A matsayin kayan aiki na yau da kullum ga yara, ingancin jakunkuna ba kawai yana da alaka da lafiyar jiki ba, har ma da lafiyar rayuwarsu. Hakki ne da wajibcin kowane mutum mai inganci don gudanar da ingantacciyar dubawa da gwajin jakunkuna da kuma kiyaye amincin kayan ɗalibi.
Mahimman kalmomi na wannan labarin: duba jakunkuna, duba jakar baya
01. Matsayin dubawa
Binciken jakunkuna na ɗalibi gabaɗaya ya ɗauki ƙa'idar QB/T 2858-2007 “Jakankunan ɗalibai”, wanda ya dace da sanya littattafan koyarwa, kayan aikin koyarwa, da kayan ɗalibi, da madaurin kafaɗa ɗaya da biyu da jakunkuna masu ɗaukuwa. A cikin takamaiman dubawa da gwaji, ƙayyadaddun tushen da ke akwai ya haɗa da: GB/T 2912.1 “Ƙaddarar Formaldehyde a cikin Yadudduka - Sashe na 1: Formaldehyde na Hydrolyzed Kyauta (Hanyar Haɗin Ruwa)”, GB/T 3920 “Gwajin saurin Launi don samfuran Yadi - Saurin launi zuwa Rubbing", GB 6675-2003 "National Toy Safety Technical Specificification", GB 21207-2007 "General Safety Bukatun for Student Supply" QB/T 3826 "Hanyar gwajin lalata juriya don suturar ƙarfe da sinadarai da aka bi da su na samfuran masana'antu haske Hanyar gwajin gishiri (NSS)", QB / T 3832 "Kimanin sakamakon gwajin lalata don suturar ƙarfe na samfuran masana'antu haske", da dai sauransu.
02. Abubuwan dubawa da hanyoyin
Maɓallin maɓalli don ingantacciyar duba jakunkunan ɗalibi sun haɗa da ɗaukar nauyi, nakasawa, ƙarfin ɗinki, saurin launi zuwa gogayya, aminci na kayan haɗi, da abun ciki na formaldehyde na kayan haɗin masana'anta. Bugu da ƙari, ya kamata a ba da hankali ga jin dadi na baya lokacin amfani da jakar baya, da kuma sauƙi na amfani da madauri da ƙuƙwalwa.
Baya ga batun duba kaya, akwai abubuwa da yawa da za a ba da kulawa ta musamman wajen duba jakunkuna. Abubuwan da ake buƙata sun ɗan bambanta: buƙatun bayyanar - ingancin bayyanar da jakar baya ya kamata ya bi ka'idoji masu zuwa: bayyanar gaba ɗaya, cikakken siffar, layi mai tsabta, lebur da santsi mai laushi, madaidaiciya, da tsabta gaba ɗaya. Zipper, tare da daidaitaccen tazarar gefen baki, madaidaiciyar dinki, babu ɓacewa ko ɓacewar haƙora, da jan hankali da rufewa. Na'urorin haɗi da shigarwa yakamata su kasance da santsi, mai haske kuma babu ragowar tsatsa, platin da aka rasa, ramukan allura, ƙumburi, kwasfa, da cirewa. Ya kamata a shigar da na'urorin haɗi da ƙarfi. Suture Lines ya kamata su dace da ingancin masana'anta da suturar da aka yi amfani da su, tare da inganci da launi daidai da kowane sashi. Yaduwar bai kamata ya sami karyewar wargi ko saƙa ba, kuma kada ya tsallake zaren, zaren, alamomi, tabo, ko lahani. Siffar bugu na buƙatar bayyanannun alamu, launuka masu haske, daidaitaccen bugu, babu tawada mai gudana ko fallasa, kuma babu faɗuwar launi. Suture dinki yakamata yayi daidai da zaren sama da na kasa, tare da madaidaiciyar dinki da daidaiton tazarar allura. Ba a ba da izinin ɗikin fanko ko tsallake-tsallake akan babban saman gaba da murfin gaban jakar littafin. Ba a yarda da surkulle mai tsayin da ya wuce 12mm ba. Samfurin guda ɗaya bai kamata ya kasance yana da allura mara komai fiye da ɗaya ko allura da ya ɓace ba, kuma bai wuce allura mara komai ba, ko allura da suka ɓace, ko allura da aka tsallake.
Gwajin ɗaukar kaya - Gwajin ɗaukar kaya don jakunkuna na ɗalibi yana buƙatar kada hannun, madauri, madauri na daidaitawa, da ƙugiya kada su faɗi ko karya ƙarƙashin ƙayyadaddun kaya, kuma jikin jakar kada ya fashe.
Bukatun nauyi sune kamar haka:
Ƙayyadaddun Lambar Serial (tsawo)/mm Load/kg1＜30032300-400 (ban da 400) 53400-50074：50010
Gwajin Swing - An ɗora jakar baya bisa ga ka'idoji, kuma ana gwada madauri da hannayen hannu daban: rataye a cikin iska, madauri suna cikin mafi tsawo, ko daidaita nisa daga ma'aunin lilo zuwa 50cm-60cm, yin 30 sau (swing). gaba da baya kamar lokaci 1), kuma kusurwar juyawa shine (60 ± 3) °. Bayan an daina lilo, duba ko madaurin jakar baya, hannaye, madaurin daidaitawa, da ƙugiya suna amintacce. Auna ko lalacewar bangaren haɗin kai ya wuce 20% idan aka kwatanta da tsayin asali a cikin mintuna 2. Gwajin juzu'i da juzu'i - Auna tsawon abubuwan da ke aiki azaman hanyoyin haɗin gwiwa akan jakar baya. Ya kamata a ɗora nauyin jakar baya sau 1.2 na nauyin da aka ƙayyade, an dakatar da shi a cikin iska (tare da madauri a cikin mafi tsawo jihar), kuma kasan jakar baya ya kamata ya zama 60cm sama da ƙasa (tare da katako mai wuyar gaske), don haka ya kasance daidai. annashuwa kuma a cikin a tsaye kuma madaidaiciya. Bayan minti 30, sauke a tsaye kuma duba idan madauri, hannaye, madauri na daidaitawa, da sarƙoƙi suna amintacce. Auna tsawon madauri, hannaye, madauri na daidaitawa, da ƙuƙumma waɗanda ke aiki azaman haɗin kai a cikin mintuna 2, kuma bincika idan nakasar ta wuce 20% idan aka kwatanta da tsayin asali.
Lokacin aikawa: Mayu-15-2023