv ntawm daim ntawv thiab qhov chaw, kev kawm ntawm qhov ntev thiab kev tsis zoo ntawm cov ntaub ntawv, MS-WEDM yuav pab tau rau ntau yam ntawm kev ua haujlwm thiab kev ua haujlwm ntawm cov ntaub ntawv los ntawm kev siv cov lus qhia thiab kev ua haujlwm ntau yam. Rau cov ntaub ntawv uas muaj kev xav tau heev rau kev sib piv ntawm qhov loj, kev sib piv ntawm qhov ntev, kev sib piv ntawm qhov rov, kev sib piv ntawm qhov nyob, kev kawm ntawm qhov ntev thiab kev tsis zoo ntawm cov ntaub ntawv — tshwj xeeb rau cov ntaub ntawv uas xav tau kev zoo tshaj plaws rau kev ua haujlwm ntau yam — LS-WEDM muaj kev paub zoo dua. Tsuas tsis yuav tso cov kev xav tau rau kev siv LS-WEDM; tswv yim yuav tsum tau ua los ntawm kev sib piv ntawm cov ntaub ntawv, qhov loj ntawm cov ntaub ntawv, qhov loj ntawm cov ntaub ntawv thiab kev xav tau rau qhov ntaub ntawv.
Cov ntaub ntawv uas tswj hwm qhov kev siv lub tshuab yog qhov tseem ceeb rau kev txheeb xyuas. Lub tshuab wire EDM siv rau cov ntaub ntawv uas muaj kev pab cuam txog qhov loj, piv txwv li cov ntaub ntawv uas siv rau ua lub tshuab, cov ntaub ntawv uas siv rau ua qhov tshuab, cov ntaub ntawv uas muaj qhov loj thiab qhov ntaub ntawv copper, aluminum thiab cov ntaub ntawv uas muaj kev pab cuam txog qhov loj uas muaj ntau yam. Cov ntaub ntawv tseem ceeb uas yuav tsum xav txog yog kev pab cuam txog qhov loj, qhov txaus siab ntawm qhov ntaub ntawv, qhov txaus siab ntawm kev txhim kho qhov ntaub ntawv, qhov txaus siab ntawm qhov ntaub ntawv uas tsis tau txhim kho, thiab qhov ntaub ntawv thiab qhov chaw uas yuav tsum siv lub tshuab yuav tsum sib npog rau qhov tshuab. Rau cov ntaub ntawv uas siv rau ua lub tshuab uas tau txhim kho los ntawm kev txhim kho qhov ntaub ntawv los ntawm kev ntxuav thiab kev txhim kho qhov ntaub ntawv los ntawm kev ntxuav, qhov txaus siab ntawm qhov ntaub ntawv yuav tsum tau txhim kho kom tag los ntawm kev txhim kho qhov ntaub ntawv kom txog qhov ntaub ntawv tsis tuaj yeem khaub thiab khaub.
Cov ntaub ntawv ntawm qhov chaw sib xyaw yog qhov uas txheeb xyuas rau qhov chaw uas yuav tsum muaj lub ceg kawg. Thiaj li, khiav cov ceg kawg hauv qhov chaw uas tsis muaj kev txhawb, qhov chaw hauv, cov ceg uas muaj kev sib xyaw, thiab lwm yam ceg uas tsis muaj kev txhawb yuav tsum muaj lub ceg kawg uas tau khiav lawm kom txhawb lub ceg ntawm lub ceg kawg mus rau hauv qhov chaw khiav. Qhov chaw uas yuav tsum muaj lub ceg kawg yog txheeb xyuas los ntawm cov ntaub ntawv ntawm qhov chaw sib xyaw, lub tshuab khiav, thiab cov kev khiav, vim nws muaj kev nyuaj rau qhov kev khiav, qhov kev khiav tseem ceeb, thiab qhov kev khiav thaum kawg. Rau cov ntaub ntawv uas muaj kev txhawb, uas tuaj yeem khiav tau los ntawm qhov chaw ntsug ntawm qhov khoom, tsis tsum muaj lub ceg kawg uas yuav tsum khiav lawm.
Kev xaiv lub kaw lus rau kev sib twb yuav tsum sib npaj nrog kev xav tau. MS-WEDM feem ntau siv lub kaw lus molybdenum uas muaj qhov dav ntawm 0.12 mm los yog 0.20 mm. Qhov dav ntawm lub kaw lus yuav nyob ntawm qhov cim ntawm cov khoom siv, qhov loj ntawm cov khoom uas yuav tsum kho, thiab kev xav tau ntawm kev kho—lub kaw lus molybdenum uas muaj qhov dav 0.18 mm tsis yog qhov tseem ceeb rau txhua yam kev siv MS-WEDM. LS-WEDM feem ntau siv lub kaw lus brass lossis lub kaw lus alloy uas muaj qhov dav feem ntau ntawm 0.10 mm, 0.15 mm, 0.20 mm thiab 0.25 mm. Qhov dav ntawm lub kaw lus tsis yog qhov tseem ceeb rau kev siv zoo dua; yuav tsum xyuam xim tag nrho rau kev tswj kev tshuab, qhov hloov ntawm kev kho, qhov loj ntawm cov khoom uas yuav tsum kho, kev ua haujlwm thiab kev nyuaj siab rau kev puas lub kaw lus. Lwm yam lus uas hais tias “qhov dav ntawm lub kaw lus yuav tsum tsis ntev dua 0.2 mm rau kev kho ntev” yog tsis zoo. Qhov dav ntawm lub kaw lus yuav tsum xaiv los ntawm kev siv cov khoom siv, qhov xav tau ntawm cov khoom thiab kev xav tau ntawm kev ua haujlwm.
Kev txuas tshuaj thiab kev tso cov khoom uas yuav tau ua haujlwm yog qhov tseem ceeb rau kev ua haujlwm zoo. Kev txuas tshuaj yuav tsum muaj kev tso cov khoom nyob ntawd raws li qhov tseem ceeb thiab tso cov khoom kom tsis mov, tsis txhob muaj kev mov los ntawm kev txuas tshuaj tsis zoo. Tom qab tso cov khoom, xyuas cov khoom uas yuav tau ua haujlwm rau kev tso cov khoom, kev tso cov khoom kom tsis mov, kev tso cov khoom kom tsis cuam tshuam, thiab kev tso cov khoom kom sib npaug rau kev tso cov khoom hauv cov khoom uas yuav tau ua haujlwm thiab kev tso cov khoom hauv cov khoom uas yuav tau ua haujlwm. Rau kev ua haujlwm LS-WEDM uas muaj kev tso cov khoom zoo heev, kev tso cov khoom zoo yog qhov tseem ceeb rau kev tso cov khoom zoo thiab kev tso cov khoom zoo rau qhov kawg. Rau cov khoom uas muaj qhov ntev thiab qhov qis, cov khoom uas muaj qhov ntev thiab qhov qis, thiab cov khoom uas muaj kev cuam tshuam heev, yuav tsum xyuas kom meej rau kev mov los ntawm kev cuam tshuam thaum ua haujlwm.
Kev nqai lub tshuab, kev faib lub tshuab thiab kev txhawb lub tshuab yog cov qhov tseem ceeb uas yuav tsum ua ua ntej kev kho. Tom qab nqai lub tshuab, xyuas kom paub tias lub tshuab nyob deb tsis muaj kev cuam tshuam, thiab npaj kev ntxiv lub tshuab, kev txhawb lub tshuab thiab qhov xwm txheej ntawm lub duab tshuab raws li cov lus qhia ntawm lub tshuab. Kab hauv qab kev kho, npaj kom lub tshuab nyob deb thiab sib npaug rau lub tshuab, feem ntau ua los ntawm kev siv lub tshuab pom qhov chaw, kev siv lub tshuab pom qhov chaw los ntawm kev tshuab tshuab, lossis kev siv lub tshuab pom qhov chaw los ntawm kev kho tshwj xeeb. Kev txhawb lub tshuab tuaj yeem ua los ntawm kev pom qhov chaw, kev siv lub tshuab pom qhov chaw los ntawm kev tshuab tshuab, kev siv lub tshuab pom qhov chaw los ntawm kev sib koom, kev siv lub tshuab pom qhov chaw los ntawm kev sib koom thiab kev siv lub tshuab pom qhov chaw los ntawm kev sib koom. Lub tshuab CNC wire EDM tshiab feem ntau muaj kev siv lub tshuab pom qhov chaw los ntawm kev sib koom thiab kev siv lub tshuab pom qhov chaw los ntawm kev sib koom, uas pab tau ntau rau kev txhawb lub tshuab thiab kev sib koom.
Cov lus qhia rau kev sib piv |
Medium-speed wire EDM |
Lub low-speed wire EDM |
Lub kawm ntawv tshuaj |
Lub tshuab molybdenum uas tuaj yeem siv dua, kev nqai lub tshuab los ntawm kev sib koom |
Lub tshuab brass/zinc-coated uas tsis tuaj yeem siv dua, kev nqai lub tshuab los ntawm kev sib koom |
Zog Loj Thiab Lub Raj |
Kev kho tshwj xeeb ntawm kev kho thiab kev kho tshwj xeeb |
Qhov Siab ntawm Qhov Siab |
Surface Finish |
Tsawb |
Tshwj xeeb heev, kev kho tshwj xeeb heev dua |
Kev xaiv kev kho |
Yeeb yaj raug |
Yeeb yaj heev |
Cov Txog Qhia Rog |
Tshuaj tshuaj yam, cov khoom sib tw zoo tshaj plaws |
Tshuaj tshuaj zoo tshaj plaws, cov khoom uas muaj kev zoo tshaj plaws ntau |
Kev sib thooj ntawm cov khoom |
Nyob ntawm qhov ua haujlwm |
Qhov kev zoo tshaj plaws uas tsis tuaj yeem |
Qhov tseem ceeb ntawm kev xaiv MS-WEDM los ntawm LS-WEDM tsis yog qhov xyaum zoo tshaj plaws li cas, tab sis yog qhov kev xaiv yog rau qhov kev ua haujlwm uas muaj kev sib koom. Yog tias qhov kev ua haujlwm, qhov kev ua haujlwm ntawm cov ntaub, thiab qhov kev ua haujlwm ntawm cov ntaub tau nyob rau hauv qhov kev ua haujlwm ntawm MS-WEDM, nws yuav muaj kev ua haujlwm zoo tshaj plaws. Rau cov tshuaj tshuaj zoo tshaj plaws, cov khoom uas muaj kev ua haujlwm zoo tshaj plaws, los ntawm cov khoom muaj kev tswj hwm ntau ntawm qhov loo, qhov kev ua haujlwm, thiab qhov kev ua haujlwm ntawm cov ntaub, LS-WEDM yuav tsum tau xaiv. Qhov kev xaiv thaum plooj yuav tsum muaj kev sib koom ntawm qhov kev ua haujlwm, qhov ntaub uas siv, qhov loo ntawm cov khoom, qhov ntau ntawm cov khoom uas yuav tau ua, qhov teeb meem ntawm qhov ua haujlwm, qhov kev ua haujlwm ntawm cov tshuaj, thiab qhov kev ua haujlwm ntawm cov khoom ua haujlwm kom tau qhov kev xaiv zoo tshaj plaws.
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