Da farko, kafin zaɓin rawar soja, duba bakin karfekarfe flangesarrafa wuya menene?Gano wahalar na iya zama daidai sosai, da sauri don nemo amfani da ɗigon rawar soja.Menene matsaloli a cikibakin karfe flangesarrafa?Brief sanda wuka: bakin karfe sarrafa guntu mai ƙarfi da tauri, yankan zafin jiki yana da girma sosai.Lokacin da karfi guntu kwarara ta gaban wuka surface, zai kai farmaki bonding, Fusion waldi da sauran m sabon abu, shafi surface haske na aiki sassa;Ƙarfafa aiki yana da tsanani.

A cikin cin abincimanyan flanges, akwai abubuwa da yawa da suka shafi aikinmanyan flanges, abubuwan da ke biyo baya mun faɗi wasu abubuwa na gama gari, na farko shine zafin jiki mai banƙyama (zazzabi mai raɗaɗi shine ma'aunin zafin jiki na firamare da samfuri bi da bi, lokacin da kashi 50 cikin ɗari na firamare da jerin abubuwan da suka dace da shi shine zazzabi na ƙwayoyin DNA masu ɗaure biyu.
Yana da mafi mahimmancin al'amari da ke shafar KYAUTA na PCR.A cikin yanayin buri, zafin jiki na annealing yana da ƙarancin isa don tabbatar da cewa firam ɗin yana da amfani don kashewa tare da jerin abubuwan da aka yi niyya, kuma yana da girma tare don rage ƙayyadaddun ƙayyadaddun, bi da bi.Madaidaicin zafin zafin jiki daga 55 zuwa 70 an saita gabaɗaya don zama ƙasa da 5 ƙasa da Tm na farkon.