11. Gịnị bụ egweri wheel nkenke mgbakwasa teknụzụ na elu-ọsọ egweri?
Azịza: Ka ọ dị ugbu a, teknụzụ mgbakwasa wiil ndị tozuru oke bụ:
(1) ELID online electrolytic mgbakwasa teknụzụ;
(2) EDM egweri wheel mgbakwasa technology;
(3) Iko egweri wheel mgbakwasa technology;
(4) Electrolysis-mechanical composite forming technology
12. Gịnị bụ egweri nke ọma?Gbalịa na-akọwa nkenke nhọrọ ụkpụrụ nke egweri wheel na nkenke egweri nke nkịtị egweri wheel.
Azịza: Igwu nkenke na-ezo aka n'ịhọrọ wiil egweri dị mma n'elu igwe na-egweri nke ọma, na site n'iji ejiji na-egweri nke ọma, ọka abrasive nwere obere ihu na contour.Akara egweri dị oke mma, ịdị elu nke fọdụrụ dị ntakịrị, a na-agbakwunyekwa mmetụta nke ogbo egweri na-abụghị nke na-egweri, na usoro egweri elu ya na njiri machining nke 1 ruo 0.1 mm na njiri elu Ra nke 0.2 ruo 0.025. mm nwetara.
Nhọrọ ụkpụrụ nke egweri wheel na nkenke egweri nke nkịtị egweri wheel:
(1) Abrasive nke igwe na-egweri ejiri mee ihe n'ụzọ ziri ezi dabeere na ụkpụrụ nke ịdị mfe ịmepụta na ịnọgide na-enwe micro-ọnụ na contour ya.
(2) Na-egweri wheel urughuru size?N'ịtụle geometric ihe naanị, ka mma na-egweri wheel urughuru size, nta n'elu roughness uru nke egweri.Otú ọ dị, mgbe ihe ndị ahụ abrasive dị oke mma, ọ bụghị nanị na a ga-egbochi wiil ndị na-egweri ngwa ngwa site na-egweri irighiri ihe, ma ọ bụrụ na okpomọkụ adịghị mma, ọ ga-eme ka ọkụ na ihe ndị ọzọ na-eme n'elu igwe a na-emepụta, nke ga-eme ka ọ dịkwuo elu. uru..
(3) Ihe nkedo wiil na-egweri?Ihe nkedo wiil na-egweri gụnyere resins, metals, ceramics, wdg, na resins na-ejikarị eme ihe.Maka wiil ndị na-egweri ahịhịa, enwere ike iji njikọ vitrified.Metal na ceramic binders bụ akụkụ dị mkpa nke nyocha n'ọhịa nke ichikota nkenke.
13. Gịnị bụ àgwà egweri nkenke na superabrasive egweri wiil?Kedu ka esi ahọrọ ego egweri?
Azịza: Ndị bụ isi njirimara nke superabrasive egweri wheel egweri bụ:
(1) Enwere ike iji ya mee ihe dị iche iche dị elu siri ike na nnukwu brittleness metal na ndị na-abụghị metal ihe.
(2) ike egweri ike, ezigbo eyi na-eguzogide, elu anwụ ngwa ngwa, nwere ike ịnọgide na-egweri arụmọrụ ruo ogologo oge, obere mgbakwasa ugboro, mfe ịnọgide na-enwe urughuru size;dị mfe ịchịkwa nhazi nha ma ghọta nhazi akpaaka.
(3) Ike na-egweri dị ntakịrị na okpomọkụ na-egweri dị ala, nke mere na nrụgide dị n'ime ahụ nwere ike ibelata, ọ dịghị ntụpọ dị ka ọkụ na mgbawa, na ọdịdị elu igwe a na-emepụta dị mma.Mgbe wheel egweri diamond na-egweri carbide cemented, ike egweri ya bụ naanị 1/4 ruo 1/5 nke carbide silicon green.
(4) Akwa egweri arụmọrụ.Mgbe ị na-eji ígwè na-arụ ọrụ siri ike na ihe ndị na-adịghị ahụkebe siri ike na nke na-adịghị agwụ agwụ, nkwụsị nke ígwè nke igwe na-egweri diamond dị mma karịa nke cubic boron nitride na-egweri wiil;ma mgbe machining okpomọkụ na-eguzogide ígwè, titanium alloys, anwụ ígwè na ihe ndị ọzọ, cubic boron nitride egweri wiil bụ nnọọ elu na diamond egweri wheel.
(5) Ọnụ ego nhazi dị ala.Igwe igwe na-egweri diamond na cubic boron nitride grinding wheel dị ọnụ karịa, mana ha nwere ogologo ndụ ọrụ yana arụmọrụ nhazi dị elu, yabụ ọnụ ahịa niile dị ala.
Nhọrọ usoro onunu ogwu nke kachasi ike:
(1) Egweri ọsọ The egweri ọsọ nke na-abụghị metal bond diamond egweri wheel bụ n'ozuzu 12 ~ 30m/s.The egweri ọsọ nke cubic boron nitride egweri wheel nwere ike ịdị elu nke ukwuu karịa nke diamond egweri wheel, na nhọrọ 45-60m/s bụ tumadi n'ihi na mma thermal kwụsie ike nke cubic boron nitride abrasive.
(2) The egweri omimi bụ n'ozuzu 0.001 ka 0.01 mm, nke nwere ike họrọ dị ka egweri usoro, abrasive urughuru size, ihe nkedo na jụrụ ọnọdụ.
(3) The workpiece ọsọ bụ n'ozuzu 10-20m / min.
(4) Ọsọ ndepụta ogologo ogologo?N'ozuzu 0.45 ~ 1.5m / min.
14. Gịnị bụ ultra-nkenke egweri?Gbalịa ịkọwa nkenke usoro ya, njirimara ya na ngwa ya.
Azịza: Egwu nke ọma nke ọma na-ezo aka na usoro egweri wiil na-arụ ọrụ nke ọma nke na-erughị 0.1mm yana nhụsianya elu nke na-erughị Ra0.025mm., Ígwè ihe, ceramik, iko na ndị ọzọ siri ike na kenkuwa ihe nhazi.
Usoro egweri nke ọma:
(1) Abrasive irighiri nwere ike na-ahuta dị ka ihe na-agbanwe ahụ na-agbanwe nkwado na nnukwu ihe na-adịghị mma rake n'akuku ọnwụ ihu.Nkwado na-agbanwe agbanwe bụ ihe na-ejikọta ya.Ọ bụ ezie na ihe ndị ahụ abrasive nwere ike isi ike dị ukwuu na nrụrụ nke ha dị obere, ha ka bụ ndị elastomers n'ezie.
(2) Omimi mbelata nke mkpụrụ osisi abrasive na-eji nwayọọ nwayọọ na-abawanye site na efu, wee jiri nwayọọ nwayọọ na-agbada na efu mgbe ọ ruru oke uru.
(3) Usoro kọntaktị dum n'etiti ọka abrasive na workpiece na-esote mpaghara na-agbanwe, mpaghara plastik, mpaghara ịkpụ, mpaghara plastik na mpaghara na-agbanwe.
(4) Na ultra-nkenke egweri, micro-cutting edinam, plastic eruba, na-agbanwe mmebi omume na slide omume pụtara n'usoro dị ka mgbanwe nke ịkpụ ọnọdụ.Mgbe agụba ahụ dị nkọ ma nwee ụfọdụ omimi omimi, mmetụta micro-cut dị ike;Ọ bụrụ na agụba ahụ adịghị nkọ nke ọma, ma ọ bụ ihe omimi na-egweri dị oke nke na-emighị emeri, ọnyà plastik, mmebi na-agbanwe agbanwe na mwepu ga-eme.
Atụmatụ nke Ultra Precision egweri:
(1) Ultra-nkenke egweri bụ a hazie oru ngo.
(2) Superabrasive egweri wheel bụ isi ngwá ọrụ maka ultra-nkenke egweri.
(3) Ultra-nkenke egweri bụ ụdị nke ultra-micro ọnwụ usoro.
Ngwa nke ultra-nkenke egweri:
(1) Ngwunye ihe igwe dị ka nchara na alloys ya, ọkachasị nchara siri ike nke ejiri menyụọ mebie.
(2) Ihe siri ike na nke na-agbaji agbawa nke enwere ike iji egweri ndị na-abụghị ọla?Dịka ọmụmaatụ, seramiiki, iko, quartz, ihe semiconductor, ihe nkume, wdg.
(3) Ugbu a, e nwere tumadi cylindrical grinders, elu grinders, esịtidem grinders, nhazi grinders na ndị ọzọ ultra-nkenke grinders, nke a na-eji maka ultra-nkenke egweri nke mpụta okirikiri, ụgbọ elu, oghere na oghere usoro.
(4) Ultra-nkenke egweri na ultra-nkenke free abrasive nhazi zuo oke ọ bụla ọzọ.
15. Kọwaa nkenke ụkpụrụ na njirimara nke ELID mirror egweri.
Azịza: ụkpụrụ nke ELID mirror egweri: N'oge egweri usoro, electrolytic egweri mmiri mmiri na-awụsara n'etiti egweri wheel na ngwá ọrụ electrode na a DC pulse ugbu a na-etinye, nke mere na metal nkekọ nke egweri wheel dị ka anode nwere anode. mgbasa mmetụta na-eji nwayọọ nwayọọ wepụrụ, nke mere na The abrasive grains na-adịghị emetụta electrolysis na-esi n'elu nke egweri wheel.Site na ọganihu nke usoro electrolysis, a na-eji nwayọọ nwayọọ na-emepụta ihe nkiri oxide nke nwere ihe ndị na-ekpuchi ihe n'elu igwe na-egweri, na-egbochi ịga n'ihu nke usoro electrolysis.Mgbe abrasive grains nke egweri wheel na-eyi, ihe nkiri na-agafe agafe Mgbe a kpochapụrụ ya site na workpiece, usoro electrolysis na-aga n'ihu, na usoro ahụ na-amalite ọzọ, na-eji ígwè na-egweri na-eyi uwe site n'omume nke electrolysis na ntanetị. ịdị elu na-apụta mgbe niile nke ọka abrasive.
Atụmatụ nke ELID egweri:
(1) Usoro egweri nwere ezigbo nkwụsi ike;
(2) Usoro mgbakwasa a na-egbochi mgbanaka diamond na-egweri ngwa ngwa ma na-eme ka ọnụọgụ nke abrasives dị oké ọnụ ahịa mee ihe;
(3) Usoro mgbakwasa ELID na-eme ka usoro egweri nwee njikwa dị mma;
(4) N'iji usoro egweri ELID, ọ dị mfe iji nweta ntụ ọka mirror, ọ pụkwara ibelata ihe mgbawa nke ihe ndị na-adịghị ike ka ọ bụrụ akụkụ ala.
16. Gịnị bụ na-akpụ akpụ ndepụta egweri?Gbalịa na-esi okpomọkụ nyefe tiori na-akọwa na onu na nkịtị nwayọọ nwayọọ egweri okpomọkụ dị nnọọ ala ma ọ dị mfe ọkụ na mberede.
Azịza: Nri na-eri nri na-egweri nwere ọtụtụ aha na China n'oge gara aga, dị ka ichicha siri ike, ọnyà dị arọ, ịkwanye ihe na-akpụ akpụ, igwe nri, wdg. Aha kpọmkwem ugbu a kwesịrị ịbụ Creep Feed Deep Cutting Grinding Grinding, nke a na-akpọkarị ngwa ngwa.Ihe dị iche iche nke usoro a bụ ọnụ ọgụgụ nri dị ala, nke bụ ihe dịka 10-3 ruo 10-2 ugboro nke igwe nri nkịtị.Dị ka ihe atụ, workpiece ọsọ nwere ike ịdị ala dị ka 0.2mm / s n'oge elu egweri, ya mere a na-akpọ ya "nwayọọ" egweri.Ma n'aka nke ọzọ, isi omimi nke ịkpụ bụ nnukwu, ihe dị ka 100 ka 1000 ugboro nke egweri nkịtị.Dịka ọmụmaatụ, oke omimi nke ịkpụ na-egweri ewepụghị nwere ike iru 20 ruo 30 mm.
Dị ka tiori nke esi okpomọkụ nyefe na ubi nke thermal engineering, ọ bụ nkọwa sayensị maka nkịtị ngwa ngwa egweri okpomọkụ dị nnọọ ala ma ọ na-adịkarị mfe na mberede ọkụ.N'oge a na-egweri ngwa ngwa, ọnọdụ ikpo ọkụ nke elu nke workpiece na mpaghara arc na elu nke waya nickel kpụ ọkụ n'ọnụ na-emikpu n'ime ọdọ mmiri bụ otu ihe ahụ, na mmiri na-egweri na mpaghara arc nwekwara nnukwu okpomọkụ flux density qlim. nke nwere ike ime ka ihe nkiri na-esi ísì.Egweri na-ezo aka na-egweri ọkụ ọkụ q <> 120 ~ 130 ℃.
Nke ahụ bụ, n'agbanyeghị otú nnukwu ịkpụ omimi dị n'oge a na-egweri ngwa ngwa, ma ọ bụ 1mm, 10mm, 20mm ma ọ bụ 30mm, ọ bụrụhaala na a na-ezute ọnọdụ ndị na-eji nwayọọ nwayọọ na-egweri, okpomọkụ dị elu nke workpiece na mpaghara arc ga-ezute. ọ bụghị gafere 120 ~ 130 ℃, nke bụkwa ihe mere na ngwa ngwa egweri usoro dị iche.Uru n'elu nkịtị egweri.Otú ọ dị, uru nkà na ụzụ a pụtara ìhè nke iji nwayọọ nwayọọ na-egweri na-efunahụ ya n'ezie n'ihi njupụta okpomọkụ na-agba ọsọ.The egweri okpomọkụ eruba njupụta q bụghị nanị metụtara ọtụtụ ihe ndị dị ka ihe onwunwe Njirimara na ọnwụ ego, ma na-adabere n'ịdị nkọ nke egweri wheel elu.Ọ bụrụhaala na ọnọdụ q ≥ qlim zutere, elu nke workpiece dị na mpaghara arc ga-agba ọkụ na mberede n'ihi mmiri na-egweri na-abanye na steeti na-esi esi fim..
17. Olee otú mepụta na-aga n'ihu na mgbakwasa na creep ndepụta egweri?Kedu uru dị na mgbakwasa na-aga n'ihu?
Azịza: Ihe a na-akpọ uwe na-aga n'ihu na-ezo aka na usoro nke imegharị na ịmụba wiil egweri mgbe ọ na-egweri.Site na usoro mgbakwasa na-aga n'ihu, igwe mgbakwasa diamond na-akpakọrịta mgbe niile na wiil egweri.Iji ghọta usoro siri ike nke wiil ịkwa akwa na-aga n'ihu na nkwụghachi ụgwọ na-aga n'ihu n'ime usoro nsị, a ga-eji igwe akwa akwa pụrụ iche na-aga n'ihu.The ike usoro nke na-aga n'ihu mgbakwasa e gosiri na Figure 2. The mbụ egweri wheel dayameta bụ ds1, workpiece dayameta bụ dw1, na dayameta nke diamond mgbakwasa ala bụ dr.N'oge egweri, ọ bụrụ na radius workpiece na-ebelata na ọsọ nke vfr, n'ihi mgbakwasa na-aga n'ihu, igwe na-egweri kwesịrị bee n'ime ihe a na-egweri na ọsọ nke v2 = vfr + vfrd, na ihe mgbakwasa kwesịrị bee n'ime mgbakwasa igwe na-egweri. ọsọ nke v1 = 2vfrd + vfr, nke mere na ọnọdụ nke ihe mgbakwasa na igwe na-egweri agbanweela.Ya mere, igwe na-egweri maka ịkwa akwa na-aga n'ihu nke wiil ndị na-egweri ga-enwe ike ime mgbanwe dị mkpa na mpaghara geometrical ndị a.
Uru nke trimming na-aga n'ihu dị ọtụtụ, dịka:
1) A na-ewepụ oge egweri, nke dị nnọọ nhata na oge ejiji, nke na-eme ka ihe ọkụkụ dị mma;
2) Ogologo ogologo oge kachasị ogologo anaghị adabere na iyi nke igwe na-egweri, ma n'ogologo dịnụ nke igwe igwe;
3) A na-ebelata ike ịkụ ihe kpọmkwem, ike na-egweri na ikpo ọkụ na-ebelata, usoro nhazi ahụ kwụsiri ike.
18. Gịnị bụ egweri eriri?Kọwaa nkenke ihe mejupụtara na njirimara nke eriri abrasive.
Azịza: Abrasive belt egweri bụ usoro usoro egweri na-akpụ akpụ abrasive eriri na kọntaktị na workpiece na a kwekọrọ ekwekọ kọntaktị n'ụzọ dị ka udi nke workpiece.
Akara abrasive bụ nke akụkụ atọ mejupụtara: matriks, binder na abrasive.Matriks bụ nkwado maka ọka abrasive na enwere ike iji akwụkwọ, owu na eriri kemịkal mee ya.Ihe nkedo a na-ejikarị gụnyere gluu anụmanụ, resin sịntetik na ngwakọta nke abụọ ahụ.Ihe nkedo a na-ejikarị gụnyere gluu anụmanụ, resin sịntetik na ngwakọta nke abụọ ahụ.Glu anụmanụ nwere obere okpomọkụ na-eguzogide, ike njikọ dị ala, ọ dịghịkwa eguzogide mmebi site n'ịbelata mmiri mmiri, n'ihi ya, a pụrụ iji ya mee ihe maka ikpo ọkụ;Ihe nkedo resin sịntetik nwere ike njikọta dị elu yana nguzogide iyi dị elu, dabara adaba maka imepụta eriri ọrụ ọsọ ọsọ dị elu.Abrasives maka ime eriri abrasive bụ corundum ọkọlọtọ, ọcha na chromium nwere corundum, otu kristal corundum, aluminum oxide, zirconium dioxide, green na black silicon carbide, wdg.
19. Gịnị bụ usoro nhazi ọkwa nke abrasive belt egweri?Kedu nsogbu ndị a na-enwekarị na-egweri belt?
Azịza: Dị ka usoro egweri si dị, e nwere ike kewaa eriri abrasive na-egweri eriri eriri na-emechi emechi na imeghe belt abrasive.Abrasive belt egweri nwere ike kewaa kọntaktị wheel ụdị, support efere ụdị, free kọntaktị ụdị na free sere n'elu kọntaktị ụdị dị ka kọntaktị ụdị n'etiti abrasive belt na workpiece.
Nsogbu ndị na-adịkarị mfe ime na eriri abrasive na-egweri: mkpọchi, ịrapara, na ịfụ.Tụkwasị na nke ahụ, eriri abrasive na-apụtakarị mgbaji ugboro ugboro, na-eyi akara na ihe ndị ọzọ n'oge eji.
20. Gịnị bụ ultrasonic vibration egweri?Kọwaa nkenke usoro na njirimara ultrasonic vibration egweri.
Azịza: Ultrasonic egweri bụ usoro usoro na-eji mmanye vibration nke egweri wheel (ma ọ bụ workpiece) na-egweri usoro.
Usoro nke ultrasonic vibration-egweri: mgbe mmalite ike magnetizing nke ultrasonic generator, a na-enye ụfọdụ ultrasonic ugboro ugbu a na DC ugbu a maka magnetization transducer nickel magnetostrictive transducer, na ihe ọzọ ultrasonic ugboro magnetik field na magnetik na-emepụta. na eriri transducer.The mgbe niile polarized magnetik ubi na-enyere transducer ike n'ịwa longitudinal n'ibu vibration ume nke otu ugboro, nke a na-ebunye na mpi n'otu oge, na njupụta na-amụba ka a predetermined uru ịkwanye resonant cutter mmanya maka vibration ọnwụ.The transducer, mpi, na cutter mkpara niile na resonance na ultrasonic ugboro mmepụta site generator, na-akpụ a resonance usoro, na nke a kapịrị ọnụ kwesịrị ịdị na ntughari oghere.
Atụmatụ: Ultrasonic egweri nwere ike ime ka ọka abrasive dị nkọ ma gbochie mgbawa mgbochi.N'ozuzu, a na-ebelata ike ịkpụ site na 30% ruo 60% ma e jiri ya tụnyere igwe nri nkịtị, a na-ebelata okpomọkụ nke ịkpụ, na nhazi nhazi na-abawanye site na 1 ruo 4 ugboro.Na mgbakwunye, ultrasonic vibration egweri nwekwara uru nke kọmpat Ọdịdị, ọnụ ala, na mfe popularization na ngwa.
Oge nzipu: Jul-30-2022