Shaft zvikamu chimwe chezvakajairika zvikamu zvinowanzosangana mumashini.Inonyanya kushandiswa kutsigira kutapurirana zero

Zvikamu, fambisa torque uye kutakura mutoro.Shaft zvikamu zvikamu zvinotenderera izvo kureba kwacho kwakakura kupfuura dhayamita, uye zvinowanzo umbwa neyekunze cylindrical pamusoro, conical pamusoro, mukati mukati megomba uye shinda ye concentric shaft uye inoenderana yekupedzisira nzvimbo.Zvinoenderana neakasiyana maumbirwo maumbirwo, shaft zvikamu zvinogona kukamurwa kuita optical shafts, stepped shafts, hollow shafts uye crankshafts.

Mashaft ane reshiyo yehurefu-kusvika-dhayamita isingasviki 5 anonzi mapfupi shaft, uye ayo ane reshiyo inodarika makumi maviri anonzi matete.Mazhinji shafts ari pakati pezviviri.

Iyo shaft inotsigirwa nebearing, uye shaft chikamu chinofananidzwa nebearing chinonzi magazini.Axle majenari ndiwo mucherechedzo wegungano we shafts.Kururama kwavo uye kunaka kwepamusoro zvinowanzodiwa kuti zvive zvakakwirira.Zvavanoda zvehunyanzvi zvinowanzogadzirwa zvinoenderana nemabasa makuru uye mamiriro ekushanda e shaft, kazhinji zvinotevera zvinhu:

(1) Kururama kwedimensional.Kuti uone nzvimbo ye shaft, iyo inotakura jenari inowanzoda yakakwira dimensional kurongeka (IT5 ~ IT7).Kazhinji, kurongeka kweiyo shaft jenari yekuunganidza zvikamu zvekutapurirana kwakadzikira (IT6～IT9).

(2) Geometric chimiro kurongeka The geometric chimiro kururama kweshaft zvikamu zvinonyanya kureva kutenderera, cylindricity, etc. yejenari, kunze koni, Morse taper gomba, etc. Kazhinji, kushivirira kunofanira kugumira mukati medimensional kushivirira siyana.Kune yemukati uye yekunze yakatenderera nzvimbo ine yakakwirira chaiyo zvinodiwa, kutsauka kunobvumidzwa kunofanirwa kucherechedzwa padhirowa.

(3) Kudyidzana chinzvimbo kurongeka Iyo chinzvimbo chechokwadi chinodiwa cheshaft zvikamu zvinonyanya kutsanangurwa nechinzvimbo uye basa reshaft mumushini.Kazhinji, zvinodikanwa kuve nechokwadi che coaxiality zvinodiwa zveshaft jenari yezvikamu zvakaunganidzwa zvekutumira kune inotsigira shaft jenari, zvikasadaro zvinokanganisa kufambiswa kwechokwadi kwezvikamu zvekutapurirana (giya, nezvimwewo) uye kugadzira ruzha.Kune akajairwa mashafu, radial runout yechikamu chinofananidzira shaft kujenari inotsigira inowanzoita 0.01～0.03mm, uye yakakwirira chaiyo shafts (senge main shafts) inowanzo 0.001～0.005mm.

(4) Kukasharara kwepamusoro Kazhinji, kushata kweshaft dhayamita inofananidzwa nechikamu chekufambisa iRa2.5～0.63μm, uye kushata kwedhayamita yeshaft inotsigira inofananidzwa nebhero iRa0.63～0.16μm.

Mabhanga uye zvinhu zvezvikamu zvakapetwa shaft
(1) Shaft zvikamu blanks Shaft zvikamu zvinogona kusarudzwa sezvisina chinhu, forgings uye mamwe mafomu asina chinhu zvinoenderana nezvinodiwa zvekushandisa, mhando dzekugadzira, mamiriro emidziyo uye chimiro.Kune shafts ine mutsauko mudiki mudhayamita yekunze, zvinhu zvebhawa zvinowanzoshandiswa;kune shaft yakatsikwa kana mashaft akakosha ane madhayamita makuru ekunze, forgings inowanzoshandiswa, iyo inochengetedza zvinhu uye inoderedza basa rekugadzira machining.Vandudza michina zvinhu.

Zvinoenderana nezviyero zvakasiyana zvekugadzira, kune marudzi maviri enzira dzisina chinhu dzekuforoma: yemahara kuforoma uye kufa kwekugadzira.Yemahara forging inonyanya kushandiswa kugadzira diki uye yepakati batch, uye kufa forging kunoshandiswa kugadzirwa kwakawanda.

(2) Material ye shaft zvikamu Shaft zvikamu zvinofanirwa kusarudza zvinhu zvakasiyana uye kutora zvakasiyana siyana kurapwa kwekupisa (sekudzima uye kupisa, normalizing, quenching, nezvimwewo) zvinoenderana neakasiyana mamiriro ekushanda uye zvinodiwa zvekushandisa kuti uwane rimwe simba, kuoma uye Abrasion kuramba. .

45 simbi chinhu chakajairika kune shaft zvikamu.Iyo yakachipa uye mushure mekudzima uye kudzikamisa (kana normalizing), inogona kuwana zvirinani kucheka kuita, uye inogona kuwana yakazara mechanicha zvimiro senge yakakwira simba uye kuoma.Mushure mekudzima, kuoma kwepamusoro kunogona kusvika ku45 ~ 52HRC.

Alloy structural simbi yakadai se40Cr inokodzera shaft zvikamu zvine yepakati nepakati uye kumhanya kwakanyanya.Mushure mekudzima nekudziya uye kudzima, rudzi urwu rwesimbi rune zviri nani zvakakwana zvemichina.

Iine simbi GCr15 uye chitubu simbi 65Mn, mushure mekudzima uye kudziya uye pamusoro-yakakwirira-frequency kudzima, kuomarara kwepamusoro kunogona kusvika 50-58HRC, uye ine yakanyanya kuneta kuramba uye yakanaka kupfeka kuramba, iyo inogona kushandiswa kugadzira yakakwirira-chaiyo shafts.

Iyo huru shaft yemuchina chaiwo wemuchina (senge vhiri rekukuya shaft yeguyo, iyo spindle yemuchina wejig unofinha) unogona kusarudza 38CrMoAIA nitride simbi.Mushure mekudzima nekudziya uye nepamusoro nitriding, simbi iyi haingogone kuwana kuomarara kwepamusoro, asi zvakare kuchengetedza yakapfava musimboti, saka ine yakanaka mhedzisiro kuramba uye kuoma.Kuenzaniswa nesimbi yakabikwa uye yakaomeswa, ine hunhu hwehudiki hwekupisa kupisa deformation uye kuomarara kwepamusoro.

Nhamba ye45 simbi inoshandiswa zvakanyanya mukugadzira michina, uye michina yesimbi iyi yakanaka kwazvo.Asi iyi isimbi yepakati kabhoni, uye kuita kwayo kwekudzima hakuna kunaka.Nhamba 45 simbi inogona kudzimwa kusvika HRC42 ~ 46.Nokudaro, kana kuoma kwepamusoro kuchidiwa uye hukuru hwemagetsi e45 # simbi inodiwa, pamusoro pe45 # simbi inowanzodzima (high-frequency quenching kana kudzima zvakananga), kuitira kuti kuoma kwepamusoro kunodiwa kunogona kuwanikwa.

Cherechedza: Nha.Matanho azvino anotorwa ari kukurumidza kubvongodza sampuli mumvura panguva yekudzima, kana kutonhora kwemafuta kudzivirira kutsemuka.

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

Kemikari yakagadzirwa (%) 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, chubhu, ndiro, strip mamiriro pasina kupisa kupisa, annealing, normalizing, kupisa kwakanyanya.

Simba rekusimba Mpa 600 Goho simba Mpa 355 Elongation% 16

Kupeta mumunda wekugadzirisa mold
The mold welding consumable model for No. 45 steel is: CMC-E45

Ndiyo yega tsvimbo yesimbi yepakati-kuoma kwesimbi ine zvinhu zvakanaka zvekubatanidza, yakakodzera simbi yakatonhodzwa nemhepo, simbi yakakandwa: yakadai seICD5, 7CrSiMnMoV ... etc. Auto sheet metal cover cover molds uye hombe metal sheet sheet metal stamping molds yekudhirowa nekugadzirisa. zvikamu zvakatambanudzwa, uye zvinogona zvakare kushandiswa pakugadzirwa kwakaoma kwepasi.

Mukuwedzera, pane zvimwe zvinhu zvekuteerera paunenge uchishandisa:

1. Usati wavakwa munzvimbo yakasviba, electrode inofanira kuomeswa pa 150-200 ° C kwemaminitsi 30-50.

2. Kazhinji preheating pamusoro pe 200 ° C, kutonhora kwemhepo mushure mekuputika, kusununguka kwekunetseka kunonyanya kunaka kana zvichibvira.

3. Panodiwa multilayer surfacing welding, shandisa CMC-E30N seprimer kuti uwane zvirinani welding.

Kuoma HRC 48-52

Zvishandiso zvikuru Cr Si Mn C

Inoshanda ikozvino renji:

Diameter uye kureba m/m 3.2 * 350mm 4.0 * 350mm
Iyo 45 gauge simbi yefekitari yedu inoshandiswa kugadzira hwaro hwe moldmould.