Ihe nyocha nke laser, nke a na-akpọkwa laser galvanometer, nwere isi nyocha nyocha anya XY, igwe igwe eletrọnịkị na oghere nlegharị anya anya. Mgbama nke onye na-ahụ maka kọmpụta na-enye na-ebugharị isi nyocha anya site na sekit ampilifaya ịnya ụgbọ ala, si otú a na-achịkwa ntụgharị nke eriri laser n'ime ụgbọ elu XY. N'ikwu ya n'ụzọ dị mfe, galvanometer bụ galvanometer nyocha nke ejiri na ụlọ ọrụ laser. A na-akpọ okwu ọkachamara ya na sistemụ nyocha galvanometer Galvo dị elu. A pụkwara ịkpọ ihe a na-akpọ galvanometer ammeter. Echiche nhazi ya na-agbaso usoro nhazi nke ammeter. Igwefoto ahụ na-edochi agịga, na akara ngosi nke nyocha na-eji akara kọmputa -5V-5V ma ọ bụ -10V-+10V DC akara. , imezu ihe omume ahụ eburu ụzọ kpebie. Dị ka sistemụ nyocha enyo na-atụgharị, sistemụ njikwa a na-eji otu ụzọ enyo na-eweghachi. Ihe dị iche bụ na stepper moto nke na-ebugharị oghere anya a na-eji moto servo dochie ya. Na usoro nchịkwa a, a na-eji ihe mmetụta ọnọdụ mee ihe Echiche imewe nke na nzaghachi nzaghachi na-adịghị mma na-eme ka o doo anya na usoro ahụ ziri ezi, na ọsọ nyocha na nhazi ugboro ugboro nke usoro ahụ dum ruru ọkwa ọhụrụ. Isi ihe nrịbama nke galvanometer bụ nke enyo nyocha XY, oghere oghere, galvanometer na ngwanrọ akara kọmputa na-achịkwa. Họrọ ngwa anya ngwa anya dabara dị ka ogologo wavelength laser dị iche iche si dị. Nhọrọ ndị metụtara ya na-agụnyekwa ndị na-ebuwanye ọkụ laser, lasers, wdg N'ime usoro ihe ngosi laser, usoro ntụgharị nke nyocha anya bụ nyocha nke vector, na ọsọ nyocha nke usoro ahụ na-ekpebi nkwụsi ike nke ụkpụrụ laser. N'ime afọ ndị na-adịbeghị anya, e mepụtala ihe nleba anya dị elu, na-eji ọsọ nyocha na-eru 45,000 isi / nke abụọ, na-eme ka o kwe omume igosi ihe ngosi laser dị mgbagwoju anya.
5.1 Laser galvanometer ịgbado ọkụ nkwonkwo
5.1.1 Nkọwa na ngwakọta nke njikọ ịgbado ọkụ galvanometer:
Isi mgbako na-elekwasị anya na-eji ngwa igwe arụ ọrụ dịka ikpo okwu na-akwado. Ngwa igwe ahụ na-aga azụ na azụ iji nweta ịgbado ọkụ nke welds trajectory dị iche iche. Izi ezi ịgbado ọkụ na-adabere na izi ezi nke onye na-eme ihe, yabụ enwere nsogbu dị ka izi ezi dị ala, ọsọ nzaghachi ngwa ngwa, na nnukwu inertia. Usoro nyocha galvanometer na-eji moto na-ebu oghere maka ntụgharị. A na-ebugharị moto ahụ site na ụfọdụ ihe dị ugbu a ma nwee uru dị na nkenke dị elu, obere inertia, na nzaghachi ngwa ngwa. Mgbe ọkụ na-enwu na oghere galvanometer, ntụgharị nke galvanometer na-agbanwe ọkụ laser. Ya mere, eriri laser nwere ike nyochaa trajectory ọ bụla na mpaghara nyocha site na sistemụ galvanometer.
Ihe ndị bụ isi nke sistemụ nyocha galvanometer bụ mgbaba mgbaba oghere, oghere na-elekwasị anya, galvanometer nke abụọ axis XY, bọọdụ njikwa na sistemụ ngwanrọ kọmputa. Galvanometer nyocha na-ezo aka na isi nyocha abụọ XY galvanometer, nke igwe servo na-emegharị ngwa ngwa na-ebugharị. Sistemụ servo dual-axis na-eme XY dual-axis scanning galvanometer ka ọ tụgharịa n'akụkụ X-axis na Y-axis n'otu n'otu site na izipu akara iwu na moto servo X na Y-axis. N'ụzọ dị otú a, site na ngwakọta nke oghere XY abụọ-axis mirror lens, usoro njikwa nwere ike ịgbanwe akara ngosi site na osisi galvanometer dị ka preset graphic template nke onye ọbịa na kọmputa dị ka ụzọ edoziri siri dị, wee gaa ngwa ngwa na . workpiece ụgbọ elu na-etolite a scanning trajectory.
5.1.2 Nhazi nke nkwonkwo ịgbado ọkụ galvanometer:
1. N'ihu na-elekwasị anya nyocha oghere
Dabere na mmekọrịta dị n'etiti oghere na-elekwasị anya na galvanometer laser, enwere ike kewaa ọnọdụ nyocha nke galvanometer n'ime nyocha nleba anya n'ihu (ọgụgụ 1 n'okpuru) na nleba anya nleba anya azụ (Nyocha 2 n'okpuru). N'ihi ịdị adị nke ngwa anya ụzọ dị iche mgbe laser doo na-atụgharị n'ọnọdụ dị iche iche (ntụgharị nnyefe anya dị iche iche), laser focal elu n'oge gara aga na-elekwasị anya mode scanning usoro bụ a hemispherical elu, dị ka e gosiri na ekpe ọgụgụ. E gosipụtara usoro nyocha ihe nleba anya n'ihu na foto dị n'aka nri. Ebumnuche oghere bụ oghere F-atụmatụ. Ngosipụta F- plan nwere nhazi anya pụrụ iche. Site n'iwebata nzizi anya, enwere ike imezi oghere ihu igwe nke oghere laser ka ọ dị larịị. Nyocha nyocha nke post-lekwasịrị anya bụ tumadi maka ngwa chọrọ nhazi nhazi dị elu yana obere nhazi, dị ka akara laser, ịgbado ọkụ microstructure laser, wdg.
2.Igwe nyocha nyocha nke azụ
Ka mpaghara nyocha na-abawanye, oghere nke oghere f-theta na-abawanye. N'ihi njedebe nkà na ụzụ na ihe onwunwe, nnukwu oghere f-theta lenses dị oke ọnụ ma anabataghị ngwọta a. Ebumnobi lens n'ihu galvanometer scanning usoro jikọtara na isii-axis robot bụ a dịtụ ekwe omume ngwọta, nke nwere ike ibelata ịdabere na galvanometer ngwá, nwere a bukwanu ogo nke usoro ziri ezi, na nwere ezi ndakọrịta. Ọtụtụ integrators anabatala ngwọta a. Nnabata, nke a na-akpọkarị ịgbado ọkụ ụgbọ elu. Mgbado ọkụ nke modul busbar, gụnyere ihicha okporo osisi, nwere ngwa ụgbọ elu, nke nwere ike ịbawanye obosara nhazi n'ụzọ dị nro na nke ọma.
3.3D galvanometer:
N'agbanyeghị ma ọ bụ nyocha lekwasịrị anya n'ihu ma ọ bụ nyocha lekwasịrị anya n'azụ, a pụghị ịchịkwa ebe laser lekwasịrị anya maka itinye uche siri ike. N'ihi na n'ihu lekwasịrị anya ịgụ isiokwu mode, mgbe workpiece ga-esichara bụ obere, na-elekwasị anya oghere nwere a ụfọdụ Baịbụl hiwere isi n'ebe omimi nso, n'ihi ya, ọ nwere ike ịrụ lekwasịrị anya ịgụ isiokwu na a obere usoro. Otú ọ dị, mgbe ụgbọ elu a ga-enyocha bụ nnukwu, isi ihe ndị dị nso na mpụta ga-abụ nke a na-elekwasị anya na enweghị ike ilekwasị anya na elu nke workpiece a ga-edozi n'ihi na ọ karịrị omimi nke laser lekwasịrị anya. Ya mere, mgbe a na-achọrọ ọkụ laser ka ọ na-elekwasị anya nke ọma n'ọnọdụ ọ bụla na ụgbọ elu nyocha na ebe a na-ahụ anya dị ukwuu, iji oghere oghere oghere dị ogologo enweghị ike izute ihe nyocha. Sistemụ na-elekwasị anya n'ike bụ usoro nke sistemu ngwa anya nke ogologo ogologo ha nwere ike ịgbanwe dịka ọ dị mkpa. Ya mere, ndị na-eme nchọpụta na-atụ aro iji oghere na-elekwasị anya dị ike iji kwụọ ụgwọ maka ọdịiche anya ụzọ anya, ma jiri oghere concave (beam expander) na-agagharị n'ahịrị n'ahịrị anya n'akụkụ axis iji chịkwaa ọnọdụ na-elekwasị anya ma nweta elu nke a ga-edozi ya na-akwụ ụgwọ maka ngwa anya. ụzọ dị iche na ọnọdụ dị iche iche. E jiri ya tụnyere 2D galvanometer, ihe mejupụtara 3D galvanometer na-agbakwụnye na "Sistemụ ngwa anya Z-axis", nke mere na galvanometer 3D nwere ike ịgbanwe ọnọdụ elekwasị anya n'oge usoro ịgbado ọkụ ma rụọ ịgbado ọkụ oghere oghere, na-enweghị mkpa ịgbanwe. onye na-ebu ya dị ka ngwá ọrụ igwe, wdg dị ka galvanometer 2D. A na-eji ịdị elu nke robot emezigharị ọnọdụ mgbado ọkụ.
Oge nzipu: Mee-23-2024
