Maitiro Ekugadzira Roller Chain ye12B

Maitiro Ekugadzira Roller Chain ye12B: Kuburitsa Pfungwa Yekugadzira Yakarurama yeCore Industrial Transmission Components

Muchikamu chepasi rose chekutakura zvinhu nemaindasitiri, macheni e12B anotenderera, ane simba rakawanda, mutoro wakadzikama, uye nyore kuisa nekugadzirisa, ave chinhu chakakosha chekutakura zvinhu mumichina yekuchera, michina yekurima, uye masisitimu ekutakura zvinhu. Kuvimbika kwenguva refu kwemacheni e12B anotenderera pasi pekushanda kwakawanda, kwakawanda kunoenderana nemaitiro ekugadzira akaomarara uye akaomarara. Kubva pakusarudza zvinhu zvakabikwa kusvika pakuendesa zvigadzirwa zvakapedzwa, kutonga kwakanyatsonaka padanho rega rega rekuita kwakakosha pakuona hupenyu hwecheni, kushanda zvakanaka kwekutumira zvinhu, uye kugona kugadzikana panjodzi. Nhasi, tichaongorora maitiro ese ekugadzira macheni e12B anotenderera, tichitsanangura ruzivo rwehunyanzvi rwuri shure kwe "cheni yepamusoro-soro" iyi.

1. Nheyo dzeMaitiro: Standard Positioning uye Material Selection Logic ye12B Roller Chain

Usati wanyatsoongorora ruzivo rwemaitikiro acho, zvakakosha kutanga watsanangura "chipimo chemaitiro" cheketani ye12B roller. Sezvo ketani yekutumira inoenderana neANSI B29.1 (American chain standard) uye ISO 606 (international chain standard), zviyero zvayo zvepakati, zvakaita sepitch (19.05mm), roller dhayamita (11.91mm), uye inner segment width (12.57mm), zvakajairwa uye zvakagadzikwa. Chinangwa chikuru chemaitiro acho ndechekuwana kushanda kwakanyanya kuburikidza nezvinhu uye tekinoroji yekugadzirisa uku uchisangana nezvinodiwa izvi.

1. Kusarudzwa kweKuenderana kweMaitiro eZvinhu Zvikuru

Zvikamu zvakasiyana zve12B roller chain zvinoda zvinhu zvakasiyana-siyana uye maitiro ekugadzirisa asati agadzirwa nekuda kwemamiriro avo akasiyana emutoro:

Mapini nemaroller: Sezvinhu zvakakosha muketani yekufambisa zvinotsungirira kukanganiswa nekukweshana, simbi yeSUJ2 ine chromium yakawanda (yakaenzana nesimbi yemumba yeGCr15) inosarudzwa. Chinhu chinofanira kutanga chaitwa "spheroidizing annealing" - kuchipisa simbi kusvika 780-820°C kwemaawa 4-6, wozoitonhodza zvishoma nezvishoma kusvika pasi pe500°C. Maitiro aya anoderedza kuomarara kwechinhu ichi (Brinell hardness ≤ 207 HB), inovandudza mashandiro emuchina, uye inoisa hwaro hwe microstructure yakafanana panguva yekurapa kupisa kunotevera, ichidzivirira kutsemuka panguva yekudzima.

Mapureti echeni nemabushing: Mapureti echeni anodiwa kuti agone kusimbaradza zvinhu zvinorema, saka ST52-3 low-carbon alloy structural steel (simba rekusimbaradza ≥ 520 MPa) inoshandiswa. Maitiro e "kudzima nekudzikamisa" (kudzima kunoteverwa nekusimbaradza kwekupisa kwakanyanya) anounza kuomarara kuHB220-250, zvichiita kuti simba rekusimbaradza rivepo uye kuti rive rakasimba kudzivirira kutyoka. Mabushing anogadzirwa nesimbi ine carburised ye20CrMnTi, uye maitiro ekuwedzera carburizing anowedzera kuomarara kwepamusoro kuti agone kusimbaradza nekukweshana nemapini.

II. Maitiro Ekugadzira Zvinhu Zvikuru: Kuchinja Kwakarurama Kubva pa "Zvinhu Zvisina Kugadzirwa" kuenda ku "Chain Links"

Kugadzirwa kwe12B roller chains kunosanganisira maitiro masere makuru, rimwe nerimwe richida kudzorwa kwakasimba kwemaitiro ekugadzirisa kuti ive nechokwadi chekuti zvinhu zvakanyatsonaka uye zvinoshanda:

1. Kugadzirira Zvinhu Zvisina Kugadzirwa: Kuchenesa Nzira Yekugadzirisa

Kubviswa kwengura nemafuta: Pakupinda muworkshop, simbi yese inotanga yapfuudzwa nemubhavhu rinobvisa mafuta ealkaline (50-60°C, kunyikwa kwemaminitsi 15-20) kubvisa mafuta epamusoro. Yozoiswa mufiriji nehydrochloric acid (15%-20% concentration, kunyikwa patembiricha yemumba kwemaminitsi 8-12) kubvisa makwande. Pakupedzisira, inosukurudzwa nemvura yakachena yoomeswa kudzivirira tsvina kuti isakanganise kunyatsogadzirwa kwayo.

Kucheka Nemazvo: Zvichienderana nehukuru hwechikamu, CNC sawing kana laser cutting inoshandiswa pakucheka. Kureba kwekucheka nepin treasures kunofanirwa kudzorwa mukati me ±0.1mm, nepo cheni plate cutting inofanira kuchengetedza aspect ratio deviation ye ≤0.05% kudzivirira deformation panguva yekudzvanya kunotevera.

2. Kugadzira Zvikamu Zvikuru Nemazvo: Kugadzira Zvikamu Zvine Mamirimita Nemazvo

Kudhinda nekupwanya cheni: Kudhinda nekupwanya cheni kunoitwa paCNC punch press uchishandisa "continuous progressive die." Mutsetse wecheni unotanga wadhinda, woteverwa nemaburi emapini kumativi ese. Kushivirira kwenzvimbo yemaburi kunofanirwa kudzorwa kusvika kuH7 (kushivirira kuri pakati pe0-0.018mm), nekukanganisa kwenzvimbo yepakati pemaburi kwe ≤0.05mm kuti uve nechokwadi chekuti zvinoenderana nemapini nemapini. Kubvisa maburi (uchishandisa vhiri rekukuya kana kudhinda kunodedera) kunodiwa mushure mekudhinda kudzivirira mipendero yakapinza kubva pakukuvadza vanoishandisa kana kukanganisa kuunganidza. Roller Cold Forging: Simbi yeSUJ2 inoumbwa nedanho rimwe uchishandisa muchina we multi-station cold forging. Waya inotanga yadhinda, yobva yaburitswa muchimiro cheroller, uye pakupedzisira yadhinda (yekuiisa mu sleeve). Munguva yekudhinda kunotonhora, tembiricha yedie (≤200°C) nekumanikidzwa (300-400 MPa) zvinofanirwa kudzorwa kuona kuti kukanganisa kweroller roundness kuri ≤0.03mm kudzivirira kusakara kwe eccentric panguva yekushanda.
Kupedzisa Pin: Pin inotanga yakuyiwa zvisina pakati (ine dhayamita yekunze ye±0.05mm), yozokuyiwa zvakanaka kusvika pahukuru hwayo hwekupedzisira (kushivirira H8, 0-0.022mm) uchishandisa grinder ine cylindrical. Kuoma kwepamusoro kweRa ≤0.8μm kunochengetwa. Nzvimbo iyi yakatsetseka inoderedza kukweshana kunotsvedza neruoko, zvichiita kuti hupenyu hwayo huwedzere.

3. Kurapa Kupisa: Kupa "Kushanda Kwakasimba" kuZvikamu
Kudziya kwePlati reChain: Mushure mekudzvanya, maplate echain anoiswa muchoto chinodzima chinoenderera mberi, chinochengetwa pa850-880°C kwemaminitsi makumi matatu, uye chinodzimwa nemafuta. Zvinozoiswa muchoto chinodzima pa550-600°C kwemaawa maviri. Kuoma kwekupedzisira kunosvika HB220-250, uye simba rekudzika rinowedzerwa kusvika ≥800 MPa, zvichiita kuti vagone kutsungirira mutoro wekudzika we12B chain (≥18.8 kN). Kudzima Pin neRoller + Kudziya Kwakaderera: Mapini nemaroller eSUJ2 anodziiswa kusvika 830-850°C (tembiricha inobata kwemaminitsi makumi maviri nemashanu) muchoto chinodzima mesh-belt, chinodzimwa nemafuta, uye chinodziya patembiricha yakaderera pa160-180°C kwemaawa maviri, zvichiita kuti kuoma kwepamusoro kweHRC 58-62 uye kuoma kwepakati kweHRC 30-35. Chimiro ichi che "kunze kwakaoma, mukati makaoma" chinodzivirira kusakara uye kukanganiswa nemacushion, zvichidzivirira kutyoka. Kuisa Carburing neKudzima: Sleeve ye20CrMnTi inoiswa muchoto checarburizing uye inopiswa pa920-940°C kwemaawa 4-6 nemethanol nepropane (carburizing agents) kuti pave nekabhoni yepamusoro ye0.8%-1.2%. Sleeve yacho inozodzimwa (850°C yakatonhodzwa nemafuta) uye inodziya zvishoma (180°C). Kuoma kwenzvimbo yacho kunokonzerwa neHRC 58-62, uye kudzika kwechikamu checarburing kuri 0.8-1.2mm, zvichiita kuti sleeve irambe ichipoterera pini.

4. Kuungana kweModular: Kuve nechokwadi chekuti cheni yose inoshanda pamwe chete

Kubatanidzwa kweZvisungo zvemukati nekunze: Chisungo chemukati chine chifukidziro, roller, uye plate yekubatanidza yemukati. Kutanga, dzvanya sleeve muburi repini replate yekubatanidza yemukati (kupindirana, simba rekudzvanya 5-8kN). Wobva waisa roller pamusoro pe sleeve (kupindirana, kubviswa 0.02-0.05mm). Chisungo chekunze chine pin neplate yekubatanidza yekunze. Pini inodzvanywa muburi replate yekubatanidza yekunze (kupindirana). Mushure mekudzvanya, tarisa kuti yakamira sei (kutsauka ≤ 0.5°) kudzivirira kusungana panguva yekushanda.​
Kuungana Kwecheni Yakazara uye Kutambanudza Kusati Kwaita: Zvinongedzo zvemukati nekunze zvinobatanidzwa pamwechete kuti zvigadzire cheni yakakwana. Izvi zvinoteverwa ne "kurapa kwekutambanudza kusati kwaita" - simba rekusimudza re80% yemutoro wakayerwa (inenge 15kN) rinoiswa pamuchina wekuyedza kusimudza wakatsaurirwa kwemaminitsi makumi matatu. Izvi zvinobvisa kutambanudza kwekutanga kwecheni uye zvinobvumira zvikamu kuti zvinyatsobatana. Izvi zvinobvumira kutambanudza kunotevera kudzorwa mukati me0.5% (zvichienzaniswa neavhareji yeindasitiri ye1%-1.5%).

III. Maitiro Ekudzora Hunhu: Kuongorora Kwakazara Kuti Ubvise Zvigadzirwa Zvisina Kukwana

Maketani e12B anotenderera anoedzwa kuti aendeswe kunze kwenyika, uye anoedzwa nemativi akawanda kuti ave nechokwadi chekuti zvinoenderana nemitemo yepasi rose. Matanho makuru ekuyedza anosanganisira:

1. Kuongororwa Kwekururama Kwemativi

Muchina wekuyera ma "coordinate" une mativi matatu (CMM) unoshandiswa kuongorora zviyero zvakakosha zvakaita sedaro repakati pe "chainplate hole", dhayamita yekunze ye "pin shaft", uye dhayamita ye "roller". Kuongororwa kwezvikamu makumi maviri pa "batch" kunoitwa, uye chiyero chekupasa che100%.

Pitch gauge inoshandiswa kuongorora cheni. Kutsauka kwepitch pamita imwe neimwe kunofanirwa kunge kuri ≤0.3mm kuti ive nechokwadi chekuti sprocket yacho inonamirwa nemazvo.

2. Kuedzwa kweZvinhu zveMechanical
Kuedzwa kweSimba reKubata: Cheni yacho inobatwa nekubatirira pamuchina wekuedza kubata kusvika yatyoka. Mutoro wekutyoka unofanira kunge uri ≥ 28.2kN (unopfuura zvakanyanya mutoro wakayerwa we18.8kN) kuti ive nechokwadi chekuti yakachengeteka kana paine kuwandisa kwesimba.
Kuedza Kwehupenyu Hwekuneta: Cheni iyi yakaiswa pamuchina wekuongorora kunetesa kwecheni uye inoiswa pasi pe50% yemutoro wakayerwa (inenge 9.4kN) nekumhanya kwe1500r/min. Hupenyu hwekuneta hunofanira kunge huri ≥ maawa 500 (chiyero cheindasitiri maawa 300), zvichitevedzera kuvimbika mumamiriro ezvinhu enguva refu ane mutoro wakawanda.

3. Kuongorora Hunhu Hwepamusoro

Shandisa chinhu chinoyera kuomarara kwenzvimbo kuti uongorore nzvimbo dzine pini neroller; kukosha kweRa kunofanira kunge kuri ≤0.8μm.

Ongorora mushonga wepamusoro (semuenzaniso, galvanizing, blackening): ukobvu hwe galvanizing layer hunofanira kunge huri ≥8μm uye haufanirwe kuratidza ngura mushure mekuyedzwa kwesalt spray kwemaawa makumi mana nemasere (neutral salt spray, 5% NaCl solution). Kurapa kwe blackening kunofanirwa kunge kwakafanana uye kusina mavara, uye kunamira kunofanirwa kusangana ne GB/T 10125 standard.

IV. Kukosha kweUnyanzvi: Sei hunyanzvi hwepamusoro huchisimudzira kukwikwidzana kwe12B roller chains pamusika?

Zvakanakira tekinoroji zve12B roller chain zvinoshandurwa zvakananga kuita kukosha:

Nguva yakareba yehupenyu: Ichishandisa zvinhu zveSUJ2 uye kurapwa kwekupisa kwakanyatsojeka, cheni iyi ine avhareji yehupenyu hwekushanda hwemaawa 8,000-10,000, anopfuura 40% kupfuura cheni dzemazuva ose (maawa 5,000-6,000), zvichideredza mari yekutsiva uye nguva yekuzorora.

Kutakurwa kwegetsi kwakagadzikana: Kururama kwechiyero cheMillimeter uye kutambanudza usati watambanudzwa kunoita kuti cheni ishande ye ≤0.1mm panguva yekushanda, zvichiita kuti kutakurwa kwegetsi kushande zviri pamusoro pe98%, zvichiita kuti ikodzere kushandiswa nekukurumidza senge michina yemachira uye mitsetse yekubatanidza otomatiki.

Zvinogona kugadziriswa zvakanyanya: Kurapa pamusoro pechinhu (kusunga simbi, kuita kuti chive chakasviba, uye kuisa phosphate) uye mishonga yekurapa kupisa yakagadzirirwa (yakadai sekudziisa tembiricha yakaderera munzvimbo dzine tembiricha yakaderera) inosangana nezvinodiwa zvakasiyana-siyana zvekushanda. Semuenzaniso, cheni dzesimbi dzinogona kushandiswa mufekitori dzinogadzira chikafu kudzivirira ngura, nepo cheni dzesimbi ...

Mhedziso: Hunyanzvi hwekugadzira zvinhu ndiyo "Inobatsira Pakukwikwidzana Kwakavanzika" ye12B Roller Chains

Mumusika wepasi rose we12B roller chain, "mutengo wakaderera" hausisiri mukana mukuru. Pane kudaro, "kunyatsorongeka kwemaitiro" uye "kugadzikana kwekushanda" ndizvo zvakakosha pakuwana kuvimba kwevatengi vekune dzimwe nyika. Kubva pamitemo yakaoma mukusarudza zvinhu zvakabikwa, kusvika pakudzora kwepamwero we millimeter mukugadzirwa, kusvika pakuongororwa kwakazara kwekutakurwa kwezvinhu, maitiro ese ane kuzvipira kwekuvimbika kwechigadzirwa.