Baya ga yin amfani da shi wajen hako mai, ana kuma iya amfani da bututun mai wajen safarar albarkatun mai. Don haɓaka ingancin rumbun mai, kowane hanyar haɗin gwiwa a cikin tsarin samarwa yana da mahimmanci musamman, musamman kula da zafin jiki a lokacin, wanda dole ne a bi shi sosai. Ƙwarewar ƙa'idodi. A al'ada, man fetur casing rungumi dabi'ar sub-zazzabi quenching hanya maimakon talakawa quenching hanya, domin talakawa quenching Hanyar zai bar babban adadin saura danniya a cikin workpiece, game da shi fadada da brittleness da kuma yin m aiki kasa dace. Ƙarƙashin zafin jiki shine don hana ɓarnawar tulin mai daga wuce gona da iri daga aiki na gaba. Babban hanyar aiki shine fara zaɓar zafin zafin jiki don rage zafin jiki, yawanci tsakanin 740-810 ° C, kuma lokacin dumama gabaɗaya kusan mintuna 15 ne. Bayan quenching, ana yin zafi. Lokacin zafi don zafin jiki shine minti hamsin, kuma zafin jiki ya kamata ya zama 630 ° C. Tabbas, kowane nau'in karfe yana da yanayin zafi da lokacin zafi yayin maganin zafi. Muddin zai iya inganta aikin aikin aikin, to, maganin zafi yana cimma manufar.

Maganin zafi shine mafi mahimmancin tsari a cikin sarrafa rumbun man fetur. Ko aikin da ingancin ƙãre samfurin na iya saduwa da ma'auni ya dogara da sakamakon maganin zafi. Sabili da haka, kowane masana'anta yana da ƙayyadaddun buƙatu don tsarin kula da zafi kuma kada ku yi watsi da shi. Wani lokaci ana iya amfani da ƙarancin zafin jiki don quenching. Ƙunƙarar zafin jiki na iya kawar da saura damuwa na rumbun mai. Yana ba kawai rage matakin nakasawa na workpiece bayan quenching amma kuma tafiyar da man casing a cikin albarkatun kasa mafi dace da daga baya matakai. Saboda haka, nasarorin da ake samu a yanzu na rumbun mai ba su da bambanci da maganin zafi. Tun lokacin da aka gabatar da tsarin maganin zafi, ko tasirin tasiri ne, aikin hana lalata, ko ƙarfin juzu'i na rumbun mai, an sami babban ci gaba. inganta.