1. Nleba anya nkeikiaka ọkpọkọ oyiyi akwa: n'ozuzu, nyocha anya gba ọtọ bụ ụzọ bụ isi. Site na nlele anya, ọ nwere ike ịhụ ntụpọ ọdịdị nke ọkpọkọ ọkpọkọ ịgbado ọkụ, ma mgbe ụfọdụ, a na-eji iko 5-20 na-ebuli elu mee nyocha. Dị ka ọnụ ata ahụhụ, porosity, ịgbado ọkụ etuto ahụ, elu cracks, slag nsonye na penetration, wdg The udi akụkụ nke weld nwekwara ike tụrụ site ịgbado ọkụ detector ma ọ bụ sample.

2. Nnyocha na-adịghị emebi emebi nke ọkpọkọ ọkpọkọ: nyocha nke slag, porosity, cracks na ntụpọ ndị ọzọ zoro ezo na weld. Nyocha X-ray bụ iji X-ray were foto nke eriri ịgbado ọkụ, dị ka echiche na-adịghị mma iji chọpụta ma enwere ntụpọ dị n'ime, ọnụọgụ na ụdị ntụpọ. Ugbu a nke a na-ejikarị eme ihe bụ nhọrọ nke nyocha X-ray, yana nyocha ultrasonic na nyocha magnetik. Mgbe ahụ, dị ka ngwaahịa nka chọrọ iji mata ma weld ruru eru. N'ebe a, ebili mmiri na-egosipụta na-apụta na ihuenyo. Dị ka ntụnyere na njirimara nke ebili mmiri ndị a na-egosipụta na ebili mmiri nkịtị, enwere ike ikpebi nha na ebe ntụpọ ahụ. Nchọpụta ntụpọ nke Ultrasonic dị mfe karịa X-ray, ya mere a na-eji ya eme ihe. Otú ọ dị, nyocha ultrasonic nwere ike ikpe ikpe site na ahụmahụ ọrụ, na enweghị ike ịhapụ ntọala nyocha. A na-eziga ultrasonic beam site na nyocha n'ime ígwè ahụ, mgbe ọ na-erute n'ikuku ígwè-ikuku, ọ na-atụgharị ma na-agafe na weld. Ọ bụrụ na enwere ntụpọ na weld, ultrasonic beam ga-egosipụta na nyocha ahụ ma buru ya, n'ihi na ntụpọ dị n'ime ala nke weld ahụ adịghị omimi na ọdịdị nke obere mgbawa ahụ, a pụkwara iji nchọpụta ntụpọ magnet mee ihe.

3. The n'ibu Njirimara nke ikiaka ọkpọkọ ule: nondestructive ule nwere ike ịhụ pụta ụwa ntụpọ nke weld, ma ike dokwuo anya n'ibu Njirimara nke metal na okpomọkụ emetụta mpaghara nke weld, otú mgbe ụfọdụ ime ka esemokwu, mmetụta, ekwe na nnwale ndị ọzọ na nkwonkwo welded. A na-eme nnwale ndị a site na bọọdụ nnwale. A na-ejikọta efere ule a na-eji kacha mma yana eriri ogologo nke cylinder iji hụ na ọnọdụ ihe owuwu na-agbanwe agbanwe. Mgbe ahụ, a na-anwale ihe eji arụ ọrụ nke efere ule. Na omume, naanị nkwonkwo ịgbado ọkụ nke ígwè ọhụrụ ka a na-anwale na nke a.

4. Nnwale nrụgide ọkpọkọ na ule nrụgide: n'ihi na ihe mkpuchi ụgbọ mmiri na-achọ, ule nrụgide mmiri na (ma ọ bụ) ule nrụgide, iji lelee ike nkedo na nrụgide nke weld. Usoro a bụ ịgbanye 1.25-1.5 ugboro nrụgide na-arụ ọrụ nke mmiri ma ọ bụ hà nhata nrụgide ọrụ nke gas (ọtụtụ n'ime ikuku) n'ime akpa ahụ, nọrọ ruo oge ụfọdụ, wee nyochaa nrụgide nrụgide n'ime akpa ahụ, wee nyochaa ma e nwere ntapu n'èzí, dị ka ndị a nwere ike ịchọpụta ma weld ahụ ruru eru.