Xana Lapi Ra PTFE Ra Mahiselo Ya Le Henhla Ri Khoma Ku Hisa Ku Fikela Kwihi?

Eka switirhisiwa swo tala swa tiindasitiri, . Lapi ra PTFE a ri hlangana na ku hisa loku tiyeke. Yikuma ku cinca ka mahiselo hiku hatlisa – kusuka eka freezer kuya eka oven, kusuka eka hot press kuya eka ambient air, kumbe kusuka eka heat sealer kuya eka cool-down zone. Leswi swi vuriwa thermal shock.

Xivutiso hi lexi: xana lapi ra PTFE ra mahiselo yale henhla ringa pona eka ku cinca cinca ka mahiselo loku phindha-phindhiweke, hiku hatlisa handle ko pandzeka, ku delaminating, kumbe ku lahlekeriwa hi matirhelo?

Nhlamulo yi titshege hi mpimo wa mahiselo. Endzeni ka swipimelo swa yona swa ntolovelo swa ntirho, lapi ra PTFE ri tirha kahle swinene. Kambe yi susumetele ehenhla swinene, kutani xifunengeto xi ta tsandzeka.

Aokai PTFE yi ringetile ku lwisana na ku hisa eka nxaxamelo wa switirhisiwa swa hina. Nkongomiso lowu wu hlamusela leswaku i ku hambana kwihi ka mahiselo loku hlayisekeke, ndlela leyi nchumu lowu wu tirhaka ha yona ni leswi u faneleke u swi papalata.

Ku hambana ka mahiselo lama tiyiselekaka – I Yini leyi Hlayisekeke?

1. Ndzhawu ya ntolovelo yo tirha (-70°C kuya eka 260°C) .

Ku rhendzeleka ka mahiselo hiku hatlisa endzeni ka ndzhawu leyi aswingata vanga ku onhaka loku vonakaka eka lapi. Xiyimo xa ntolovelo xaku tirhisiwa xikatsa ku cinca cinca nkarhi na nkarhi exikarhi ka vuhlayiselo byo titimela eka -50°C na switirhisiwa swo hisa swo tshikelela eka 260°C. Nchumu lowu wu andlala no hunguteka, kambe PTFE coating yitshama yirikarhi yi onhaka naswona fiberglass substrate ayi pandzeki.

Xikombiso xa matirhiselo: Switirhisiwa swo omisa hi freeze laha bandi ri cincanaka exikarhi ka deep freeze (-40°C) na oven yo omisa (150°C). Lapi ra PTFE ri khoma leswi siku na siku.

2. Ku hambana lokukulu ka mahiselo (kwalomu ka 250°C delta) .

Malapi ya PTFE ya xiyimo xale henhla yanga tiyisela ku hisa lokukulu – xikombiso, kuva ya nyuperisiwa hiku hatlisa eka mati yo titimela ya 10°C endzhaku ko hlangana na 260°C (ku hunguteka ka 250°C). Xifunengeto a xi nge pandzeki kumbe ku rhurhumela endzhaku ka ku rhendzeleka loku phindha-phindhiweke. Leswi swi tiyisisiwile hi ku kamberiwa ka Aokai PTFE .

3. Ndzhawu ya khombo – ehenhla ka 300°C

Khombo ra ku onhaka ri tlakuka swinene loko ku hambana ka mahiselo ku ya emahlweni ku tlakuka, kufana na ku hola hiku hatlisa kusuka eka mahiselo yale henhla ka 300°C. Loko lapi ri tlula 300°C (ekusuhi na PTFE’s melting point ya 327°C), xifunengeto xi hundzuka semi-molten naswona xi tsanile hi michini. Ku kufumela ka xitshuketa kutani swivanga ku hunguteka lokukulu na ku pandzeka.

Nsinya wa nawu wa Ntirho – Substrate vs. Coating

Ku tirha ka thermal shock swikumiwa hi swivumbeko swo tatisela swa fiberglass substrate xikan’we na PTFE coating.

1. Fiberglass substrate – nkolo lowu tiyeke

• Ndzhawu yo olova ehenhla ka 800°C

• Xiringaniso xa le hansi swinene xa ku andzisiwa ka mahiselo (kwalomu ka 5 × 10−6/°C) .

• Ku fambisa ku hisa loku nga riki kahle

Swihlawulekisi leswi swivula leswaku ti fibre ta nghilazi ati andzi kumbe ku hunguteka ngopfu loko mahiselo. Ti hlayisa ti dimensions leti tiyeke ehansi ka thermal shock naswona ti lwisana na stress cracking hindlela leyinene. Substrate a hi yona xihlanganisi lexi tsaneke.

2. Ku peta ka PTFE – nchumu lowu sivelaka

• Coefficient ya thermal expansion yi kwalomu ka 30 kuya eka 40 wa tiphesente ta fiberglass (100-150 × 10−6/°C) .

• Hi nkarhi wa ku hisa na ku titimela hi xihatla, xifunengeto xa andlala na ku hunguteka swinene ku tlula substrate

• Leswi swi humesa ntshikelelo lowukulu eka bonding interface

Leswi endlaka leswaku ya ha tirha: Xifunengeto xa PTFE xi olova (hi ntolovelo 10-30 μm) naswona xi olova. Endlelo ra impregnation ri yi boha swinene eka fiberglass. Endzeni ka mahiselo lawa ya tolovelekeke, xifunengeto xinga ololoka xitlhela xi vuyelela handle ko pandzeka. Eka mahiselo yotala kumbe laha kunga endliwangiki kahle, ntshikelelo wu tlula matimba ya coating.

Aokai PTFE note: Lapi ra hina ra premium-grade ri tirhisa ti impregnation passes to tala, leswi pfumelelaka PTFE ku nghena swinene eka fiberglass weave. Leswi swi endla 'anchor' ya michini leyi lwisanaka na delamination hinkarhi wa thermal cycling – ku hambana ka nkoka kusuka eka ti coatings ta khwalithi yale hansi leti tshamaka ntsena ehenhla.

Swilo swa nkoka leswi khumbaka ku lwisana na ku hisa

A hi malapi hinkwawo ya PTFE lama ringanaka. Swilo swinharhu swi kombisa leswaku xiendliwa xo karhi xi tiyisela ku fikela kwihi ku rhendzeleka hi ku hisa.

1. Thekinoloji ya vuhumelerisi – khwalithi ya impregnation yina timhaka

Malapi ya xiyimo xa le henhla ma endla maendlelo yo tala yo cheriwa ni ku sintering . PTFE yi nghena swinene eka swivandla swa fibre, yi endla xivumbeko xo tiya xa anchoring. Bond leyi ya 'locked-in' yi lwisana na delamination hi nkarhi wa thermal shock.

Switirhisiwa swale hansi switirhisa single-pass coating. PTFE yi tshama ntsena ehenhla ka misava. Ehansi ka ku cinca ka mahiselo hi xihatla, xifunengeto xa rhurhumela kufana na xitichi lexi ntshunxekeke.

2. Ku enta ka coating – thinner swa antswa

Ti coatings to olova ti pfumelelana ku antswa eka deformation ya substrate. Xifunengeto xa 5-10 μm xita olova na ti fibre ta nghilazi. Xifunengeto xo enta xa 30-50 μm xi tiya naswona xitala ku pandzeka.

3. Giredi ya substrate – dense weave, ti filaments ta matimba yale henhla

Malapi ya fiberglass ya filament lawa ya lukiweke swinene, ya matimba swinene yana swivandla swintsongo naswona ya tshamiseka kahle eka dimensional. Titlhela tinyika ndzhawu yotala yale henhla ya PTFE anchoring. Malapi ya xiyimo xale hansi, lawa ya pfulekeke yatala kuva na edge fray xikan’we naku lahlekeriwa hi coating ehansi ka thermal cycling.

Ku tiya eka Switirhisiwa leswi Tirhaka – Leswi U Nga Swi Langutelaka

Eka switirhisiwa leswi lavaka ku hisiwa ni ku titimela hi ku phindha-phindha, swo tanihi:

• Swisirhelelo swo hisa (swi rhendzeleka endzhaku ka tisekoni tin’wana ni tin’wana ti nga ri tingani) .

• Tiphedi to tihambanisa leti tshikilelaka hi ku hisa

• Switirhisiwa swo sirhelela ku welda

• Switirhisiwa swo khandziya swikanyakanya hi freeze-thaw

Malapi ya xiyimo xale henhla ya PTFE ya mahiselo yale henhla yanga tiyisela makume ya magidi ya swirhendzevutani swa mahiselo handle ko tsandzeka.

1. Ndlela leyi ku tsandzeka ku humelelaka ha yona – ku karhala hakatsongotsongo

Ku tsandzeka a hi ka xitshuketa. Swi humelela hi magoza:

1. Micro-cracks yi humelela eka PTFE coating (leyi nga vonakiki hi tihlo) .

2. Ku peta swisungula ku lahlekeriwa hi ndzhawu leyinga namarheli eka tindzhawu letinga na ntshikelelo

3. Edge peeling yivonaka eka ti creases kumbe matlhelo lawa ya tsemiweke

4. Ku peta ku delaminates, ku paluxa fiberglass

5. Fiberglass frays na ku handzuka ka malapi

Ku kamberiwa nkarhi na nkarhi (magidi man’wana na man’wana ya swirhendzevutani) swinga vona ku pandzeka ka ha ri na nkarhi loko kungase tsandzeka lokukulu.

Tinhlamuselo ta Matirhiselo & Mintlhamu leyi Tolovelekeke – Leswi u faneleke ku Swi Papalata

Hambi ku ri lapi ra kahle swinene ra PTFE ri nga onhiwa hi ku tirhisiwa loku nga fanelangiki.

1. Unga tshuki u hola hiku hatlisa kusuka eka mahiselo yotala swinene (>300°C) .

Loko lapi ri hisiwa ehenhla ka 300°C (ekusuhi na ndzhawu yo n’oka ya 327°C) kutani ri titimela hi xitshuketa (xikombiso, ku tima ematini kumbe hambi ku ri ku hlangana ntsena na moya wa mahiselo ya kamara), xifunengeto xa PTFE xi ta hunguteka swinene naswona xi nga ha sungula hambi ku ri ku bola. Leswi swi endla leswaku ku pandzeka hi ku hatlisa, ku rhurhumela ni ku onhaka hilaha ku nga heriki . Vuhandzuri lebyi byi fanele ku yirisiwa swinene.

Safety margin: Leswaku yi hanya nkarhi woleha, hlayisa mahiselo ya lapi ehansi ka 260°C. Maendzo yo koma kuya eka 280-300°C ya tiyiseleriwa eka ti grade tin’wana, kambe aswi tshuki swiva na shock-cool kusuka eka mahiselo wolawo.

H3: Hlayisa ekule na swilo swo kariha na ku gombonyoka ngopfu

Thermal shock xikan’we naku onhaka ka michini – kufana na creases, scratches, kumbe sharp folds – swi hatlisisa swinene ku onhaka. Xifunengeto lexi khwaxaka se xi tsanile; thermal cycling kutani yi hangalasa ku pandzeka kusuka eka scratch.

Maendlelo lamanene: Kambela lapi nkarhi na nkarhi. Cinca loko u vona swirhumbana leswi vonakaka, swikoweto swa crease, kumbe ku tlakuka ka matlhelo loko thermal cycling yinga se ya emahlweni.

Nkatsakanyo – Swiletelo swa Thermal Shock swa Lapi ra PTFE

Aokai PTFE yi endla lapi ra xiyimo xa le henhla ra PTFE ra mahiselo ya le henhla leri nga na mapasi yo tala ya impregnation na swifunengeto swo olova, swo olova leswi antswisiweke ku lwisana na ku hisa. Eka switirhisiwa leswingana ku rhendzeleka ka mahiselo yotala swinene (xikombiso, ku kufumela hiku hatlisa kusuka eka 260°C), tihlanganise na hina eka data yokarhi ya swikambelo na switsundzuxo swa giredi.

Vuxokoxoko lebyi nga laha henhla byi nyikiwile hi Jiangsu Aokai Switirhisiwa Leswintshwa Thekinoloji Co., Ltd.

Loko u lava vuxokoxoko byo tala eka swihlawulekisi, swiyimo swa xikombelo na swintshuxo leswi endleriweke layini ya hina ya swikumiwa leswi heleleke, ku katsa na malapi ya mahiselo ya le henhla ya PTFE, tithepi ta mahiselo ya le henhla ya PTFE, mabandhi ya mesh ya PTFE, mabandhi ya muchini wo boha lama nga riki na swirhabyani, lapi ra PTFE ra tlhelo rin’we, mabandhi ya conveyor lama lwisanaka na mahiselo ya le henhla na malapi ya fiberglass lama nga tiyiseliki mahiselo ya le henhla, hi kombela u tihlanganisa hina:

• Nkulukumba Guo: +86 18944819998

• Nkulukumba Liu: +86 13705266308

Hi namarhela filosofi ya vukorhokeri ya vutshila na vutshembeki, naswona hi lwela ku ku nyika swintshuxo swa xiyimo xin’we na vukorhokeri byo tekela enhlokweni.