Yuav xaiv li casvuam khoom sivrau cov khoom siv welders
Tusvuam cov khoom siv tiv thaivrau cov welders feem ntau suav nrog kev ruaj ntseg khau thiab hnab looj tes vuam kev; thaum lub sijhawm vuam, lawv yuav tsum hnav lub ntsej muag tiv thaiv kab mob kom txo tau cov pa luam yeeb rau hauv lub cev; hnav vuam daim npog qhov ncauj mus ncaj qha saib lub teeb arc tsis muaj tsom iav tsom iav; hnav cov khaub ncaws ua haujlwm kom tsis txhob raug tawv nqaij kom ntau li ntau tau.
1. Vuam npog tiv thaiv roj
(1) Qhov yooj yim tshaj plaws yog qhov npog ntsej muag muaj qhov ua haujlwm ntawm kev ua haujlwm ntawm plua plav thiab tshuaj tua kab;
(2) Nws tuaj yeem tiv thaiv pa taws (xws li hlau hlau, manganese, txhuas thiab chromium);
(3) Lub tshuab nqus pa tau zoo nyob thiab nqus tau tom qab hnav, tsim nyog rau kev hnav ntev ntev;
(4) Lub npog ncauj yog nplaim taws. (cov yam ntxwv no tsis tas yuav tsum txaus siab)
2. Vuam daim npog qhov ncauj
(1) Txhawm rau tiv thaiv vuam arc lub teeb thiab lub txim hluav taws xob, raws li qhov yuav tsum tau ua ntawm gb3609.1 vuam tsom iav thiab ntsej muag, lub tsom iav uas ua tau raws li kev ua haujlwm yuav tsum tau xaiv.
(2) Muaj ob daim npog ntsej muag rau cov welders: txhais tes tuav thiab taub hau tsa. Lub plhaub ntawm lub npog thiab lub kaus mom hlau yuav tsum yog cov nplaim hluavtaws lossis cov nplaim hluavtaws tsis muaj qhov tsis muaj tawv nqaij. Lub npog ntsej muag yuav tsum npog lub ntsej muag thiab pob ntseg, thiab tus qauv yuav tsum ruaj khov kho yam tsis muaj lub teeb ci pom.
(3) Lub taub hau siv lub tshuab hluav taws xob vuam siv yog siv rau txhua yam ntawm arc vuam lossis nce toj kev ua haujlwm, thiab nws qhov hnyav yuav tsum tsis tshaj 560g.
(4) Lub Koomhaum Pabcuam Sib Tham yuav tsum xaiv cov looj ntsej muag thiab tiv thaiv tsom iav haum rau kev ua haujlwm zoo raws li kev ua haujlwm.
(5) Rau kev siv vuam vuam roj thiab txiav cov pa, yam tiv thaiv qhov tsom iav yuav tsum xaiv raws li cov tuab ntawm vuam thiab txiav ua haujlwm phaj.
(6) Kev npaj ntawm vuam thiab txiav, kev ua haujlwm tu, xws li sib tsoo qhov txuas welded, tshem tawm cov vuam sib tsoo, thiab lwm yam, yuav tsum siv cov iav slag uas nws lo ntsiab muag tsis yooj yim rau kev tawg.
3. Welder' s khaub ncaws ua hauj lwm
(1) Cov ris tsho tiv thaiv siv los ntawm welders yuav tsum xaiv raws li cov yam ntxwv ntawm vuam thiab txiav ua haujlwm.
(2) Paj rwb canvas zuag qhia tag nrho yog siv dav hauv kev vuam dav thiab txiav ua haujlwm, thiab cov xim ntawm txhua tus yog dawb.
(3) Thaum muaj ozone thiab lwm cov roj cua uas tsim los ntawm cov roj tiv thaiv arc vuam raws li kev ua ntawm lub teeb ci ultraviolet, cov khaub ncaws ua haujlwm ua los ntawm cov ntaub qhwv tawv lossis tawv tawv yuav tsum tau xaiv los tiv thaiv tus welder los ntawm scalded lossis kub nce thaum lub sijhawm ua haujlwm.
(4) Txhua txoj hauj lwm vuam sib dhos yuav tsum hnav khaub ncaws ua haujlwm tawv.
(5) Lub sijhawm ua haujlwm overhead vuam, txhawm rau tiv thaiv kom tsis txhob muaj nplaim taws thiab nplawm tawg los ntawm kev sib tsoo mus rau lub taub hau thiab xub pwg, tus kws tsim khoom yuav tsum hnav txoj phuam ib ncig ntawm lub caj dab, tiv thaiv lub xub pwg, lub tes tsho ntev, aprons thiab khau npog ua los ntawm cov nplaim hluav taws.
(6) Lub tsev ntxhua khaub ncaws' s khaub ncaws ua haujlwm yuav tsum tsis txhob ntub dej, lub hnab ris ntawm cov khaub ncaws ua haujlwm yuav tsum tau npog lub hnab, lub cev sab saud yuav tsum npog lub duav, qhov ntev ntawm lub ris yuav tsum npog lub vamp, kev ua haujlwm cov khaub ncaws yuav tsum tsis txhob puas, qhov thiab qhov khoob, thiab yuav tsum tsis txhob muaj cov roj av thiab roj.
(7) Vuam thiab txiav cov khaub ncaws ua haujlwm tsis tuaj yeem ua los ntawm cov qauv hluavtaws fiber ntau.
4. Vuam hnab looj tes
(1) Lub hnab looj welder' s lub hnab looj tes yuav tsum ua los ntawm hnav-tiv taus thiab hluav taws xob tiv tshav kub tawv tawv lossis cov paj rwb canvas thiab tawv, thiab qhov ntev yuav tsum tsis pub tsawg tshaj 300 hli. Lawv yuav raug sewn khov kho, thiab tus kws tsim khoom yuav tsum tsis txhob hnav cov hnab looj tes puas thiab ntub.
(2) Thaum tus hlau txuas ua haujlwm nyob rau hauv qhov chaw vuam uas yuav ua hluav taws xob, hnab looj tes yuav tsum tau ua ntawm cov khoom siv insulating (lossis txheej ntxiv insulating) thiab tsuas siv tau tom qab dhau qhov ntsuas hluav taws xob 5000v kuaj.
5. Welder nkawm khau kev nyab xeeb
(1) Welder tiv thaiv khau yuav tsum muaj rwb thaiv tsev, tiv thaiv kub, tsis ua haujlwm, hnav tsis kam thiab ua haujlwm tsis zoo.
(2) Cov roj hmab ib qho ntawm cov khau tiv thaiv hnav los ntawm hluav taws xob welders yuav tsum dhau 5000v ntsuas kev ntsuas voltage. Piv txwv li, thaum vuam nyob rau hauv cov nplaim taws thiab cov khoom tawg yooj yim, lub ib leeg yuav tsum tsis txhob muaj spikes kom tsis txhob muaj qhov sib txhuam.
(3) Thaum vuam vuam thiab txiav hauv av nrog cov dej kom ntau, tus kws tsim khoom yuav tsum hnav cov khoom siv roj hmab dej tsis dhau uas tau dhau qhov ntsuas voltage uas tau ntsuas ntawm 6000V.
6. Lwm cov khoom tiv thaiv rau vuam thiab txiav
. Cov ntaub thaiv yuav tsum yog ua los ntawm cov khoom sib txuas tsis zoo, nws cov saum npoo yuav tsum yog xim nrog xim dub los yog tsaus xim, thiab nws qhov siab yuav tsum tsis pub tsawg dua 1.8m, thiab yuav tsum muaj 25cm huab cua nyob hauv qhov qis.
(2) Txoj siv kev nyab xeeb siv los ntawm tus kws tsim khoom thaum nce lossis vuam nyob rau hauv qhov chaw uas tus hlau txuas yuav poob yuav tsum ua raws li qhov xav tau ntawm gb6095-2009 txoj siv kev nyab xeeb, thiab txoj hlua ntawm txoj hlua kev nyab xeeb ntawm txoj siv kev nyab xeeb yuav tsum muab dai kom ruaj.
(3) Lub kaus mom hlau thaiv kev nyab xeeb rau cov hlau txuas yuav tsum muaj raws li GB2811-2007.
(4) Cov khoom siv lub hnab thiab cov thoob siv cov hlau txuas yuav tsum tsis tu ncua uas tsis muaj qhov, thiab cov cuab yeej siv tau los ntawm cov hlau tsis xws li tes rauj, rab riam txiav thiab cov xov hlau yuav tsum txuas ruaj khov.
