Likarolo tsa shaft ke e 'ngoe ea likarolo tse tloaelehileng tse atisang ho kopana le mechini.E sebelisoa haholo ho ts'ehetsa zero ea phetiso

Lisebelisoa, fetisa torque le mojaro oa bere.Likarolo tsa shaft ke likarolo tse potolohang tseo bolelele ba tsona bo leng boholo ho feta bophara, 'me ka kakaretso li entsoe ka bokaholimo ba cylindrical, bokaholimo ba conical, lesoba le ka hare le khoele ea moqomo oa concentric le bokaholimo bo lekanang.Ho ea ka libopeho tse fapaneng tsa sebopeho, likarolo tsa shaft li ka aroloa ka li-optical shafts, li-stepped shafts, hollow shafts le crankshafts.

Li-shaft tse nang le karo-karolelano ea bolelele ba bolelele le bophara ba tse ka tlaase ho 5 li bitsoa li-shaft tse khutšoanyane, 'me tse nang le karo-karolelano e fetang 20 li bitsoa lithupa tse tšesaane.Li-shafts tse ngata li pakeng tsa tse peli.

The shaft e tšehetsoa ke bering, 'me karolo ea shaft e tsamaisanang le bering e bitsoa koranta.Likoranta tsa li-axle ke letšoao la kopano ea shafts.Ho nepahala ha tsona le boleng ba bokaholimo ka kakaretso ho hlokahala hore e be holimo.Litlhoko tsa bona tsa tekheniki hangata li hlophisitsoe ho latela mesebetsi ea mantlha le maemo a ts'ebetso a shaft, hangata lintho tse latelang:

(1) Ho nepahala ha tekanyo.Bakeng sa ho tseba boemo ba shaft, koranta e behang hangata e hloka ho nepahala ha maemo a holimo (IT5 ~ IT7).Ka kakaretso, ho nepahala ha sebopeho sa koranta ea shaft bakeng sa ho kopanya likarolo tsa phetisetso e tlase haholo (IT6～IT9).

(2) Ho nepahala ha sebopeho sa geometri Ho nepahala ha sebopeho sa likarolo tsa shaft haholo-holo ho bolela ho pota-pota, cylindricity, joalo-joalo ea koranta, khoune e ka ntle, lesoba la Morse taper, joalo-joalo Ka kakaretso, mamello e lokela ho lekanyetsoa ka har'a tekanyo ea mamello ea dimensional.Bakeng sa libaka tse pota-potileng ka hare le ka ntle tse nang le litlhoko tse phahameng tse nepahetseng, ho kheloha ho amohelehang ho lokela ho tšoauoa setšoantšong.

(3) Ho nepahala ha maemo a mabeli Litlhoko tsa ho nepahala ha boemo ba likarolo tsa shaft li khethoa haholo-holo ke boemo le mosebetsi oa sefate sa mochine.Ka kakaretso, hoa hlokahala ho netefatsa litlhoko tsa coaxiality tsa koranta ea shaft ea likarolo tsa phetisetso tse kopaneng ho koranta e tšehetsang shaft, ho seng joalo e tla ama ho nepahala ha phetisetso ea likarolo tsa phetiso (li-gear, joalo-joalo) le ho hlahisa lerata.Bakeng sa li-shafts tse nepahetseng tse tloaelehileng, mahlaseli a marang-rang a karolo e ts'oanang ea shaft ho jenale e tšehetsang hangata ke 0.01～0.03mm, 'me li-shafts tse nepahetseng haholo (joalo ka li-shafts tse kholo) hangata ke 0.001～0.005mm.

(4) Bokhopo ba bokaholimo Ka kakaretso, bokaholimo ba bophara ba shaft bo tsamaellanang le karolo ea phetiso ke Ra2.5 ~ 0.63μm, 'me bokaholimo ba bophara ba shaft e tšehetsang bo tsamaellanang le bering ke Ra0.63～0.16μm.

Likheo le lisebelisoa tsa likarolo tse phuthetsoeng tsa shaft
(1) Likarolo tsa likarolo tsa Shaft Likarolo tsa Shaft li ka khethoa e le likheo, li-forging le mefuta e meng e se nang letho ho latela litlhoko tsa tšebeliso, mefuta ea tlhahiso, maemo a thepa le sebopeho.Bakeng sa li-shafts tse nang le phapang e fokolang ka bophara ba ka ntle, lisebelisoa tsa bar hangata li sebelisoa;bakeng sa li-shafts tse hatelitsoeng kapa li-shafts tsa bohlokoa tse nang le bophara bo boholo ba ka ntle, li-forging li atisa ho sebelisoa, tse bolokang thepa le ho fokotsa mosebetsi oa machining.Ntlafatsa thepa ea mochini.

Ho ea ka litekanyo tse fapaneng tsa tlhahiso, ho na le mefuta e 'meli ea mekhoa ea ho qhekella e se nang letho: ho forging mahala le ho forging.Forging ea mahala e sebelisoa haholo bakeng sa tlhahiso ea li-batch tse nyane le tse mahareng, 'me "die forging" e sebelisetsoa tlhahiso ea bongata.

(2) Thepa ea likarolo tsa shaft Likarolo tsa shaft li lokela ho khetha lisebelisoa tse fapaneng le ho amohela litlhaloso tse fapaneng tsa kalafo ea mocheso (joalo ka ho tima le ho futhumatsa, ho tloaeleha, ho tima, joalo-joalo) ho latela maemo a fapaneng a ts'ebetso le litlhoko tsa ts'ebeliso ho fumana matla a itseng, boima le ho hanyetsa Abrasion. .

45 tšepe ke thepa e tloaelehileng bakeng sa likarolo tsa shaft.E theko e tlase mme kamora ho tima le ho halefa (kapa ho tloaeleha), e ka fumana ts'ebetso e ntle ea ho itšeha, 'me e ka fumana lisebelisoa tse felletseng tsa mochini joalo ka matla a holimo le ho tiea.Kamora ho tima, boima ba bokaholimo bo ka fihla ho 45 ~ 52HRC.

Alloy meralo ea tšepe e kang 40Cr e loketse likarolo tsa shaft ka ho nepahala ha mahareng le lebelo le phahameng.Ka mor'a ho tima le ho futhumatsa le ho tima, mofuta ona oa tšepe o na le thepa e ntle ea mochine.

E nang le tšepe ea GCr15 le 65Mn ea tšepe ea selemo, ka mor'a ho tima le ho futhumatsa le ho tima metsi a mangata, ho thatafala ha holim'a metsi ho ka fihla ho 50-58HRC, 'me e na le khanyetso e phahameng ea mokhathala le khanyetso e ntle ea ho apara, e ka sebelisetsoang ho etsa li-shafts tse nepahetseng haholo.

Mochini o ka sehloohong oa sesebelisoa sa mochini o nepahetseng (joalo ka lebili le sila la grinder, spindle ea mochini oa boring oa jig) o ka khetha 38CrMoAIA nitride steel.Ka mor'a ho tima le ho futhumatsa le ho nitriding holim'a metsi, tšepe ena e ke ke ea fumana feela boima bo phahameng ba holim'a metsi, empa hape e boloka motheo o bonolo, kahoo e na le ts'ebetso e ntle ea ho hanyetsa le ho tiea.Ha e bapisoa le tšepe e entsoeng ka carburized le e thata, e na le litšoaneleho tsa deformation e nyenyane ea phekolo ea mocheso le boima bo phahameng.

No. 45 tšepe e sebelisoa haholo ha ho etsoa mechine, 'me thepa ea mechine ea tšepe ena e ntle haholo.Empa sena ke tšepe ea carbon e mahareng, 'me ts'ebetso ea eona ea ho tima ha e ntle.No. 45 tšepe e ka tima ho HRC42 ~ 46.Ka hona, haeba ho hlokahala hore ho be thata holim'a metsi 'me ho lakatseha lisebelisoa tse phahameng tsa 45 # tsa tšepe, bokaholimo ba tšepe ea 45 # hangata bo tima (ho tima kapa ho tima ka ho toba), e le hore ho ka fumanoa boima bo hlokahalang holim'a metsi.

Tlhokomeliso: No. 45 tšepe e nang le bophara ba 8-12mm e atisa ho ba le mapheo nakong ea ho tima, e leng bothata bo thata haholoanyane.Mehato ea hajoale e amohetsoeng ke ho ferekana ka potlako ha sampuli metsing nakong ea ho tima, kapa ho pholile ha oli ho qoba mapetsong.

Letšoao la Naha la Chaena No. 45 No. UNS Standard No. GB ​​699-88

Sebopeho sa lik'hemik'hale (%) 0.42-0.50C, 0.17-0.37Si, 0.50-0.80Mn, 0.035P, 0.035S, 0.25Ni, 0.25Cr, 0.25Cu

Shape ingot, billet, bar, tube, plate, strip state ntle le kalafo ea mocheso, annealing, normalizing, mocheso o phahameng oa mocheso

Tensile strength Mpa 600 Yield strength Mpa 355 Elongation% 16

Ho phutha sebakeng sa ho lokisa hlobo
The hlobo tjheseletsa consumable ea mohlala bakeng sa No. 45 tšepe ke: CMC-E45

Ke eona feela molamu oa ho tjheseletsa bakeng sa tšepe e thata-thata e nang le thepa e ntle ea ho kopanya, e loketseng bakeng sa tšepe e pholileng moeeng, tšepe e entsoeng ka tšepe: joalo ka ICD5, 7CrSiMnMoV ... joalo-joalo. likarolo tse otlolohileng, hape li ka sebelisoa bakeng sa tlhahiso e thata ea holim'a metsi.

Ho phaella moo, ho na le lintho tse ling tseo u lokelang ho li ela hloko ha u sebelisa:

1. Pele ho hahoa sebakeng se mongobo, electrode e lokela ho omisoa ka 150-200 ° C ka metsotso e 30-50.

2. Ka kakaretso ho futhumatsa ka holimo ho 200 ° C, moea o pholileng ka mor'a ho cheselletsa, ho imolla khatello ea kelello ho molemo ha ho khoneha.

3. Moo ho hlokehang ho cheselletsa holim'a li-multilayer, sebelisa CMC-E30N e le primer ho fumana phello e ntle ea welding.

Boima ba HRC 48-52

Lisebelisoa tse ka sehloohong tsa Cr Si Mn C

Sebaka sa hona joale se sebetsang:

Diameter le bolelele m/m 3.2*350mm 4.0*350mm
Tšepe ea 45 gauge ea fektheri ea rona e sebelisetsoa ho etsa motheo oa hlobohlobo.