Ntau seem ntawmLub Zog Tshiab Reducer ZogthiabAutomotive Zog ZogCov phiaj xwm yuav tsum tau tua cov pumening tom qab iav sib tsoo, uas yuav ua rau tsis zoo ntawm cov hniav zoo, thiab tseem cuam tshuam rau cov kab ke nvh ntawm lub system. Daim ntawv no tshawb txog cov hniav sib txawv ntawm cov pob zeb sib txawv hauv paus thiab ntau qhov chaw ua ntej thiab tom qab tua cov npawg. Cov txiaj ntsig qhia tau tias kev tua cov Panening yuav ua rau cov hniav sib dhos, uas cuam tshuam los ntawm cov yam ntxwv ntawm qhov chaw thiab lwm yam; Nyob rau hauv cov txheej txheem uas twb muaj lawm cov txheej txheem, muaj lub siab tshaj plaws hniav rugeness tom qab tua chanenow yog 3.1 ua ntej ua ntej txhaj tshuaj peent. Cawv ntawm hniav roughness ntawm NVH kev ua haujlwm tau sib tham, thiab kev ntsuas los txhim kho cov ntxhib tom qab tau txhaj tshuaj.

Nyob rau hauv cov keeb kwm yav dhau los, daim ntawv no tham los ntawm peb yam:

Cawv ntawm muab tua cov txheej txheem sib tsoo ntawm cov hniav sib dhos kom zoo nkauj;

Qhov kev tua ntawm kev txhaj tshuaj tiv thaiv kab mob hniav ntawm hniav

Kev cuam tshuam ntawm cov hniav nce ntau ntxiv ntawm nvh kev ua haujlwm thiab ntsuas los txhim kho cov ntxhib.

Tua cov clenate yog hais txog cov txheej txheem uas ntau qhov projectiles nrog lub hardness me me nrog kev nyuaj thiab kev ceev nrawm tsoo saum npoo ntawm seem. Nyob rau hauv cov kev kub ceev ntawm qhov projectile ntawm lub projectile, qhov chaw ntawm ntu yuav tsim cov pits thiab cov yas deformation yuav tshwm sim. Cov koom haum ib puag ncig cov pits yuav tiv thaiv qhov deformation no thiab tsim cov kev ntxhov siab compressually. Qhov sib tshooj ntawm ntau cov pits yuav tsim cov teeb meem uas muaj kev nyuaj siab ntawm compressual compressive txheej ntawm cov npoo ntawm ib feem, yog li txhim kho lub zog nkees ntawm ib feem. Raws li txoj kev ntawm tau txais kev kub ceev, tua Peening yog feem ntau muab faib ua cov huab cua tua cov huab cua, raws li qhia hauv daim duab 1.

Lub tshuab nqus cua tua Peening yuav siv hluav taws xob ua ke raws li lub zog los tshuaj tsuag cov txhaj tshuaj los ntawm rab phom; Centrifugal txhaj tshuaj lom neeg siv lub cev muaj zog los tsav tus impeller kom tig ntawm qhov kev kub ceev kom pov txhaj tshuaj. Cov txheej txheem tseem ceeb ntawm kev txhaj tshuaj tiv thaiv Phasening, cov kev pab cuam thiab muab cov pob zeb tawg (cov khoom siv, cov qauv, tawv ncauj). Saturation lub zog yog ib qho ntsuas kom pom kev txhaj koob tshuaj tiv thaiv no, uas tau qhia los ntawm arc qhov siab (piv txwv li khoov ntawm almen kev sib tw tom qab tua peening); Cov nqi pab them nqi yog hais txog qhov sib piv ntawm thaj chaw uas npog los ntawm qhov chaw tom qab txhaj tshuaj Paenes; Cov tshuaj tua pawg sib tua sib tua xws li siv cov kab hlau, cov hlau tawg, duab thiab tawv tawv ntawm kev tua Maumoos muaj cov qhab nia sib txawv. Cov txheej txheem dav dav rau kev kis cov iav ncej ntsuas qhov chaw muaj nyob hauv Table 1.

Qhov kev xeem ntu yog nruab nrab ntawm cov iav xov tooj 1/6 ntawm ib txoj haujlwm hybrid. Lub iav qauv tau qhia hauv daim duab 2. Tom qab sib tsoo, cov hniav tawv yog li 710hv30, thiab qhov txiaj ntsig zoo txheej qhov tob yog 0.65mm, tag nrho nyob rau hauv cov tseev kom muaj. Cov hniav roughness ua ntej tua chanening yog qhia nyob rau hauv rooj 3, thiab cov hniav profile yog qhia ua ntej kev txhaj tshuaj mas, thiab cov hniav profile nkhaus yog tus.

Kuaj txoj kev npaj thiab ntsuas tsis

Siv cov cua tshuab hluav taws xob PURETENTE siv tau siv hauv kev sim. Vim tias qhov kev ntsuas sim, nws yog tsis yooj yim sua kom txheeb xyuas qhov cuam tshuam ntawm kev txhaj tshuaj mas nruab nrab cov khoom (cov khoom siv, qhov loj me, hardness). Yog li ntawd, cov khoom ntawm kev txhaj tshuaj mas tsis sib haum xeeb hauv qhov kev xeem. Tsuas yog kev cuam tshuam ntawm kev ua kom muaj zog thiab cov kev pab them nqi rau ntawm cov hniav roughness tom qab tua cov coening yog kev txheeb xyuas. Saib Cov Lus 2 rau cov phiaj xwm xeem. Cov txheej txheem txiav txim siab tshwj xeeb ntawm cov kev xeem yog raws li nram no: Kev kos duab Flative Test, yog li mus kaw qhov chaw siab tawv, yog li kom txav mus deb ntawm qhov thiab lwm yam khoom tsis sib xws.

Kuaj tshwm sim

Cov hniav sib thooj Qhov sib piv ntawm cov roughness tom qab tshuaj tsuag rau qhov roughness ua ntej txau yog siv los ua kom pom kev ntxhib siab (rooj 3). Nws tuaj yeem pom tau tias kev sib txawv ntawm kev sib txawv yog nyob hauv qab plaub tus txheej txheem kev mob.

Batch taug qab ntawm kev nthuav dav ntawm cov hniav sib npaug roughness los ntawm kev txhaj tshuaj peen

Cov kev ntsuas tau nyob hauv Ntu 3 qhia tias txoj kev siv hniav hniav kom zoo nkauj ntxiv tom qab kev tua cov txheej txheem sib txawv. Txhawm rau kom nkag siab txog qhov amplene ntawm hniav nto roughness thiab nce tus naj npawb ntawm cov xwm txheej ua ntej thiab tom qab txhaj tshuaj ntawm cov txheej txheem ntawm batch ntau lawm tua cov txheej txheem classes. Saib rooj 5 rau cov ntaub ntawv ntawm lub cev thiab tshuaj thiab tua peat cov ntaub ntawv ntawm cov iav sib tsoo. Kev npau taws thiab cov ntaub ntawv tshaj lij ntawm cov hniav txhuam hniav ua ntej tso quav, tom qab kev tua hniav ua ntej cov duab plaub; tom qab kev tua hniav ntau dua 3.

Cuam tshuam cov ntsiab lus ntawm cov hniav roughness tom qab tua peen

Nws tuaj yeem pom los ntawm cov txheej txheem ntawm kev txhaj koob tshuaj ntsuam xyuas tias lub siab hardness thiab high-ceev txav tua nplooj suav tsis tau rau ntawm ib feem saum npoo, uas yog qhov chaw ntawm Residual kev ntxhov siab. Nyob rau tib lub sijhawm, cov pits no tau ua tiav kom nce qhov saum npoo roughness. Cov yam ntxwv ntawm cov khoom ua ntej tua cov npias thiab tua cov txheej txheem peening, raws li cov kab mob sib tsoo tom qab txhaj tshuaj yeeb yaj kiab. Hauv qhov kev ntsuas no, muaj ob qhov hloov pauv, ua ntej tua cov kev sib raug zoo (saturation lub zog lossis kev tiv thaiv kev sib raug zoo ntawm kev txhaj tshuaj ntawm Post thiab txhua tus muaj feem cuam tshuam. Tam sim no, ntau tus kws tshawb fawb tau ua tiav kev tshawb fawb ua qauv ntawm kev sib tw ua ntej tom qab txhaj tshuaj ntau ntawm kev sib txawv ntawm cov txheej txheem sib txawv ntawm cov txheej txheem sib txawv ntawm cov txheej txheem sib txawv ntawm cov txheej txheem sib txawv.

Raws li cov kev paub tseeb thiab kev tshawb fawb ntawm lwm yam kev ntxhib los ntawm ntau yam tseem ceeb cuam tshuam rau cov kev ntxhov siab uas muaj compressive. Txhawm rau kom txo cov roughness tom qab tua peening ntawm kev ua kom zoo ntawm kev sib txuas lus sib xyaw ua ke, muaj ntau cov txheej txheem kev xeem yuav tsum ua kom tsis tu ncua cov parameter ua ke.

Cawv ntawm hniav sib npaug roughness ntawm nvh kev ua haujlwm ntawm lub system

Cov iav seem yog nyob rau hauv cov kev sib kis uas tau hloov kho cov kev sib kis, thiab cov hniav roughness yuav cuam tshuam lawv cov nvh kev ua tau zoo. Cov txiaj ntsig kev sim qhia tau tias nyob rau hauv tib lub thauj khoom thiab nrawm nrawm, qhov ntau dua qhov chaw vibration, ntau dua qhov kev co thiab suab nrov ntawm cov kab ke; Thaum lub nra thiab ceev nce, qhov kev co thiab suab nrov thiab nrov nrov ntxiv.

Nyob rau hauv xyoo tsis ntev los no, cov phiaj xwm ntawm cov neeg them hluav taws xob tshiab tau nce sai, thiab qhia qhov kev txhim kho ntawm kev kub ceev thiab loj torque. Nyob rau tam sim no, qhov siab tshaj plaws ntawm peb lub zog reducer tshiab yog 354N · m, thiab qhov nrawm yog nce mus rau ntau dua 20000r / min yav tom ntej. Raws li cov kev ua haujlwm zoo li no, tus cawv ntawm kev nce hniav nto roughness ntawm NVH kev ua haujlwm ntawm lub kaw lus yuav tsum tau txiav txim siab.

Kev txhim kho kev ntsuas rau cov hniav tawv nqaij tawv tom qab tua cov coening

Kev txhaj tshuaj peening txheej txheem tom qab cov iav sib tsoo tuaj yeem txhim kho kev sib cuag nkees zog ntawm lub iav hniav nto thiab muaj zog ntawm lub hauv paus hniav. Yog tias cov txheej txheem no yuav tsum tau siv vim muaj zog nyob hauv cov txheej txheem tsim qauv, txhawm rau muab kev txiav txim siab rau cov hniav hniav tom qab tua cov kab ke:

a. Txhim kho cov kev txhaj tshuaj Peening txheej, thiab tswj lub amplification ntawm hniav nto roughness tom qab kev ua siab zoo ntawm kev ua kom muaj kev ntxhov siab ntau dua. Qhov no yuav tsum muaj cov kev ntsuam xyuas ntau cov txheej txheem, thiab cov txheej txheem versatility yog tsis muaj zog.

b. Qhov kev sib xyaw ua ke class cov txheej txheem yog saws, tom qab lub zog ntawm lub zog clenzer ua tiav, ib qho kev txhaj tshuaj tiv thaiv kab mob hauv cov pob zeb ntxiv. Cov kev txhaj tshuaj ntau ntxiv rau hauv Pinening lub zog yog feem ntau me me. Hom thiab qhov loj me ntawm cov ntaub ntawv txhaj tshuaj tuaj yeem hloov kho, xws li cov tshuaj tua kab ceramic, khob hlau hlau txiav tua nrog me me.

c. Tom qab tua cov peenate, cov txheej txheem xws li hniav pmishing thiab honing pub dawb.

Hauv daim ntawv no, cov hniav sib thooj ntawm kev txhaj tshuaj sib txawv thiab tom qab kev txiav txim siab sib txawv, thiab tom qab cov lus xaus yog kos raws li cov ntawv sau:

Tua peenate yuav ua rau cov kab mob hniav ua kom muaj kev cuam tshuam nrog cov kev ntxhov siab ntawm cov kev ntxhov siab;

◆ Nyob rau hauv cov txheej txheem txheej txheem uas twb muaj lawm, muaj qhov siab tshaj plaws hniav rugeness yog 3.1 ua ntej ua ntej txhaj tshuaj peent;

◆ Qhov nce hniav sib npaug yuav ua rau cov kev co thiab suab nrov nrov ntawm lub system. Qhov ntau dua cov torque thiab nrawm nrawm, pom tseeb qhov nce ntawm kev co thiab suab nrov;

◆ Cov hniav sib thooj kom muaj kev txhaj tshuaj