An sabunta ƙa'idar Turai don safofin hannu na kariya, EN 388, a ranar 4 ga Nuwamba, 2016 kuma a yanzu tana kan aiwatar da amincewa da kowace ƙasa memba.Masu kera safar hannu da ke siyarwa a Turai suna da shekaru biyu don biyan sabon ma'aunin EN 388 2016.Ba tare da la'akari da wannan lokacin daidaitawa ba, yawancin manyan masana'antun za su fara amfani da alamun EN 388 da aka sabunta akan safar hannu.
A halin yanzu, akan yawancin safofin hannu masu juriya da aka sayar a Arewacin Amurka, zaku sami alamar EN 388.EN 388, mai kama da ANSI/ISEA 105, shine ƙa'idar Turai da ake amfani da ita don kimanta haɗarin injina don kariyar hannu.Safofin hannu masu kimar EN 388 an gwada wasu na uku, kuma an ƙididdige su don abrasion, yanke, yage, da juriya.An ƙididdige juriya 1-5, yayin da duk sauran abubuwan aikin jiki ana ƙididdige su 1-4.Har zuwa yanzu, ma'aunin EN 388 yana amfani da "Gwajin Juyin Mulki" kawai don gwada juriyar yanke.Sabuwar ma'aunin EN 388 2016 yana amfani da duka "Gwajin Juyin Mulki" da "Gwajin TDM-100" don auna juriya don ingantacciyar maki.Har ila yau an haɗa su cikin ƙa'idodin da aka sabunta shine sabon gwajin Kariyar Tasiri.
Hanyoyi biyu na Gwaji don Yanke Kariya
Kamar yadda aka tattauna a sama, mafi mahimmancin canji zuwa ma'aunin EN 388 2016 shine haɗakar da tsarin gwajin yanke ISO 13997.ISO 13997, wanda kuma aka sani da "Gwajin TDM-100", yayi kama da hanyar gwajin ASTM F2992-15 da aka yi amfani da su a cikin ma'aunin ANSI 105.Duk ma'auni biyu yanzu za su yi amfani da injin TDM tare da ruwan zamewa da ma'aunin nauyi.Bayan shekaru da yawa tare da hanyoyi daban-daban na gwaji an gano cewa ruwan da aka yi amfani da shi a cikin "Gwajin Juyin Mulki" zai yi sanyi da sauri lokacin da aka gwada yadudduka masu girman gilashi da zaren karfe.Wannan ya haifar da ƙima mai ƙima mara dogaro, don haka buƙatar haɗawa da "Gwajin TDM-100" zuwa sabon ma'aunin EN 388 2016 yana da ƙarfi sosai.
Fahimtar Hanyar Gwajin ISO 13997 (Gwajin TDM-100)
Don bambance tsakanin maki biyun yanke waɗanda za a samar a ƙarƙashin sabon ma'aunin EN 388 2016, ƙimar yanke da aka cimma ta amfani da hanyar gwajin ISO 13997 za a ƙara wasiƙa zuwa ƙarshen lambobi huɗu na farko.Wasiƙar da aka sanya za ta dogara da sakamakon gwajin, wanda za a ba da shi cikin Sabbin ton.Tebur zuwa hagu yana zayyana sabon ma'aunin alpha da aka yi amfani da shi don ƙididdige sakamakon daga hanyar gwajin ISO 13997.
Canjin Newton zuwa Gram
PowerMan yana gwada duk safofin hannu masu juriya tare da injin TDM-100 tun daga 2014, wanda shine (kuma ya kasance) mai yarda da sabuwar hanyar gwaji, yana ba mu damar canzawa cikin sauƙi zuwa sabon ma'aunin EN 388 2016.Teburin da ke gefen hagu yana kwatanta yadda sabon ma'aunin EN 388 2016 yanzu yake cikin layi tare da ma'aunin ANSI/ISEA 105 don yanke juriya yayin canza Sabbin ton zuwa grams.
Sabuwar Gwajin Kariyar Tasiri
Ma'aunin EN 388 2016 da aka sabunta zai kuma haɗa da gwajin kariyar tasiri.An yi nufin wannan gwajin don safar hannu da aka tsara don kariya daga tasiri.Safofin hannu waɗanda ba su bayar da kariya ta tasiri ba za a yi wannan gwajin ba.Don wannan dalili, akwai yuwuwar ƙima guda uku waɗanda za a ba su, bisa wannan gwajin.
Lokacin aikawa: Nov-04-2016