Dalilai da ma'auni na bututu walda porosity

Weld bututu walda porosity ba kawai rinjayar bututun yawa, sakamakon yayyo bututu da lalata za a jawo batu da tsanani rage walda ƙarfi da taurin.Factors weld porosity su ne: juyi a cikin ruwa, datti, oxide da baƙin ƙarfe filings, walda sinadaran da murfin kauri, surface ingancin karfe da karfe gefen faranti sarrafa, walda fasahar da karfe gyare-gyaren tafiyar matakai.

 

Matakan rigakafi masu alaƙa:

1. Flux sinadaran.CaF2 da SiO2 dauke da adadin walda mai dacewa, abin da zai faru zai sha babban adadin H2, yana haifar da babban kwanciyar hankali na HF wanda ba zai iya narkewa a cikin ƙarfe na ruwa, don haka hana samuwar ramukan hydrogen gas.

2. The girma kauri na juyi ne kullum 25-45mm, babban solder barbashi size, girma yawa sa'a dauki matsakaicin kauri, alhãli kuwa m darajar;babban halin yanzu, ƙarancin saurin walda yana ɗaukar matsakaicin kauri, yayin da mafi ƙarancin ƙimar ƙari, lokacin rani ko iska, ya kamata a bushe murmurewa kafin amfani.

3. Fayil ɗin ƙarfe da aka bi da shi.Don guje wa ƙera sikelin oxide da sauran tarkace cikin aikin gyare-gyare, yakamata a saita allon na'urar tsaftacewa.

4. Karfe farantin baki sarrafa.Karfe farantin gefen ya kamata a saita tsatsa da burr cire na'urar don rage yuwuwar ƙarni na ramuka.Cire na'urar da aka sanya a cikin mafi kyawun matsayi bayan injin milling da faifan diski, tsarin na'urar shine madaidaiciyar dabaran waya gefen biyu sama da ƙasa matsayi daidaitacce, babba da ƙananan clamping farantin.

5. Weld profile.Weld forming factor ne ma kananan, kunkuntar da zurfin weld siffar, gas da hadawa ba sauki yayyo fita, sauki samar da pores da slag.Ikon sarrafa walda na gabaɗaya a cikin 1.3-1.5, ƙimar bututu mai kauri mai kauri, ƙaramar ƙimar bangon bakin ciki.

6. Rage filin maganadisu na biyu.Don rage tasirin maganadisu ya kamata a yi a kan workpiece waldi na USB dangane wuri kawai zai yiwu daga waldi m, don kauce wa wasu waldi na USB na biyu Magnetic filin generated a cikin workpiece.

7. Aiki.Ya kamata ya zama dace don rage ko ƙara gudun waldi halin yanzu, game da shi jinkirta crystallization kudi na weld karfe wanka domin sauƙaƙe gudun gas, a lokaci guda, idan tsiri bayarwa wuri rashin zaman lafiya, ya kamata a dace daidaita zuwa ga dace. kawar da gyaran gyare-gyare akai-akai bayan ɗorawa gaban axle ko gada don kula da gyare-gyare, haifar da tserewa gas mai wahala.


Lokacin aikawa: Fabrairu-19-2020