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meshing gears

Nei backlash ichidikanwa pakati meshing magiya?

Nei backlash ichidikanwa pakati meshing magiya?

Kudzokera kumashure kwezino regiya kunoreva kutenderera kwerimwe giya kana giya rakagadziriswa, uye rinoverengerwa nehurefu hwearc yedenderedzwa.

1 dhizaini yedhizaini yediki giya backlash
Kuti ive nechokwadi chekuumbwa kweyakajairwa mafuta ekuzora firimu pakati pemazino uye kudzivirira kupisa kwekuwedzera deformation yegiya kubva pakuita kuti mazino egiya anamire, mazino anofanirwa kuve neakakodzera flank clearance kana abatanidzwa.

2 Kuverengera kweiyo shoma giya zino parutivi clearance
Iyo flank clearance inodiwa kuti ive yakajairika lubricant firimu inotemerwa nenzira yekuzora uye mutsara velocity ye index denderedzwa.

3 zino gap backlash inodiwa kune thermal deformation jnmin2
Kuverengerwa uchishandisa inotevera formula:

Nei backlash ichidikanwa pakati meshing magiya?

Nei backlash ichidikanwa pakati meshing magiya?

Jnmin2=2α(α1△t1-α2△t2)sinαn(1)

Ikoko: jnmin2 - tembiricha muripo backlash, mm;

A--yepakati chinhambwe chegiya peya, mm;

11, α2——mutsara wekuwedzera koefficient yegiya nebhokisi zvinhu, 1/°C;

Δt1, Δt2--musiyano wekushisa pakati pegiya nebhokisi paunenge uchishanda neyakajairwa tembiricha, °C

NN - normal pressure angle. Nei backlash ichidikanwa pakati meshing magiya?

4 Backlash kudzikisira nekuda kwegiya machining uye yekumisikidza kukanganisa
K=[f2pb1+f2pb2+(Fβcosαn)2+(fxsinαn)2+

(fycosαn)2]1/2(2)

Ikoko: K - kukanganisa muripo backlash, mm;

Fpb1, fpb2 - iyo base yejoini muganho kutsauka kweiyo giya peya, mm;

Fβ——kushivirira kwezino, mm;

Fx, fy - iyo parallelism kushivirira kwegiya sub-axis x uye y mafambiro, mm.

1.2.3 Kutsauka kwepakati hakuna kunaka, zvichiita kuti musana uderedze neG.

Nei backlash ichidikanwa pakati meshing magiya?

Nei backlash ichidikanwa pakati meshing magiya?

Kana kutsauka kwepakati-kusvika-pakati kwegiya peya kwakashata, chinhambwe chepakati chinodzikiswa, kuitira kuti giya rekudzikisa gap regiya rinoverengerwa neinotevera formula:

G=2fαsinαn(3)

Ikoko: G——muripo wepakati pedaro, mm;

Fa - pakati daro kutsauka, mm.

1.2.4 zino ukobvu kutsauka kugadzira giya zino backlash kuverenga jnmin

Kuverengerwa uchishandisa inotevera formula:

Jnmin=jnmin1+jnmin2+K+G(4)

Mune formula: jnmin - iyo shoma flank clearance inodiwa pakushanda chaiko kwegiya pair, mm.

Nei backlash ichidikanwa pakati meshing magiya?

5 gear side clearance kugadzirisa nzira
Pane nzira mbiri dzekuwana backlash: imwe ndiyo base base mazino ukobvu sisitimu, ndiko kuti, muganhu kutsauka kweiyo yakagadziriswa mazino ukobvu, uye iyo yakasiyana diki yekumisa backlash inowanikwa nekushandura kutsauka kwekutanga kwepakati chinhambwe; imwe nzira ndeye base centre system, kureva Kutsauka kwemuganho wenzvimbo yakatarwa yepakati inowanikwa nekushandura kutsauka kwepamusoro kwehupamhi hwezino kuti uwane akasiyana muganhu wekudzokera kumashure.Nei backlash ichidikanwa pakati meshing magiya?

Mukufambiswa kwemaitiro ekuuraya, pinion uye kutakura kunosungirirwa pamwe chete sezvikamu zvakajairika, uye mazino mazino haagone kuchinjwa. Kuti uwane zvinodikanwa zvegiya kuti utsungirire mitoro mikuru, hupamhi hwepinioni haugone kuderedzwa.

Nei backlash ichidikanwa pakati meshing magiya? Izvo zvinodikanwa zvakare kushandisa yakanaka kusimuka kuti uwedzere giya gobvu. Nokudaro, hazvibatsiri kuwana kugadziriswa kwemashure ekudzokera shure mumutambo wekuuraya nenzira iyi. Izvo zvinodikanwa kushandisa base base mazino ukobvu system, ndiko kuti, kuwana akasiyana madiki muganho weparutivi magapu nekuchinja kutsauka kwekutanga kwepakati chinhambwe.

Nei backlash ichidikanwa pakati meshing magiya?

Pane zvakawanda zvakafanana pakati pemukati meshing drive uye yekunze meshing. Nei backlash ichidikanwa pakati meshing magiya? Iyo yemukati meshing drive ine mitemo yakawanda yakafanana neyekunze meshing, asi maitiro ayo akasiyana akakodzera kutariswa. Semuenzaniso, kune marudzi mana e "kupindira" zviitiko mumukati meshing transmission, kunyanya mu meshing transmission giya chitima chine musiyano wemazino mashoma. Naizvozvo, munenge mune zvese zviitiko, chitima chemukati chegiya chakagadzirwa segiya rekutamisa kudzivirira "kupindira" kusingadiwe.
(1) Batanidza kupindira
Mune yemukati mesh kutapurirana, kana iyo yemukati giya zino tip inodarika iyo giya theoretical meshing muganho poindi n1, involute kupindira kunoitika, izvo zvakangofanana nekukanganisa kupindira kwekunze mesh.
(2) Inosanganisira kupindirana kwechimiro chezino
Mune maviri emukati magiya ekufambisa, kana mutsauko wehuwandu hwemazino ((z2 - z1) uri mudiki, panogona kunge paine chiitiko chekuti mazino profiles asiri munzvimbo yemeshing anopindirana, ndiko kuti, kana meshing yapera. pinion inobuda mukati megiya cogging, Gear zino rinopindirana rinoitika pane giya zino tip; iyo giya yegiya inogadzira yakadaro kukanganiswa kwezino haigone kufambiswa (ona Mufananidzo 2-7).Nei backlash ichidikanwa pakati meshing magiya? Kana iyo yemukati giya inogadzirwa nepinion cutter ine musiyano mudiki muhuwandu hwemazino, iyo yakatemwa inogona kuitika. Iko kupindira kwechiitiko chemukati giya zino tip.
(vatatu) kupindira kweradial
Nei backlash ichidikanwa pakati meshing magiya? Pakuunganidza iyo yemukati giya peya, dzimwe nguva giya rekunze rinogona kungoiswa mukati megiya mune axial gwara, uye giya rekunze harigone kukwidziridzwa kune meshing chinzvimbo negiya remukati. Iyo yekunze giya iyo yakakwidzwa axially kune yakabatanidzwa chinzvimbo haikwanisewo kubuda mukati megiya mhete munzira yeradial. Ichi chiitiko chinonzi radial interference. Kana iyo yemukati giya ichigadzirwa nepinion cutter, kupindira kweradial kuchaita kuti mucheki wepini aburitse chepamusoro chekucheka kana ichidyiswa radially.

Nei backlash ichidikanwa pakati meshing magiya? Kuti bevel giya rishande nemazvo, kuwedzera pakuva nenzvimbo yakanaka yekubata pazino rezino, zvinodikanwa kuve neyakafanira meshing gap pakati pemeno. Izvi zvinodaro nekuti kudzorwa kwemazino egiya uye kuchinjika, kusiri-kukanganisa, kusina ruzha meshing kushanda kwemazino egiya zvese zvinovimbiswa nekubvumidzwa kwakakodzera. Kana iyo gaka iri diki zvakanyanya, firimu remafuta ehumwe ukobvu haugone kuumbwa pakati pemazino emazino, kuitira kuti mafuta ekuzora uye kutonhora kwemazino ekushanda kwemazino adzike, ruzha uye kupisa zvinogadzirwa panguva yebasa, uye kupfeka uye abrasion. Zino rinobva rasimba, uye rinoita kuti mazino arove nokuvhunika. kana iyo clearance yakakurisa, zino repamusoro pegiya rinoburitsa mutoro unokonzeresa, kuparadza firimu remafuta, uye kana kumhanya kwemotokari kana mutoro wachinja zvakanyanya, ruzha rwekuita ruchagadzirwa, izvo zvichawedzera kupera kwezino. pamusoro. Inogona kutyora mazino.Nei backlash ichidikanwa pakati meshing magiya?

Iyo meshing kucheneswa kwemazino egiya kunoenderana nekufa kupera kwechiso modulus uye mamiriro ekushanda. Iyo yakakura yekupedzisira inotarisana ne modulus, iyo yakaipisisa mamiriro ekushanda, uye yakakura meshing clearance yemazino egiya.

 

Nezvakanaka Zvikuru,
 
Lee (Dhipatimendi Rekutengesa; Miss.)         
NER BOKA CO., LIMITED    
Yantai Bonway Mugadziri Co., Ltd.                        
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