Zaɓin madaidaicin nau'in injin fashewar harbi yana buƙatar cikakken la'akari da siffa, girman, abu, buƙatun sarrafawa, ƙarar samarwa, farashi da sauran abubuwan aikin. Waɗannan su ne wasu nau'ikan na'urori masu fashewa da aka yi amfani da su:
Kara karantawaAna iya gwada tasirin tsaftacewa na injin fashewar fashewa ta hanyoyi masu zuwa: 1. Duban gani: Kai tsaye lura da saman kayan aikin don bincika ko an cire ƙazanta kamar sikeli, tsatsa, datti, da sauransu kuma ko saman ya kai tsaftar da ake sa ran. Bincika roughness na workpiece surface domi......
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