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A kusimudza chipfuramabwe chinochengetwa kunze kwemwedzi mitatu. Zvinotaridzika zvakanaka-hapana kucheka, hapana abrasion. Asi kana yaiswa pasi pemutoro, inoputika. Kuongorora kunoratidza chikonzero: kusvibiswa kweUV. Chipfuramabwe chakarasa 40% yesimba rayo munhu asati aona dambudziko.
Mamiriro ezvinhu aya haasi ekufungidzira. Maererano neRigging Institute , zvipfuramabwe zveraundi zvine mabhachi ane ruvara rwakajeka zvinogona kurasikirwa nezvikamu makumi mana kubva muzana zvesimba razvo rekupedzisira mukati memwedzi mitanhatu yekuramba vachiratidzwa UV. Iyo Liftex Slings chengetedzo gwaro rinosimbisa kuti nharaunda umo ma synthetic webbing slings anoramba achifumurwa kune ultraviolet mwenje anogona kukanganisa kusimba kwezvakagadzirwa webbing slings mumadhigirii akasiyana kubva padiki kusvika pakuora zvachose.
Lishenflex yave inogadzira masikirwo ekusimudza ekugadzira kweanopfuura makumi maviri emakore, uye yedu yekuyedza data inosimbisa kuti kushatisa kwezvakatipoteredza ndechimwe chezvinhu zvinowanzoitika-uye zvakanyanya kufuratirwa-zvikonzero zvekutadza kwechipfuramabwe. Kusiyana nekukuvara kwemuchina sekuchekwa kana abrasion, kukuvadzwa kwezvakatipoteredza kunowanzo kuoneka kusvika kwave kunonoka.
Synthetic fibers yakatsanangura miganhu yetembiricha. Kupfuura miganhu iyi—kunyange kwenguva pfupi—kunogona kukanganisa zvachose simba rechipfuramabwe.
Zvinoenderana neCCOHS neLiftex madhairekitori ekuchengetedza, zvidhori zvekugadzira zvinokuvadzwa nekupisa kuri pamusoro pezvikumbaridzo zvinotevera:
Material |
Maximum Recommended Temperature |
Mhedzisiro Yekupfuura Muganho |
Polyester |
90°C (194°F) |
Kunyunguduka kweFiber, kuomesa, kupera simba kusingadzoreki |
Nylon |
90°C (194°F) |
Kunyunguduka kweFiber, kuomesa, kupera simba kusingadzoreki |
Polypropylene |
80°C (176°F) |
Fiber kunyunguduka, deformation |
Kunobva: CCOHS Synthetic Web Slings Guide; Liftex Sling Safety Guide
Liftex inoyambira kuti zviratidzo zvinoonekwa zvekukuvadzwa kwekupisa zvinogona kusanganisira kuputika, kunyunguduka, kubuda kwemavara (charring), uye kuwedzera kuoma kwezvinhu zvekupfura . Mune zvimwe zviitiko, chipfuramabwe chinogona kuoma uye chichiita brittle pasina chero charring inooneka-zvichiita kuti kukuvadza kwekupisa kuve kwakaoma kuona. Sezvakataurwa neMazzella Companies, humbowo hwekukuvara kwekupisa imamiriro ezvinhu anoda kubviswa nekukurumidza kubva kubasa.
OSHA inosimbisa izvi nekunyora kunyunguduka, charring, kana weld splatter pane chero chikamu chechipfuramabwe semamiriro ekukurumidza kubviswa kubva pabasa pasi peWAC 296-155-55825.
Chinyorwa chakakosha: Kukuvadzwa kwekupisa kunogona kuitika kunyangwe pasina kutarisana nemoto wakananga. Kuratidzwa kwenguva refu kunzvimbo dzinopisa, pombi dzehutsi, kana weld splatter inogona kusimudza tembiricha yefiber pamusoro pemiganhu yakachengeteka.
Synthetic slings inoitawo zvakasiyana munzvimbo dzinotonhora. Nepo polyester nenaironi zvisingaite brittle pakutonhora kwechando, unyoro mukati mefibers hunogona kugwamba, zvichiita kuti chipfuramabwe chiomarara uye kurasikirwa nekusanduka. Sekureva kweCCOHS, zvidhori zvakanyorova zvinoomesa chando zvinogona kurasikirwa nemutoro uye zvinofanirwa kuomeswa zvisati zvashandiswa.
Mazano anoshanda ekudzora tembiricha:
Usambofa wakachengeta zvipfuramabwe pedyo nezvinobva kupisa— pombi dzechipfunga, maraidhiya, kana chiedza chezuva
Shandisa zvipingamupinyi zvinopisa kana uchisimudza mitoro inopisa (inodzivirira maoko, maziso epedhi)
Rega kushandisa zvipfuramabwe pamitoro inodarika 90°C yepolyester nenaironi, 80°C yepolypropylene.
Ongorora zvipfuramabwe zvakafumurwa pakupisa kana kuoma, kutsva, kana kusakura
Mwaranzi yeUV kubva kuchiedza chezuva ndechimwe chezvinhu zvinonyanya kukuvadza zvakatipoteredza zvekugadzira zvipfuramabwe zvekusimudza. Kusiyana nekemikari kana kukuvara kwekupisa, kushatisa kweUV kunowedzera uye hakuchinjiki.
Zvinoenderana neiyo Liftex Slings chengetedzo gwara , zviratidzo zvinoonekwa zvekuora kwe ultraviolet zvinosanganisira:
Kubuda muruvara rwechipfuramabwe (kupera)
Kuwedzera kuoma kwezvinhu zvechipfuramabwe
Surface abrasion munzvimbo dzisingawanzo kusangana nemutoro
Iyo Rigging Institute inopa yakatonyanya kutungamira: zvipfuranhuhwira zvine mabhachi akajeka-ruvara (machena, tani, grey, uye yero) anogona kurasikirwa anosvika makumi mana muzana esimba rawo rekupedzisira mukati memwedzi mitanhatu yekuenderera mberi kwekuratidzwa kweUV. Mavara akasviba — dzvuku, rima, girini, uye dema — anopa dziviriro yakanakisa kubva mukukuvadzwa kweUV.
Washington Administrative Code (WAC 296-155-55825) inonyatso nyora kushanduka kwemavara, brittle fibers, uye nzvimbo dzakaoma kana dzakaoma dzinogona kuratidza kukuvara kwekemikari kana ultraviolet / zuva semamiriro ezvinhu anoda kubviswa pakarepo kubva mubasa.
Lishenflex 's field data inosimbisa kuti zvipfuramabwe zvakachengetwa kunze kana kushandiswa muchiedza chezuva chakananga pasina UV dziviriro zvinogona kurasikirwa ne20-40% yesimba radzo rakayerwa mukati memwedzi 6-12, zvichienderana neruvara uye kuratidzwa kwakanyanya.
Zviito zvakakosha kudzivirira kukuvara kweUV:
Chengeta zvipfuramabwe munzvimbo dzine rima, dzakaoma kana zvisiri kushandiswa
Sarudza zvidhori zvine rima-ruvara (dzvuku, shava, girini yakasvibira) yekushandiswa kwekunze
Tenderedza hesitori kuti uderedze kuenderera kuratidzwa kweUV
Ongorora zvipfuramabwe zvinoshandiswa panze vhiki nevhiki pakupera uye kuoma
Haasi ese mafibhi ekugadzira anoita nenzira imwechete kumakemikari. Kushandisa zvinhu zvisiri izvo mumhoteredzo isina kururama kunogona kutungamirira kukundikano yokukurumidza, ine ngwavaira.
Maererano neCCOHS, nylon slings inokuvadzwa neacids , nepo polyester slings inokuvadzwa nealkalis. Iyo Liftex Slings inotungamira inowedzera kuti makemikari anogona kukanganisa simba rekutsvedza mumadhigirii akasiyana-siyana, kubva padiki kusvika pakuora zvachose, zvichienderana nekemikari chaiyo, kusungwa kwayo, uye nguva yekuratidzwa.
Chemical Resistance Comparison
Chemical Environment |
Polyester |
Nylon |
Kurudziro |
Acids (semuenzaniso, sulfuric, hydrochloric) |
Kuramba kwakanaka |
Murombo-akakuvadzwa |
Shandisa polyester |
Alkalis (semuenzaniso, caustic soda, ammonia) |
Murombo-akakuvadzwa |
Kuramba kwakanaka |
Shandisa naironi |
Mineral mafuta, mafuta |
Kuramba kwakanaka |
Kuramba kwakanaka |
Zvimwe zvinhu |
Organic solvents |
Kuramba kwakanaka |
Kuramba kwakanaka |
Zvimwe zvinhu |
Mvura yegungwa |
Excellent |
Kugona |
Polyester inokurudzirwa |
Kunobva: CCOHS Synthetic Web Slings Guide; Liftex Sling Safety Guide
CERTEX Denmark inosimbisazve kuti machira ekugadzira machira ari panjodzi yemakemikari asingaenderane — ayo anogona kupera simba kana kuparadza faibha pasina kukuvara kunoonekwa. Liftex inoyambira kuti kana chipfuramabwe chikasangana neasidhi kana kemikari inokonzeresa uye faibha ikakuvadzwa, chipfuramabwe chinooma uye chikaita brittle, zvichiita kuti ruvara rutsvuku kana rwutema . Zvipfuramabwe izvi zvinofanira kubviswa pakarepo kubva kubasa.
Chinyorwa chakakosha: Kukuvadzwa kwemakemikari kunogona kuitika kunyangwe kubva kuhutsi kana mhute, kwete kungosangana kwemvura yakananga. Zvipfuramabwe zvakachengetwa munzvimbo dzine utsi hwemakemikari zvinogona kuderedzwa pasina kuratidzwa kwemvura inooneka.
Kurudziro inoshanda yemakemikari exposure management:
Matanidza zvipfuramabwe nemamiriro emakemikari (polyester yeasidhi, naironi yealkalis)
Shamba zvipfuramabwe nekukurumidza mushure mekuratidzwa kwekemikari (tevera mirairo yemugadziri)
Ongorora zvipfuramabwe zvinoshandiswa munzvimbo dzemakemikari kazhinji kuomarara, kushanduka kwemavara, kana brittleness.
Bvisa zvipfuramabwe kubva kubasa kana paine kukuvara kwemakemikari kuchifungidzirwa
Zvinhu zvezvakatipoteredza hazviwanzoita zvekuzviparadzanisa nevamwe. Chipfuramabwe chakachengetwa kunze chinogona kuoneswa UV, mvura (unyoro), uye tembiricha yekuchovha bhasikoro panguva imwe chete. The cumulative effect inowanzova yakakura kudarika huwandu hwezvinhu zvega.
Lishenflex 's lab yekuongorora data inoratidza kuti chipfuramabwe chakafumurwa kune ese UV uye utsi hwemakemikari chinogona kurasikirwa ne60% yesimba rayo mukati memazuva makumi mapfumbamwe-zvichienzaniswa ne30-40% kubva kune chero chinhu chete. Uku kukwidziridza mhedzisiro ndosaka kugara uchiongorora kwakakosha kune slings dzinoshandiswa munzvimbo dzakaoma.
Nhungamiro yeindasitiri kubva kuASME B30.9 inoda kuti slings mumamiriro ezvinhu akaomarara-anosanganisira kusangana nekupisa, makemikari, uye UV-inofanirwa kuongororwa kakawanda kupfuura zvipfuramabwe musevhisi yakajairika.
Per ASME B30.9 uye OSHA mirau, zvinotevera kukuvara kwezvakatipoteredza zviratidzo zvinoda kubviswa nekukurumidza kubva kubasa:
Indicator |
Probable Chikonzero |
Chiito |
Bleached/ faded color |
UV / mwenje wezuva |
Bvisa kubva kubasa nekukurumidza |
Brittle, nzvimbo dzakaoma |
UV kana kupisa kukuvara |
Bvisa kubva kubasa nekukurumidza |
Discoloration (brown/black) |
Kuratidzwa kwemakemikari |
Bvisa kubva kubasa nekukurumidza |
Nzvimbo dzakanyungudutswa / dzakapiswa |
Kukuvadza kwekupisa |
Bvisa kubva kubasa nekukurumidza |
Kurasikirwa nekushanduka-shanduka |
UV, kupisa, kana kukuvara kwemakemikari |
Bvisa kubva kubasa nekukurumidza |
Kunobva: ASME B30.9; WAC 296-155-55825
Zvinoenderana neiyo Liftex gwara, zvidhori zvinoshandiswa munzvimbo dzinogara zvichiratidzwa UV zvinofanirwa kuedzwa gore rega kana kupfuura kakawanda zvichienderana nekuoma kwekuratidzwa. ASME B30.9 inoda kuti ongororo yenguva nenguva iitwe nemunhu ane hunyanzvi uye kuti marekodhi ekunyatso ongororo yazvino achengetwe.
Lishenflex inokurudzira kuti slings inoratidzirwa kumamiriro ezvinhu akaoma ezvakatipoteredza zviongororwe mwedzi wega wega kana kota uye kubviswa kubva mubasa pachiratidzo chekutanga chekuparara kwezvakatipoteredza.
Tembiricha, UV mwaranzi, uye kuratidzwa kwemakemikari ndizvo zvitatu zvakajairika zvezvakatipoteredza izvo zvinosvibisa masikirwo ekusimudza ekugadzira. Kusiyana nekukuvara kwemagetsi, kukanganisa kwezvakatipoteredza kazhinji kusingaoneki kusvikira chipfuramabwe chakundikana pasi pemutoro.
Zvokudya zvakakosha:
1. Miganho yekupisa haigoneki-polyester nenylon zvinokuvadzwa kupfuura 90 ° C; polypropylene pamusoro pe80°C
2. Kukuvadzwa kweUV kunowedzera uye hakugadzirise — ruvara rwuri kupera chiratidzo chekutanga chenyevero; zvipfuramabwe zvine ruvara rwakasviba zvinopa kudzivirira kuri nani
3. Kukuvadzwa kwemakemikari ndeyezvinhu-zvakananga-polyester inopikisa asidhi asi inokuvadzwa nealkalis; naironi ndiyo inodzosera kumashure
4. Wongorora kakawanda munzvimbo dzakaoma-sevhisi yakaomarara inoda kuongororwa pamwedzi kusvika kumwedzi mitatu
5. Kuchengetedza kwakakodzera kunodzivirira kuparara-inotonhorera, yakaoma, nzvimbo dzine rima dzinodzivirira slings kubva pakukuvadza kwezvakatipoteredza
Lishenflex inogadzira polyester inosimudza slings ine UV-inodzivirira ekuwedzera uye akajeka ane mavara-coded simba mamaki, inoenderana EN 1492 uye ASME B30.9 zviyero. Zvigadzirwa zvedu zvinowanikwa mune yakasviba-ruvara sarudzo dzekunze kunyorera, uye isu tinopa yekuongorora kudzidziswa kubatsira timu yako kuona kukanganiswa kwezvakatipoteredza nekukurumidza.
Kana iwe uchida rubatsiro rwekuongorora njodzi yezvakatipoteredza mumabasa ako ekusimudza-kana uchida rubatsiro rwekusarudza zvidhori zvine makemikari akakodzera uye UV kuramba kune yako chaiyo nharaunda-ndapota tumira email kune sales@lishenflex.com , uye timu yedu yehunyanzvi ichapa rutsigiro rwemunhu-pamwe.