Akwai 5 main sigogi nakarfe kumfaabu:

1. karfe tushe abu, wato, dakarfe porous kumfakayan da aka yi da karfe, a halin yanzu, babban bincikenmu da haɓakawa da samar da kayannickel kumfa, jan karfe, baƙin ƙarfe, ƙarfe-nickel gami, jan ƙarfe-nickel gami, da kuma nau'ikan jiyya na yanayin zafi na kayan kamar chromium infiltration.

2. kauri, a halin yanzu, kayan da aka bayar duk kayan takarda ne, kewayon kauri shine 0.7mm-25mm.

3. PPI, Sinanci don adadin ramukan da inch, ma'auni shine ma'auni na musamman na kayan soso na kumfa, yana nuna adadin soso na inch ta tsawon nisa ta hanyar kai tsaye, ganewar ganewa shine mafi girman darajar PPI, ƙarami. Ana iya ganin ramukan da ke saman kayan tare da ido tsirara, yanzu mun fi samar da 10PPI zuwa 140PPI tsakanin kayan, dangane da iyakokin soso substrate, PPI sigogi a increments na 10, kamar Mun samar 10, 20, 30, 40 da sauran PPI sigogi na kayan, amma ba su samar da PPI na 23, 38 da sauran kayan.

4. yawa, yawa an raba zuwa girma yawa da kuma surface yawa, girma yawa ne nauyi na kayan a cikin wani ƙayyadadden girma, kamar 1000g / m3, surface yawa ne nauyin samfurin a cikin wani ƙayyadadden yanki a karkashin ƙayyadadden kauri, kamar kauri 10mm, 1600g/m2; yawa yana ƙayyade ƙarfin kayan.

5. yanki, a halin yanzu, yanki na gama gari guda ɗaya da aka ba da shi har zuwa 500X500mm, (sai dai yawan samar da kayan ci gaba da tsiri, sauran sigogi suna buƙatar samun tsari mai tsayi, muna tsara sabon kayan aiki).

Idan kuna buƙatar siyan samfuran ƙarfe na kumfa, dole ne ku fara ƙayyade sigogi biyar na sama don tantance takamaiman ƙayyadaddun ƙayyadaddun ƙayyadaddun kayan aikin kumfa.