Spiral steel pipe dị elu na ọnụ ala dị ala
Spiral steel pipe bụ spiral onuete nchara ọkpọkọ mere nke warara ígwè eriri igwe dị ka akụrụngwa, na-emekarị kpụrụ site na-ekpo ọkụ extrusion na welded site akpaka okpukpu abụọ waya abụọ akụkụ submerged arc ịgbado ọkụ usoro. Ọkpụkpụ nchara gburugburu na-eziga nchara nchara na mpaghara ọkpọkọ welded. Mgbe a na-atụgharị site na ọtụtụ rollers, a na-eji nwayọọ nwayọọ na-atụgharị ígwè ahụ ka ọ bụrụ ọkpọkọ okirikiri nwere oghere oghere. Gbanwee mbelata nke ihe mkpuchi extrusion iji chịkwaa oghere weld na 1 ~ 3mm wee mee ka nsọtụ abụọ nke welded junction kpochapu.
(1) Akụrụngwa, ya bụ eriri igwe nchara, waya ịgbado ọkụ na flux. A ga-eme nyocha anụ ahụ siri ike tupu ntinye.
(2) The butt nkwonkwo nke warara ígwè isi na ọdụ nakweere otu waya ma ọ bụ abụọ waya submerged arc ịgbado ọkụ, na akpaka submerged arc ịgbado ọkụ na-nakweere maka ịrụzi ịgbado ọkụ mgbe tụgharịa n'ime ígwè ọkpọkọ.
(3) Tupu akpụpụta, a na-edozi nchara nke warara, dozie ya, hazie ya, kpochaa elu ya, buru ya ma gbadaa.
(4) A na-eji ihe nrịbama kọntaktị kọntaktị eletrik iji chịkwaa nrụgide nke cylinder mmanụ na-agbanye n'akụkụ abụọ nke onye na-ebufe ya iji hụ na njem dị mma nke eriri eriri.
(5) Nabata njikwa mpụga ma ọ bụ mpịakọta njikwa ime.
(6) A na-eji ngwaọrụ na-achịkwa oghere weld iji hụ na oghere weld na-emezu ihe ndị a chọrọ, na dayameta ọkpọkọ, ihe na-adịghị mma na nkedo weld na-achịkwa nke ọma.
(7) Ma n'ime ime ịgbado ọkụ na mpụga ịgbado ọkụ na-ewere American Lincoln Electric igwe ịgbado ọkụ maka otu waya ma ọ bụ abụọ waya submerged arc ịgbado ọkụ, ka inweta ike ịgbado ọkụ àgwà.
(8) A na-enyocha welded niile site na ntanetị na-aga n'ihu ultrasonic akpaaka flaw detector iji hụ na 100% NDT mkpuchi nke gburugburu welds. Ọ bụrụ na enwere ntụpọ, ọ ga-ada ụda na-akpaghị aka ma na-agbasa akara, na ndị ọrụ mmepụta ga-edozi usoro usoro n'oge ọ bụla iji kpochapụ ntụpọ na oge.
(9) A na-egbutu ọkpọkọ ígwè n'ime otu iberibe site na igwe ikuku plasma ikuku.
(10) Mgbe ịkpụ n'ime otu ọkpọkọ ígwè, ọ bụla ogbe nke ígwè ọkpọkọ ga-n'okpuru a nlezianya mbụ nnyocha usoro iji lelee n'ibu Njirimara, chemical mejupụtara, fusion ọnọdụ, elu àgwà nke ígwè ọkpọkọ na NDT iji hụ na ọkpọkọ na-eme ka ọkpọkọ. usoro tozuru oke tupu etinye ya n'ihu ọha na mmepụta.
(11) A ga-enyocha akụkụ ahụ nwere akara nchọta ntụpọ na-aga n'ihu na weld site na ultrasonic na X-ray ntuziaka. Ọ bụrụ na enwere ntụpọ, mgbe emezichara, ha ga-edobe NDT ọzọ ruo mgbe achọpụtara na ewepụla ntụpọ ahụ.
(12) The ọkpọkọ nke butt ịgbado ọkụ onuete nke warara ígwè na T-njikọ intersecting gburugburu weld ga-enyocha X-ray telivishọn ma ọ bụ ihe nkiri.
(13) Onye ọ bụla ọkpọkọ ígwè na-adabere na ule hydrostatic, na nrụgide na-anabata akara radial. A na-achịkwa nrụgide ule na oge nke ọma site na ngwaọrụ nchọpụta microcomputer nke nchara nchara mmiri. A na-ebipụta usoro ule na-akpaghị aka ma dekọọ.
(14) A na-arụ ọrụ njedebe ọkpọkọ iji chịkwaa perpendicularity nke ọma, akụkụ mkpọda na nsọtụ ihu nke njedebe.
1. Ọ bụrụ na ọdịiche ahụ dị oke ibu, a ga-ebelata mmetụta nso nso, okpomọkụ dị ugbu a agaghị ezu ezu, na nkwonkwo weld intergranular ga-adịkwa mma, na-eme ka njikọ ma ọ bụ mgbawa ezughị ezu.
2.Ọ bụrụ na ọdịiche ahụ dị ntakịrị, mmetụta nso nso ga-abawanye, ọkụ ịgbado ọkụ ga-adị oke ibu, na weld ga-ere ọkụ; Ma ọ bụ weld ahụ na-agbapụta ma tụgharịa ka ọ bụrụ olulu miri emi, nke na-emetụta ọdịdị elu nke weld.
Mgbe n'ọnụ abụọ nke tube oghere na-ewe iwe ọkụ na ịgbado ọkụ okpomọkụ, nkịtị metal grains na-guzobere n'okpuru extrusion nke extrusion roller, nke banye n'ime na crystallize ọ bụla ọzọ, na n'ikpeazụ na-etolite a siri ike weld. Ọ bụrụ na ike extrusion nke spiral steel pipe dị ntakịrị, ọnụ ọgụgụ nke kristal nkịtị ga-adị ntakịrị, ike nke weld metal ga-ebelata, na mgbawa ga-eme mgbe nrụgide gasịrị; Ọ bụrụ na ike extrusion ahụ buru ibu, a ga-ewepụ ígwè ahụ a wụrụ awụ na weld, nke na-agaghị eme ka ike weld belata, ma na-emepụtakwa ọnụ ọgụgụ buru ibu nke ime na mpụga burrs, na ọbụna na-akpata ntụpọ dị ka ịgbado ọkụ.
