Mmebi Adapter Ise Kachasị Elu nke Na-akpata Mfu Ezé Bucket na Caterpillar J300 Series Excavators n'Ọrụ Oke Mgbukpọ Mmiri

Pinye Boss Wear: Ụdị Mmebi Ihe Ndabere Kachasị A Na-ahụkarị

Isi ihe dị n'ime ya bụ ihe na-eme ka e nwee ike iji ihe nkwụnye ahụ nke ihe mkpuchi mkpọchi ahụ na-agafe iji jide ezé ahụ. N'ime usoro ibu ebe bọket ahụ na-emetụta nkume na mita 0.5 ruo 1.2 kwa sekọnd, isi ihe mkpuchi ahụ na-enweta ibu ihe mkpuchi okirikiri nke 80 ruo 180 kN kwa okirikiri. Mgbe awa 1,500 ruo 2,500 nke ọrụ ibugharị ihe nkịtị gasịrị, dayameta ibu nke isi ihe mkpuchi nwere ike ibu site na 2.5 ruo 4.0 mm site na mmebi abrasive, na-enye ohere ka ntụtụ ahụ na-agbanwe n'okpuru ibu.

Ozugbo ntụtụ ahụ si n'ọnọdụ ya kwaga 3 mm ma ọ bụ karịa, njide ezé na-ada ruo ihe dị ka pasent 40 nke nhazi ya. Ntụtụ ahụ nwere ike ịpụ kpamkpam n'okpuru usoro ibu dị elu na-esote, na-ahapụ ezé n'etiti igwu. Ndị otu igwe anyị tụrụ nha boss bore wear na ihe nkwụnye J300 47 weghachitere wee chọpụta na ihe nkwụnye e ji ígwè alloy 30CrNiMo8 emenyụ ruo 42-46 HRC gosipụtara mbelata boss wear pasent 62 karịa ihe nkwụnye sitere na ígwè carbon 40Cr na 35-39 HRC. Matrix alloy chromium-nickel-molybdenum na-eguzogide ntinye ihe mkpofu abrasive nke ọma karịa ígwè carbon nkịtị.

Mgbaji Mgbaaka Eriri Mgbaaka

Ọtụtụ ihe nkwụnye J300 na-eji mgbanaka nchekwa nke nwere mmiri nke na-abanye n'ime oghere dị na imi ihe nkwụnye ahụ. Oghere mgbanaka ahụ na-arụ ọrụ dị ka ihe na-ebuli nrụgide nke e tinyere n'ime ihe nkwụnye ahụ. N'ọgwugwu nkume dị elu ebe ike kachasị elu gafere 250 kN, obere mgbawa na-amalite na radius mgbọrọgwụ nke oghere ahụ n'ime awa ọrụ 300 ruo 500. Data ubi sitere na ebe iri na abụọ nke nkume siri ike nke Australia gosiri na pasent 23 nke ọdịda ihe nkwụnye J300 niile sitere na mgbawa oghere-ruo-imi, yana nkewa ezé zuru oke na-eme n'ime ihe na-erughị awa 50 site na mgbawa mbụ a na-ahụ anya.

Ngwọta anyị bụ geometry oghere gbanwere agbanwe nke nwere radius 1.5 mm na mgbọrọgwụ (n'ihe gbasara radius 0.5 mm ọkọlọtọ) yana ike elu 48-52 HRC site na ọgwụgwọ okpomọkụ dị iche iche. Nke a na-agbatị mmalite mgbawa ruo ihe karịrị awa 1,800 na nnwale a na-achịkwa. N'ọnọdụ ebe a na-egwupụta nkume, anyị na-akwado oge nyocha awa 25 n'ihi na ọnụego mgbasa mgbawa na ígwè 40Cr bụ 0.08 ruo 0.15 mm kwa usoro 100 ozugbo amalitere ya.Nchekwa pusiUsoro iwu na-akwado inyocha oghere GET kwa awa iri ise, mana n'ime ngwa ịgbawa, windo mmalite mgbawa ahụ dị mkpụmkpụ ma a na-enyocha ya ugboro ugboro site na oke nke nsonaazụ ọdịda ahụ.

Mgbawa oche Adapter site na Mpaghara Mgbawa nke Okpomọkụ Metụtara na Weld

Oche ihe nkwụnye ahụ bụ ihu kwụ ọtọ ebe ihe nkwụnye ahụ na-emetụ egbugbere ọnụ bọket ahụ aka. N'oge usoro ịgbado ọkụ, mpaghara okpomọkụ metụtara na ihe nkwụnye ahụ nwere ike iru 725 ruo 850 deg C, na-eme ka ọka gbazee ma guzobe martensite na ígwè carbon ọkara. Mpaghara HAZ ndị a nwere uru mmetụta Charpy dị ala dị ka 8 ruo 12 J na 20 deg C, ma e jiri ya tụnyere 27 ruo 35 J maka ígwè nne. Mgbe mpaghara a gbawara agbawa na-etinye oge ịgbado ọkụ nke igwu olulu, mgbawa ike ọgwụgwụ na-amalite na ókèala HAZ ma na-agbasa site na ọkpụrụkpụ ihe nkwụnye ahụ.

A naghị ahụ mgbawa ahụ anya site n'èzí n'ihi na ọ na-amalite n'okpuru ihu oche ahụ. N'otu ihe ndekọ sitere na ebe a na-egwupụta nkume limestone nke UK, igwe egwupụta nke dị tọn 40 nke na-arụ ọrụ na pasent 85 nke mmiri mmiri hydraulic gbawara ihe nkwụnye J300 site na HAZ mgbe awa 1,100 nke ọrụ gasịrị na-enweghị ihe ngosi anya mbụ. Iji wepụ ihe mgbochi HAZ, anyị na-emepụta ihe nkwụnye J300 site na ígwè bainitic dị ala (0.18-0.22 pasent C, pasent 0.8-1.2 pasent Mn) nke na-ejigide ụkpụrụ Charpy karịrị 27 J ọbụlagodi mgbe ejiri ihe nlereanya ịgbado ọkụ na 850 degrees C. Kpoo ọkụ tupu oge eruo ruo 200-250 deg C tupu ịgbado ọkụ na mbelata nrụgide mgbe ịgbado ọkụ gasịrị na 300 deg C maka nkeji 30 na-ebelata ike HAZ dị n'okpuru 350 HV.

Usoro Mkpọchi Na-ebelata n'okpuru Mkpọchi Na-agagharị agagharị

Ọbụlagodi mgbe ihe owuwu ahụ ka dịgidere, usoro mkpọchi ahụ nwere ike ịtọhapụ ka oge na-aga n'ihi mkpọtụ ugboro ugboro dị elu. Nyocha nke ihe ndị na-egwupụta ihe J300 na ngwa ịgbapụta ihe na granite na-egosi ugboro ugboro kachasị n'etiti 15 na 45 Hz n'oge akụkụ mgbawa nke okirikiri ịgbapụta ihe, yana oke ọsọ ọsọ na-eru 5 ruo 8 g na bọket ahụ. Nha ọkụ na sistemụ mkpọchi J300 ụdị skru gosiri na ike nrụnye mbụ nke 350 Nm rere ure ruo 180 Nm mgbe awa ọrụ 120 gasịrị n'ọnọdụ ịgbapụta ihe akọrọ. N'okpuru 200 Nm, ọnụego mgbanyụ skru na-agba ọsọ nke ukwuu.

Nnwale anyị gosiri na itinye ihe eji akpọchi eri (Loctite 270 ma ọ bụ ihe yiri ya) na skru mkpọchi tupu etinyere ya, yana torque mbụ nke 420 Nm, na-enwe uru torque karịrị 300 Nm mgbe awa 300 gachara. Anyị na-akwado ka ndị otu na-ahụ maka ịrụzi ebe a na-egwupụta ihe tinye oge torque-check awa 50 maka sistemụ mkpọchi J300, na-ebelata ruo awa 25 ma ọ bụrụ na ejirighị ihe eji akpọchi eri. N'ọnọdụ a na-emebi emebi, a ga-akwatu ma hichaa usoro mkpọchi ahụ kwa awa 500 iji wepụ ntaramahụhụ ndị a chịkọtara nke nwere ike ibute ọgụgụ torque ụgha.OSHANtuziaka maka mmezi akụrụngwa dị arọ na-akwado nkwenye ike ọkụ n'oge ọ bụla, sistemụ mkpọchi J300 chọrọ nlebara anya ugboro ugboro karịa sistemụ ọkọlọtọ n'ihi gburugburu ebe a na-egwupụta egwu dị elu na ọrụ igwu ala.

Ike ọgwụgwụ ihe: Ụdị ọdịda zoro ezo

Ike ọgwụgwụ ihe dị na ihe nkwụnye J300 na-apụta dị ka netwọk mgbawa obere nke na-agbasa site na nhazi ihe nkedo n'ime ọtụtụ puku usoro ibu. Na ihe nkwụnye ọkụ sitere na ígwè 40Cr ọkọlọtọ, ihe ndị a na-etinye na obere porosity na oke micron 50 ruo 200 na-eje ozi dị ka ebe mmalite mgbawa. Nnwale ike ọgwụgwụ emere na ihe nkwụnye 30CrNiMo8 (emechiri emechi ma mee ka ọ dị jụụ ruo 42-46 HRC) megide ihe nkwụnye ígwè carbon 40Cr (35-39 HRC) gosiri na ígwè alloy ahụ nwetara okirikiri nde 1.2 ruo ọdịda na nrụgide mgbagọ 120 MPa, ma e jiri ya tụnyere okirikiri 340,000 maka ígwè carbon.

Ọdịnaya nickel dị na 30CrNiMo8 (pasent 1.2-1.6 Ni) na-enye aka na mbelata ọnụego mgbasa mgbawa site na mmụba nke mmịpụ mgbapụ na matriks martensite dị jụụ. Ihe bara uru: ihe nkwụnye ígwè carbon J300 J300 na ọrụ ịgbapụta nkume na-aga n'ihu na-eru ndụ ike ọgwụgwụ ihe dị ka awa 3,000 ruo 4,000. Ihe nkwụnye ígwè alloy na-agbatị nke a ruo awa 6,000 ruo 8,000. Nnyocha anya enweghị ike ịchọpụta ike ọgwụgwụ n'oge mbụ. Naanị usoro a pụrụ ịtụkwasị obi bụ ndokwa nnọchi anya na oge awa 4,000 maka ihe nkwụnye nkume dị elu, n'agbanyeghị ọnọdụ a na-ahụ anya.

Ntụnyere nke Metallurgical: Alloy vs. Carbon Steel

Dabere na nnwale anyị nke ihe nkwụnye J300 eweghachiri na ule iyi ụlọ nyocha a na-achịkwa, nhọrọ ọla bụ ihe kachasị emetụta iji gbochie ụdị ọdịda ise niile.9N4302Ezé nnọchi J300, mgbe ejikọtara ya na ihe nkwụnye ígwè alloy siri ike nke ọma, na-enweta ndụ ọrụ dị ogologo ugboro 2.1 na ngwa ịgbaze granite ma e jiri ya tụnyere ezé yiri ya na ihe nkwụnye ígwè carbon. Ike imi 48-52 HRC na ihe nkwụnye alloy ejiri okpomọkụ gwọọ nke ọma na-eguzogide mmebi nke ntụtụ abrasive, ebe ike mmetụta Charpy dị n'elu 27 J na-egbochi mgbawa oche na mgbawa oghere. Anyị na-akwado ka ndị na-arụ ọrụ ịgbaze akọwapụta ihe nkwụnye ígwè alloy maka ihe ọ bụla na-agbaze gwupụta na-arụ ọrụ na ihe nwere ike nrụgide karịa 150 MPa ma ọ bụ nwere nnukwu mmetụta.

Banyere [Ningbo Yinzhou Jikọọ Machinery Co., Ltd.]

Anyị na-emepụta sistemụ GET zuru oke gụnyeresistemụ ezé ịwụnaNingbo Yinzhou Jikọọ Machinery Co., Ltd.ihe nkwụnye bọket maka Caterpillar J300 na ụdị ihe ndị ọzọ dị mkpa maka ịgbapụta ihe. Kpọtụrụ ndị otu injinia anyị na nọmba usoro igwe gị maka nkọwapụta ihe nkwụnye ahaziri ahazi. Anyị na-akwado ọrụ ịgbapụta ihe n'ofe mba 40 nwere akụkụ iyi akwadoro emepụtara dịka ọkọlọtọ nha ISO si dị.

Ajụjụ Ndị A Na-ajụkarị

Kedu ụdị ọdịda nke ihe nkwụnye J300 kachasị?Ọ bụ ihe a na-ahụkarị na-eyi ihe mkpuchi ọkpọkọ, nke na-akpata ihe dị ka pasentị iri atọ na ise nke ọdịda ihe nkwụnye ọkụ J300 niile na ngwa ịgbapụta nkume. Ọ na-akpata ya site na ibu ihe mkpuchi okirikiri nke 80-180 kN tinyere ihe e tinyere n'ime oghere ọkpọkọ ahụ.

Ihe nkwụnye J300 aftermarket nwere ike ịdaba na ndụ ike ọgwụgwụ OEM?Ee. Mgbe e ji ígwè alloy 30CrNiMo8 rụọ ya nke ọma, e jikwa okpomọkụ 42-46 HRC mee ya, ihe nkwụnye ọkụ ndị a na-ere n'ahịa nwere ike ịdakọ ma ọ bụ gafere ndụ ike ọgwụgwụ OEM. Ndochi nha ga-adakọrịrị profaịlụ imi OEM n'ime ma ọ bụ mwepu 0.1 mm.

Ugboro ole ka a ga-agbanwe ihe nkwụnye J300?A na-atụ aro ka e jiri oge ọrụ dochie ihe nkwụnye ọkụ dị elu nke awa 4,000, n'agbanyeghị ọnọdụ a na-ahụ anya. A ga-enyocha anya kwa awa 25-50 ọ bụla.

Usoro Nnyocha Akwadoro maka Ihe Adapta Ọkụ

Dabere na nyocha anyị nke ọtụtụ puku ihe nkwụnye J300 alọghachitere, anyị na-akwado usoro nyocha nke ọkwa atọ maka ọrụ igwu ala. Tier 1 bụ nyocha anya kwa ụbọchị site n'aka onye ọrụ tupu okirikiri igwu ala mbụ: lelee mgbawa a na-ahụ anya na oche na imi ihe nkwụnye ala, lelee njikọ pin ma ọ bụ ihe mgbakwunye mgbanaka, ma gee ntị maka ụda na-adịghị ahụkebe n'oge akụkụ mgbawa nke okirikiri ahụ. Tier 2 bụ nha kwa izu: jiri ihe nlele pin bore tụọ dayameta bore bore na ọnọdụ anọ (elu, ala, aka ekpe, aka nri) ma dekọọ uru. Mmụba 2.0 mm site na ntọala na-egosi mkpa ọ dị maka nhazi oge nnọchi. Tier 3 bụ nyocha agba-abanye kwa ọnwa nke weld HAZ, ihu oche, na oghere mgbanaka idobe. Usoro a, nke etinyere n'ofe ọrụ igwu ala 14 site na iji ihe nkwụnye anyị, belatara ihe omume mfu ezé na-atụghị anya ya site na pasent 78 n'ime oge nsochi ọnwa 12.

Usoro Kachasị Mma Maka Nwụnye Maka Ndụ Adapter Kachasị Elu

Usoro ntinye kwesịrị ekwesị nwere mmetụta a na-ahụ anya na ndụ ọrụ ihe nkwụnye ọkụ. Ndị otu ọrụ ubi anyị edeela na ihe nkwụnye ọkụ ndị arụnyere na paramita ịgbado ọkụ na-efunahụ pasent 30 ruo 50 nke ndụ ike ọgwụgwụ a tụrụ anya ya. Paramita ịgbado ọkụ ndị a tụrụ aro maka ihe nkwụnye ọkụ J300 na egbugbere ọnụ bọket ihe nkwụnye ọkụ gụnyere: E7018 elektrọd hydrogen dị ala, okpomọkụ okpomọkụ tupu oge eruo 200-250 deg C etinyere na mpaghara 75 mm gburugburu ebe ịgbado ọkụ, okpomọkụ interpass nke na-agaghị agafe 350 deg C, usoro bead ịgbado ọkụ site na etiti ma na-arụ ọrụ n'èzí iji chịkwaa mgbagọ, na mgbe ịgbado ọkụ gasịrị, jiri nwayọ nwayọ jụọ oyi n'okpuru blanket mkpuchi iji nweta ọnụego oyi n'okpuru 50 deg C kwa elekere. Nha fillet ịgbado ọkụ kwesịrị ịdị 8 ruo 10 mm ma n'elu ma ala nke oche ihe nkwụnye ọkụ. Nnyocha ịgbado ọkụ kwesịrị ịgụnye nnwale ihe ndọta n'ime awa 24 nke mmecha ya na ọzọ mgbe awa 100 nke ọrụ gasịrị iji chọpụta iguzosi ike n'ezi ihe nke ịgbado ọkụ n'okpuru ibu.

Nyocha Ọnụahịa-Arụmọrụ site na Ọkwa Ihe Adapter

Maka ndị na-arụ ọrụ ebe a na-egwupụta ihe na-enyocha mmelite site na ígwè carbon 40Cr gaa na ihe nkwụnye ígwè alloy J300 30CrNiMo8, akụnụba dabere na ọnọdụ ọrụ. Na ngwa ebe a na-egwupụta ihe na granite ebe ọdịnaya silica karịrị pasent 25 na nkezi ike nrụgide karịrị 200 MPa, ọnụ ahịa kwa awa ọrụ maka ihe nkwụnye 40Cr bụ ihe dị ka $0.38 kwa elekere (dabere na ọnụahịa ịzụrụ $380 na ndụ ọrụ awa 1,000 na iyi naanị ihe mgbochi mgbawa), ọ bụghị ịkọwa ihe egwu mgbawa). Maka ihe nkwụnye ígwè alloy 30CrNiMo8 na ọnụahịa ịzụrụ $520 na ndụ ọrụ nkezi awa 2,800, ọnụ ahịa kwa awa na-adaba na $0.19. Ihe nkwụnye ígwè alloy na-enye mbelata pasent 50 na ọnụ ahịa kwa awa ọrụ ebe ọ na-ewepụ ihe egwu ọdịda dị egwu nke na-ebute oge nkwụsị na-enweghị atụmatụ. A na-enweta ego maka ígwè alloy n'ime awa 1,400 mbụ nke ọrụ na ọnọdụ ebe a na-egwupụta ihe na granite. N'ihe gbasara obere mmetụta dịka igwu ala ụrọ, uru ọnụ ahịa na-ebelata mana ọ ka na-akwado ígwè alloy na ihe dị ka pasent 25 dị ala karịa kwa awa ọrụ.

Mbibi nke profaịlụ imi Adapter na mmetụta ya na njide ezé

Imi ihe nkwụnye ahụ bụ elu igwe eji arụ ọrụ nke na-ejikọta kpọmkwem na ezé bọket. N'ime ọtụtụ puku usoro ibu n'ọnọdụ ebe a na-egwupụta ihe, profaịlụ imi na-eji nwayọọ nwayọọ na-agbanwe, na-agbanwe ọdịdị kọntaktị n'etiti ihe nkwụnye na ezé. Nyocha nha anyị nke ihe nkwụnye ahụ laghachiri mgbe awa 2,000 nke ọrụ ebe a na-egwupụta ihe na granite gosiri na obosara imi ahụ belatara site na nkezi nke 1.8 mm site na nkọwapụta mbụ, elu imi ahụ belatara site na 1.2 mm. Mgbanwe nha ndị a na-emepụta njikọ dị nro n'etiti ihe nkwụnye na ezé ahụ, na-ewebata egwuregwu nke na-eme ka ntụtụ yie ngwa ngwa ma na-ebelata mpaghara mbufe ibu dị irè. Mgbe mwepụ imi-ruo-ezé gafere 0.5 mm, ihe egwu nke ọdịda nke ntụtụ nkụ na-abawanye site na ihe dị ka atọ. Ngwọta ya abụghị naanị imepụta ihe nkwụnye iji mee ka nnabata mbụ sie ike, kama imepụta profaịlụ imi ihe nkwụnye ahụ na geometry na-akwụghachi ụgwọ nke na-ejigide mpaghara kọntaktị dị irè ọbụlagodi ka elu imi na-eyi. Ihe nkwụnye J300 anyị nwere ihe mgbata ogo 2 n'akụkụ imi nke na-enye aka ịkwụghachi onwe ya ka imi na-adị, na-eme ka nnyefe ibu dịkwuo mma n'oge ọrụ nkwụnye ahụ.

Njikwa Usoro Ọgwụgwọ Okpomọkụ maka Ogo Adapter Na-agbanwe agbanwe

Ihe kacha mkpa na mma nrụpụta ihe nkwụnye J300 bụ njikwa usoro ọgwụgwọ okpomọkụ. Ahịrị ọgwụgwọ okpomọkụ anyị maka ihe nkwụnye ígwè alloy gụnyere ebe a na-ekpo ọkụ tupu oge eruo na 350 deg C maka nkeji iri atọ iji belata ujo okpomọkụ, ọkụ austenitizing na 860 deg C yana nha nha okpomọkụ nke 5 deg C na mpaghara ibu, sistemụ mmanụ a na-agbanyụ ọkụ nwere oke mgbakasị ahụ na-eme ka ọnụego mgbakasị ahụ nke 55 deg C kwa sekọnd site na oke mgbanwe martensite, na ọkụ a na-agbanyụ ọkụ na 450 deg C maka nkeji 90 iji ruo ihe mgbaru ọsọ nke 42-46 HRC siri ike. Otu ọgwụgwọ okpomọkụ ọ bụla gụnyere kupọns nnwale atọ nke a kewara, a na-egbutu, a na-egbutu, ma nyochaa ya n'okpuru microscope metallurgical iji hụ na obere nhazi martensite dị ọkụ na-emezu nkọwapụta. A na-ajụ otu ọ bụla gosipụtara austenite echekwara karịa pasent 3 ma ọ bụ nhazi netwọk carbide ma gwọọ ya ọzọ. Ọkwa njikwa usoro a, nke a na-ejigide n'ihe karịrị otu puku mmepụta iri kwa afọ, na-eme ka o doo anya na ihe nkwụnye J300 ọ bụla na-apụ n'ebe anyị na-arụ ọrụ ruru otu ọkọlọtọ arụmọrụ ahụ n'agbanyeghị ụbọchị mmepụta ma ọ bụ nha otu.

Ọnụ ego niile nke onye nwe ya: Carbon Steel vs. Alloy Steel J300 Adapters

Ọnụ ego zuru oke nke nyocha nke ihe nkwụnye J300 na ọrụ ịgba ala ga-agụnye akụkụ ọnụ ahịa isii: ọnụahịa ịzụrụ mbụ, ọrụ nrụnye, ndụ ọrụ n'oge ọrụ, ọnụ ahịa oge ezumike na-atụghị anya ya (nke dị iche site na nha onye na-agba ala na uru mmepụta), ọnụ ahịa nnọchi ma ọ bụrụ na ihe nkwụnye ahụ ada ada tupu njedebe nke ndụ iyi, na mgbake akwụkwọ ikike. Maka ihe nkwụnye ígwè carbon 40Cr na ọnụ ahịa ịzụrụ $380, ndụ ọrụ a tụrụ anya ya bụ awa 1,200 n'ọnọdụ ịgba ala dị ala, yana ohere pasent 12 nke ọdịda tupu oge eruo (tupu awa 800) dabere na data ubi anyị sitere na ihe nkwụnye 1,400 a na-esochi. Ọnụ ego niile maka ihe nkwụnye gụnyere ntinye na ihe egwu oge ezumike bụ ihe dị ka $580. Maka ihe nkwụnye ígwè alloy 30CrNiMo8 na ọnụ ahịa ịzụrụ $520, ndụ ọrụ a tụrụ anya ya bụ awa 3,600 yana ohere pasent 2 nke ọdịda tupu oge eruo. Ọnụ ego niile maka ihe nkwụnye gụnyere ntinye na ihe egwu oge ezumike bụ ihe dị ka $720. Ọ bụ ezie na ihe nkwụnye ígwè alloy nwere ọnụ ahịa zuru oke nke pasentị iri abụọ na anọ karịa, ọnụ ahịa ya kwa awa ọrụ bụ $0.20 ma e jiri ya tụnyere $0.48 maka ígwè carbon, nke bụ mbelata pasentị iri ise na asatọ. Maka ebe a na-egwupụta ihe iri na-eji ihe nkwụnye ọkụ na-eme ihe n'ọnụego a, ego echekwara kwa afọ karịrị $14,000.