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Kev kho tawm EDM yog qhov yooj yim tshaj plaws rau kev kho cov qhov tawm li cas thiab zoo siab rau cov ntaub ntawv txaus thiab muaj kev txuas. Yog tias koj tsis yog kho rau cov ntaub ntawv steel kho, titanium, lossis cov ntaub ntawv tshiab, kev kho tawm EDM yuav pab koj kho tau cov qhov tawm uas muaj qhov zoo siab uas kev kho tawm mechanical tsis tuaj yeem pab koj tau. Koj yuav tsum paub kom zoo rau kev txhim kho kev kho tawm EDM kom muaj kev ua haujlwm zoo thiab muaj qhov zoo siab rau cov ntaub ntawv uas koj kho.
Kev txhim kho kev kho tawm EDM tsis yog just tshem rau lub tshuab thiab rov qhia. Nws txhais rau kev xaiv cov cim tshwj xeeb, kev saib xyuas rau kev puas ntawm lub tshuab kho, kev saib xyuas rau qhov zoo ntawm lub tshuab kho, thiab kev paub rau kev sib koom ntawm cov cim tshwj xeeb thiab qhov zoo ntawm cov ntaub ntawv. Lub lus no yuav qhia koj cov lus qhia uas yuav pab koj tau kev ua haujlwm zoo tshaj plaws los ntawm kev kho tawm EDM, thaum koj kho ib qhov kho tawm lossis kho ntau qhov tawm.
Paub zoo rau cov cim tshwj xeeb ntawm kev kho tawm EDM rau kev kho tawm zoo thiab nyob rau hauv qhov nyiaj.
Xaiv cov cim tshwj xeeb thiab cov cim tshwj xeeb ntawm kev kho tawm
Yog ib qho ntawm cov qhov tseem ceeb tshaj plaws uas txhawb nqa kev kho tshuab ntawm EDM yog kev tso cai rau lub zis tshuab. Yog tias lub zis tshuab siab dua, nws yuav kho tshuab cov ntaub ntawv ntau dua, tab sis nws kuj yuav ua rau lub electrode lossis tshem tawm ntau dua thiab yuav ua rau qhov kho tshuab tsis zoo. Nyob rau hauv kev kho tshuab ntawm EDM, kev pom zoo qhov sib npaug ntawm lub sijhawm tshuab (pulse-on time) thiab lub sijhawm tsis tshuab (pulse-off time) yog qhov tseem ceeb heev. Yog tias lub sijhawm tshuab nyuaj dua, nws yuav muab zis tshuab ntau dua rau txhua qhov tshuab, uas yuav pab tshem tawm cov ntaub ntawv ntau dua nyob rau hauv kev kho tshuab ntawm EDM, tab sis nws kuj yuav ua rau qhov ntsiag ntawm cov ntaub ntawv tsis zoo li.
Rau cov kev kho tshuab tshwj xeeb (roughing operations) nyob rau hauv kev kho tshuab ntawm EDM, koj yuav tsum pib nrog lub zis tshuab siab thiab tom qab ntawd yuav tsum txo nws los ntawm qhov sib npaug ntawm cov kev kho tshuab kom mus rau qhov sib npaug thaum pib. Qhov kev kho tshuab no yog qhov tseem ceeb heev rau kev kho tshuab ntawm cov kho tshuab dav heev, uas kev tswj cov qhov tshuab (arcing conditions) yog qhov nyuaj dua. Koj kuj yuav tsum npaj lub servo feed sensitivity kom tswj tau qhov hauv qhov kho tshuab (gap) kom zoo, uas yuav pab tswj tau kev kho tshuab ntawm EDM kom zoo thiab tsis cuam tshuam rau txhua qhov kho tshuab.
Kev xaiv lub electrode thiab nws qhov roob rau kev kho tshuab ntawm EDM
Daim duab ntawv uas tsim rau lub cim tshuaj yuav txhawj xyuam ntau ntxiv rau qhov kev kho thiab qhov kev kho zoo li cas rau EDM drilling. Lub cim tshuaj uas ua los ntawm brass yog lub cim tshuaj uas siv tau zoo tshaj plaws rau EDM drilling vim nws muaj qhov zoo tshaj plaws ntawm kev sib koom, kev kho thiab kev sib koom rau kev kho. Lub cim tshuaj uas ua los ntawm copper yuav pab ua kom cov duab ntawv zoo dua rau EDM drilling, tab sis nws yuav puag ntau dua thaum muaj kev sib koom ntau. Lub cim tshuaj uas ua los ntawm tungsten yog lub cim tshuaj uas xav tau rau EDM drilling uas muaj qhov me me tshaj plaws, vim kev nyob tau hauv kev kho yog qhov tseem ceeb.
Cov duab ntawv ntawm lub cim tshuaj kuj muaj qhov tseem ceeb. Rau EDM drilling, siv lub cim tshuaj uas me me tshaj plaws uas tuaj yeem siv tau rau qhov qhia ntawm lub qhov kho yuav pab txhawj xyuam qhov ntau ntawm cov duab ntawv uas yuav tsum tau kho, uas yuav pab ua kom qhov kev kho zoo dua. Tsim nyog nrhiav xyuam kom paub tias lub cim tshuaj muaj qhov zoo tshaj plaws ntawm qhov cim tshuaj ua ntej khiav EDM drilling rau kom tsis txhawj xyuam tias lub qhov kho yuav muaj qhov me me thiab tsis nyob hauv qhov cim tshuaj uas yuav tsum tau kho dua.
Pab ua kom qhov EDM drilling zoo dua
Kev daws qhov dielectric fluid rau kev kho zoo dua
Khoob tshuaj dielectric ua ob qhov hais: nws tshem cov kev txhawb nqa rau hauv qhov kev txhawb nqa thiab tshem cov ntaub ntawv uas tau los ntawm kev txhawb nqa. Yog tshem tsis zoo rau hauv kev txhawb nqa, nws yuav ua rau cov ntaub ntawv uas tau los ntawm kev txhawb nqa rov qhia dua, uas ua rau muaj kev txhawb nqa ob peb zaug, uas ua rau qhov kho tawg tsis zoo thiab ua rau qhov kho tawg muaj qhov ntsiab tsis zoo. Qhov kev tshem ntau ntau rau hauv qhov kho tawg yog qhov tseem ceeb tshaj plaws los daws qhov teeb meem ntawm kev txhawb nqa.
Rau hauv kev txhawb nqa kho tawg ntev, koj yuav xav kom tshem ntau ntau rov qhia dua thaum qhov kho tawg ntev dua. Qhov no yuav pab kom cov ntaub ntawv uas tau los ntawm kev txhawb nqa tuaj tau rau ntawm qhov kho tawg. Nco ntsoov kom tshem cov ntaub ntawv dielectric raws li kev sib xyaw yog qhov tseem ceeb rau hauv kev txhawb nqa kho tawg, vim tias cov ntaub ntawv uas tsis zoo yuav ua rau qhov tshem tsis zoo thiab ua rau kev txhawb nqa tsis zoo, uas ua rau qhov kho tawg tsis zoo raws li qhov tseem ceeb.
Kev khiav qhov kho tawg thiab kev khiav lub tshuab
Kev tswj hwm ntawm kev kho tawm EDM yuav tsim rau ua ntej thaum kua qhov tshuab tsis tau txhais. Kev tswj hwm zoo yuav pab rau cov khoom uas tau kho tawm kom nyob deb rau hauv qhov kev kho tawm EDM. Yog li cas los xij, qhov kev mob thiab kev txhawj xeeb rau hauv qhov kev kho tawm EDM yuav muaj kev txawv ntawm qhov chaw kho tawm, qhov kho tawm loo yuav loo dua, lossis qhov nqaij yuav tsis zoo. Siv cov khoom tswj hwm uas tau muab tsim rau kev kho tawm EDM yog li cas, tias rau cov khoom uas muaj ntau qhov kho tawm uas kev tswj hwm qhov chaw yuav txaus siab.
Kev tswj hwm lub tshuab yog ib yam txaus siab rau kev kho tawm EDM. Thaum lub sijhawm tshwj xeeb, qhia kom paub tias lub tshuab thiab lub tshuab tswj hwm qhov chaw yog nyob raws li qhov tseem ceeb. Rau cov kev kho tawm EDM uas txaus siab, qhov kev txawv leej twg yuav muaj kev txawv hauv cov khoom tshwj xeeb. Cov lus tswj hwm qhov cua sov, uas muaj nyob rau hauv cov tshuab kho tawm EDM tshwj xeeb, pab rau kev tswj hwm qhov tseem ceeb rau lub sijhawm ntev los ntawm kev tswj hwm qhov cua sov rau hauv lub tshuab thiab rau hauv cov khoom uas tau kho tawm.
Cov lus qhia tshwj xeeb rau kev tswj hwm kev kho tawm EDM rau lub sijhawm ntev
Kev tswj hwm kev kho kom tsis tau txhob rau cov dej tshuab EDM
Kev ua haujlwm zoo ntawm cov dej tshuab EDM yog qhov tseem ceeb heev rau kev nyab xeeb ntawm cov dej tshuab. Cov EDM kho rau dej tshuab yuav tsum tau txais kev kho kom tsis tau txhob ntau dua rau cov khoom siv hluas, cov khoom siv tswj hwm, thiab cov lus tshuab kom tau kev ua haujlwm zoo tshaj plaws. Cov khoom siv tshuab uas nyuaj los yog tuaj yeem ua rau cov dej tshuab tshuab tsis zoo, uas yog qhov ua rau kev tshuab tsis zoo rau cov dej tshuab EDM. Tshem cov khoom siv tshuab tshuab kom tsis tau txhob thaum lub cim tshuab yog qhov tseem ceeb kom tsis muaj kev tshuab tshuab thiab kom tsis muaj kev nyuaj los rau cov dej tshuab thiab kom tsis muaj kev nyuaj los rau kev ua haujlwm.
Tshawb xyuam cov khoom siv tshuab rau cov dej tshuab EDM ntau dua. Yog tias cov khoom siv tshuab nyuaj los los yog muaj kev puas tsuaj, nws yuav ua rau cov dej tshuab tshuab nyob hauv qhov chaw tsis zoo, uas ua rau cov dej tshuab tshuab loo ntau dua thiab kom tsis tau kev tswj hwm zoo rau cov dej tshuab EDM. Kev tshawb xyuam kev kho kom tsis tau txhob rau cov dej tshuab EDM yuav pab koj pom kev nyuaj los ntawm kev ua haujlwm thiab kom koj tuaj yeem kho kom tsis tau txhob ua ntej qhov nyuaj los tau nyuaj dua.
Kev tshawb xyuam kev ua haujlwm thiab kev pab ntxiv
Cov kev sib tham ntawm kev kho tshuab ntau yam tshuab thiab kev sib tham hauv qhov chaw tsis tuaj yeem muaj kev nyuaj siab. Kev sib tham cov cim tshuab hauv qhov chaw kho tshuab yuav paub tau tias puas muaj kev tshuab los ntawm kev tshuab tsis zoo, kev tshuab tsis tuaj yeem, lossis kev tshuab tsis zoo. Kev paub thaum kawg yuav pab cov neeg siv kho cov kev sib tham ua ntej khiav rau kev tshuab tsis zoo. Lub tshuab kho tshuab ntau yam tshuab ntau lub sijhawm muaj kev sib tham tshuab uas yuav kho cov kev sib tham ntawm lub tshuab thiab kev sib tham ntawm lub tshuab kom tsis zoo.
Kev sau cov kev sib tham rau txhua qhov kho tshuab yuav muaj kev paub zoo. Thaum lub tshuab kho tshuab tsis zoo ua rau muaj kev zoo, kev sau cov kev sib tham yuav pab ua dua rau cov kev sib tham zoo rau lub tshuab kho tshuab tom ntej. Thaum lub sijhawm dhia mus, cov kev sib tham no yuav pab txo lub sijhawm kho thiab pab ua rau cov khoom zoo dua, uas muaj kev nyuaj siab zoo rau kev ua haujlwm.
FAQ
Yam khoom twg yog zoo tshaj plaws rau kev kho tshuab?
Kev kho thiab kev kho tawm ntawm EDM yog ua rau cov ntaub ntawv uas muaj kev sib txuas hluav taws. Nws yog qhov zoo heev rau cov ntaub ntawv uas tau kho los ntawm cov ntaub ntawv tsis tuaj no, cov ntaub ntawv carbon, cov ntaub ntawv titanium, Inconel, thiab cov ntaub ntawv loj dua uas kev kho tawm tshwj xeeb tsis tuaj yeem. Yog li cas ntaub ntawv yuav loj dua, nws yuav muaj kev sib piv zoo dua rau kev kho tawm ntawm EDM rau kev nyuaj ntawm cov khoom siv thiab kev zoo ntawm lub qhov.
Cov qhov qhia yuav pab kev kho tawm ntawm EDM li cas?
Thiab rau cov qhov qhia uas loj dua rau kev kho tawm ntawm EDM, kev kho tawm ntawm cov ntaub ntawv tsis zoo dua thiab kev nco tawm ntawm cov ntaub ntawv yuav ntxiv dua. Nws tuaj yeem pab ua rau cov qhov qhia yuav muaj kev ntxiv dua, kev ntxiv ntawm qhov qhia, thiab kev ntxiv ntawm qhov chaw. Siv cov ntaub ntawv uas muaj kev kho tawm ntawm cov ntaub ntawv uas muaj kev ntxiv dua thiab txo kev ntxiv ntawm cov ntaub ntawv rau cov qhov qhia loj dua yuav pab tso cai rau kev kho tawm ntawm EDM rau cov qhov qhia loj.
Yuav tsum kho cov ntaub ntawv li cas rau kev kho tawm ntawm EDM?
Kev pab cuam ntawm kev kho cov khoom sib tw rau EDM drilling yog nyob ntawm cov khoom uas tau txiav, qhov siab ntawm lub qhov, thiab qhov ntxiv ntawm kev tso cua. Txawm li cas los xij, koj yuav tsum suav lub qhov siab ntawm cov khoom sib tw thaum muaj kev txiav thiab kho kom tshem tawm thaum kev txiav tsis zoo heev rau koj tus kheej. Ntau tus neeg siv EDM drilling tau qhia cov khoom sib tw rau cov khoom sib tw uas tau txiav rau lub qhov ib puag ncig rau kom paub qhov ntsuas ntawm cov khoom sib tw.
