Chevron hloov lwm lub tsev: strengths and weaknesses

Seem no ntawm lub mechanics li tshuab qhov chaw, yog tag nrho cov me nyuam kawm ntawv ntawm kev specialties. Highlights yog accented rau lub zog, cov uas tuaj nyob rau hauv ob peb cov ntaub ntawv. Spur, helical thiab herringbone iav - lawv yog siv nyob rau hauv txhua industries.

Li cas rau cov gearing

Ua ntej peb yuav tham txog dab tsi ib tug cylindrical herringbone iav, nws yog tsim nyog los hais nrog tus cai. Gearing siv mus rau kis teb tsab ntawv tsa suab ntawm cov shafts. Txij li thaum sib chwv xws li ib tug khub ntawm zog thiab cov iav hniav. Iav piv hloov nyob rau hauv lub iav loj thiab xov tooj ntawm cov hniav nyob saud.

Hloov cov angular ceev thiab torque - qhov yooj yim zog ntawm tej iav, xws li herringbone. Broad tib daim ntawv thov nyob rau hauv txawv industries yuav tsum tau tas mus li txoj kev loj hlob thiab kev txhim kho ntawm kev yam ntxwv ntawm cov kis tau tus mob. Raws li ib tug tshwm sim, muaj cov tshiab hom ntawm kev mus, siv high-zog alloys, cov hniav, thiab lwm yam

Herringbone zog thiab tag nrho txog lawv

Raws li peb tau to taub, qhov no hom ntawm kev koom tes hais txog ib tug iav. Peb txhais tau cov yam ntxwv nta ntawm ib tug me ntsis nrog ib tug muab kis tau tus mob. Los ntawm classical iav peb muaj qhov sib txawv. Firstly, lub crown ntawm tus hniav yog hais nyob rau hauv txawv kev qhia. Raws li, rau ntawm ib sab ntawm lub nplhaib lawv xav nyob rau hauv ib tug kev taw qhia thiab qhov rov qab - rau lwm sab.

Nws yog muaj kev ruaj ntseg hais tias cov kev hloov ntawm Chevron muaj ib tug lossis loj tus naj npawb ntawm zoo. Piv txwv li, hla ntawm axial load rau tus kabmob, uas muaj peev xwm sim haum cov kev pab cuam ntawm. Nyob rau hauv tas li ntawd, qhov no hom ntawm kis tau tus mob yuav ho ua rau kom lub kaum sab xis ntawm inclination ntawm cov hniav, uas yog kwv yees li 25-40 degrees. Thaum nyob rau hauv cov pa helical zog txwv yog 18 degrees.

Ntawm cov hoob kawm, muaj nuances. Firstly, lub siab complexity thiab nqi ntawm zus tau tej cov Chevron. Vim qhov no hom ntawm gearing siv mus rau kis muaj hwj huam thiab ceev nyob rau hauv qhov qhaj ntawv los ntawm axial loads, tus raug cov neeg yuav tsum muaj siab heev, thiab chaw pib lub nqi ntawm xws log yog tau siab. Ob, qhov yuav tsum tau siv floating ncej tsim. Rau qhov yooj yim vim li cas, engineers tseem tabtom siv helical iav, qhov twg ua tau, thiab ces siv lub Chevron.

Zoo Chevron log

Nws yuav tsum tau muab sau tseg tias tag nrho cov cov neeg kho tshuab transmissions muaj ib qho zoo thiab tsis zoo. Qhov no kuj siv rau Chevron koom tes. Xav txog cov kev txawj. Firstly, siab smoothness, uas yog tiav vim lub loj kaum sab xis ntawm cov hniav. Li ntawd, cov qhov ntev yuav muaj ntau yam me dua cov helical iav. Qhov no pub rau ntau yam khoom los txo qhov nyhav thiab me me ntawm lub tsev raws li ib tug tag nrho.

Durability kawm mus rau li qub siv (tsis tu ncua lubrication, culling, tsis muaj overheating thiab txhua yam kev puas tsuaj) yog hais txog 40 000 lub sij hawm. Raws li, qhov cia siab rau ntawm lub node yuav heev. Nws yog tshwm sim los ntawm qhov uas tsis muaj axial loads nyob rau hauv cov kabmob. Raws li ib tug yuav tau txais, yog tsis muaj overheating ntawm tus ncej thiab bearings.

Lub high efficiency (97-98%) - Lwm zog point Chevron log. Qhov no qhia feem ntau yog cov kev txiav txim zoo tshaj nyob rau hauv xaiv lub hom kis tau tus mob nyob rau hauv ib tug muab ntawm, raws li nws tso cai rau kom tau yam tsawg kawg nkaus losses thaum lub sij hawm lub lag luam. Qhov iav piv kuj yog ib qho tseem ceeb, uas tab sis yog tsis ntev mus rau lub fore, tab sis tseem muaj ib qhov chaw. Tej meej mom herringbone iav ua si ib qho tseem ceeb luag hauj lwm nyob rau hauv lub lag luam los ntawm hnyav luag hauj lwm cov tsheb thauj khoom nyob rau hauv cov ntshav.

Ib me ntsis txog cov shortcomings

Zoo li lwm yam kev kis tau tus mob, qhov no muaj ob peb tsis zoo. Ua ntej, raws li sau tseg saum toj no, cov complexity ntawm siv thiab ua. Nqi Chevron log yog siab txaus, txawm tias nws yog check. Feem ntau nyob rau hauv cov nyob rau hauv cov ntaub ntawv ntawm tsis ua hauj lwm ntawm tej ntawm nws yog ib qho tseem ceeb los hloov nws sai li sai tau. Nyob rau hauv cov ntaub ntawv no, paug suited helical thiab spur zog, uas yog ib qho yooj yim los tsim. Raws li rau lub Chevron, ces muaj yog tsis yog li ntawd yooj yim. mounting raug yuav tsum kuj yuav siab, yog li ua tus nqi ntawm lub sij hawm siv rau lub installation ib feem.

Suab nrov thaum lub sij hawm kev lag luam - seb qhov no yog li ntawd ib qho tseem ceeb?

Lwm drawback - cov suab nrov nyob speeds siab. Txawm tias tus cwj pwm nws thiaj tau tuaj mus rau lub Chevron hloov nws yuav plhom moj, vim hais tias nws kev txhawj xeeb rau tag nrho cov seem. Ib tug khub ntawm cov hlau hniav meshing thaum muaj kev kub ceev - nws yog ib txwm ringing suab nrov, uas, tab sis yog suppressed nrog ib tug tshwj xeeb lubricant thiab casings, tab sis tsis tau kiag li. Nws tau kuj tau hais tias hais txog cov floating ncej, uas yog yuav tsum tau rau tseeb lag luam ntawm lub node, thiab qhov no yuav tsub kom lub complexity ntawm tus tsim. Ua herringbone iav yog ua tib zoo tswj rau tag nrho cov ua sawv, yog li ntawd, puas khoom yog me me, txawm tias ib tug ob peb xyoos dhau los qhov teeb meem no yog xav paub ntxiv tu siab.

Nyob rau hniav profile

Raws li nyob rau hauv tag nrho cov hniav, nyob rau hauv kev lub Chevron hom hniav tej zaum yuav ua hauj lwm. Pre-xam yog ua herringbone iav. Cov nram qab no hom ntawm cov hniav:

• muaj hau ntswj nyob rau hauv ib tug kev taw qhia;
• Muaj hau ntswj nyob rau hauv txawv kev qhia;
• involute;
• neevolventnye.

Ntaub ntawv ntawm ib tug yam ncaj qha nyob rau hauv dab tsi yog tsim nyog mus cuag thaum lub sij hawm los ua ke ua hauj lwm. Piv txwv li, yog hais tias tus ntawm yog tsim los nrog tau xaav ntawm qhov chaw profile yog siv involute hniav. Nyob rau hauv tas li ntawd, muaj peb txoj kev rau cov iav log kho: convergence, thiab telescoped qub. By hloov qhov kev ncua deb rau qhov chaw ntawm lub profile, ib tug yuav ua tau ib tug los yog lwm txoj hauj lwm, uas yog tsim nyog rau kev txhim kho cov smoothness, ua rau kom tus mob stroke ceev, thiab lwm yam

Nws tseem yog ua kom pom tseeb xim rau lub fact tias cov tsis ncaj ncees lawm hom hniav sib phim nyob rau hauv ib tug cov ntaub ntawv yuav ua rau tej txim raws li: yuav txo tau ntawm qhov chaw resource ntawm, muaj zog nrov nrov, kev coj tus kheej overheating, thiab lwm yam Li ntawd, cov tseem ceeb tshaj plaws nyob ntev yog ib tug theoretical muab xam los ntawm cov kis tau tus mob.

Faib Chevron log

Raws li sau tseg saum toj no, tus neeg kho tshuab transmissions yog siv nyob rau hauv ntau industries. Thaum pom tias cov Chevron hloov lwm lub tsev, qhov zoo thiab qhov tsis zoo ntawm cov uas qhia txog lawv usefulness, yuav hais txog cov uniqueness. Cuaj kaum xeem nyob rau hauv lub lag luam thoob plaws hauv lub chevrons yuav tsis muab suav hais tias tsim nyog vim rau tus nqi thiab cov qauv siv complexity.

Tab sis txawm li ntawd, lawv yog indispensable nyob rau hauv metallurgical qhauj. Muaj herringbone iav siv nyob rau hauv dov mills, tej machine thiab lwm yam khoom. Qhov no yog vim lub fact tias cov Chevron log yuav ua tau:

• tsawg-ceev;
• nruab nrab ceev;
• ceev;
• fleet.

Txoj hauj lwm hom nyob rau hauv lub peripheral tshaj tawm. Cov feem ntau siv hloov lwm lub tsev Chevron nyob rau high school peripheral speeds (30 m / s). Automotive - lwm kev lag luam, uas tsis muaj kev siv ntawm tus neeg kho tshuab kis tau tus mob yog ib qhov nyuaj rau kev tswj. Tib yam siv rau cov tshuaj thiab khoom noj khoom haus industries.

khoom

Yuav luag tag nrho cov zog no yuav khaus coj. Vim li no nws yog tsim nyog los siv high-zog alloys, uas tau tiv nrog lub chaw ua hauj lwm nyob rau hauv nyuaj tej yam kev mob. Tam sim ntawd Chevron los yog iav log ua los ntawm steel, tiam sis yuav tsum dua li yuav cov hniav bronze. Tab sis, yog hais tias koj siv cov bronze nyob rau hauv nws cov ntshiab daim ntawv no, nws yog heev kim. Rau qhov yooj yim yog vim li cas, cov hniav melted hlau steel nrog ib tug bronze txheej.

Nws feem ntau tshwm sim hais tias lub tsev kawm ntawv yog kev kawm mus rau ntxov ntxov coj. Qhov no tshwm sim rau ntau yam yog vim li cas:

• runout nyob rau hauv cov kis;
• overheating ntawm lub log thiab pinions;
• tsis txaus lubrication.

Nyob rau hauv feem ntau ntawm cov neeg mob, nws tsis hloov mus rau ib tug tshiab thiab kho los ntawm fusing cov hniav. Qhov no yog siv nyob rau hauv yuav luag tag nrho cov cov neeg kho tshuab kis tau tus mob, yog tias ua tau thiab tsim nyog.

Yuav kom saib lub ntsab lug

Lub ntsiab kom zoo dua ntawm herringbone iav lus dag nyob rau hauv lub tau ntawm nws siv thaum muaj kev kub ceev. Qhov tseem ceeb luag hauj lwm ua si los ntawm qhov tseeb hais tias muaj yog tsis muaj axial load rau tus kabmob. Raws li, overheating yog cais ntawm, uas yog feem ntau ua ntawm cov feem ntau tsis ntev los no tsis ua hauj lwm.

Nyob rau tib lub sij hawm, lub siab tus nqi ntawm manufacturing Chevron log thiab zog tsis pub lub node qhov txhia chaw. Tib yam siv rau lub sij hawm ntawm lub installation ntawm herringbone iav, raws li zoo raws li tsim nyog cov tub txawg lub luag hauj lwm rau lub installation thiab commissioning ntawm lub tsev lag luam.