Akwai nau'ikan safofin hannu masu yankewa da yawa, waɗanda tsarin gwaji na yau da kullun ke sarrafa su. Gabaɗaya, kasuwar yanzu ɗaya ceYanke mai jure-kayana ƙa'idodin Turai don kare lafiyar safofin hannu na samar da masana'antu EN388, wanda Cibiyar Kula da Al'ada ta Turai (CEN) ta amince da ita a ranar 2 ga Yuli, 2003 bisa ga sabon sigar EN388: 2003. Wannan ma'auni yana ba da ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai, hanyoyin gwaji, sigina da jagorar don kare aminci na lalacewar tunani na safofin hannu masu kariyar aiki a yawancin sassan safar hannu mai amfani da ma'aunin EN420.Yanke mai jure-kaya
Abubuwan gwajin asali guda huɗu na wannan ma'auni sune:
Saka safofin hannu na juriya albarkatun kayan juriya ga ci gaba da jujjuyawar jujjuyawa;Yanke mai jure-kaya
Yawan sau da albarkatun kasa na yankan safofin hannu masu jurewa yana da tsayayya ga fiber Laser sabon abubuwa;
Juriya wanda shine yaga buɗa rami a cikin albarkatun safar hannu dole ne ya zama nawa kuɗin da kamfani ke tilastawa;
Juriyar huda shine ƙarfin da ake buƙata don huda tafin hannu tare da gyaran kafa.
A. Wear juriya gwajin: hudu madauwari safar hannu albarkatun kasa samfurori (6.45 cm²) Ana shafa karkashin wani sananne matsa lamba (9 kPa), kuma kowane samfurin da aka gwada ga 100, 500, 2000 da 8000 bi da bi. Ana ƙididdige darajar aikin bisa ga adadin jujjuyawar coil bayan gwaje-gwaje huɗu. Misali, idan aka gwada danyen A, idan ya lalace bayan an shafa shi sau 500, matakin juriya na wannan danyen A shine matakin 1, da sauransu;
B. Gwajin juriya na yanke: an gwada samfuran guda biyu a ƙarƙashin ƙarfi mai dorewa na ƙayyadaddun Copernicus 5, kuma an kafa matakin gwargwadon adadin jujjuyawar murɗa kafin yanke;
C. Gwajin juriya: An yanke samfurori huɗu daga tafin safofin hannu huɗu. An gwada biyu daga cikinsu ta hanyar yatsa zuwa hannun hannu, sauran biyun kuma an gwada su ta hanyar fadin dabino don auna daidai ƙarfin yayyaga samfuran a gudun 100 mm / min.
D. Gwajin juriya na huda: Dangane da masana'anta na arylon fiber 1414, an yi amfani da samfurori huɗu da aka yanke daga tafin hannun safofin hannu huɗu don auna daidai girman ƙarfin Copernican na kusoshi na ƙarfe wanda ke huda samfuran a cikin saurin 100 mm / min.
Gabaɗaya an kasu safofin hannu masu yankewa zuwa iri biyu. Daya da ake amfani da aminci rigakafin a masana'antu samar, wanda shi ne ya fi na kowa a abinci injiniya, Biotechnology, lantarki masana'antu, masana'antu kayan aiki kariya rigakafin, masana'antu samar da tauri gilashin, da dai sauransu sauran shi ne 'yan sanda kayan aiki irin aminci safar hannu, amfani da girgizar kasa taimako da kuma girgizar asa. ceto, ceton wuta da sauransu.
Ana amfani da safofin hannu da aka yanke da yawa azaman albarkatun ƙasa guda uku
1, fiber aramid (Kevlar): aramid fiber ne mai lipid zobe acrylic emulsion kayayyakin, roba fiber primary launi ne haske rawaya, karfi da haske nauyi, sassauci, dangane da jima'i a cikin net nauyi na karfe 5 sau karfi, harshen wuta retardant, ba sauƙin narkewa a babban zafin jiki. Saboda haka, ya fi dacewa da ma'aikatan filin, kamar: masana'antu, masana'antu samar da baka Laser waldi, gilashin zurfin aiki da sauransu.
2, high tauri polyethylene fiber (Di Malegobi): ƙarfin hali, haske nauyi, mai kyau yarda, mai kyau lalacewa juriya, kananan gogayya, high lalacewa juriya, ne guda sashe na bakin karfe waya fiye da sau goma. An yafi amfani da high lalacewa-resistant samar da masana'antu filin ma'aikata, kamar: Tantancewar fiber Laser sabon samar da sarrafa karfe kayan, jiki shigarwa, hardware mold aiki tsari da sauransu.
3, bakin karfe waya da polyester fiber masana'anta zane hannun saƙa: bakin karfe waya safar hannu da manyan ƙwararrun ikon hana yankan, dace da warware wuka gefen mutum albarkatun management aiki tsari, ban da aikace-aikace a fagen samar da abinci da kuma masana'anta, amma kuma ana amfani dashi don kare ikon cizon dabba.
Kamar yadda ake iya gani daga albarkatun kasa na safofin hannu masu yankewa, kawai yankewar tsarin aikin sarrafa kayan aikin ɗan adam yana warwarewa, idan yana da babban suturar fiber Laser yankan ba lallai ba ne.
Don gwajin anti-yanke, an ɗauki samfurin a cikin tafin hannun hannu, kuma an yanke Laser fiber da baya da baya tare da mai jujjuya abin yankan ƙarfe na tungsten, kuma an rubuta rabon saurin da ake buƙata don yanke ta samfurin don kwatantawa. sakamakon daidaitattun samfuran masana'anta na auduga don gwajin tabbatarwa da yawa. Mafi girman maƙasudin ƙididdigewa, ƙarfin aikin hana yanke ya kasance. Duk da haka, gwajin juriya da yanke ba ya shafi kayan aiki mai wuyar gaske.
Babban tauri polyethylene fiber yanke don cimma matakan 5, fiber aramid shine matakan 4 zuwa 5. Gabaɗaya, fibers ɗin da ɗan adam ya yi ya fi na halitta, duk samfuran fata na collodion sun fi kyau, samfuran fata sun fi ƙarfin katifa na latex na halitta.
Lokacin aikawa: Satumba-26-2022