Tembiricha yakakodzera bvunzo yekuomarara kwecheni yeroller
Mubasa rekugadzira maindasitiri uye kutumira michina, roller chain chinhu chakakosha chekutumira michina, uye mashandiro ayo anoenderana zvakananga nekushanda zvakanaka uye hupenyu hwebasa remidziyo yemakanika. Kuomarara chiratidzo chakakosha chekushanda kweroller chain, icho chinokanganisa kuramba kwekupfeka, kuramba kuneta uye simba rese reroller chain. Kuti tiongorore nemazvo kuomarara kweroller chain uye kuve nechokwadi chekuti inogona kusangana nezvinodiwa zvekushandisa mumamiriro akasiyana-siyana ekushanda, bvunzo yekuomarara yave chinhu chakakosha mukugadzirwa kweroller chain, kuongororwa kwemhando uye kutsvagisa kwesainzi. Kuti ive nechokwadi chekururama uye kuvimbika kwemhedzisiro yebvunzo yekuomarara, zvakakosha zvikuru kujekesa tembiricha yakakodzera yebvunzo yekuomarara kweroller chain. Kutanga kubva pamisimboti yekutanga yebvunzo yekuomarara kweroller chain, bepa iri richaongorora zvakadzama pesvedzero yetembiricha pamhedzisiro yebvunzo yekuomarara, uye kusanganisa zviyero zvakakodzera uye tsvakiridzo yekuyedza kuti iongorore uye ione tembiricha yakakodzera yebvunzo yekuomarara kweroller chain, nechinangwa chekupa referensi yakakosha kune vagadziri veroller chain, masangano ekuongorora mhando uye nyanzvi dzakabatana.
1. Nheyo dzekutanga dzekuedza kuomarara kwecheni inotenderera
Kuomarara kunoreva kugona kwechinhu kuramba zvinhu zvakaoma zvichimanikidzwa pamusoro pacho, uye chiratidzo chakakosha chekuyera kuomarara kwechinhu. Kuedza kuomarara kweroller chain kunowanzo tora Rockwell hardness tester, iyo inoshandisa diamond indenter kana carbide indenter kudzvanya indenter pamusoro pechikamu chakaedzwa cheroller chain pasi pemutoro wakatarwa, uye inosarudza kukosha kwayo kwekuomarara nekuyera kudzika kwe indentation. Rockwell hardness tester ine mabhenefiti ekushanda kuri nyore, kushanda zvakanaka uye indentation diki, uye yakakodzera kuyedza kuomarara kwezvikamu zvidiki nepakati zvakagadzirwa mumapoka akadai seroller chain.
Roller chain inonyanya kuumbwa ne inner chain plate, outer chain plate, pin, sleeve and roller, uye zvinodiwa zvekuoma kwechikamu chimwe nechimwe zvakasiyana. Semuenzaniso, pin and sleeve, sezvikamu zvikuru zve roller chain, zvinoda kuoma kwakanyanya kuti zvivandudze kusakara uye kuramba kuneta. Kazhinji, kuoma kwepini nesleeve pamusoro kunofanirwa kunge kuri pakati peHRC30 neHRC40, nepo kuoma kwe inner chain plate ne outer chain plate kuri pasi, kazhinji pakati peHRC20 neHRC30. Kuburikidza nekugadzira nekudzora kuomarara kwakanaka, zvinogona kuve nechokwadi chekuti roller chain ine meshing performance yakanaka uye hupenyu hurefu hwebasa panguva yekutumira.
2. Kupesvedzera kwekupisa pakuedza kuomarara kwemaketani anotenderera
Kupisa chinhu chakakosha chinokanganisa kuomarara kwezvinhu. Kana tembiricha ikachinja, chimiro chemuviri uye hunhu hwezvinhu zveroller chain zvinochinja zvinoenderana, zvichiita kuti kuomarara kwazvo kuchinje zvinoenderana. Munguva yekuedzwa kwekuomarara, simba rekupisa pamhedzisiro yekuedzwa kwekuomarara kweroller chain rinonyanya kuratidzwa muzvinhu zvinotevera:
(I) Kuchinja mumaumbirwo ezvinhu
Kuoma kwezvinhu zvesimbi kunoenderana zvakanyanya nechimiro chazvo. Tichitora zvinhu zvesimbi zvinoshandiswa muroller chains semuenzaniso, chimiro chesimbi chesimbi ye alloy chichachinja pakupisa kwakasiyana. Semuenzaniso, pakupisa kwakaderera, ferrite, pearlite nezvimwe zvivakwa musimbi ye alloy zvakagadzikana, uye kuoma kwezvinhu kunonyanya kutsanangurwa nekuumbwa kwemakemikari uye chimiro che metallographic. Zvisinei, kana tembiricha yakwira, mwero wekupararira kwemaatomu ekabhoni nezvinhu zve alloying musimbi ye alloy unokurumidza, izvo zvinogona kukonzera kukura kwezviyo uye kushanduka kwechimiro mukati mechinhu. Kuchinja uku mu microstructure kuchakanganisa zvakananga kuoma kwezvinhu, zvichikonzera kutsauka mumhedzisiro yebvunzo yekuoma. Kazhinji, kuoma kwezvinhu kuchaderera sezvo tembiricha ichikwira. Izvi zvinodaro nekuti kuwedzera kwekushisa kunoderedza simba rekubatanidza atomu mukati mechinhu, zvichiita kuti zvive nyore kuti dislocations ifambe, zvichikonzera kudzikira kwekukwanisa kwezvinhu kuramba kupinda kwezvinhu zvakaoma.
(II) Kururama kwemuyedzisi wekuoma
Sechishandiso chekuyera zvakarurama, kururama kwemuyedzi wekuomarara kuchakanganiswa nekupisa kwekunze. Muyedzi wekuomarara, chitubu, michina ye micrometer nezvimwe zvikamu zvemuyedzi wekuomarara zvakagadzirwa nezvinhu zvesimbi. Kuchinja kwekupisa kuchakonzera kuwedzera kwekupisa kana kudzikira kwezvikamu izvi, nokudaro zvichichinja geometry yemuyedzi wekuomarara, kuomarara kwechitubu uye kururama kwemuyedzi wekuomarara. Semuenzaniso, kana tembiricha yekunze yakwira, muyedzi wekuomarara wemuyedzi wekuomarara unogona kukura zvishoma, zvichikonzera kukosha kukuru kwekuyera kudzika kwemukati, izvo zvinoita kuti kukosha kwekuomarara kwakayerwa kudzike; zvakasiyana, kana tembiricha yekunze yaderera, muyedzi wekuomarara unoderera, kukosha kwekuyera kudzika kwemukati kushoma, uye kukosha kwekuomarara kwakayerwa kwakakwira. Pamusoro pezvo, kuchinja kwetembiricha kunogonawo kukanganisa kugadzikana kwechiratidzo chemuyedzi wekuomarara, zvichikonzera kusadzokororwa zvakanaka uye kudzokororwa kwemhedzisiro yebvunzo. Naizvozvo, kana uchishandisa muyedzi wekuomarara kuita bvunzo dzekuomarara dzeroller chain pasi pemamiriro akasiyana ekupisa, muyedzi wekuomarara unofanirwa kuenzaniswa uye kugadziriswa kuti uve nechokwadi chekururama kwemhedzisiro yekuyera kwayo.
(III) Kuwedzera kwekupisa kwezvikamu zvecheni yeroller
Kuchinja kwekushisa kunokonzera kuwedzera kana kudzikira kwezvikamu zvakasiyana-siyana zveroller chain, nokudaro zvichikanganisa nzvimbo uye kukosha kwekuyera kwebvunzo yekuomarara. Inner link plate, outer link plate, pin, sleeve uye roller yeroller chain ine ma coefficients akasiyana ekuwedzera kwekupisa pakupisa kwakasiyana. Kana tembiricha yakwira, saizi yezvikamu izvi ichachinja, izvo zvinogona kukonzera kuti nzvimbo yebvunzo yekuomarara isiyane nezvinodiwa zvekugadzira. Semuenzaniso, nzvimbo iyo kuomarara kwepamusoro kwepini kunofanirwa kuyedzwa inogona kunge yakarerekera mukati kana kumucheto kwepini nekuda kwekuwedzera kwekupisa kwepini mushure mekukwira kwetembiricha, nokudaro ichikanganisa kururama kwemhedzisiro yebvunzo yekuomarara. Pamusoro pezvo, kuwedzera kwekupisa kuchakonzerawo kugoverwazve kwekushushikana mukati mezvikamu zveroller chain, zvichikanganisa zvakanyanya mashandiro ayo ekuomarara.
3. Tembiricha yakakodzera bvunzo yekuomarara kwecheni yeroller
Zvichienderana nezvinodiwa uye neongororo dzakawanda dzekuedza, tembiricha yakakodzera yekuyedza kuomarara kweroller chain inowanzo kuve 10℃-35℃. Kuyedza kuomarara mukati meiyi tembiricha kunogona kuderedza kukanganiswa kwetembiricha pamhedzisiro yebvunzo uye kuve nechokwadi chekuti mhinduro dzebvunzo dzesimba dzakanyatsojeka uye dzakavimbika.
(I) Zvinodiwa pakupisa zvinoenderana nezvinodiwa
Muyero wepasi rose: ISO 606:2015 “Macheni eroller akagadzirwa nepitch, sprockets uye masisitimu ekufambisa cheni dzekutumira” anotaura kuti bvunzo yekuomarara kwecheni dzeroller inofanira kuitwa patembiricha yemumba, iyo inowanzo reva tembiricha ye20℃±5℃. Mutemo uyu unopa tsananguro yetembiricha yekuomarara yakabatana yekugadzira pasi rese uye kuongororwa kwemhando yecheni dzeroller, izvo zvinobatsira kuona kuti zviratidzo zvekuomarara kwecheni dzeroller zvakagadzirwa nevagadziri vakasiyana zvinoenderana uye zvinoenzana.
Muyero wenyika: Muyero wenyika weChina weGB/T 1243-2006 wekuti “Short pitch precision roller chains and sprockets for transmission” unoratidzawo zvakajeka kuti bvunzo yekuomarara kwema roller chains inofanira kuitwa patembiricha yemumba, iyo inowanzo dzorwa pakati pe10℃-35℃. Kugadzika kwehurefu hwetembiricha iyi kunonyatsoongorora mamiriro ekunze nenzvimbo yekugadzira maindasitiri munzvimbo dzakasiyana dzenyika yangu, uye kune kushanda kwakasimba uye kugona kushanda.
(II) Mhedzisiro yekutsvagisa kwekuyedza
Kukanganiswa kwekupisa pamhedzisiro yebvunzo yekuomarara: Kuburikidza nehuwandu hwakawanda hwezvidzidzo zvekuyedza, zvakaonekwa kuti mukati mehuwandu hwekupisa hwe10℃-35℃, kukosha kwekuomarara kwezvikamu zvakasiyana zveroller chain kwakadzikama, uye simba rekuchinja kwekupisa pamhedzisiro yebvunzo yekuomarara idiki. Semuenzaniso, batch yemaroller chain pini ane specification imwechete akaedzwa pa10℃, 15℃, 20℃, 25℃, 30℃ uye 35℃ zvichiteerana. Mhedzisiro yacho inoratidza kuti mukati mehuwandu hwekupisa hwe10℃-35℃, huwandu hwekuchinja kwekuomarara kwepini hunowanzo kuve mukati me±2HRC. Iyi huwandu hwekuchinja huri mukati mehuwandu hwezvikanganiso zvinogamuchirwa uye hahuzove nemhedzisiro yakakura pakutonga kwemhando uye kuongororwa kwekushanda kweroller chain.
Kukanganiswa kwekupisa kunopfuura huwandu hwakakodzera: Kana tembiricha iri pasi pe10℃, kuomarara kwechinhu cheroller chain kuchawedzera zvakanyanya, izvo zvinogona kutungamira kumhedzisiro yebvunzo yekuomarara kwakanyanya uye kusanzwisisa giredhi rekuomarara kwecheni yeroller. Panguva imwe chete, tembiricha yakaderera zvikuru inogonawo kuita kuti zvikamu zveroller chain zviome uye zviome, kuderedza kuomarara kwazvo, uye kuburitsa matombo kana kutsemuka nyore nyore panguva yebvunzo yekuomarara, zvichikanganisa kufambira mberi kwebvunzo. Kana tembiricha yakakwira kupfuura 35℃, kuomarara kwechinhu cheroller chain kuchaderedzwa zvakanyanya, uye mhedzisiro yebvunzo ichave yakaderera, izvo zvisingakwanise kuratidza mwero wekuomarara chain yeroller. Pamusoro pezvo, kupisa kwakanyanya kunogona zvakare kukurumidzisa kupera nekukanganisika kwezvikamu zveroller chain uye kupfupisa hupenyu hwazvo hwebasa.
4. Kushandiswa kwematanho ekudzora tembiricha mukuyedza kuomarara kwecheni inotenderera
Kuti zvive nechokwadi chekuti mhinduro dzebvunzo dze "roller chain hardness" dzakanyatsojeka, matanho ekudzora tembiricha anoshanda anofanira kutorwa panguva yebvunzo chaiyo:
(I) Kudzora tembiricha yekunze
Rabhoritari yekuedza kuomarara inofanira kunge iine mhepo inotonhodza, michina yekupisa inogara iripo, nezvimwewo, kuti inyatso dzora tembiricha iri mukati me10℃-35℃. Pamberi pebvunzo, michina yekutarisa tembiricha inofanira kuvhurwa pachine nguva kuti tembiricha yerabhoritari igadzikane uye kuti tembiricha irambe yakafanana kudzivirira kukanganisa mhedzisiro yebvunzo nekuda kwekuchinja-chinja kwetembiricha. Panguva imwe chete, zvakakosha kudzivirira kuita bvunzo dzekuomarara muzuva rakananga, pedyo nenzvimbo dzinopisa kana maburi emhepo, nezvimwewo, kuderedza kupindira kwezvinhu zvekunze zvakatipoteredza patembiricha yerabhoritari.
(II) Kugadziriswa kwetembiricha yemuenzaniso
Usati waisa sampuli yeroller chain mu hardness tester kuti iongororwe, inofanira kuiswa murabhoritari kwenguva yakati kuti ienzanise tembiricha yayo netembiricha yerabhoritari. Kazhinji zvinokurudzirwa kuisa sampuli kwemaawa anopfuura 2-3 kuti uve nechokwadi chekuti tembiricha yemuenzaniso yakaenzana. Kune mamwe sampuli dzeroller chain dzakatorwa kubva munzvimbo dzine tembiricha yakakwira kana yakaderera, kutarisisa kwakakosha kunofanirwa kupihwa pakugadziriswa kwetembiricha kudzivirira kuunganidzwa kwemvura kana kushushikana kwekupisa kunokonzerwa nemusiyano mukuru pakati petembiricha yemuenzaniso netembiricha yemhepo, izvo zvinokanganisa mhedzisiro yebvunzo yehardness.
(III) Kuongororwa kwekupisa kwemuyedzisi wekuoma
Muchina wekuyedza kuomarara unofanirwa kugara uchiongororwa panguva yekushandiswa kuitira kuve nechokwadi chekuti kuyera kwacho kwakarurama pasi pemamiriro akasiyana ekupisa. Muchina wekuyedza kuomarara unogona kuenzaniswa nechikamu chekusimbisa kuomarara. Kukosha kwesimba rechikamu chekusimbisa kuomarara chakaongororwa nesangano rine mvumo uye chine kukosha kwekuomarara kunozivikanwa pakupisa kwakasiyana. Pakuyera muchina wekuyedza kuomarara, chikamu chekusimbisa kuomarara chakajairwa nemuchina wekuyedza kuomarara zvinofanirwa kuiswa pamwe chete pakupisa kwakafanana nekwemuchina wekuyedza kuomarara wechiketani. Mushure mekunge tembiricha yaenzana, mashandiro ekuyedza kuenzana anofanira kuitwa, uye nzira yekuyera nekuratidzwa kwemuchina wekuyedza kuomarara zvinofanirwa kugadziriswa kuti mhedzisiro yekuyera ienderane nehukuru hwekuomarara kwechiketani chekusimbisa kuomarara chakajairwa. Kuburikidza nekuyera tembiricha nguva dzose, pesvedzero yekuchinja kwetembiricha pakuyera kwekururama kwemuchina wekuyedza kuomarara inogona kubviswa zvinobudirira, uye kuvimbika kwemhedzisiro yekuyedza kuomarara kwechiketani chesimbi kunogona kuvimbiswa.
5. Kuongorora Nyaya
Mugadziri wecheni yeroller paakagadzira boka remacheni eroller ane simba guru, ainyatso gadzirisa zvikamu zvakasiyana zvecheni yeroller zvichienderana nezvinodiwa pakugadzira. Muchinongedzo chekuongorora hunhu hwekuomarara vasati vabuda mufekitori, mapini echeni yeroller akaedzwa kuomarara zvichienderana nezvinodiwa nekambani zvekudzora hunhu. Zvisinei, panguva yekuyedza, zvakaonekwa kuti kuomarara kwemamwe mapini kwakaderera pane muganho wakaderera wezvinodiwa zvekugadzira, izvo zvakakwezva kutariswa kwekambani.
Mushure mekuferefeta kwakadzama, zvakaonekwa kuti pazuva rekuyedzwa kwekuomarara, nekuda kwekusashanda zvakanaka kwemidziyo yekutonhodza murabhoritari, tembiricha yemhepo yakakwira kusvika 38°C, iyo yakadarika tembiricha yakakodzera yekuyedzwa kwekuomarara kweroller chain. Kambani yakabva yatora matanho ekutamisa bvunzo yekuomarara kune imwe rabhoritari ine tembiricha yemhepo yaisangana nezvinodiwa (22°C) zvekuyedzwazve. Mhedzisiro yekuyedzwazve yakaratidza kuti kukosha kwekuomarara kwepini kwaive mukati mezvinodiwa zvekugadzira uye kwaisangana nezvinodiwa zvemhando yepamusoro. Izvi zvinoratidza kuti tembiricha yakakwira yakakonzera kutsauka kwemhedzisiro yebvunzo yekuomarara, zvichiita kuti kukosha kwekuomarara kwepini kusakosheswe. Nyaya iyi inoratidza kukosha kwekudzora tembiricha mukuyedzwa kwekuomarara kweroller chains. Kungoita bvunzo dzekuomarara mukati metembiricha yakakodzera chete ndiko kunogona kuve nechokwadi chekuti mhedzisiro yebvunzo ndeyechokwadi, kusatongwa zvakanaka kwemhando kunokonzerwa nezvinhu zvetembiricha kunogona kudzivirirwa, uye mhando nekushanda kwezvigadzirwa zveroller chain zvinogona kuvimbiswa.
6. Mhedziso
Kuyera tembiricha yakakodzera yekuyedza kuomarara kweroller chain ndechimwe chezvinhu zvakakosha kuti zvive nechokwadi chekuti mhinduro dzebvunzo dzakarurama uye dzakavimbika. Simba retembiricha pakuyedza kuomarara kweroller chain rinonyanya kuratidzwa mukuchinja kwechimiro chechinhu chacho, kururama kwemuyedzi wehardness, uye kuwedzera kwekupisa kwezvikamu zveroller chain. Zvichienderana nezvinodiwa nemitemo yakakodzera uye kusimbiswa kwetsvakiridzo yekuyedza, 10℃-35℃ inoonekwa seye tembiricha yakakodzera yekuyedza kuomarara kweroller chain. Kuita bvunzo dzekuomarara mukati meiyi tembiricha kunogona kuderedza kukanganisa kwetembiricha pamhedzisiro yebvunzo uye kupa hwaro hwakavimbika hwekuongorora mhando uye kuongorora mashandiro eroller chains.
Mukuita kwekuyedza kuomarara kweroller chain, mabhizinesi nemasangano ekuongorora mhando vanofanirwa kutevedzera zvinodiwa uye kutora matanho ekudzora tembiricha anoshanda, anosanganisira kudzora tembiricha yemhepo, kugadzirisa tembiricha yemuenzaniso, uye kuyera tembiricha yemuyedzo wekuomarara, kuti ive nechokwadi chekuti mhinduro dzebvunzo dzekuomarara dzakarurama uye dzakavimbika. Panguva imwe chete, kunzwisisa kwakadzama kwesimba retembiricha pakuyedza kuomarara kweroller chain kuchabatsira kuwedzera nzira dzekuongorora kuomarara, kuvandudza mwero wekudzora mhando yezvigadzirwa zveroller chain, uye kukurudzira kukura kwakanaka kweindasitiri yeroller chain.
Muchidimbu, tembiricha yakakodzera yekuyedza kuomarara kweroller chain inyaya inofanirwa kukosheswa zvikuru. Kungoitwa kwebvunzo yekuomarara mumamiriro ekunze akakodzera chete ndiko kunogona kuratidzwa kushanda kwekuomarara kweroller chain uye kushandiswa kwayo kwakavimbika mumamiriro akasiyana-siyana ekushanda kunogona kuvimbiswa. Mune ramangwana, nekuvandudzwa kuri kuitwa sainzi yezvinhu uye tekinoroji yekuyedza, tine chikonzero chekutenda kuti tsvakiridzo pamusoro pekupisa kwekuomarara kweroller chain ichave yakadzama uye yakarurama, ichipa rutsigiro rwakasimba rwehunyanzvi rwekuongorora mhando uye kuvandudza mashandiro emaroller chain.
Nguva yekutumira: Kubvumbi-28-2025