Ọkpụkpọ ígwè weldedna-ekewa abụọ iche iche dị ka ya ịgbado ọkụ onuete udi- ogologo onuete nchara anwụrụ na gburugburu ígwè anwụrụ.

Steel pipe seam porosity na-emetụta ọ bụghị naanị njupụta nke ọkpọkọ welds, na-akpata ntanye pipeline, ọ ga-aghọkwa ebe corrosion na-ebute, na-ebelata ike weld na ike siri ike.

Weld porosity ihe ndị bụ: ntugharị nke mmiri, unyi, na ígwè oxide, ọkpụrụkpụ nke welded components na mkpuchi, na elu àgwà nke ígwè mpempe akwụkwọ nhazi efere n'akụkụ, ịgbado ọkụ usoro na ọkpọkọ akpụ usoro na na.

Usoro njikwa mkpa dị ka n'okpuru:

1.A flux components.Mgbe nwere ihe kwesịrị ekwesị ego nke CaF2 na SiO2, na ịgbado ọkụ nhazi ga-amịkọrọ buru ibu nke H2, na igbanye HF nke na a elu kwụsie ike na-adịghị etisasịwo na mmiri mmiri metal, si otú egbochi guzobe hydrogen gas. oghere.

2.Accumulation ọkpụrụkpụ nke flux bụ n'ozuzu 25-45mm.Mgbe Flux bụ na nnukwu urughuru ogo na obere njupụta, buru kacha mkpokọta ọkpụrụkpụ, ebe kacha nta uru;elu ugbu a, obere ịgbado ọkụ ọsọ na-na kacha ọkpụrụkpụ, ebe kacha nta uru.E wezụga nke ahụ, mgbe n'oge okpomọkụ ma ọ bụ ụbọchị iru mmiri dị elu, a ga-ehichapụ mgbake tupu ejiri ya.

3 Ngwọta elu igwe.Iji zere ikpochapụ ígwè oxide na irighiri ihe ndị ọzọ na-adaba n'ime usoro ịkpụzi, ekwesịrị ịtọlite ​​​​ihe nhicha osisi.

4 Ngwọta nsọtụ efere igwe.Ekwesịrị ịtọ ngwaọrụ iwepụ nchara na burrs n'akụkụ efere ígwè iji belata ohere nke ịkpụpụta porosity.Ebe kacha mma iji wụnye ngwaọrụ doro anya dị nso na igwe igwe na-egwe ọka diski, nhazi nke ngwaọrụ ahụ bụ wiil waya na-arụ ọrụ mgbe ọnọdụ abụọ nwere ike ịhazigharị ala, elu na ala n'akụkụ efere mkpakọ.

5 profaịlụ ahịrị ịgbado ọkụ.Ụdị ihe ịgbado ọkụ dị obere, ọdịdị weld dị warara ma dị omimi, gas na nsonye adịghị mfe ịpụpụ ma dị mfe ịmepụta pores na slag.Njikwa ihe nleba anya zuru oke na 1.3-1.5, ọkpọkọ nwere mgbidi na-ahọrọ uru kachasị, yana uru kacha nta nke obere mgbidi.

6 Ibelata oghere ndọta nke abụọ.Iji belata mmetụta nke ndọta ndọta, ọnọdụ njikọ na workpiece kwesịrị ịpụ n'akụkụ akụkụ nke eriri ịgbado ọkụ iji zere oghere ndọta nke abụọ eme na workpiece.

7 Teknụzụ:Kwesịrị n'ụzọ kwesịrị ekwesị belata ịgbado ọkụ ọsọ ma ọ bụ mụbaa ugbu a, si otú na-egbu oge na crystallization ọnụego nke weld metal bath, iji mee ka ọ dị mfe ịhapụ gas, ma ọ bụrụ na nnyefe ọnọdụ bụ ejighị n'aka, warara kwesịrị ịgbanwe n'oge iji kpochapụ na axle n'ihu site na ịkpụgharị ugboro ugboro ma ọ bụ na-edozi akwa akwa, na-eme ka gas gbanarị ihe siri ike.