Izingxenye ze-shaft zingenye yezingxenye ezijwayelekile ezivame ukuhlangana nazo emishinini.Ngokuyinhloko isetshenziselwa ukusekela i-zero yokudlulisela

Izingxenye, hambisa i-torque kanye nomthwalo webhere.Izingxenye ze-shaft ziyizingxenye ezijikelezayo ubude bazo bukhulu kunobubanzi, futhi ngokuvamile zakhiwa indawo engaphandle ye-cylindrical, i-conical surface, imbobo yangaphakathi kanye nentambo ye-shaft concentric kanye nendawo yokugcina ehambisanayo.Ngokuvumelana nezimo ezihlukene zesakhiwo, izingxenye ze-shaft zingahlukaniswa zibe ama-optical shafts, ama-stepped shafts, ama-hollow shafts nama-crankshafts.

Amashafu anesilinganiso sobude nobubanzi obungaphansi kuka-5 abizwa ngokuthi ama-shaft amafushane, futhi lawo anesilinganiso esingaphezu kuka-20 abizwa ngokuthi ama-slender shafts.Amashafu amaningi aphakathi kwalokhu okubili.

I-shaft isekelwa i-bearing, futhi ingxenye ye-shaft ehambisana ne-bearing ibizwa ngokuthi ijenali.Amajenali e-Axle ayisilinganiso sokuhlanganisa samashafti.Ukunemba kwazo kanye nekhwalithi yangaphezulu ngokuvamile kuyadingeka ukuze kube phezulu.Izidingo zabo zobuchwepheshe zivame ukwakhiwa ngokwemisebenzi esemqoka kanye nezimo zokusebenza ze-shaft, ngokuvamile izinto ezilandelayo:

(1) Ukunemba kobukhulu.Ukuze unqume indawo ye-shaft, ijenali ephethe ngokuvamile idinga ukunemba okuphezulu kobukhulu (IT5 ~ IT7).Ngokuvamile, ukunemba kohlangothi kwejenali ye-shaft yokuhlanganisa izingxenye zokudlulisela kuphansi kakhulu (IT6～IT9).

(2) Ukunemba komumo wejiyomethri Ukunemba komumo wejometri wezingxenye zeshafi ngokuyinhloko kubhekisela ekuyindizeni, kusilinda, njll. kwejenali, ikhoni yangaphandle, imbobo ye-Morse taper, njll. Ngokuvamile, ukubekezelelana kufanele kukhawulelwe ngaphakathi kwebanga lokubekezelelana kwe-dimensional.Ezindaweni eziyindilinga zangaphakathi nezingaphandle ezinezidingo zokunemba okuphezulu, ukuchezuka okuvumelekile kufanele kumakwe emdwebeni.

(3) Ukunemba kokuma okuhlangene Izidingo zokunemba kwendawo yezingxenye ze-shaft zinqunywa ngokuyinhloko indawo kanye nomsebenzi we-shaft emshinini.Ngokuvamile, kuyadingeka ukuqinisekisa izidingo ze-coaxiality zejenali ye-shaft yezingxenye zokudlulisela ezihlanganisiwe kujenali ye-shaft esekelayo, ngaphandle kwalokho izothinta ukunemba kokudluliselwa kwezingxenye zokudlulisela (amagiya, njll.) futhi idale umsindo.Kumashafti avamile anembayo, ukuphuma kwe-radial kwesigaba seshafti ehambisanayo kujenali esekelayo kuvamise ukuba ngu-0.01～0.03mm, futhi ama-shaft anembe kakhulu (njengama-shaft amakhulu) ngokuvamile angu-0.001～0.005mm.

(4) Ukuhwashala kobuso Ngokuvamile, ubulukhuni bobukhulu bobubanzi be-shaft obufaniswe nengxenye yokudlulisela bungu-Ra2.5～0.63μm, futhi ubulukhuni obungaphezulu be-diameter ye-shaft esekelayo efaniswe ne-bheringi ngu-Ra0.63～0.16μm.

Izikhala kanye nezinto zezingxenye ze-shaft ezigoqiwe
(1) Izikhala zezingxenye ze-Shaft Izingxenye ze-Shaft zingakhethwa njengezikhala, ama-forging namanye amafomu angenalutho ngokwezidingo zokusetshenziswa, izinhlobo zokukhiqiza, izimo zemishini kanye nesakhiwo.Kumashafu anomehluko omncane kububanzi bangaphandle, izinto zokusetshenziswa zebha zivame ukusetshenziswa;kuma-shafts stepped noma ama-shafts abalulekile anama-diameter amakhulu angaphandle, ama-forging avame ukusetshenziswa, okugcina izinto ezibonakalayo futhi anciphise umsebenzi womshini.Thuthukisa izakhiwo zemishini.

Ngokwezilinganiso ezihlukene zokukhiqiza, kunezinhlobo ezimbili zezindlela zokubumba ezingenalutho: ukufoja mahhala kanye ne-die forging.I-Forging yamahhala isetshenziswa kakhulu ekukhiqizeni amaqoqo amancane naphakathi, kanti i-die forging isetshenziselwa ukukhiqiza ngobuningi.

(2) Impahla yezingxenye ze-shaft Izingxenye ze-Shaft kufanele zikhethe izinto ezihlukene futhi zamukele ukucaciswa kokwelashwa okuhlukile (njengokucisha nokushisa, ukujwayelekile, ukucisha, njll.) ngokuya ngezimo zokusebenza ezihlukene kanye nezidingo zokusebenzisa ukuze uthole amandla athile, ukuqina kanye nokumelana ne-Abrasion .

Insimbi engu-45 iyinto evamile yezingxenye ze-shaft.Ishibhile futhi ngemva kokucisha kanye nokushisa (noma ukujwayela), ingathola ukusebenza okungcono kokusika, futhi ingathola izici zemishini ezibanzi njengamandla aphezulu kanye nokuqina.Ngemva kokucisha, ubulukhuni bobuso bungaba Kufika ku-45 ~ 52HRC.

I-alloy structural steel efana ne-40Cr ifanele izingxenye ze-shaft ezinokunemba okuphakathi kanye nesivinini esikhulu.Ngemva kokucisha kanye nokushisa nokucisha, lolu hlobo lwensimbi lunezakhiwo ezingcono kakhulu zemishini.

Insimbi ene-GCr15 ne-spring steel 65Mn, ngemva kokucisha kanye nokushisa kanye nokucisha imvamisa ephezulu, ukuqina kobuso bungafinyelela ku-50-58HRC, futhi kunokumelana nokukhathala okuphezulu nokumelana nokugqokwa okuhle, okungasetshenziswa ukwenza imishayo enembayo ephezulu.

Ishafu eyinhloko yethuluzi lomshini wokunemba (njenge-grinder shaft yesondo lokugaya, iphini lokuphotha lomshini oyisidina we-jig) lingakhetha insimbi engu-38CrMoAIA nitride.Ngemuva kokucisha nokushisa kanye ne-surface nitriding, le nsimbi ayikwazi nje ukuthola ubulukhuni obuphezulu bomhlaba, kodwa futhi igcine isisekelo esithambile, ngakho-ke inokumelana nomthelela omuhle kanye nokuqina.Uma kuqhathaniswa nensimbi e-carburized futhi eqinile, inezici ze-deformation encane yokwelashwa kokushisa kanye nobunzima obuphakeme.

Insimbi engu-45 isetshenziswa kabanzi ekwenziweni kwemishini, futhi izakhiwo zemishini zale nsimbi zinhle kakhulu.Kodwa lokhu kuyinsimbi ye-carbon ephakathi, futhi ukusebenza kwayo kokucisha akukuhle.Insimbi engunombolo 45 ingacishwa ibe yi-HRC42~46.Ngakho-ke, uma ubulukhuni bobuso budingeka futhi izakhiwo eziphakeme zemishini ye-45 # zensimbi zifunwa, ubuso bensimbi engu-45 # buvame ukucinywa (ukucinywa kwe-high-frequency noma ukucima okuqondile), ukuze kutholakale ubulukhuni obudingekayo.

Qaphela: Insimbi engu-45 enobubanzi obungu-8-12mm ijwayele ukuqhekeka ngesikhathi sokucisha, okuyinkinga eyinkimbinkimbi.Izinyathelo zamanje ezamukelwayo wukunyakaza okusheshayo kwesampula emanzini ngesikhathi sokucisha, noma ukupholisa uwoyela ukuze kugwenywe imifantu.

I-National Chinese Brand No. 45 No. UNS Standard No. GB ​​699-88

Ukwakheka kwamakhemikhali (%) 0.42-0.50C, 0.17-0.37Si, 0.50-0.80Mn, 0.035P, 0.035S, 0.25Ni, 0.25Cr, 0.25Cu

Ingot yomumo, i-billet, ibha, ishubhu, ipuleti, isimo sokukhumula ngaphandle kokwelashwa kokushisa, ukufakwa kwe-annealing, ukujwayelekile, ukushisa okuphezulu

Amandla e-tensile Mpa 600 Isivuno samandla Mpa 355 Elongation% 16

Ukugoqa emkhakheni wokulungisa isikhunta
Imodeli ye-mold welding consumable ye-No. 45 steel yile: CMC-E45

Iyona kuphela induku yokushisela yensimbi enobulukhuni obumaphakathi enezakhiwo ezinhle zokubopha, ezifanele insimbi epholiswe umoya, insimbi ecijile: njenge-ICD5, 7CrSiMnMoV… njll. Izibunzi zekhava yensimbi yeshidi elizenzakalelayo kanye nezibunzi zensimbi ezinkulu zeshidi lensimbi zokudweba nokulungisa. izingxenye ezinwetshiwe, futhi zingasetshenziselwa ukukhiqizwa kwendawo eqinile.

Ngaphezu kwalokho, kunezinto ezithile okufanele uzinake lapho usebenzisa:

1. Ngaphambi kokwakhiwa endaweni emanzi, i-electrode kufanele yomiswe ku-150-200 ° C imizuzu engu-30-50.

2. Ngokuvamile ukushisa kuqala ngaphezu kuka-200 ° C, ukupholisa umoya ngemva kokushisela, ukukhulula ukucindezeleka kungcono kakhulu uma kungenzeka.

3. Lapho kudingeka i-welding ye-surfacing multilayer, sebenzisa i-CMC-E30N njenge-primer ukuze uthole umphumela ongcono wokushisela.

Ubulukhuni HRC 48-52

Izithako eziyinhloko u-Cr Si Mn C

Ibanga lamanje elisebenzayo:

Ububanzi nobude m/m 3.2*350mm 4.0*350mm
Insimbi ye-gauge engu-45 yefekthri yethu isetshenziselwa ukwenza isisekelo sesikhunta kusoisikhunta.