Pib ntau lawm: piav qhia

2024 Tus sau: Howard Calhoun | [email protected]. Kawg hloov kho: 2023-12-17 10:28

Kev tsim cov kav dej sib txawv nyob ntawm cov khoom siv, npaj siv cov khoom, txoj kab uas hla, profile, txoj kev sib txuas thiab lwm yam khoom siv thev naus laus zis. Xav txog cov yam ntxwv ntawm kev tso tawm cov khoom no thiab lawv cov yam ntxwv luv luv.

Kev faib tawm

Cov khoom siv hlau raug cais raws li cov kav dej tsis siv neeg rau cov kav dej thiab lwm cov tshuab. Lawv muaj kev cuam tshuam rau corrosion, yog li lawv xav tau cov txheej txheem tiv thaiv. Zinc feem ntau siv raws li nws, uas cuam tshuam qhov nce ntawm tus nqi ntawm cov khoom.

cam khwb cia hlau counterparts yog ntau resistant rau xeb, tab sis tsis muaj zog li. Lawv hnyav thiab xav tau tshwj xeeb, ruaj ntseg fastening thaum tso. Ntawm cov qauv no, cov kav dej, cua sov thiab cov kav dej phwj yog nruab.

Hlau-yas kav tau dhau los ua neeg nyiam heev. Kev sib xyaw ntawm cov hlau thiab yas tso cai rau koj kom ua tiav cov txiaj ntsig zoo. Ua cov kav dej los ntawm cov ntsiab lus no tsis yog qhov nyuaj. Qhov tsis zoo ntawm cov khoom muaj xws li tsis zoo thermal stability thiab muaj peev xwm ntawm to ntawm lub docking cov ntsiab lus.

Cov kav dej yas suav nrog hauvntau hom khoom siv polymer. Cov no suav nrog: low / high pressure polyethylene (HDPE, PVD) thiab cross-linked polymer modifications. Lawv yog cov hnyav, ruaj thiab corrosion resistant. Ntawm lawv tus kheej, hom sib txawv ntawm cov yam ntxwv thiab cov khoom, tab sis lawv muaj kev siv tshuab ntau lawm.

cov kav dej tooj liab yog qhov kev xaiv kim tshaj plaws. Cov khoom yog tus cwj pwm los ntawm kev ua haujlwm siab, tsis kam mus rau ya raws, kub siab heev. Vim lawv cov tsos, cov khoom zoo li no tuaj yeem ua qhov kho kom zoo nkauj ntawm sab hauv.

Kev tsim cov kav dej

Kev tshuaj xyuas yuav pib nrog cov yam ntxwv ntawm kev tsim cov khoom raws li kev txiav txim siab los ntawm txias deformation. Cov cuab yeej tsim khoom yog lub tshuab compact, muaj ib txheej ntawm cov chais los ntawm cov yeeb nkab hla. Cov cuab yeej zoo li no txawv ntawm lub zog thiab kev xa tawm. Ntawm qhov muaj zog tshaj plaws, nws tuaj yeem tsim cov kav dej tsis yog tsuas yog welded, tab sis kuj seamless.

Cov khoom lag luam tsis lees paub feem ntau yog tsim los ntawm cov khoom siv rau kev tsim cov kev hloov kho profile. Xws li cov qauv tsim yog tsim rau kev lag luam rooj tog, nrog rau kev tsim cov khoom zoo nkauj. Cov ntaub ntawv nyob rau hauv nqe lus nug yog nyob rau hauv kev thov nyob rau hauv ntau yam lag luam, tab sis tsis haum rau installation qhov twg yuav tsum tau ib tug nce kev cia siab qhia.

Txhua yam kev siv tshuab

Cov kab ntau lawm cov yeeb nkab siv cov cuab yeej siv no yog siv los ntawm kev siv cov ntawv tshwj xeeb hauv cov yob (strips). Nws losncaj qha los ntawm metallurgical nroj tsuag. Lub thickness ntawm cov blanks yuav txawv, uas tso cai rau peb los tsim cov qauv ntawm qhov yuav tsum tau kev cia siab rau ntau yam hom phiaj.

Vim thaum thawj theem lub sawb muaj qhov dav dav dua li qhov xav tau, nws raug txiav rau hauv daim ntawm qhov xav tau loj. Cov khoom yog ua tiav ntawm lub tshuab tshwj xeeb longitudinal txiav. Cov zis yog tapes nrog ib tug dav ntawm 50 millimeters, uas yog welded rau hauv ib tug tas mus li lub caij.

Cov khoom ua haujlwm tau raug mob ntawm lub nruas, uas ua kom cov haujlwm du ntawm cov txheej txheem. Lub sawb yog pub rau lub tshuab tsim uas muaj ob peb lub tso tsheb hlau luam, nyob rau hauv uas lub creation ntawm ib puag ncig qhov kawg yog nqa tawm. Nyob rau theem no, txias, unheated steel yog feem ntau siv.

Cov theem tseem ceeb hauv kev tsim cov yeeb nkab profile

Cov kev ua haujlwm saum toj no ua rau tsim cov khoom ua haujlwm nrog qhib seam. Cov yeeb nkab yog dhau los ntawm lub vuam chav tsev, uas welding yog nqa tawm siv high-frequency tam sim no. Nyob rau hauv lub chav kawm ntawm cov txheej txheem, cov npoo ntawm cov khoom yog compressed los ntawm rollers, lub yaj yog squeezed tawm ntawm lub puab thiab sab hauv qhov chaw. Qhov tshwm sim burr raug tshem tawm tam sim nrog lub tshuab txiav.

Kev tsim cov kav dej txuas ntxiv siv cov thev naus laus zis no muab rau kev ua haujlwm txias los ntawm kev raug rau cov tshuaj emulsion tshwj xeeb. Profileing ib feem suav nrog cov kauj ruam hauv qab no:

1. Kev ua cov yeeb nkab ntawm cov chais, uas ua rau nws tuaj yeem ua tiav tib seem raws li qhov ntev ntawm cov qauv.
2. Ntxiv mus, cov yeeb nkab tau ua tiav los ntawm plaub txoj haujlwmlwm cov chais, tom qab uas tiav cov khoom profile nrog ib lub square lossis puag ncig yog tau.
3. Rau tus qauv oval, tsis tas yuav ua tiav ntxiv ntawm ob lub yob.

Nyob rau theem kawg, profile blanks raug txiav mus rau qhov teev qhov ntev nrog qhov xav tau profile.

Quality control

Cov khoom tiav tau txais kev tswj xyuas zaum kawg. Muaj ob qhov tseem ceeb uas qhov kev tshuaj ntsuam tau ua tiav:

1. Kev tshuaj xyuas qhov pom yog ua los ntawm tus kws tshaj lij, uas ua rau nws tuaj yeem kuaj xyuas qhov tsis xws luag los ntawm kev hnav cov chais lossis lawv tsis ua haujlwm.
2. Kuaj nrog lub ntsuas qhov tsis haum. Nws tso cai rau koj txheeb xyuas cov teeb meem tshwm sim hauv cov khoom tiav uas tsis pom qhov muag.

Txhawm rau kom txo cov kev ntxhov siab sab hauv uas tshwm sim hauv cov hlau tom qab deformation, cov kav dej tiav yuav tsum tau muab rhaub rau txhua theem ntawm kev tsim khoom thiab tom qab ntawd txias hauv huab cua.

Kev tsim cov kav dej yas

Cov khoom tsim los ntawm cov khoom siv no yog siv hauv kev lag luam thiab hauv kev lag luam ntiag tug. Hauv kev tsim cov khoom siv polyethylene, cov tshuab tshwj xeeb yog siv - extruders. Lawv muab faib ua disk, ntsia hlau thiab ua qauv ua ke. Feem ntau, cov khoom siv ntsia hlau ntawm ntau yam qauv siv los tsim cov kav dej. Nyob rau hauv xws li ib tug extruder, lub ntsiab feem yog cov ntsia hlau. Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm lub tshuab tuaj yeem muab piv nrog kev ua haujlwm ntawm lub tshuab nqaij grinder. Cov chav nyob tuaj yeem nruab nrog ib lossis ntau qhov ua haujlwm.

Disk counterparts muab faib ua ib qho lossis ntau-diskkev hloov kho. Lub extruder ua haujlwm los ntawm kev txav cov ntaub ntawv raw nrog cov ntsiab lus tshwj xeeb uas muab adhesion. Lub ntsiab kom zoo dua ntawm lub tshuab no yog kev sib xyaw zoo ntawm cov khoom siv polymer. Qhov tsis zoo muaj xws li tsis tshua muaj siab nyob rau hauv qhov chaw ua hauj lwm, uas ua rau nws tsis yooj yim sua kom tau cov khoom uas muaj kev ntseeg siab tsis zoo thiab cov duab geometric raug.

Combined (worm thiab disk) extruders suav nrog cov qauv nruab nrog ob chav. Siv rau hauv kev ua cov polymers nrog txo elasticity thiab viscosity.

khoom siv

Cov yeeb nkab yas ntau lawm suav nrog cov khoom hauv qab no:

• Extruder.
• Tsis siv neeg pub hopper rau polyethylene granules.
• tshuab ziab khaub ncaws.
• Automated maub los ntawm cov theem ntau lawm.
• Tseem tshem tau yam tuag.
• Pull tool.
• Nqus qub qub thiab ntsuas ntsuas.
• Tsis siv neeg da dej txias qhov system.
• siv conveyor.
• Kho kom haum rau qhov tsis siv neeg stacking ntawm cov khoom tiav.

Technology

Kev tsim cov kav dej HDPE suav nrog kev siv tshuab extrusion (thawb) thev naus laus zis. Nws muaj nyob rau hauv homogenization, tswj softening thiab plasticization ntawm feedstock nyob rau hauv lub extruder. Tom ntej no, cov khoom tiav yog tsim los ntawm kev siv lub spinneret, ua raws li qhov txias thiab qhov kawg calibration.

Txhua yam yeeb nkab polymer cognruab nrog ib tug txais hopper ntawm lub extruder. Nws yog loaded nrog granulated raw khoom. Tom qab ntawd cov polymer nkag mus rau lub tog raj kheej ua haujlwm, nruab nrog cov khoom cua sov. Cov granules los ntawm qhov chaw thauj khoom txav mus rau qhov kub ntawm lub tank, cov ntaub ntawv raw yog yaj, homogenized, yaj yog pub rau lub taub hau tsim (tuag).

Cov kauj ruam kawg

Lub taub hau ua haujlwm txiav txim siab cov duab ntawm cov khoom tiav thiab nws cov yam ntxwv zoo. Ib qho txuj ci tshwj xeeb yog tias thaum cov yaj tau muab, cov tuag muaj qhov ntsuas kub ruaj khov.

Nyob ntawm tus qauv tsim ntawm lub taub hau, tiaj tus lossis cartridge hom cua sov yog siv. Bypassing sab nraud matrix thiab shaping mandrel, cov yeeb nkab yuav siv sij hawm qhov zoo ntawm cov khoom tiav. Thaum lub sij hawm calibration txheej txheem, ib feem nkag mus rau hauv lub nqus tsev vacuum da dej, qhov kawg shaping yuav siv sij hawm qhov chaw. Qhov no yog ua los ntawm lub siab uas nias lub workpiece tiv thaiv lub sizing fixture. Tom qab ntawd cov khoom yog txias thiab pub rau lub conveyor nruab nrog pneumatic khiav clamps. Nyob rau theem kawg ntawm kev tsim cov kav dej polypropylene, cov txheej txheem txiav yog ua los ntawm cov cutters lossis saws ncig.

Homemade

Thaum txiav txim siab los tsim ib txoj kab ntiag tug rau kev tsim cov kav dej yas, ua ntej ntawm tag nrho cov, koj yuav tsum xav txog seb qib ntawm cov khoom yuav zoo li cas. Yog tias cov khoom lag luam tsom mus rau cov tuam txhab rooj tog thiab cov tuam txhab tsim kho me me, lub tshuab compact yog qhov tsim nyog, uas ua kom cov khoom tsim khoom rau fittings,laj kab, laj kab thiab lwm yam khoom siv tsis raug.

Txhawm rau npaj ib kab rau kev tsim cov khoom siv polymer, cov txheej txheem tsim nyog tau nthuav tawm saum toj no. Cov hauv qab no yog cov npe ntawm cov khoom siv rau kev tsim cov yeeb nkab profile los ntawm cov khoom sib txuas:

• Profile dabtsi yog khoov tshuab.
• Txoj kab rau kev ua cov kab los ntawm cov raj puag ncig.
• Automated welding unit.
• Txoj kev txiav cov khoom tiav.

Cov neeg siv tshuaj xyuas

Cov neeg siv ceeb toom lub zog thiab kev ntseeg siab ntawm cov kav dej niaj hnub yog tias lawv tau tsim los ntawm cov chaw tsim khoom tsim nyog. Cov neeg siv khoom tsim muaj lub zog siab, tsim rau kev ua haujlwm tshwj xeeb, nrog rau kev sib txuas txhim khu kev qha, rau qhov zoo ntawm cov khoom siv hlau profile. Ntawm cov minuses - hnyav hnyav, qhov nyuaj ntawm kev tuav thiab kev thauj mus los, susceptibility rau corrosion.

Plastic counterparts zoo siab rau cov neeg siv nrog lawv qhov hnyav, yoog raws, ntau yam kev siv, thiab kev phooj ywg ib puag ncig. Ntawm qhov tsis zoo ntawm cov kav dej no yog qhov cuam tshuam rau deformation los ntawm cov cua sov lossis kev ntxhov siab.