Ruh darajasining ishchi yuzini tekshirish
Ruxsatning ishchi yuzasida chiqishlarga yo'l qo'yilmaydi va uning tekisligi 6-10-54-jadvaldagi talablarga javob berishi kerak. Ishchi yuzning uzunligi 150-200 250-300, tekislik og'ishi esa<0.003 <0.005. For the grinding and grinding working face, the flatness is verified by the zero-level knife-edge ruler whose size is not less than the length of the inspected face, and the light gap method is used for verification , this verification work should be carried out at several positions in the longitudinal, transverse and diagonal directions of the working face. The largest gap seen is the flatness deviation of the surface. When estimating the size of the gap, it can be compared with the standard gap composed of gauge blocks.
Chiqib ketgan ishchi yuzaning tekisligi uchun rang berish usuli bilan sinovdan o'tkazish uchun nol darajali tekis plastinkadan foydalaning. Yon uzunligi 25 mm bo'lgan kvadrat maydondagi dog'lar soni 0 bo'linish qiymatiga ega bo'lgan daraja uchun 25 balldan kam bo'lmasligi kerak.02 dan 0.{{ 10}}5mm/m va boʻlinish qiymati 0,06 dan 0,10mm/m gacha boʻlgan daraja uchun 20 dan kam boʻlmasligi kerak Dogʻlar bir tekis taqsimlanishi kerak.
V shaklidagi ishchi yuzaning tekisligi tekshirish mandreli bilan bo'yash usuli bilan tekshiriladi. Qizil qo'rg'oshin kukuni bilan qoplangan mandrelni aylantirish uchun V shaklidagi yuzaga qo'ying va V shaklidagi sirtda ko'rinadigan aloqa chizig'ining 10 mm dan ortiq uzilishga ega bo'lishiga yo'l qo'yilmaydi.
