Precision stainless hlau koob valve yog adjustable valve universal valve carbon steel forging technical mob
Vim li cas rab koob valve yog lub valve uas tuaj yeem hloov kho, vim tias rab koob valve spool yog lub khob hliav qab heev, zoo li rab koob ntxig rau hauv lub rooj zaum, yog li lub npe. Nws muaj ntau yam kev siv, xws li qhov kev ncua deb ntawm cov nplaim taws, kho cov nplaim taws kub hnyiab yog lub koob valve.
Precision stainless hlau koob valve zoo txaus ua haujlwm. Txoj kev ntws ntawm rab koob valve yog ncaj qha los ntawm daim ntawv, kom qhov ntws ntawm qhov nruab nrab tsis tas yuav tig mus, kom loj npaum li txo qhov muaj peev xwm ntawm nruab nrab deposition. Yog li ntawd, nws yog qhov tsim nyog rau siab viscosity, ncua kev kawm ntawv, pulp thiab lwm qhov chaw tsis huv.
Precision stainless hlau koob valve 2 kev ua haujlwm loj:
1. Txiav kev ua tau zoo: kev ua haujlwm zoo ntawm rab koob valve. Ib qho ntawm cov yam ntxwv tseem ceeb tshaj plaws ntawm rab koob valve yog qhov kev sib cuag ntawm tus kheej kheej kheej kheej thiab lub rooj zaum incline yog nyob rau hauv daim ntawv sib cuag, uas txo qhov kev sib cuag ntawm qhov chaw thiab txo qhov to ntawm lub valve. Qhov thib ob yog siv cov txheej txheem hauv ob sab phlu, xws li hauv ob sab phlu, hauv ob sab phlu aluminium, hauv ob sab phlu engineering plastics, hauv ob sab phlu ntuj thiab ntau yam khoom siv roj hmab xaiv.
2, anti-corrosion kev ua tau zoo: stainless hlau koob valve lub cev thawj corrosion tiv thaiv, feem ntau yog xaiv cov ntaub ntawv raug. Txawm hais tias cov ntaub ntawv ntawm kev tiv thaiv corrosion yog nplua nuj heev, nws tsis yooj yim los xaiv qhov zoo, vim tias qhov teeb meem ntawm corrosion yog complex heev. Qhov nyuaj ntawm kev xaiv cov khoom siv lub cev valve yog tias nws tuaj yeem tsis tsuas yog xav txog qhov teeb meem corrosion, tab sis kuj yuav tsum xav txog lub siab thiab qhov kub thiab txias, seb qhov kev lag luam puas tsim nyog, seb qhov kev yuav khoom yog qhov yooj yim thiab lwm yam.
Koob valve ntsiab lus rau kev mloog: [Txoj kev teeb tsa: sab mounting lossis sab saum toj mounting yeem]
Kho koob valve valve yuav tsum tau soj ntsuam ua ntej installation, valve nameplate yuav tsum ua raws li lub teb chaws tus qauv tam sim no "Universal Valve Mark" GB 12220 kev cai. Rau lub valve uas nws ua haujlwm siab tshaj 1.0MPa thiab plays lub luag hauj lwm txiav ntawm lub ntsiab yeeb nkab, lub zog thiab nruj kev ntsuas yuav tsum tau nqa tawm ua ntej installation, thiab lub valve tsim nyog yuav siv tau. Kev ntsuas lub zog, qhov kev ntsuas siab yog 1.5 npaug ntawm lub npe nominal siab, lub sijhawm tsis pub tsawg tshaj 5min, lub plhaub valve, ntim khoom yuav tsum tsim nyog yam tsis muaj qhov to. Tightness test, ntsuas siab yog 1.1 npaug ntawm nominal siab; Lub sijhawm ntawm qhov kev xeem ua tau raws li qhov yuav tsum tau ua ntawm GB 50243.
Scope ntawm daim ntawv thov: hom hom: haum rau qis thiab nruab nrab siab, tsis muaj cov yam ntxwv anticorrosion yuav tsum tau rau lub tshuab nqus tsev hom: haum rau kub, ultra-siab kub, qis, nruab nrab thiab siab siab, tsis muaj tshwj xeeb anticorrosion yuav tsum tau rau lub sij hawm ntawm Frost tiv thaiv hom
Cov txheej txheem txheej txheem rau cov pa roj carbon steel forgings ntawm lub valve dav dav (ob leeg) Txhua qhov cub hluav taws xob kho cua sov forgings yuav tsum yog qhov ntsuas tensile, yog tias tib lub cub hluav taws xob kho cua sov forgings suav nrog ntau tshaj ob lub tshuab hluav taws xob dov, txhua tus xov tooj ntawm lub cub tawg yuav tsum yog qhov ntsuas tensile. Yog tias cov forgings me me dhau lawm, nws tsis tuaj yeem ua cov kev sim me me rau kev sim tensile ntawm cov forgings los yog coj tag nrho cov kev sim blocks thaum uas tig mus rau lub ntsiab deformation kev taw qhia, thiab nws yog tsis yooj yim sua kom teem ib txheej ntawm sab sauv forging xeem blocks, ces 1% ntawm cov batch los yog 10 daim (kwv yees tus nqi tsawg kawg nkaus) yuav muab rho tawm rau hardness test. Kev ntsuas siab yuav tsum tau ua tom qab NDT thiab yuav tsum tau nqa tawm ib zaug. Lub forging unit yuav tsum muaj lub luag hauj lwm rau qhov zoo ntawm kev xeem forgings.
Kev sib txuas: dav dav valve carbon steel forgings technical condition (I)
Txoj kev xeem
Tensile xeem
Txhua qhov kev kho cua sov forgings yuav tsum raug kuaj xyuas tensile. Yog tias cov forgings nrog tib qhov kev kho cua sov muaj ntau dua ob lub tshuab hluav taws xob dov, txhua tus lej ntawm lub tshuab hluav taws xob yuav tsum raug kuaj xyuas qhov tensile.
Nyob rau hauv cov xwm txheej ntawm kev cob qhia kub, qhov ntsuas kub, thiab muaj ib lub tshuab hluav taws xob siab, thiab tsuas yog ib qho kev ntsuas tensile yog qhov xav tau.
Txoj kev ntsuas tensile yuav tsum tau ua raws li cov kev cai ntawm GB / T 228.
Yog tias cov forgings me dhau lawm, nws tsis tuaj yeem ua rau qhov kev sim me me tshaj plaws rau kev sim tensile ntawm forgings los yog coj tag nrho cov kev sim blocks thaum uas tig mus rau lub ntsiab deformation kev taw qhia, thiab nws yog tsis yooj yim sua kom teem ib txheej ntawm sab sauv forging xeem. blocks, ces 1% ntawm cov batch los yog 10 pieces (nqa ib tug me me nqi) yuav muab rho tawm rau hardness test.
Kev kuaj Hardness
Forgings hardness test method raws li GB / T 231.1.
Impact test
Forgings impact test method raws li GB/T 229.
Kev kuaj tsis muaj kev puas tsuaj
Kev kuaj ultrasonic thiab sib nqus particle xeem txoj kev ntawm forgings yuav tsum tau ua raws li cov kev cai ntawm GB / T4730.
Kev ntsuas siab
Txoj kev ntsuas siab ntawm lub siab forging yuav tsum tau ua raws li GB / T 13927.
Lub siab forgings yuav tsum tau sim tom qab machining kom paub tseeb tias tsis muaj qhov to.
Txoj cai ntawm kev tshuaj xyuas
Cov khoom tshuaj ntsuam xyuas thiab tus naj npawb ntawm forgings rau txhua qib tau teev tseg hauv Table 5.
Table 5 Forging soj ntsuam cov khoom
Yog tias cov txiaj ntsig ntawm kev ntsuas cov khoom siv tshuab tsis ua raws li cov lus qhia 4, kev kho cua sov yuav tsum rov kho dua raws li cov kev cai ntawm 3. 3, thiab cov qauv thaiv yuav tsum tau ua raws li cov kev cai ntawm 3.5, thiab kev sim yuav tsum tau ua raws li cov kev cai ntawm 5.1. Txawm li cas los xij, tus naj npawb ntawm kev kho cua sov yuav tsum tsis pub tshaj ob zaug.
Kev ntsuas siab yuav tsum tau ua tom qab NDT thiab yuav tsum tau nqa tawm ib zaug. Lub forging unit yuav tsum muaj lub luag hauj lwm rau qhov zoo ntawm kev xeem forgings.
Kev txiav txim xav tau
Daim ntawv xaj lossis daim ntawv nug yuav tsum muaj cov ntsiab lus hauv qab no:
a} khoom forging kos duab, uas muaj lub rooj thiab roughness, kam rau ua, cov ntaub ntawv qib thiab lwm yam yuav tsum tau;
b) Tus neeg muag khoom txoj kev forging thiab forging kos duab (pom zoo los ntawm Demander yog tias tsim nyog);
c) Kev kho cua sov thiab lwm yam kev xav tau tuaj yeem sib tham los ntawm ob tog.
d) Kev lees txais cov cai thiab cov ntsiab lus yuav tsum tau ntxiv.
Tus Demander yuav tsum ceeb toom rau lub forging unit nyob rau hauv lub sij hawm teev nyob rau hauv daim ntawv cog lus yog hais tias nws pom cov pov tseg nyob rau hauv tus txheej txheem ntawm cov khoom tsom xam los yog machining. Yog tsis muaj kev pab, nws yuav tsum tsis pub tshaj 30 hnub.
Cov forgings uas tau thov kom muab pov tseg yuav tsum tau khaws cia rau 30 hnub txij li hnub xa daim ntawv tshaj tawm kev xeem, thaum lub sijhawm forging unit tuaj yeem thov rov kuaj dua.
Kos thiab daim ntawv pov thawj zoo
Tom qab cov forgings dhau qhov kev tshuaj ntsuam xyuas, cov cim kev tsim nyog yuav tsum tau txuas nrog. Cov ntsiab lus ntawm lub cim muaj xws li:
a) Lub Hoobkas daim ntawv qhia lossis lub Hoobkas daim ntawv lo,
b) Khoom siv code;
C} kev kho cua sov code;
d) Lub sijhawm tsim lub qhov ncauj;
e) Inspector mark.
Rau forgings nrog qhov hnyav me me thiab cov cim nyuaj, cov cim tuaj yeem siv tau, tab sis cov qhab nia yuav tsum nyob rau hauv txoj haujlwm uas tsis cuam tshuam rau kev siv forgings.
Cov forgings yuav tsum tau xa nrog kev lees paub zoo uas lees paub tias qhov zoo ntawm forgings ua tau raws li qhov yuav tsum tau ua ntawm tus qauv no.
Post lub sij hawm: Nov-21-2022
