Lub iav ncejyog qhov tseem ceeb tshaj plaws txhawb nqa thiab tig ib feem hauv kev tsim kho tshuab, uas tuaj yeem paub txog kev txav mus los ntawmcov iavthiab lwm yam khoom, thiab tuaj yeem xa lub zog thiab lub zog mus deb. Nws muaj qhov zoo ntawm kev ua haujlwm zoo, lub neej ntev thiab cov qauv me me. Nws tau siv dav thiab tau dhau los ua ib qho ntawm cov khoom tseem ceeb ntawm kev sib kis tshuab hauv tsev. Tam sim no, nrog rau kev txhim kho sai ntawm kev lag luam hauv tsev thiab kev nthuav dav ntawm cov khoom siv hauv tsev, yuav muaj kev thov tshiab rau cov tshuab hauv tsev. Kev xaiv cov khoom siv ntawm lub iav ncej, txoj kev kho cua sov, kev teeb tsa thiab kev kho ntawm cov khoom siv machining, cov txheej txheem hobbing, thiab kev pub mov yog qhov tseem ceeb heev rau qhov zoo ntawm kev ua thiab lub neej ntawm lub iav ncej. Daim ntawv no ua ib qho kev tshawb fawb tshwj xeeb ntawm cov txheej txheem ua ntawm lub iav ncej hauv cov tshuab hauv tsev raws li nws tus kheej kev coj ua, thiab tawm tswv yim rau kev tsim kho kom zoo sib xws, uas muab kev txhawb nqa kev siv tshuab zoo rau kev txhim kho cov txheej txheem ua ntawm lub iav ncej engineering.

Kev Tshawb Fawb Txog Kev Siv Tshuab Ua Haujlwm ntawmGear Ncejhauv Kev Tsim Kho Tshuab

Rau qhov yooj yim ntawm kev tshawb fawb, daim ntawv no xaiv cov iav nkag classic hauv cov tshuab siv hauv kev tsim kho, uas yog, cov khoom siv stepped shaft, uas yog tsim los ntawm splines, circumferential surfaces, arc surfaces, xub pwg nyom, grooves, ring grooves, iav thiab lwm yam sib txawv. Geometric surface thiab geometric entity composition. Cov kev xav tau precision ntawm cov iav shafts feem ntau yog qhov siab, thiab qhov nyuaj ua tiav yog qhov loj heev, yog li qee qhov txuas tseem ceeb hauv cov txheej txheem ua tiav yuav tsum tau xaiv thiab tshuaj xyuas kom raug, xws li cov ntaub ntawv, involute external splines, benchmarks, hniav profile ua tiav, kev kho cua sov, thiab lwm yam. Txhawm rau kom ntseeg tau tias qhov zoo thiab tus nqi ua tiav ntawm cov iav shaft, ntau yam txheej txheem tseem ceeb hauv kev ua tiav ntawm cov iav shafts tau tshuaj xyuas hauv qab no.

Kev xaiv cov khoom siv ntawmiav ncej

Cov iav hauv cov tshuab kis tau feem ntau yog ua los ntawm 45 hlau hauv cov hlau carbon zoo, 40Cr, 20CrMnTi hauv cov hlau alloy, thiab lwm yam. Feem ntau, nws ua tau raws li qhov yuav tsum tau ua ntawm cov khoom siv, thiab qhov hnav tsis kam zoo, thiab tus nqi tsim nyog.

Kev siv tshuab machining ntxhib ntawm iav ncej

Vim yog qhov yuav tsum tau muaj zog ntawm cov iav ncej, kev siv cov hlau puag ncig rau kev ua haujlwm ncaj qha siv ntau cov ntaub ntawv thiab cov neeg ua haujlwm, yog li cov forgings feem ntau yog siv ua cov blanks, thiab kev forging dawb tuaj yeem siv rau cov iav ncej nrog cov loj dua; Die forgings; qee zaum qee lub iav me me tuaj yeem ua rau hauv ib qho blank nrog lub ncej. Thaum lub sijhawm tsim khoom dawb, yog tias lub forging blank yog kev forging dawb, nws cov txheej txheem yuav tsum ua raws li GB / T15826 tus qauv; yog tias lub blank yog kev tuag forging, qhov kev tso cai machining yuav tsum ua raws li GB / T12362 system tus qauv. Forging blanks yuav tsum tiv thaiv cov teeb meem forging xws li cov nplej tsis sib xws, tawg, thiab tawg, thiab yuav tsum tau kuaj raws li cov qauv kev ntsuam xyuas forging hauv tebchaws.

Kev kho cua sov ua ntej thiab cov txheej txheem tig cov khoom seem

Cov khoom seem uas muaj ntau lub iav shafts feem ntau yog cov hlau carbon zoo thiab cov hlau alloy. Yuav kom ua rau cov khoom siv tawv thiab yooj yim ua, kev kho cua sov siv kev kho cua sov normalizing, uas yog: normalizing txheej txheem, kub 960 ℃, cua txias, thiab tus nqi hardness tseem yog HB170-207. Kev kho cua sov normalizing kuj tseem tuaj yeem ua rau cov khoom forging zoo nkauj, cov qauv siv lead ua zoo ib yam, thiab tshem tawm kev ntxhov siab forging, uas yog lub hauv paus rau kev kho cua sov tom ntej.

Lub hom phiaj tseem ceeb ntawm kev tig ntxhib yog txiav qhov kev tso cai machining ntawm qhov chaw ntawm qhov chaw dawb paug, thiab qhov kev ua tiav ntawm qhov chaw tseem ceeb nyob ntawm kev xaiv ntawm qhov chaw qhia qhov chaw. Cov yam ntxwv ntawm cov khoom siv iav thiab qhov tseeb ntawm txhua qhov chaw cuam tshuam los ntawm qhov chaw qhia qhov chaw. Cov khoom siv iav feem ntau siv lub axis ua qhov chaw qhia qhov chaw, yog li qhov chaw qhia tuaj yeem sib koom ua ke thiab sib phim nrog qhov chaw qhia qhov chaw. Hauv kev tsim khoom tiag tiag, lub voj voog sab nraud yog siv ua qhov chaw qhia qhov chaw ntxhib, cov qhov saum toj kawg nkaus ntawm ob qho kawg ntawm lub iav yog siv ua qhov chaw qhia qhov tseeb, thiab qhov yuam kev raug tswj hwm hauv 1/3 txog 1/5 ntawm qhov yuam kev.

Tom qab kev kho cua sov npaj tiav, qhov khoob raug tig lossis milled ntawm ob sab kawg (ua raws li kab), thiab tom qab ntawd cov qhov nruab nrab ntawm ob qho kawg raug cim, thiab cov qhov nruab nrab ntawm ob qho kawg raug drilled, thiab tom qab ntawd lub voj voog sab nraud tuaj yeem roughed.

Kev Siv Tshuab Machining ntawm Kev Ua tiav Sab Nraud Lub Voj Voog

Cov txheej txheem ntawm kev tig zoo yog raws li nram no: lub voj voog sab nraud yog tig zoo rau ntawm lub hauv paus ntawm cov qhov saum toj kawg nkaus ntawm ob qho kawg ntawm lub iav ncej. Hauv cov txheej txheem tsim khoom tiag tiag, cov iav ncej yog tsim tawm hauv cov pawg. Txhawm rau txhim kho kev ua haujlwm zoo thiab kev ua haujlwm zoo ntawm cov iav ncej, CNC tig feem ntau yog siv, yog li qhov zoo ntawm kev ua haujlwm ntawm txhua qhov workpieces tuaj yeem tswj tau los ntawm qhov kev pab cuam, thiab tib lub sijhawm, nws tau lees paub tias muaj txiaj ntsig zoo ntawm kev ua haujlwm ntau.

Cov khoom tiav lawm tuaj yeem raug quenched thiab tempered raws li qhov chaw ua haujlwm thiab cov kev cai ntawm cov khoom, uas tuaj yeem ua lub hauv paus rau kev kho qhov chaw quenching thiab nitriding ntawm qhov chaw tom qab, thiab txo qhov deformation ntawm kev kho qhov chaw. Yog tias tus qauv tsim tsis xav tau kev kho quenching thiab tempering, nws tuaj yeem nkag mus rau hauv cov txheej txheem hobbing ncaj qha.

Machining Technology ntawm Gear Ncej Hniav thiab Spline

Rau lub kaw lus kis ntawm cov tshuab siv hauv kev tsim kho, cov iav thiab cov splines yog cov khoom tseem ceeb rau kev xa lub zog thiab lub zog torque, thiab xav tau qhov tseeb siab. Cov iav feem ntau siv qib 7-9 qhov tseeb. Rau cov iav nrog qib 9 qhov tseeb, ob qho tib si iav hobbing cutters thiab iav shaping cutters tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm cov iav, tab sis qhov tseeb machining ntawm iav hobbing cutters yog siab dua li iav shaping, thiab tib yam yog qhov tseeb rau kev ua haujlwm zoo; Cov iav uas xav tau qib 8 qhov tseeb tuaj yeem ua hobbed lossis shaved ua ntej, thiab tom qab ntawd ua tiav los ntawm cov hniav truss; rau qib 7 high-precision iav, cov txheej txheem ua tiav sib txawv yuav tsum tau siv raws li qhov loj ntawm cov pawg. Yog tias nws yog ib pawg me me lossis ib daim Rau kev tsim khoom, nws tuaj yeem ua tiav raws li hobbing (grooving), tom qab ntawd los ntawm kev kub siab induction cua sov thiab quenching thiab lwm yam kev kho saum npoo, thiab thaum kawg los ntawm cov txheej txheem sib tsoo kom ua tiav qhov yuav tsum tau ua; yog tias nws yog kev ua tiav loj, thawj hobbing, thiab tom qab ntawd shaving. , thiab tom qab ntawd high-frequency induction cua sov thiab quenching, thiab thaum kawg honing. Rau cov iav uas muaj qhov yuav tsum tau quenching, lawv yuav tsum tau ua tiav ntawm qib siab dua li qib machining precision uas cov duab kos xav tau.

Cov splines ntawm lub iav ncej feem ntau muaj ob hom: rectangular splines thiab involute splines. Rau cov splines nrog cov kev xav tau siab, dov hniav thiab sib tsoo hniav siv. Tam sim no, involute splines yog qhov siv ntau tshaj plaws hauv kev tsim kho tshuab, nrog lub kaum sab xis ntawm 30 °. Txawm li cas los xij, cov txheej txheem ua cov iav ncej loj splines yog cumbersome thiab xav tau lub tshuab milling tshwj xeeb rau kev ua tiav; kev ua tiav me me tuaj yeem siv Lub phaj indexing yog ua tiav los ntawm tus kws tshaj lij tshwj xeeb nrog lub tshuab milling.

Kev Sib Tham Txog Kev Siv Carburizing Rau Ntawm Cov Hniav Los Yog Kev Siv Tshuab Kho Kom Tsis Txhob Kub Ntawm Qhov Chaw Tseem Ceeb

Qhov saum npoo ntawm lub iav ncej thiab qhov saum npoo ntawm qhov tseem ceeb ntawm lub ncej feem ntau xav tau kev kho saum npoo, thiab cov txheej txheem kho saum npoo suav nrog kev kho carburizing thiab kev quenching saum npoo. Lub hom phiaj ntawm kev kho tawv thiab kev kho carburizing yog ua kom qhov saum npoo ntawm lub ncej muaj qhov nyuaj dua thiab hnav tsis kam. Lub zog, toughness thiab plasticity, feem ntau cov hniav spline, grooves, thiab lwm yam tsis xav tau kev kho saum npoo, thiab xav tau kev ua tiav ntxiv, yog li thov pleev xim ua ntej carburizing lossis quenching saum npoo, tom qab kev kho saum npoo tiav lawm, kov maj mam thiab tom qab ntawd poob tawm, kev kho quenching yuav tsum tau them sai sai rau qhov cuam tshuam ntawm cov yam xws li tswj qhov kub thiab txias, qhov ceev txias, qhov nruab nrab txias, thiab lwm yam. Tom qab quenching, xyuas seb nws puas khoov lossis deformed. Yog tias qhov deformation loj, nws yuav tsum tau destressed thiab muab tso rau deformed dua.

Kev Tshawb Fawb Txog Kev Sib Tsoo Qhov Nruab Nrab thiab Lwm Cov Txheej Txheem Ua Kom Tiav Qhov Chaw Tseem Ceeb

Tom qab lub iav ncej kho qhov chaw, nws yog qhov tsim nyog los sib tsoo cov qhov saum toj kawg nkaus ntawm ob qho kawg, thiab siv qhov chaw hauv av ua qhov piv txwv zoo los sib tsoo lwm qhov tseem ceeb sab nraud thiab qhov kawg ntsej muag. Ib yam li ntawd, siv cov qhov saum toj kawg nkaus ntawm ob qho kawg ua qhov piv txwv zoo, ua tiav kev ua cov chaw tseem ceeb ze ntawm qhov zawj kom txog thaum cov kev cai kos duab tau ua tiav.

Kev Tshawb Fawb Txog Cov Txheej Txheem Ua Kom Tiav Ntawm Cov Hniav

Qhov ua tiav ntawm cov hniav kuj siv cov qhov saum toj kawg nkaus ntawm ob qho kawg ua qhov siv ua qhov kawg, thiab zom cov hniav thiab lwm qhov kom txog thaum kawg ua tiav qhov yuav tsum tau ua kom raug.

Feem ntau, txoj kev ua cov iav iav ntawm cov tshuab siv hauv kev tsim kho yog: blanking, forging, normalizing, rough turning, fine turning, rough hobbing, fine hobbing, milling, spline deburring, surface quenching lossis carburizing, central hole grinding, internal outer surface thiab end face grinding. Cov khoom sib tsoo ntawm qhov tseem ceeb sab nraud ze ntawm qhov tig groove raug tshuaj xyuas thiab muab tso rau hauv qhov chaw cia khoom.

Tom qab kev sau luv luv ntawm kev xyaum, txoj kev ua haujlwm tam sim no thiab cov txheej txheem xav tau ntawm cov iav ncej yog raws li tau qhia saum toj no, tab sis nrog kev txhim kho ntawm kev lag luam niaj hnub, cov txheej txheem tshiab thiab cov thev naus laus zis tshiab txuas ntxiv tshwm sim thiab siv, thiab cov txheej txheem qub tau txhim kho thiab siv tas li. Cov txheej txheem ua haujlwm kuj hloov pauv tas li.

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Cov txheej txheem ua haujlwm ntawm lub iav ncej muaj feem cuam tshuam loj heev rau qhov zoo ntawm lub iav ncej. Kev npaj ntawm txhua lub iav ncej thev naus laus zis muaj kev sib raug zoo heev nrog nws txoj haujlwm hauv cov khoom, nws txoj haujlwm thiab txoj haujlwm ntawm nws cov khoom cuam tshuam. Yog li ntawd, txhawm rau kom ntseeg tau tias qhov zoo ntawm lub iav ncej, Cov txheej txheem ua haujlwm zoo tshaj plaws yuav tsum tau tsim. Raws li qhov kev paub dhau los ntawm kev tsim khoom tiag tiag, daim ntawv no ua qhov kev tshuaj xyuas tshwj xeeb ntawm cov txheej txheem ua haujlwm ntawm lub iav ncej. Los ntawm kev sib tham ntxaws ntxaws txog kev xaiv cov ntaub ntawv ua haujlwm, kev kho qhov chaw, kev kho cua sov thiab kev txiav cov txheej txheem ua haujlwm ntawm lub iav ncej, nws sau cov kev coj ua ntau lawm kom ntseeg tau tias qhov zoo ntawm kev ua haujlwm thiab kev ua haujlwm ntawm lub iav ncej. Cov txheej txheem ua haujlwm zoo tshaj plaws nyob rau hauv qhov xwm txheej ntawm kev ua haujlwm zoo muab kev txhawb nqa tseem ceeb rau kev ua cov iav ncej, thiab tseem muab cov ntaub ntawv zoo rau kev ua cov khoom zoo sib xws.