I. Core International Standard Framework yeCheni dzeKutenderera Dzine Hutsanana
Zvinodiwa zvehutsanana zvemaroller chain mumichina yekugadzira chikafu hazvina kuparadzaniswa asi zvakabatanidzwa muhurongwa hwekuchengetedza chikafu hwakabatana pasi rose, zvichinyanya kutevedzera mitemo mitatu:
* **Chitupa Chekubatana Nechikafu:** FDA 21 CFR §177.2600 (USA), EU 10/2011 (EU), uye NSF/ANSI 51 zvinotaura zvakajeka kuti zvinhu zvecheni hazvifanirwe kunge zvisina chepfu, zvisina hwema, uye zvine huwandu hwesimbi inorema ≤0.01mg/dm² (zvinoenderana nekuyedzwa kweISO 6486);
* **Magadzirirwo Ehutsanana Muchina:** Chitupa cheEHEDG Type EL Class I chinoda kuti michina isave nenzvimbo dzisina kuchena, nepo EN 1672-2:2020 ichitonga kuenderana kwehutsanana uye nheyo dzekudzora njodzi dzemichina yekugadzira chikafu;
* **Zvinodiwa Pakushandisa:** Semuenzaniso, indasitiri yemukaka inofanirwa kusangana nezvinodiwa zvekudzivirira ngura munzvimbo dzine hunyoro hwakawanda uye ngura, uye michina yekubikira inofanira kutsungirira kushanduka-shanduka kwetembiricha kubva -30℃ kusvika 120℃.
II. Hutsanana uye Kuchengetedzwa Kwezvinhu Zvinodiwa
1. Zvinhu zveSimbi: Kuenzana kweKuramba Kuora uye Kusava neChepfu
Isa simbi isina ngura ye316L austenitic, iyo inopa simba rekudzivirira ngura ne30% zviri nani pane simbi isina ngura ye304 munzvimbo dzine chlorine (senge kuchenesa mvura ine brine), kudzivirira kusvibiswa kwechikafu kunokonzerwa nengura yesimbi.
Dzivisa kushandisa simbi yakajairwa yekabhoni kana ma alloys asina kusimbiswa, sezvo zvinhu izvi zvinobvisa ma ions esimbi inorema zviri nyore uye hazvigoni kubatwa nezvinhu zvekuchenesa zvine acidic kana alkaline zvinoshandiswa mukugadzira chikafu (zvakadai se1-2% NaOH, 0.5-1% HNO₃).
2. Zvikamu Zvisiri Zvesimbi: Kutevedzera Mutemo uye Chitupa Zvakakosha
Maroller, maoko emaoko, nezvimwe zvinhu zvinogona kushandisa zvinhu zveUHMW-PE zvakabvumidzwa neFDA, zvine pamusoro wakatsetseka uye wakakora, hazvibatire nyore pashuga, mafuta, kana zvimwe zvasara, uye hazvipindi mukuwachiswa nekumanikidzwa kwakanyanya uye ngura yekuuraya utachiona.
Zvikamu zvepurasitiki zvinofanirwa kusangana nezvinodiwa neindasitiri yezvekudya zvebhuruu kana chena kudzivirira njodzi yekufamba kwemavara (semuenzaniso, zvikamu zvepurasitiki zveigus TH3 series sanitary chains).
III. Nheyo dzeKugadzirisa Hutsanana hweKugadzira Zvivakwa
Musiyano mukuru uripo pakati pemacheni e "roller" ane hutsanana nemacheni emazuva ese eindasitiri uri mu "dhizaini yavo isina dead angle," kunyanya inoda zvinotevera:
Zvinodiwa Pamusoro nePakona:
Kurapa kwekupukuta negirazi neRa≤0.8μm pamusoro pechinhu kuti zvisanyanya kunamira;
Makona ese emukati memukati menyika ≥6.5mm, zvichibvisa makona akapinza uye nzvimbo dzakavanzika. Chidzidzo chemichina yekugadzira nyama chinoratidza kuti kugadzirisa makona emukati menyika kubva pa3mm kusvika pa8mm kwakaderedza kukura kwehutachiona ne72%;
Kugadzira uye Kugadzira Mvura:
Chimiro chemodular chinotsigira kupatsanurwa nekukurumidza uye kubatanidzwa (chakanakira kupatsanurwa nenguva yekubatanidzwa ≤maminitsi gumi) kuti zvive nyore kuchenesa zvakadzama;
Nzira dzekudhonza mvura dzinofanira kuchengetwa munzvimbo dzinenge dzakavharika kuitira kudzivirira kuti mvura isarambe yakasviba mushure mekusukurudzwa. Dhizaini yakavhurika yeroller chain inogona kuvandudza kushanda zvakanaka kweCIP (yakachena panzvimbo) ne60%;
Kudzivirirwa Kwakawedzerwa Kwekuvhara Chisimbiso:
Zvikamu zvebheya zvinoshandisa labyrinth + lip double seal, zvichiita kuti isapinda mvura yeIP69K ine ukobvu hwekuvhara ≥0.5mm. Zvidimbu zvakasimba nemvura zvinofanira kudzivirirwa kuti zvisapinde; zvivakwa zvebhoti zvakafumurwa zvinorambidzwa kudzivirira kuti mipata ine tambo isave nzvimbo dzinoonekwa.
IV. Maitiro Ekushanda Nemutemo Pakuchenesa Nekuzora Mafuta
1. Zvinodiwa zveKuchenesa Zvinoenderana Nezvinodiwa
Inotsungirira maitiro ekuchenesa eCIP netembiricha ye80-85℃ uye kumanikidzwa kwe1.5-2.0 bar, ichibvisa zvinodarika 99% zvezvasara mukati memaminitsi mashanu; Inoshanda ne organic solvents dzakadai se ethanol ne acetone, pamwe nemishonga inouraya utachiona yemhando yepamusoro, isina peeling kana kuchembera kwezvinhu.
2. Maitiro Ehutsanana Ekugadzira Masisitimu Emafuta
Mafuta emhando yeNSF H1 anofanira kushandiswa, kana kuti chimiro chinozvizora chega (senge maroller anozvizora akagadzirwa nezvinhu zveUHMW-PE) chinofanira kushandiswa kubvisa njodzi yekusvibiswa kwechikafu nemafuta; Kuwedzera mafuta asiri emhando yechikafu panguva yekushanda kwecheni hakubvumirwi, uye zvasara zvemafuta ekare zvinofanira kubviswa zvakanaka panguva yekugadzirisa kudzivirira kusvibiswa.
V. Nhungamiro dzeKusarudza neKugadzirisa
1. Nheyo yeSarudzo Yakavakirwa paZviitiko
2. Zvinhu Zvikuru Zvekugadzirisa
* Kuchenesa Zuva Nezuva: Mushure mekushanda, bvisai zvasara kubva pamaburi eplate dzecheni uye pamusoro pemaroller. Shambai nemhepo ine simba guru moomesa zvakanaka kudzivirira kupfava uye kukura kwebhakitiriya.
* Kuongorora Nguva Dzose: Tsiva cheni ipapo ipapo kana kureba kwayo kwapfuura 3% yehurefu hwakatarwa. Tarisa panguva imwe chete kupera kwezino rema sprocket kudzivirira kupera nekukurumidza kubva pakushandisa zvikamu zvekare nezvitsva pamwe chete.
* Kusimbiswa Kwemitemo: Pasa bvunzo yeATP biofluorescence (kukosha kweRLU ≤30) uye bvunzo yekurwisa utachiona (zvasara ≤10 CFU/cm²) kuona kuti mitemo yehutsanana yazadzikiswa.
Mhedziso: Kukosha Kwakakosha Kwemaketani Anotenderera Ehutsanana
Hutsanana nekuchengetedzeka kwemichina yekugadzira chikafu ipurojekiti yakarongeka. Sechikamu chikuru chekutumira chikafu, kutevedzera maroller chain kunosarudza zvakananga kuchengetedzeka kwechikafu chekupedzisira. Kutevedzera mitemo yepasi rose mukusarudza zvinhu, dhizaini yezvivakwa zvisina musono, uye kugadzirisa kwakajairika hakungoderedzi njodzi yekusvibiswa chete asiwo kunoita kuti pave nekuvandudzwa kaviri mukuchengetedzeka kwechikafu uye kushanda zvakanaka kwekugadzira nekuderedza nguva yekuchenesa uye kuwedzera hupenyu hwebasa. Kusarudza maroller chain ane hutsanana akasimbiswa neEEDG neFDA zvinovaka chipingamupinyi chekutanga uye chakakosha chehutsanana kumakambani ekugadzira chikafu.
Nguva yekutumira: Mbudzi-21-2025