Kodi Polyphenylene Sulfide (PPS) ndi chiyani?

Polyphenylene Sulfide (PPS) ndi polima ya thermoplastic yokhala ndi mawonekedwe achikasu chopepuka. Ili ndi malo osungunuka pafupifupi 290°C ndipo imakhala ndi kachulukidwe ka pafupifupi 1.35 g/cm³. Msana wake wa mamolekyu—wopangidwa ndi mphete za benzene ndi maatomu a sulfure—umaupangitsa kukhala wolimba komanso wokhazikika kwambiri.

PPS imadziwika ndi kuuma kwake kwakukulu, kukhazikika bwino kwa kutentha, kukana mankhwala, komanso mphamvu ya makina. Chifukwa cha magwiridwe ake abwino kwambiri, PPS imadziwika kwambiri ngati imodzi mwa mapulasitiki asanu ndi limodzi akuluakulu opanga uinjiniya, pamodzi ndi polyethylene terephthalate (PET), nayiloni (PA), polycarbonate (PC), polyoxymethylene (POM), ndi polyphenylene ether (PPO).

Mafomu ndi Kugwiritsa Ntchito PPS

Zinthu za Polyphenylene Sulfide (PPS) zimapezeka m'njira zosiyanasiyana, monga ma resin, ulusi, ulusi, mafilimu, ndi zokutira, zomwe zimapangitsa kuti zikhale zogwiritsidwa ntchito mosiyanasiyana. Madera omwe PPS imagwiritsa ntchito kwambiri ndi monga makampani opanga magalimoto, zamagetsi ndi zamagetsi, makampani opanga mankhwala, asilikali ndi chitetezo, gawo la nsalu, ndi kuteteza chilengedwe.

Mavuto Ofala mu PPSemapulasitiki opanga uinjiniya aMomwe Mungawathetsere

Ngakhale kuti mapulasitiki a PPS ndi abwino kwambiri, akadali ndi mavuto ambiri okhudzana ndi kukonza ndi kugwira ntchito. Nazi mavuto atatu omwe amafala kwambiri komanso mayankho ake:

1. Kupepuka mu PPS Yosadzazidwa

Vuto: PPS yosadzazidwa ndi yofooka mwachibadwa, zomwe zimapangitsa kuti igwiritsidwe ntchito m'magwiritsidwe ntchito omwe amafuna kukana kwambiri kapena kusinthasintha (monga, zigawo zomwe zimatha kugwedezeka kapena kugwedezeka).

Zifukwa:

Kutalikirana kochepa pakusweka chifukwa cha kapangidwe kake kolimba ka mamolekyu.

Kusowa zowonjezera kuti ziwonjezere kulimba.

Mayankho:

Gwiritsani ntchito ma PPS olimbikitsidwa ndi ulusi wagalasi (monga, 40% wodzazidwa ndi galasi) kapena zodzaza mchere kuti muwongolere mphamvu ndi kulimba.

Sakanizani ndi ma elastomer kapena ma impact modifiers pa ntchito zinazake.

2. Kusagwira bwino ntchito kwa zokutira kapena zomangira

Vuto: Kusagwira ntchito kwa mankhwala a PPS kumapangitsa kuti zomatira, zokutira, kapena utoto zikhale zovuta kumamatira, zomwe zimapangitsa kuti kusonkhana kapena kumaliza pamwamba pa chinthucho kukhale kovuta (monga m'nyumba zamagetsi kapena m'mafakitale ophimbidwa).

Zifukwa:

Mphamvu yochepa pamwamba chifukwa cha kapangidwe ka mankhwala a PPS omwe si a polar.

Kukana kugwirizana ndi mankhwala kapena kunyowetsa pamwamba.

Mayankho:

Gwiritsani ntchito mankhwala ochizira pamwamba monga plasma etching, corona discharge, kapena chemical priming kuti muwonjezere mphamvu pamwamba.

Gwiritsani ntchito zomatira zapadera (monga epoxy kapena polyurethane) zomwe zimapangidwira PPS.

3. Kuwonongeka ndi Kukangana mu Mapulogalamu Osinthasintha

Vuto: Magiredi a PPS osadzazidwa kapena okhazikika amawonetsa kuwonongeka kwakukulu kapena kukangana m'zigawo zoyenda monga mabearing, magiya, kapena zisindikizo, zomwe zimapangitsa kuti zilephereke msanga pakugwiritsa ntchito mphamvu.

Cmautumiki:

Kuchuluka kwa kukangana mu PPS yosadzazidwa.

Mafuta ochepa akamanyamula katundu wambiri kapena kuyenda mosalekeza.

Mayankho:

Sankhanimafuta a PPS okhala ndi zowonjezeramonga PTFE, graphite, kapena molybdenum disulfide kuti achepetse kukangana ndikuwonjezera kukana kwa kuwonongeka.

Gwiritsani ntchito magiredi olimbikitsidwa (monga, odzazidwa ndi ulusi wa kaboni) kuti muzitha kunyamula katundu wambiri.

Zipangizo Zothandizira Kukonza Mafuta a SILIKE ndi Zosinthira Pamwamba pa Mapulasitiki a PPS Engineering

Mayankho Atsopano Othandizira Kukana Kuvala kwa Zigawo Zotsetsereka za PPS

Tikukupatsani zowonjezera zopangidwa ndi silicone SILIKE LYSI-530A ndi SILIMER 0110

LYSI-530A ndi SILIMER 0110 ndi zinthu zatsopano zothandizira kukonza mafuta komanso zosinthira pamwamba pa polyphenylene sulfide (PPS), zomwe zatulutsidwa posachedwapa ndi SILIKE. Zowonjezera izi zochokera ku silicone zimagwira ntchito mofanana ndi polytetrafluoroethylene (PTFE), zomwe zimadziwika ndi mphamvu zochepa pamwamba. Zotsatira zake, zimachepetsa kwambiri kuchuluka kwa kuwonongeka komanso kuchuluka kwa kupsinjika kwa zinthu zopangidwa ndi PPS.

Zowonjezera izi zimakhala ndi mphamvu yochepa kwambiri yolimbana ndipo zimagwira ntchito ngati mafuta amkati. Zimapanga filimu yopyapyala pamwamba pa PPS ikagwiritsidwa ntchito ndi mphamvu zometa, motero zimachepetsa kukangana pakati pa PPS ndi malo ogwirizana, mosasamala kanthu kuti ndi achitsulo kapena apulasitiki.

Pogwiritsa ntchito 3% yokha ya LYSI-530A, mphamvu ya dynamic friction coefficient ikhoza kuchepetsedwa kufika pafupifupi 0.158, zomwe zimapangitsa kuti pamwamba pakhale posalala.

Kuphatikiza apo, kuwonjezera kwa 3% SILIMER 0110 kungapangitse kuti pakhale kusagwirizana kochepa kwa pafupifupi 0.191 pomwe kumapereka kukana kofanana ndi komwe kumaperekedwa ndi 10% PTFE. Izi zikuwonetsa mphamvu ndi kuthekera kwa zowonjezera izi pakukweza magwiridwe antchito ndi kulimba pa ntchito zosiyanasiyana, Zabwino kwambiri pazigawo za PPS zotsetsereka, zozungulira, kapena zodzaza mwamphamvu.

SILIKE imapereka magwiridwe antchito apamwambamafuta odzola okhala ndi silicone ndi zothandizira kukonzakuti zigwiritsidwe ntchito m'njira zosiyanasiyana za pulasitiki. Zowonjezera zathu zapangidwa kuti ziwongolere magwiridwe antchito a pulasitiki ndikuwonjezera mawonekedwe apamwamba a pulasitiki ndi mankhwala osinthidwa.

Mukufuna chowonjezera choyenera cha kapangidwe kanu? Sankhani SILIKE — mayankho athu okhala ndi silicone angakudabwitseni ndi magwiridwe antchito awo.
Wonjezerani magwiridwe antchito a PPS ndi zowonjezera zopangidwa ndi silicone zomwe zimachepetsa kukangana ndi kuwonongeka — palibe PTFE yofunikira.

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