Akwai nau'ikan walda mai juriya da wutar lantarki (erw), kuma akwai nau'ikan walda guda uku, walda ta kabu, waldar gindi da walƙiyar tsinkaya.

Na farko, tabo waldi
Spot walda wata hanya ce ta walƙiya juriya ta wutar lantarki inda ake haɗa walda a cikin haɗin gwiwa a cinya kuma a danna tsakanin igiyoyin igiya guda biyu don narkar da tushe ta hanyar juriya na lantarki don samar da haɗin gwiwa.Ana amfani da walƙiyar Spot don walƙiya ta bakin ciki.

Tsarin waldawa tabo:
1. Preloading don tabbatar da kyakkyawar lamba tare da workpiece.
2. Ƙaddamarwa, don haka an kafa weld a cikin ƙugiya da zobe na filastik.
3. Workingarfin da ya jijewa, saboda Nugget yayi sanyi da lu'ulu'u, da kuma samar da haɗin gwiwa tare da ingantaccen tsari, babu rami mai ƙarfi da crack.

Na biyu, kabu waldi
Ana amfani da walda ɗin kabu don waldar walda waɗanda ke da ɗanɗano na yau da kullun kuma suna buƙatar hatimi.Kaurin haɗin gwiwa gabaɗaya bai wuce 3 mm ba.

Na uku, waldar gindi
Waldawar butt wata hanya ce ta juriya wacce aka yi wa bututun gami da 35Crmo gami da dukkan fuskar lamba.

Na hudu, tsinkayar walda
Hasashen walda wani nau'in walda ne na tabo;akwai ɓangarorin da aka riga aka kera akan kayan aiki, kuma ana iya kafa ɗaya ko fiye da ƙugiya a haɗin gwiwa a lokaci guda.