Ndikugogomezera kukana kutentha kwambiri komanso mphamvu zabwino kwambiri zotsutsana ndi kuphulika kwaMapepala a Rabara Opangira ZokumbaMakhalidwe amenewa ndi ofunikira kwambiri pakukhala ndi nthawi yogwira ntchito bwino. Ndikuzindikira kuti kumvetsetsa makhalidwe ofunikira kumatsimikizira kuti ntchito yake ndi yolimba komanso kuti ikhale yogwira ntchito kwa nthawi yayitali.

Mfundo Zofunika Kwambiri

• Kutentha kwambiri komanso kukanda kosalekeza kumawononga ma rabara a excavator. Izi zimapangitsa kuti asweke mwachangu.
• Ma rabara abwino amagwiritsa ntchito zipangizo zapadera komanso mapangidwe apadera. Izi zimathandiza kuti zigwire ntchito kwa nthawi yayitali komanso kuti zizigwira ntchito bwino.
• Kusankha chogwirira choyenera cha makina anu ndi ntchito yanu kumasunga ndalama. Kumathandizanso kuti zida zanu zigwire ntchito bwino.

Chifukwa Chake Kukana Kutentha ndi Kuletsa Kutupa Ndikofunikira Kwambiri pa Mapepala a Rubber a Excavator

Zotsatira za Kutentha pa Kuwonongeka kwa Mapepala a Mphira

Ndikumvetsa kuti kutentha kwambiri kumakhudza kwambiri moyo wautali wa ma rabara. Pa rabara ya silicone yotenthedwa kwambiri (HTV-SR), kutentha kumayambitsa kuwonongeka kwa zinthu, zomwe zimapangitsa kuti unyolo usweke komanso kupanga silanol. Pamene chinyezi ndi kutuluka kwa corona zilipo, kutentha kwambiri kungayambitsenso kusakanikirana kwa okosijeni, kupanga mapangidwe a Si-O-Si. Kusinthasintha kwa kutentha kumapangitsa kuti zinthuzo zikhale zolimba koma zikhale zosavuta kusweka.

Mphira wachilengedwe umakumananso ndi kusintha kwakukulu. Pamwamba pa 40°C, umafewa pang'onopang'ono. Pamene kutentha kukuyandikira 120°C, kufewa kumeneku kumafulumira, ndipo mphamvu ndi kuuma kwake kumachepa. Maunyolo a mamolekyu amapeza mphamvu zambiri, zomwe zimawonjezera ntchito zawo ndikukulitsa mtunda pakati pa mamolekyu. Kuwonekera nthawi yayitali kutentha kwambiri kumafulumizitsa ukalamba, zomwe zimapangitsa kuti unyolo wa mamolekyu usweke komanso kuti zinthu zigwirizane, zomwe zimachepetsa magwiridwe antchito. Ndaona kuti kutentha kwakukulu kumabweretsa ukalamba ndi kuwonongeka kwa mphira. Poyamba, kufewa kumatha kuchitika, komwe kumatha kubwezeretsedwanso. Komabe, kuwonekera nthawi yayitali kumayambitsa kusintha kwa mankhwala kosasinthika mkati mwa polima ya mphira, kukulitsa kuuma ndikusintha mphamvu yokoka ndi kutalika.

Taganizirani kutentha komwe kumachitika kawirikawiri pamitundu yosiyanasiyana ya mphira:

Kuopsa kwa Kusweka kwa Moyo wa Pad

Kutupa kwa khungu kumakhala chiwopsezo chosatha pa moyo wa munthu Mapepala a Rabara Opangira ZokumbaNdikuona kuti zinthu zokwawa monga miyala, konkire, ndi miyala zimaphwanya ma pad nthawi zonse. Kukangana kosalekeza kumeneku ndi kupsinjika maganizo kumathandizira kwambiri kuwonongeka. Njira imeneyi imachepetsa mwachindunji nthawi yogwirira ntchito kwa ma pad.

Ubwino wa Ma Pad Ogwira Ntchito Kwambiri

Kuchita bwino kwambiriMapepala a Rabara Opangira Zokumbaamapereka ubwino waukulu pa ntchito. Ndimaona kuti amachepetsa ndalama zokonzera ndi kuwonongeka kwa zida chifukwa mankhwala a rabara abwino kwambiri amasunga mphamvu zoteteza pambuyo pa maola masauzande ambiri akugwira ntchito. Amawonjezera nthawi ya zida ndikuchepetsa zofunikira pakukonza kudzera mu kugwedera kwa kugwedezeka ndi kuteteza pansi. Ma pad awa amachepetsanso kupsinjika kwa nthaka ndi pafupifupi 35% ndikuchepetsa kuchuluka kwa kuipitsidwa kwa phokoso ndi ma decibel 15. Ndikudziwa kuti amawonjezera nthawi ya moyo wa zida ndi 20% ndipo mwina amachepetsa nthawi yogwira ntchito yosakonzekera ndi 38% ndi makina anzeru. Zosakaniza za rabara zaumwini zimatha kupereka nthawi yayitali ya ntchito ndi 40-50% poyerekeza ndi njira zachikhalidwe. Ndimaonanso kuti ndalama zogwirira ntchito zachepetsedwa ndi 20% ndikuchepetsa kugwiritsa ntchito mafuta ndi 15-30%.

Makhalidwe Ofunika a Mapepala a Rubber Pads Opangira Zinthu Zofunika Kwambiri

Kupangidwa kwa Zinthu Zothandizira Kukana Kutentha

Ndikudziwa kuti kapangidwe ka zinthu zoyenera n'kofunika kwambiri kuti kutentha kusamavutike. Ndimaona kuti zowonjezera zinazake ndi zinthu zochiritsira zimathandiza kwambiri kutentha kusamavutike. Mwachitsanzo, zinthu zowononga monga sulfure, peroxides, ndi metal oxides zimapanga netiweki yokhazikika ya magawo atatu mkati mwa rabara. Netiweki iyi imapangitsa kuti mphamvu, kusinthasintha, komanso kutentha kusamavutike. Sulfure, makamaka, imawonjezera kukana kutentha.

Ndimadaliranso ma antioxidants, monga ma amine ndi mankhwala a phenolic. Izi zimaletsa kuwonongeka kwa rabara chifukwa cha okosijeni, kutentha, ndi kuwala kwa UV. Zimawonjezera moyo wa rabara ndipo zimasunga magwiridwe antchito akagwiritsidwa ntchito kutentha kwambiri. Zothandizira monga thiazoles, sulfenamides, ndi dithiocarbamates zimathandizira kuti ntchito yochira ipitirire, zomwe zimapangitsa kuti mankhwala a rabara asatenthe kwambiri.

Ndikuona kuti njira zosiyanasiyana zopukutira mpweya zimapereka ubwino wosiyana pa kutentha:

Ndikumvetsanso momwe zowonjezera zimatetezera zinthu zofunika kwambiri:

Miyezo Yowerengera Kutentha ndi Kukhazikika kwa Kutentha

Nthawi zonse ndimaganizira miyezo yowunikira kutentha ndikasankha ma pad a rabara. Miyezo imeneyi imasonyeza kutentha kwakukulu kopitilira komwe chinthucho chingathe kupirira popanda kuwonongeka kwakukulu. Kukhazikika kwa kutentha kumatanthauza kuthekera kwa chinthucho kusunga mawonekedwe ake akuthupi ndi a mankhwala pansi pa kutentha kosiyanasiyana. Ndimafunafuna ma pad omwe amaposa kutentha komwe kumayembekezeredwa kwa zida zanga. Izi zimatsimikizira kuti amagwira ntchito bwino m'malo ovuta.

Kuuma kwa Zinthu ndi Kuwerenga kwa Durometer

Ndimaganizira kwambiri kuuma kwa zinthu, komwe nthawi zambiri kumayesedwa ndi ma durometer readings. Muyeso uwu umasonyeza kukana kwa rabara ku indentation. Zipangizo zapamwamba za durometer zimakondedwa ndi mafakitale monga ma rollers ndi bushings. Zimapereka kukana kwakukulu ku abrasion, deformation, ndi mobwerezabwereza. Kuuma kumeneku kumatsimikizira kuti ziwalo zimasunga mawonekedwe awo ndikukhala nthawi yayitali m'malo ovuta. Zimathandizira mwachindunji kuti nthawi yayitali iwonongeke. Mosiyana ndi zimenezi, rabara yofewa, yokhala ndi durometer yocheperako, imapambana pogwirizana ndi malo. Izi ndizothandiza potseka, koma sizoyenera kwambiri pazinthu zonyamula katundu pomwe kusunga mawonekedwe pansi pa kupsinjika ndikofunikira. Ndikudziwa kuti njira yabwino yoponda ndiyofunikira kuti musunge kugwira bwino ndikuwonetsetsa kuti makina ali olimba.

Ukadaulo Wolimbitsa Mphamvu Yotsutsa Kutupa

Ndikudziwa kuti kulimbitsa mkati mwa thupi ndikofunikira kwambiri kuti tipeze kukana kwamphamvu kwa mikwingwirima.Mapepala a rabara ogwirira ntchito yokumba zinthu zakalekuphatikiza zinthu zolimbitsa panthawi yopanga. Kuphatikiza kumeneku ndikofunikira kwambiri pakukweza umphumphu wa kapangidwe kake komanso mphamvu yonyamula katundu ya ma track pads. Kumapangitsa kuti zikhale zolimba kwambiri motsutsana ndi kuwonongeka, kung'ambika, ndi kusinthika, motero zimathandizira kuti zikhale ndi moyo wautali.

Nthawi zambiri ndimawona mitundu ingapo ya zolimbitsa mkati zomwe zimagwiritsidwa ntchito:

• Zingwe zachitsulo: Izi ndi zolimbitsa thupi zazikulu. Zimapereka mphamvu yokoka, kulimba, komanso kukana kuvulala komanso kuvulala kwambiri. Opanga amawaphimba ndi rabara yapadera yotetezera kutentha kuti achepetse kukangana kwamkati ndikuwonjezera kulimba.
• Cholumikizira cha nsalu ya polyester: Chowonjezera ichi chimayikidwa pakati pa zingwe. Chimawonjezera kukhazikika kwa lamba.
• Chivundikiro chosatha kuvalaZipangizo monga neoprene zimapanga gawo lakunja lokhala ndi makulidwe a 4–10 mm. Gawoli silimakhudzidwa ndi zinthu komanso silimawonongeka, zomwe zimasonyeza kuti siliwonongeka kwambiri.
• Rabala yapadera yapakati: Rabala iyi, yokhala ndi kuuma kwa Shore kwa 60–70, imayika chingwe cha waya. Imapanga chomangira cholumikizidwa kuti chiteteze chinyezi ndi zinyalala kulowa, kuteteza zingwe.

Ndikudziwanso kuti opanga ena amagwiritsa ntchito ukadaulo wapamwamba. Mwachitsanzo, Bridgestone MT-Pads amagwiritsa ntchito mbale zambiri zachitsulo zamkati. Amasamalira mbale izi ndi zinthu zabwino kwambiri zomangira panthawi yopangira vulcanization. Izi zimatsimikizira kuti kapangidwe kake ndi kolimba kwambiri. Ma pad awa alinso ndi rabara yapamwamba kwambiri. Chomera chapaderachi chimapereka kulimba kwapamwamba kwambiri ndi zinthu zoletsa kudula komanso zoletsa kudula. Chimachita bwino kwambiri kuposa mitundu ina yopikisana nayo pakuyesa kuvala, zomwe zimapangitsa kuti ikhale nthawi yayitali yogwirira ntchito.

Kapangidwe ka Pamwamba ndi Mapangidwe a Tread

Ndikumvetsa kuti kapangidwe ka pamwamba ndi mapangidwe a mapazi ndizofunikira kwambiri kuti ntchito iyende bwino. Zimakhudza mwachindunji kukoka, kuteteza nthaka, komanso nthawi yogwiritsira ntchito. Ndikuwona mitundu yosiyanasiyana ya mapangidwe a mapazi omwe amapezeka pa mapepala a rabara ofukula:

• Chitsanzo cha Kuyenda kwa Mpira wa Mipiringidzo Yambiri
• Chitsanzo cha RD cha Mpira wa Mpira
• Chitsanzo cha C-Lug Rubber Track Tread
• Chitsanzo cha EXT cha Mpira wa Tray
• Chitsanzo cha Z-Tread Rubber Track Tread
• Chitsanzo cha Mpira wa CT
• Chitsanzo cha 51 cha Lug Rubber Track Tread
• Chitsanzo cha 56 cha Lug Rubber Track Tread

Ndimawagawanso m'magulu malinga ndi kapangidwe kawo ndi momwe amagwiritsidwira ntchito:

• Kupondaponda Kolimba Kapena Kowongoka: Izi zili ndi zingwe zokhuthala zamakona anayi kapena zooneka ngati mipiringidzo. Ndizabwino kwambiri pomanga nyumba yonse komanso kugwetsa pamalo osasunthika, amiyala, kapena osafanana. Zimapereka mphamvu yokoka bwino koma zimatha kuyambitsa kusokonezeka kwa malo komanso kugwedezeka kwambiri.
• Njira Yoponderezera Zinthu Zambiri (Multi-Bar) kapena Zig-Zag: Izi zili ndi zingwe zozungulira kuti zigawidwe mofanana, kuyenda bwino, komanso kusokoneza nthaka pang'ono. Ndi zogwiritsidwa ntchito kwambiri pa malo osakanikirana kapena ovuta monga udzu ndi madera a m'matauni.
• Nsalu Yopondaponda kapena Yosalemba: Ili ndi malo osalala kapena osalala pang'ono. Imachepetsa kupsinjika kwa kukhudzana. Ndimagwiritsa ntchito pamabwalo amasewera, mabwalo a gofu, komanso m'nyumba momwe kuwonongeka kwa pamwamba kapena zizindikiro ziyenera kupewedwa.
• Njira Yoyendetsera kapena Yoyendera ya V: Izi zili ndi mawonekedwe a chevron kapena V. Zimadziyeretsa zokha m'malo onyowa kapena amatope pochotsa zinyalala. Nthawi zambiri ndimaziona pamakina a zaulimi, ndipo ndimadziwa kuti ziyenera kuyikidwa bwino.

Mapangidwe ena ofala ndi awa:

• C Tread Pattern (yomwe imatchedwanso H tread pattern): Izi zimapezeka kwambiri pa ma mini-excavator ndi ma skid steer. Zimagwirizana ndi matope, dongo, chipale chofewa, miyala, ndi malo olimba. Zili ndi malo owonjezera kuti zigwire bwino m'mbali mwa msewu komanso kuti zidziyeretse pang'ono.
• Chitsanzo cha Kuponda V: Nthawi zambiri ndimapeza izi pa ma mini-evacuator a ulimi kapena ntchito zopepuka. Zimapereka mphamvu yokoka popanda kusokoneza nthaka kwambiri. Ndi njira yolunjika, yopangidwira kudziyeretsa yokha poyenda pansi momasuka.
• Chitsanzo cha Zig zag Tread (nyimbo za ZZ): Izi ndi zabwino kwambiri pochotsa matope ndi chipale chofewa. Zimawonjezera kutalika kwa khoma la m'mbali kuti ligwire bwino kwambiri pamalo otsetsereka. Zimadziyeretsa zokha ndipo zimatsogolera mbali.

Ndimaganiziranso njira izi:

• Cholepheretsa: Izi zimapereka kusinthasintha kwakukulu komanso kulinganiza bwino komanso kugwirana bwino. Zimachepetsa kugwedezeka ndikuwonjezera kulemera kwa zinthu kuti zikwere kwambiri. Ndi yoyenera phula, dothi, udzu, ndi miyala.
• C-Pad (C-Lug, C-Pattern, C-Block): Izi zimapangitsa kuti ikhale yolimba kwambiri kuposa Staggered Block. Imapereka kuyandama bwino komanso kukoka bwino kwa mapiri ndi malo otsetsereka. Imagwira ntchito bwino pa phula, dothi, udzu, ndi miyala.
• Malo Olunjika: Iyi ndi njira yolimba kwambiri. Imapereka zotsatira zabwino kwambiri pamatope ndi chipale chofewa ndipo ntchito zake zimakhala zofunika kwambiri kuposa kusokonezedwa ndi nthaka. Ndi yoyenera dothi, miyala, matope, ndi chipale chofewa.
• Zig Zag: Izi zimathandiza kuti zinthu ziyende bwino komanso kuti zisawonongeke pamalo osiyanasiyana. Zimagwiranso ntchito bwino pa chipale chofewa ndi matope. Ndi yoyenera dothi, miyala, matope, ndi chipale chofewa.
• Malo Osewerera Ambiri: Iyi ndi njira yothamanga koma imapereka ulendo wosalala kuposa Straight-Bar. Ili ndi kuyandama bwino komanso kukoka bwino. Ndi yoyenera dothi, udzu, ndi chipale chofewa.
• Malo otsetsereka: Iyi ndi njira yabwino yosungira udzu. Imateteza malo ofooka komanso imakhudza kwambiri nthaka komanso imapereka kuyenda bwino. Ndi yoyenera phula ndi udzu.

Ndikudziwa kuti njira iliyonse yopondapo mapazi imapereka ubwino wapadera pakukoka, kuchepetsa kuwonongeka kwa nthaka, komanso kukana kuwonongeka.

Kuwunika Ubwino ndi Kupanga Chisankho Chabwino chaMapepala a Rabara Opangira Zokumba

Mphamvu Yomatira ndi Kugwirizana kwa Mphira ndi Chitsulo

Ndikudziwa kuti kumatirira kwamphamvu pakati pa mphira ndi chitsulo ndikofunikira kwambiri kuti ma pad akhale olimba. Nthawi zonse ndimafunafuna ma pad okhala ndi ma bonding abwino kwambiri. Opanga amayesa mphamvu ya bondi iyi pokoka kapena kuchotsa zitsanzo zomatirira. Amachita kafukufuku wowoneka bwino kuti awone ngati mphira wa 100% wang'ambika, zomwe zimasonyeza kuti pali mgwirizano wolimba. Kuyesa kwa ma tensile bond kumaphatikizapo kukoka chitsanzo cha mphira chomwe chili pakati pa zidutswa ziwiri zachitsulo mpaka chitasweka. ASTM D429, ASTM D903, ndi ISO 813 ndi miyezo yodziwika bwino yoyezera kumatirira. ASTM D2228 imayesanso mphamvu ya guluu. Muyezo uwu umagwiritsa ntchito njira monga Njira A ya mphamvu yosasunthika, Njira B ya mayeso a peel a madigiri 90, ndi Njira G ya zitsanzo ziwiri za cylindrical. Mayeso awa amatsimikizira kuti mphirayo imakhala yolumikizidwa mwamphamvu kumbuyo kwake kwachitsulo.

Kuyenerera, Kugwirizana, ndi Njira Zoyikira

Ndikudziwa kuti kugwirizana koyenera ndi kuyenerera ndikofunikira kuti zinthu ziyende bwino. Ndimaganizira mosamala njira yokhazikitsira. Zosankha zambiri zimaphatikizapo makina otsekera, otsekera, ndi otsekera. Mapepala otsekera amalumikizidwa mwachangu ku njira zachitsulo zomwe zilipo. Mapepala otsekera amatetezedwa ndi mabotolo ku nsapato ya njanji, zomwe zimapereka yankho lolimba. Mapepala otsekera amalumikizana mwachindunji ndi unyolo wa njanji, zomwe zimapereka njira yolimba yogwiritsira ntchito zinthu zolemera. Mapepala a GeoGrip, mwachitsanzo, amalowa mwachindunji pa unyolo wolumikizira. Mapepala a MT ndi mapepala otsekera omwe amalowa pamwamba pa nsapato zachitsulo zomwe zilipo. MST imaperekanso ukadaulo wa bolt-on ndi otsekera. Ndimasankha njira yomwe ikugwirizana bwino ndi zosowa za makina anga komanso ntchito.

Mbiri ndi Chitsimikizo cha Wopanga

Nthawi zonse ndimaika patsogolo opanga omwe ali ndi mbiri yabwino pa khalidwe lawo. Wopanga wodziwika bwino amachirikiza zinthu zawo. Ndimawonanso chitsimikizo. Mwachitsanzo, DEKK imapereka chitsimikizo cha miyezi 12 cha mapepala awo a rabara. Chitsimikizo chabwino chimapereka mtendere wamumtima ndipo chimasonyeza chidaliro cha wopanga pa moyo wautali wa zinthu zawo.

Kuwunika Malo Ogwirira Ntchito ndi Mafotokozedwe a Zinthu

Ndimayesa malo omwe ndimagwira ntchito kuti ndisankhe zinthu zoyenera. Pa malo okhwimitsa, ndimafunafuna njira zamakono zoletsa kudula ndi kuletsa kusweka. Mapepala oyendetsera a polyurethane nawonso ndi oyenera pamavuto ovuta awa. Ma rabara apamwamba amapereka kukana kwakukulu kowonongeka.

Ndimaganiziranso za kutentha kwambiri.

Zipangizo za Mphira	Kukaniza Kutentha Kwambiri
Mphira wa silikoni	Kufikira 300°C
EPDM	Kufikira 150°C
FKM (Viton®)	Kufikira 200°C
Mphira Wachilengedwe	~200°C (imafewetsa)
Ndimaonetsetsa kuti kutentha kwa chinthu chomwe ndasankhacho kukugwirizana ndi momwe ndimagwirira ntchito. Mwachitsanzo, EPDM imagwirira ntchito kutentha kwa -29°C mpaka 177°C, pomwe Silicone imatha kutentha kwa -100°C mpaka 250°C. Ma Pad a Premium Excavator Rubber amapangidwa kuti azigwira ntchito bwino nyengo zosiyanasiyana, kuyambira kuzizira kwambiri mpaka kutentha kwambiri.

Kuganizira za Mtengo Wautali

Nthawi zonse ndimaganizira za phindu la ndalama zomwe ndayika.Ma track a rabara apamwamba kwambiriamapereka phindu labwino poyerekeza ndi njira zokhazikika. Ubwino wawo umaphatikizapo nthawi yayitali yogwirira ntchito, chitetezo chabwino pamalo, komanso ndalama zochepa zogwirira ntchito. Ngakhale kuti ndalama zoyambira zama pad apamwamba zitha kukhala zokwera, zimapereka kulimba komanso magwiridwe antchito abwino. Izi zimachepetsa ndalama zogwirira ntchito komanso nthawi zambiri zosinthira.

Ndikuganiza kuti kusankhaMapepala a Rabara Opangira Zokumbayokhala ndi mphamvu zotsimikizika zotsutsana ndi kutentha komanso zotsutsana ndi kuphulika ndikofunikira pa ntchito iliyonse. Nthawi zonse ndimagwirizanitsa kapangidwe ka zinthu, kapangidwe, ndi zomwe wopanga akufuna kuti zigwirizane ndi zomwe ndikufuna pa ntchito yanga. Kuganizira mosamala kumeneku kumatsimikizira kuti zida zanga zimagwira ntchito bwino, zimakhala ndi nthawi yayitali, komanso kuti zizigwiritsa ntchito ndalama zambiri.

FAQ

Kodi n’chiyani chimapangitsa kuti ma rabara azichepa chifukwa cha kutentha?

Ndimaona kuti kutentha kwambiri kumapangitsa kuti rabara ifewetse, kenako ikhale yolimba ndikusweka. Izi zimapangitsa kuti unyolo wa mamolekyu usweke komanso kuti ulumikizane ukhale wopingasa, zomwe zimachepetsa magwiridwe antchito.

Kodi ndingasankhe bwanji ma pad kuti ndigwiritse ntchito pa zinthu zokwawa?

Ndikupangira ma pad okhala ndi njira zamakono zoletsa kudula komanso zoletsa kudula. Ma polyurethane kapena mankhwala apamwamba a rabara amapereka mphamvu yolimba kwambiri yopewera kuwonongeka m'malo ovuta.

N’chifukwa chiyani mapatani opondapo ndi ofunikira pa ma excavator pads?

Ndikudziwa kuti mapangidwe a mapazi ndi ofunikira kwambiri kuti makina azigwira ntchito mwamphamvu, atetezedwe pansi, komanso kuti asamawonongeke. Amaonetsetsa kuti makinawo azikhala olimba komanso amachepetsa kuwonongeka kwa pamwamba.

Yvonne

Oyang'anira ogulitsa

Wapadera mu makampani opanga njira za rabara kwa zaka zoposa 15.

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