Karfe Ba Daidai Ba
Karfe na kwana mara daidaito za a iya raba shi zuwa nau'i biyu: kauri mara daidaito da kauri mara daidaito.
GB / T2101-89 (Gaba ɗaya tanade-tanade don karɓar sashe na ƙarfe, marufi, alama da takaddun shaida masu inganci);GB9787-88/GB9788-88 (zafi-birgima daidai gwargwado / madaidaicin kusurwar kusurwar ƙarfe girman, siffar, nauyi da karkatacciyar yarda);JISG3192- 94 (siffa, girman, nauyi da kuma jure wa zafi-birgima sashe karfe);DIN17100-80 (ma'auni mai inganci don ƙarfe na yau da kullun);ГОСТ535-88 (fasaha yanayi ga talakawa carbon sashe karfe).
Dangane da ka'idodin da aka ambata a sama, za a ba da kusurwoyi marasa daidaituwa a cikin damfara, kuma adadin daɗaɗɗen da tsayi iri ɗaya za su bi ka'idodin.Ƙarfe na kusurwa marar daidaituwa yawanci ana isar da shi tsirara, kuma wajibi ne a kula da tabbatar da danshi yayin sufuri da ajiya.
Karfe Angle-Akwai nau'ikan karfen kusurwa guda biyu daidai da karfe mara daidaituwa.Ƙayyadaddun ƙayyadaddun ƙarfe na kusurwa marar daidaituwa yana bayyana ta hanyar girman tsayin gefe da kauri na gefe.Yana nufin karfe tare da sashin giciye na kusurwa da tsayi marasa daidaituwa a bangarorin biyu.Wani nau'in karfe ne na kusurwa.Its gefen tsawon jeri daga 25mm × 16mm zuwa 200mm × 125mm.Mirgina da injin mirgina mai zafi.Karfe kusurwa mara daidaituwa ana amfani dashi sosai a cikin sassa daban-daban na ƙarfe, gadoji, masana'antar injina da masana'antar gini.
