Cov kav dej yas niaj hnub no tau hloov pauv cov khoom hlau ntau zuj zus. Vim li no, lawv cov vuam tseem yog ib qho ntawm cov teeb meem nyuaj ntawm txhua tus neeg uas txiav txim siab hloov cov kav dej hauv tsev. Koj tuaj yeem sib sau ua ke cov txheej txheem kev sib txuas lus yas, coj los ntawm qee cov tswv yim ntawm kev ua. Nyob rau hauv cov ntaub ntawv no, cov khoom yuav tsum tau interconnected, ntxiv nrog kaw-off thiab fastening fittings, thiab kuj kaw.
rau kev siv
Ntawm kev muag khoom koj tuaj yeem nrhiav cov ntsiab lus uas muab lub peev xwm los sib sau ua ke ntawm txhua qhov nyuaj thiab teeb tsa. Qhov tsuas yog qhov tsis zoo ntawm cov kav dej li no yog irreversibility, vim hais tias lub dismantling ntawm lub welded ob leeg yog tsis yooj yim sua. Yog li ntawd, yuav tsum tau saib xyuas tshwj xeeb nrog cov kav dej polypropylene, txwv tsis pub lawv yuav tsum tau hloov.
vuam khoom
Ntawm lwm cov cuab yeej los sib sau ua ke, koj yuav xav tau lub tshuabrau vuam kav ua los ntawm polypropylene. Nws tuaj yeem siv los ua kom sov qhov chaw thiab txuas rau lawv. Kev kho ntawm cov khoom yuav tsum tau ua ua ntej lub weld txias. Lub zog thiab nruj yuav siab heev, yog li cov kav dej yuav tuaj yeem ua haujlwm txawm tias muaj kev kub siab heev.
Lub tshuab rau polypropylene vuam yog cov qauv yooj yim, nws muaj:
- los ntawm cwj mem;
- phaj cua sov;
- thermostat.
Lub phaj feem ntau muaj ob lub qhov rau txuas welded ntsiab lossis nozzles. Yog tias koj ua tib zoo saib ntawm cov khoom siv yeeb nkab vuam txheej txheem, koj tuaj yeem nkag siab tias cov khoom siv muaj plaub lub vuam nozzles, uas koj tuaj yeem daws txhua yam teeb meem cuam tshuam nrog kev tso cov raj xa dej polypropylene.
Ntau txog nozzles
Nozzles rau polypropylene vuam feem ntau muaj txoj kab uas hla ntawm 20 mus rau 40 hli. 25 thiab 32 hli ua raws li tus nqi nruab nrab. Qhov chaw ua haujlwm ntawm lub nozzles yog Teflon-coated, yog li nws tsis tuaj yeem ua cov khoom vuam ntawm koj tus kheej, vim tias cov yas yuav lo rau qhov chaw tsis muaj kev tiv thaiv.
Pib welding
Cov kav dej tuaj yeem npaj tau los ntawm degreasing qhov kawg. Qee tus tswv tsev tsis quav ntsej cov lus pom zoo no. Nyob rau tib lub sijhawm, cov kav dej yuav raug welded, tab sis qhov zoo ntawm kev sib txuas yuav qis dua. Ua ntej pib vuam, nws yog ib qho tsim nyog yuav tsum ua cov txheej txheem sab hauvcawv.
Qhov no kuj siv tau rau sab nraud ntawm cov yeeb nkab. Qhov no yuav tshem tawm cov plua plav thiab cov khoom abrasive uas tuaj yeem ua rau Teflon txheej ntawm cov lus qhia. Txhawm rau kom tsis txhob cuam tshuam cov khoom siv rau vuam polypropylene, lub nozzles yuav tsum tau kho nrog cawv, uas yuav tiv thaiv cov yas lo thiab puas rau Teflon.
Txoj kev tsaws qhov tob
Lwm qhov tseem ceeb tshaj plaws yog qhov cim ntawm qhov tob ntawm cov yeeb nkab rau hauv qhov haum. Cov tom kawg yuav muaj qhov sib txawv caliber, uas txhais tau hais tias muaj qee qhov tob ntawm qhov sib koom ua ke. Yog li ntawd, ua ntej pib ua hauj lwm, nws yog ib qhov tsim nyog los ntsuas nrog ib tug kav los yog caliper. Qhov no yuav tiv thaiv qhov ntxig ntawm lub raj kom tob heev. Tsis quav ntsej cov lus pom zoo no, koj tuaj yeem nqaim lub qhov los yog ua rau cov yeeb nkab sealing.
khoom cim npe
Yog tias koj yuav vuam cov kav dej ua los ntawm polypropylene, ces koj tuaj yeem siv cov cuab yeej tshwj xeeb rau kev kos, uas yuav txuag lub sijhawm thiab paj hlwb. Nws tuaj yeem ua tau ntawm nws tus kheej los ntawm cov yeeb nkab nrog txoj kab uas hla ntawm 32 hli. Lub ntsiab yog tsim rau 20 mm yeeb nkab. Yog vim li cas cog qhov tob ntawm xws li ib tug yeeb nkab yog 15 hli, nws yog tsim nyog los txiav tawm ib tug workpiece los ntawm ib tug 32 hli daim, qhov dav ntawm uas yuav yog 15 hli. Cov khoom siv no tuaj yeem siv los kos kab qhov tob.
Nws yog qhov yooj yim heev los siv cov khoom ua haujlwm yog tias nws yuav tsum tau txuas cov kav dej ntawm tib txoj kab uas hla. Lub nplhaib ntsuas tautxhim kho los ntawm gluing ib daim duab los yog yas hauv qab rau nws, qhov no yuav ua kom yooj yim rau kev kos npe. Yog tias koj txuas cov kav dej polypropylene ntau zaus, cov kws tshaj lij pom zoo kom ua cov nplhaib tooj liab rau txhua txoj kab.
Vim tswv yim
Yog tias koj tab tom vuam kav hauv qhov chaw, ces koj yuav xav tau kev pab los ntawm lwm tus neeg uas yuav tuav lub tshuab vuam. Whereas lub sijhawm no koj yuav tuaj yeem koom nrog cov yeeb nkab thiab haum nrog welded nozzles, thiab tom qab ntawd nruab nrab ntawm lawv. Feem ntau, qee cov neeg ua haujlwm hauv tsev overexpose cov cua sov, qhov no ua rau kom cov yeeb nkab lumen nqaim. Yuav kom paub lub sijhawm cua sov thiab txias, koj yuav tsum siv cov chaw tsim khoom cov lus pom zoo.
Ua ntej polypropylene welded, nws yog ib qho tsim nyog los txiav txim siab qhov twg cov kav dej yuav muab tso rau. Qhov no yuav txo tus naj npawb ntawm welds ntawm qhov hnyav. Cov kws tshaj lij pom zoo kom sib sau cov khoom ntawm lub tiaj tiaj, thiab tom qab ntawd kho lawv hauv qhov system.
Txuas txuas cov kav dej, cov npoo ntawm cov khoom yog cua sov. Sab hauv phab ntsa yog nyob rau hauv lub tes tsho, thiab cov kav dej yuav tsum tau rhuab los ntawm sab nraud. Ua li no, lawv yuav luag tag rau ntawm lub nozzle thiab tuav rau ob peb feeb. Tom qab ntawd cov ntsiab lus yuav tsum tau txuas rau ib leeg. Koj tsuas muaj ob peb vib nas this los nruab nrab ntawm lawv. Feem ntau cov haujlwm no yog ua los ntawm qhov muag. Scrolling ntsiab nyob rau hauv kev sib raug zoo yog tsis tsim nyog nws.
Qhov dav ntawm cov seam thiab thickness ntawm cov yas yuav txiav txim siab lub sijhawm vuam. Vuam polypropylene yuav tso cai rau koj kom tau txais kev sib txuas txhim khu kev qha yog tias cov khoom tau raug cua sov rau qhov xav tau. Ua ntej vuam kav, lub valve ntawm lub coupling yuav tsum tau qhib, txwv tsis pub cov cua yuav thawb nws tawm ntawm lub nozzle. Ib feem ntawm cov yas tawm los thaum txuas nrog, tsim ib qho influx ntawm cov coupling. Yog tias muaj teeb meem thaum muab tso rau, thiab cov yas yog deformed heev, nws raug nquahu kom chamfer ntawm ntug.
Txoj kev ua haujlwm
Ua raws li cov qauv German, lub stripping yuav tsum muaj lub kaum sab xis ntawm 15 °, thaum lub sijhawm so mus txog 3 hli. Cov kws tshaj lij Lavxias tau coj los ntawm lwm txoj cai, lawv hais tias bevel ntawm chamfer yog 45 °, thaum lub sijhawm so yog ib feem peb ntawm cov tuab. Hauv kev xyaum, txhua lub chamfer nyob rau hauv qhov txwv tau hais yuav ua, tab sis lub ntsiab lus ntawm qhov no yog nws qhov sib xws.
Thaum vuam polypropylene nrog koj tus kheej txhais tes, koj yuav tsum tso lub tshuab rau ntawm qhov muag uas zoo li lub clamp tshwj xeeb. Qhov kub yog teem rau 260 ° C ntawm tus maub los, tab sis rau kev ceev qhov teeb tsa no tuaj yeem nce mus rau 280 ° C. Yog tias koj siv qhov ntsuas kub sib txawv, qhov no yuav ua rau txo qis ntawm kev ntseeg siab ntawm kev sib txuas, yog li thaum yuav ib chav tsev, koj yuav tsum xaiv tus qauv nrog lub ntsuas sov.
Cov ntsiab lus nyuaj rau muab tso rau ntawm lub tshuab cua sov, yog li lawv yuav tsum tau tig raws li axis. Txawm li cas los xij, cov kav dej yuav tsum tsis txhob muab tso rau hauv txhua txoj kev, txwv tsis pub lawv yuav yaj sab hauv. Txhawm rau kom tsis txhob muaj teeb meem zoo li no, nws raug nquahu kom ua cov cim nrog mem hluav, tab sis dhau sijhawm koj yuav hnov qhov xav tau qhov tob. Sai li txhua yamcov khoom tau sib sau ua ke, koj tuaj yeem pib vuam ntawm qhov hnyav. Hauv qhov no, peb tab tom tham txog kev hloov pauv ntawm phab ntsa, dej nkag thiab kev sib txuas rau cov roj teeb.
Yuav ua li cas kom tsis txhob yuam kev
Cov kav dej yas feem ntau yog siv rau cov tshuab dej txias, lawv yuav tsum tsis txhob ua haujlwm hauv siab. Thaum tso cua sov, cov kav dej polypropylene yuav tsum tau siv. Txhawm rau txuas lawv, nws yog ib qho tsim nyog yuav tsum tshem tawm ib feem ntawm qhov kev txhawb zog nrog lub shaver.
Thaum cov yeeb nkab mus txog ntawm lub boiler, cov chaw no yuav tsum tsis muaj cov yas. Rau qhov no, adapters yog siv uas tso cai rau hloov ib tug welded sib koom tes nrog ib tug threaded ib tug. Lub kaw-off valve yuav tsum tau nruab rau pem hauv ntej ntawm ntu tshiab, qhov no yuav pab txhawb kev ua haujlwm thaum txhim kho qhov taw tes tshiab lossis thaum kho. Sai li qhov ntu tshiab pib, koj yuav nkag siab yog tias txheej txheem soldering mus yog lawm. Tom qab qhib lub kaw-off valve, tag nrho cov kev sib txuas yuav tsum raug kuaj xyuas kom pom qhov xau.
Cov kev cai dav dav welding
Polypropylene tuaj yeem txuas rau hauv lub qhov (socket) lossis lub pob tw. Cov ntu thiab cov cuab yeej yuav tsum tau ntxuav tsis yog tsuas yog cov av xwb, tab sis kuj ntawm cov roj thiab cov roj, qhov tom kawg yog qhov txaus ntshai tshwj xeeb. Koj tuaj yeem siv cawv, acetone lossis lwm yam kuab tshuaj rau degreasing. Raws li qhov ntsuas, nws tuaj yeem ntxuav nrog cawv.
Nws yog ib qho tseem ceeb los xyuas kom meej tias daim ntaub degreasing tsis tawm fibers. Cov pa phem yuav tsum suav nrog cov txheej txheem polymer uas tau raug rhuav tshem los ntawm kev cuam tshuam ntawm ultraviolet hluav taws xob thiab huab cua. Lawv yuav tsum tau muab tshem tawm mechanically. Condensate raug tshem tawm ntawm qhov chaw ntawm cov kav dej, yog tias tsim nyog, thiabcov khoom qhuav zoo.
Vuam ntawm polypropylene yuav tsum tsis txhob ua nrog cua txias ntawm seam nrog dej lossis cua txias. Hauv qhov no, cov txheej txheem yuav tshwm sim sai heev, uas yuav ua rau muaj kev ntxhov siab thiab txo lub zog ntawm cov seam. Yog tias vuam tau ua tiav ntawm qhov kub qis, ces qhov txias yuav tsum tau qeeb nrog cov ntaub los yog rwb thaiv tsev.
PP ntawv vuam
Vuam daim ntawv polypropylene nrog lub tshuab ziab plaub hau muaj cua sov ntawm cov npoo thiab muab cov xaim polypropylene ntawm cov nplooj ntawv. Tag nrho peb lub ntsiab lus yuav tsum tau txuas rau ib leeg. Thaum xaiv lub tshuab ziab plaub hau, koj yuav tsum nyiam ib qho uas muaj lub zog zoo nkauj. Raws li rau cov hlau, nws yuav tsum tau ua los ntawm tib yam khoom uas yuav tsum tau txuas, txwv tsis pub cov ntsiab yuav yaj unevenly.
Pib nrog, cov nplooj ntawv yuav tsum tau muab tso rau ntawm qhov chaw tiaj tus thiab cov npoo yuav tsum tau ua tiav nrog cov ntawv xuab zeb. Siv lub tshuab ziab plaub hau rau vuam polypropylene, nws yog ib qho tsim nyog yuav tsum ua raws li lub hauv paus ntsiab lus uas zoo ib yam li siv lub fusible electrode. Qhov no qhia tau hais tias tus neeg teb xov tooj yuav tsum tau txav cov khoom siv raws lub seam, sau cov seam nrog cov khoom siv uas ua rau lub bar. Tom qab 7 feeb, cov ntawv welded tuaj yeem siv rau lawv lub hom phiaj.
Thaum siv cov cuab yeej piav qhia rau vuam daim ntawv polypropylene, nws yuav tsum nco ntsoov tias kev sib kis qeeb dhau tuaj yeem ua rau muaj cua sov, qhov no yuav ua rau deformation ntawm seam. Yog li ntawd, koj yuav tsum ua sai sai. Ua ntej pib ua haujlwm, koj yuav tsum ntsuas qhov zoo thiab qhov tsis zoo ntawm cov vuam zoo li no. Yog liYog li, cov seam tsim yuav muaj zog tsawg dua li cov tsim siv lwm yam technologies.
Lub zog siab tshaj plaws thaum lub sijhawm melting tsis ncav cuag tus nqi sib npaug ntawm 0.7. Qhov no qhia tias nws tuaj yeem txuas tau qhov chaw uas siv txoj kev no tsuas yog tias lawv tsis muaj npoo tuab dhau ntawm 6 hli. Txhawm rau kom nrawm nrawm ntawm qhov nyias nyias, txoj hauv kev no yuav yog qhov kev daws teeb meem zoo tshaj plaws.
Cov lus qhia ntxiv rau kev siv cov hlau soldering
Yog tias koj txiav txim siab vuam polypropylene nrog cov hlau soldering, ua ntej koj yuav tsum tau kaw cov dej thiab rhuav tshem cov kav dej qub. Tom qab ntawd cov khoom siv tau nruab rau ntawm ob txhais ceg thiab kho kom zoo hauv txoj haujlwm no. Lub sijhawm cua sov thiab cua txias yuav txawv rau cov yeeb nkab sib txawv.
Piv txwv li, yog hais tias lub sab nraud txoj kab uas hla yog 16 hli, lub sij hawm cua sov ntawm xws li ib tug yeeb nkab yuav tsum yog 5 vib nas this, nws yog tsim nyog los txuas lub ntsiab nyob rau hauv 4 vib nas this, thiab txias - 2 vib nas this. Txoj kab uas hla yuav tsum yog 3/8 nti. Yog hais tias sab nraud txoj kab uas hla nce mus txog 40 hli, lub sij hawm cua sov thiab kev sib koom yuav tsum yog 12 thiab 6 hli, feem. Nws yog ib qho tsim nyog kom txias cov kav dej li 4 vib nas this. Nrog rau qhov nce ntawm sab nraud txoj kab uas hla mus rau 90 hli, lub sij hawm sov so thiab kev sib txuas yuav yog 40 thiab 8 vib nas this, feem. Hauv qhov no, nws yog qhov tsim nyog kom txias cov kav dej hauv 8 vib nas this.
Thaum siv cov hlau nplaum, qhov cua sov feem ntau yog 260 ° C. Nws yog ib qho tseem ceeb uas yuav tau siv cov cuab yeej no ua ke nrog lub qhov hluav taws xob uasmuaj kev sib cuag hauv av. Tom qab tig ntawm cov hlau soldering ntawm rooj plaub, nias lub pob tshwj xeeb. Tib lub sijhawm, qhov ntsuas ntsuab yuav teeb. Tom qab lub teeb tig liab, nws yog ib qho tseem ceeb uas yuav tsum tau tos kom txog thaum nws tawm mus, qhov no yuav qhia tau tias qhov kub ntawm qhov xav tau tau mus txog.
Zaj lus
Vuam ntawm cov kav dej polypropylene hauv tsev yog qhov muaj niaj hnub no. Yog tias koj muaj cov cuab yeej tshwj xeeb muaj, koj tuaj yeem ua qhov tso cov raj xa dej ntawm koj tus kheej. Tom qab ua tiav tag nrho cov haujlwm, nws yog ib qho tsim nyog los xyuas qhov zoo thiab nruj ntawm kev sib txuas. Ua li no, ib ntu yog tshuab. Yog tias huab cua hla tsis muaj kev cuam tshuam, tsis muaj adhesions tau tsim.
