01 Gịnị bụ awelded nkwonkwo
A welded nkwonkwo na-ezo aka a nkwonkwo ebe abụọ ma ọ bụ karịa workpieces jikọọ site ịgbado ọkụ. Njikọ welded nke ngwakọta ịgbado ọkụ na-etolite site na kpo oku mpaghara site na isi iyi okpomọkụ dị elu. Njikọ welded mejupụtara mpaghara fusion (mpaghara weld), eriri njikọ, mpaghara okpomọkụ emetụtara, na mpaghara metal base, dị ka egosiri na foto a.
02 Gịnị bụ nkwonkwo butt
Usoro ịgbado ọkụ a na-ejikarị bụ nkwonkwo ebe akụkụ abụọ jikọtara ọnụ na-agbado n'otu ụgbọ elu ma ọ bụ arc n'etiti ụgbọ elu nke nkwonkwo. Ihe e ji mara ya bụ kpo oku otu, ike otu, ma dị mfe iji hụ na ịdị mma ịgbado ọkụ.
03 Gịnị bụ auzo ịgbado ọkụ
Iji hụ na penetration na àgwà nke welded nkwonkwo, na ibelata ịgbado ọkụ deformation, nkwonkwo nke welded akụkụ na-n'ozuzu tupu esichara n'ime iche iche shapes tupu ịgbado ọkụ. Ugbo ịgbado ọkụ dị iche iche dabara adaba maka ụzọ ịgbado ọkụ dị iche iche na ọkpụrụkpụ weld. Ụdị oghere ndị a na-ahụkarị gụnyere: I-ụdị, V-ụdị, U-ụdị, otu V-ụdị, wdg, dị ka egosiri na ọnụ ọgụgụ.
Common uzo iche nke butt nkwonkwo
04 Mmetụta nke Butt Joint Groove Form naMgbado ọkụ Laser Arc mejupụtara
Dị ka ọkpụrụkpụ nke welded workpiece na-abawanye, nweta otu-kwadoro ịgbado ọkụ na abụọ akụkụ akpụ nke ọkara na oké efere (ike laser <10 kW) na-abụkarị ihe mgbagwoju anya. Ọtụtụ mgbe, ọ dị mkpa ịnakwere usoro ịgbado ọkụ dị iche iche, dị ka imepụta ụdị oghere kwesịrị ekwesị ma ọ bụ idobe oghere ụfọdụ, iji nweta ịgbado ọkụ nke efere ọkara na nke siri ike. Agbanyeghị, na ịgbado ọkụ n'ezie, idebe oghere n'ọdụ ụgbọ mmiri ga-abawanye ihe isi ike nke ngwa ịgbado ọkụ. Ya mere, imewe nke uzo na-aghọ ihe dị oké mkpa n'oge usoro ịgbado ọkụ. Ọ bụrụ na uzo imewe abụghị ihe ezi uche dị na ya, nkwụsi ike na arụmọrụ nke ịgbado ọkụ ga-emetụta nke ọma, ọ na-abawanyekwa ohere nke ịgbado ọkụ.
(1) The uzo ụdị ozugbo na-emetụta àgwà nke weld onuete. Kwesịrị ekwesị uzo imewe nwere ike hụ na welding waya metal jupụtara n'ụzọ zuru ezu n'ime weld onuete, ibelata omume nke ịgbado ọkụ ntụpọ.
(2) Ọdịdị geometric nke oghere ahụ na-emetụta ụzọ a na-esi ebugharị okpomọkụ, nke nwere ike iduzi okpomọkụ nke ọma, nwetakwuo ikpo ọkụ na oyi, ma nyere aka zere nrụrụ okpomọkụ na nrụgide fọdụrụnụ.
(3) The uzo ụdị ga-emetụta ndị cross-ngalaba morphology nke weld onuete, na ọ ga-eduga na cross-ngalaba morphology nke weld seam ịbụ ọzọ na akara na kpọmkwem chọrọ, dị ka weld penetration omimi na obosara.
(4) Ụdị uzo dị mma nwere ike melite nkwụsi ike nke ịgbado ọkụ ma belata ihe ndị na-adịghị akwụ ụgwọ n'oge usoro ịgbado ọkụ, dị ka splashing na undercut ntụpọ.
Dị ka e gosiri na Figure 3, na-eme nnyocha achọpụtala na iji laser arc composite ịgbado ọkụ (laser ike 4kW) nwere ike mejupụta uzo na abụọ n'ígwé na abụọ gafere, n'ụzọ dị irè na-eme ka ịgbado ọkụ arụmọrụ; Enwetara mgbado ọkụ na-enweghị ntụpọ nke 20mm gbara ọkpụrụkpụ MnDR site na iji mgbado ọkụ laser nwere akwa atọ (ike laser nke 6kW); A na-eji ịgbado ọkụ Laser arc composite welding 30mm nchara nwere obere carbon n'ọtụtụ ọkwa na ngafe, na akụkụ akụkụ nke akụkụ nke njikọ welded kwụsiri ike ma dịkwa mma. Tụkwasị na nke ahụ, ndị na-eme nchọpụta achọpụtala na obosara nke oghere akụkụ anọ na akụkụ nke oghere Y na-enwe mmetụta dị ukwuu na mmetụta mgbochi oghere. Mgbe obosara nke uzo rectangular bụ≤4mm na akụkụ nke uzo Y-dị ka ọ bụ≤60 °, morphology cross-ngalaba nke weld seam na-egosi etiti mgbawa na n'akụkụ mgbidi notches, dị ka e gosiri na ọnụ ọgụgụ.
Mmetụta nke akwụkwọ groove na ngalaba Cross Morphology nke Welds
Mmetụta nke Groove Width na Angle na Cross Section Morphology of Welds
05 Nchịkọta
Nhọrọ nke ụdị groove kwesịrị ịtụle nke ọma ihe achọrọ nke ọrụ ịgbado ọkụ, njirimara ihe na njirimara nke usoro ịgbado ọkụ nke laser arc mejupụtara. Nhazi oghere nke ọma nwere ike melite arụmọrụ ịgbado ọkụ ma belata ihe egwu nke ntụpọ ịgbado ọkụ. Ya mere, nhọrọ na imewe nke uzo ụdị bụ isi ihe tupu laser arc mejupụtara ịgbado ọkụ nke ọkara na oké efere.
Oge nzipu: Nov-08-2023
