1. Gawo 1: Ikani chidebe cha kumbuyo ndikuyika chidebecho pamalo ake

Gawo loyamba la njira yosinthira mano a chidebe cha JCB 2CX/3CX cha backhoe ndikuyimitsa chidebe cha backhoe pamalo osalala ndikuyika brake yoyimitsa. Malo oimika magalimoto ayenera kukhala ndi malo okwana 1.5 m kuzungulira chidebe cha backhoe kuti woyendetsa ndi katswiri wa ntchito za kumunda athe kulowa bwino pamalo a chidebecho. Makina Olumikizirana a NingboGulu la JCBmbiri ya malonda imalemba njira yokhazikika yoyimitsira magalimoto ndi malo oimika magalimoto kuti asinthe JCB 2CX ndi 3CX backhoe.

Gawo lachiwiri la Gawo 1 ndikuyika chidebe pansi ndi dzino losweka likuyang'ana mmwamba. Malo oyika chidebe ayenera kupereka malo okwana 0.5 m pamwamba pa dzino losweka kuti katswiri wa ntchito ya kumunda azitha kupeza pini yosungira. Malo okhazikika a chidebe ndi malo obwezerezedwanso kwathunthu ndi chidebe chopendekeka kumbuyo ku ngodya yayikulu. Gulu logula liyenera kupempha zikalata za ntchito ya kumunda kuchokera kwa wogulitsayo zokhudzana ndi njira yoyikira pa chitsanzo chilichonse.

2. Gawo 2: Dziwani Mtundu wa Dzino la Chidebe ndi Adapter

Gawo lachiwiri la njira yosinthira ndikupeza chitsanzo cha dzino la chidebe ndi adaputala. Kuzindikiritsa chitsanzo cha JCB 2CX backhoe loader kumaphatikizapo K25RC (standard earthmoving), K50RC (heavy-duty trenching), ndi K75RC (heavy-duty trenching ndi quarry). Kuzindikiritsa chitsanzo cha JCB 3CX backhoe loader kumaphatikizapo K50RC (standard earthmoving), K75RC (heavy-duty trenching), ndi K90RC (heavy-duty quarry).

Kuzindikiritsa mtundu wa chipangizochi kumaphatikizaponso cholozera cha adaputala. Cholozera chapadera cha dzino la JCB 2CX bucket ndi cholozera cha 332/C4388. Cholozera chapadera cha dzino la JCB 3CX bucket ndi cholozera cha 332/C4389. Zolemba za cholozera chapadera cha adaputala ndi chitsimikizo chachiwiri chomwe gulu logula liyenera kupempha kuchokera kwa wogulitsayo pamodzi ndi chitsimikizo cha mtundu uliwonse.

Kugwirizana kwa mtundu wa kampani ndi chizindikiro chachitatu chotsimikizira chomwe gulu logula liyenera kuwunika. Dzino la JCB 2CX/3CX la ndowa liyenera kugwirizana ndi BYG, NBLF, ndi Caterpillar yofanana ndi yomwe ili mkati mwa kulekerera kwa ±0.5 mm pamalo ofunikira. Gulu logula liyenera kupempha zikalata zogwirizana ndi mtundu wa kampani kuchokera kwa wogulitsayo zokhala ndi mawonekedwe ofanana ndi njira yoyesera.

Kuyerekeza kwa OEM ndi aftermarket ndi chizindikiro chachinayi chotsimikizira chomwe gulu logula liyenera kuwunika. Dzino la chidebe la OEM JCB nthawi zambiri limawononga nthawi 1.5 mpaka 2.0 kuposa lofanana ndi aftermarket pa unit iliyonse. Chofanana ndi aftermarket kuchokera ku Ningbo Join Machinery product portfolio chimapereka kuyanjana kolembedwa ndi mafotokozedwe a OEM ndi 90% mpaka 95% ya nthawi yogwiritsidwa ntchito ndi OEM. Gulu logula liyenera kupempha zikalata zoyerekeza za OEM ndi aftermarket kuchokera kwa wogulitsa zomwe zili ndi chitsimikiziro cha pa batch iliyonse komanso deta yoyesera ya moyo wogwiritsidwa ntchito ndi batch iliyonse.

3. Gawo 3: Chotsani Pin Yosungira ndi Dzino Losweka la Chidebe

Gawo lachitatu la njira yosinthira ndikuchotsa pini yosungira ndi dzino la chidebe lomwe lawonongeka. Kuchotsa pini yosungira kumagwiritsa ntchito nyundo yokhazikika ndi nkhonya yokhala ndi chidebecho chili pa ngodya ya madigiri 60 kuti chibowocho chilowe. Pini yosungira iyenera kuchotsedwa ndi nkhonya imodzi kuti ipewe kusintha kwa pini yosungira. Gulu la uinjiniya wa Ningbo Join Machinery lalemba njira yochotsera pini yosungira ndi kulemera kwa nyundo pa chitsanzo chilichonse komanso kukula kwa m'mimba mwake.

Kuchotsa dzino la chidebe chosweka ndi njira yachiwiri yotsimikizira yomwe katswiri wa ntchito ya kumunda ayenera kuwunika. Dzino losweka liyenera kuchotsedwa ndi adaputala ya dzino la chidebe choyikidwabe. Adaputala iyenera kuyang'aniridwa kuti ione ngati lili ndi mawonekedwe osweka komanso kukula kwa mano akachotsedwa. Adaputala yokhala ndi mawonekedwe osweka opitilira malire a 2 mm iyenera kusinthidwa pamodzi ndi dzino la chidebe chosweka.

4. Gawo 4: Tsukani Mpando wa Adapter ndi Bore ya Pin Yosungira

Gawo lachinayi la njira yosinthira ndikutsuka mpando wa adaputala ndi chibowo cha pini yosungira. Kuyeretsa mpando wa adaputala kumagwiritsa ntchito burashi ya waya ndi nsalu yoyera kuchotsa dothi, zinyalala, ndi zinyalala zomwe zinagwiritsidwa ntchito kale pochotsa dzino la chidebe. Kuyeretsa chibowo cha pini yosungira kumagwiritsa ntchito burashi ya bore ndi nsalu yoyera kuchotsa dothi ndi zinyalala zomwe zinagwiritsidwa ntchito pochotsa chibowo cha pini yosungira.

Kuyang'anira mpando wa adaputala ndi njira yachitatu yotsimikizira yomwe katswiri wa utumiki wakumunda ayenera kuchita. Mpando wa adaputala uyenera kuyang'aniridwa kuti awone ngati ukuwonongeka, momwe ukuwonongeka, komanso momwe ukulekerera kukula kwake. Adaputala yokhala ndi mawonekedwe owonongeka opitilira malire a 0.5 mm pamwamba pa mbali iyenera kusinthidwa. Makina Olumikizira a NingbozinthuTsambali limafotokoza njira yowunikira adaputala ndi mfundo za malire a kuvala pa mtundu uliwonse.

5. Gawo 5: Ikani Dzino Latsopano la Chidebe ndi Pin Yatsopano Yosungira

Gawo lachisanu la njira yosinthira ndi kukhazikitsa dzino latsopano la chidebe ndi pini yatsopano yosungira. Dzino latsopano la chidebe liyenera kuyikidwa pa adaputala ndi mphuno ya dzino la chidebe ikuyang'ana mbali yogwirira ntchito. Pini yosungira iyenera kuyikidwa kudzera mu dzino la chidebe ndi adaputala yokhala ndi mphuno ya pini yosungira yomwe ili pafupi ndi malo osungira pini.

Kusankha pini yosungira ndi njira yachinayi yotsimikizira yomwe gulu logula liyenera kuwunika. Pini yosungira yokhazikika ya dzino la chidebe la JCB 2CX ndi pini yosungira ya 332/C4388 yokhala ndi mainchesi 25 mm ndi kutalika kwa 120 mm. Pini yokhazikika ya dzino la chidebe la JCB 3CX ndi pini yosungira ya 332/C4389 yokhala ndi mainchesi 30 mm ndi kutalika kwa 140 mm. Gulu logula liyenera kupempha tsatanetsatane wa pini yosungira yochokera kwa wogulitsayo yokhala ndi chitsimikiziro cha miyeso.

Kukhazikitsa chitseko cha pin chosungira ndi njira yachisanu yotsimikizira yomwe katswiri wautumiki wakumunda ayenera kuchita. Chitseko cha pin chosungira chiyenera kuyikidwa ndi cholumikizira cha clip chomwe chili pamalo olumikizira pin chosungira. Chitsekocho chiyenera kumenyedwa ndi nyundo kuti zitsimikizire kuti chikugwira ntchito bwino mu malo olumikizira. Chitseko cha pin chosungira cha dzino la JCB 2CX ndi 332/C4388. Chitseko cha pin chosungira cha dzino la JCB 3CX ndi 332/C4389.

Mafotokozedwe a zinthu za pini yosungira ndi mfundo yachisanu ndi chimodzi yotsimikizira yomwe gulu logula liyenera kuwunika. Zinthu za pini yosungira ndi zitsulo za 42CrMo zomwe zimakhala ndi chitsulo choyezera kutentha ndi kutentha kwa 38 mpaka 44 HRC. Pini yosungira iyenera kusinthidwa pamodzi ndi kusintha kwa dzino la chidebe kuti zitsimikizire kuti pini yosungira ikugwira ntchito bwino nthawi zonse. Gulu la uinjiniya wa makina a Ningbo Join limapereka chitsimikizo cha zinthu za pini yosungira pa gulu limodzi ndi chithandizo chowunikira kutentha komanso deta yoyesera kuuma pa gulu limodzi.

6. Gawo 6: Mndandanda Wowunikira Kuvomerezeka kwa Mphamvu Yoyambira ndi Kukhazikitsa

Gawo lachisanu ndi chimodzi la njira yosinthira ndi kugwiritsa ntchito mphamvu yamagetsi yamunda ndi kutsimikizira kuvomereza kwa kuyiyika. Mafotokozedwe a mphamvu yamagetsi ya JCB 2CX/3CX backhoe bucket tooth retainer pin ali pakati pa 220 Nm ndi 280 Nm kutengera mtundu wa dzino la bucket ndi kukula kwa ulusi wa pini. Mphamvu yamagetsi yamunda iyenera kugwiritsidwa ntchito ndi chogwirira chamagetsi chamagetsi chokhazikika malinga ndi zomwe zafotokozedwa kale. Gulu la akatswiri opanga makina a Ningbo Join lalemba mafotokozedwe a mphamvu yamagetsi yamtundu uliwonse ndi malangizo a chogwirira chamagetsi chamagetsi chokhazikika.

Kuvomereza chilolezo chokhazikitsa ndi chizindikiro chachisanu ndi chimodzi chomwe katswiri wa ntchito yomanga ayenera kuchita. Mpata wokhazikitsa pakati pa dzino la chidebe ndi adaputala uli pakati pa 0.3 mm ndi 1.0 mm pa bore ya pini yosungira. Mpata wopitirira 1.5 mm umapangitsa kuti pini yosungira iwonongeke msanga ndipo dzino la chidebe libwerere m'mbuyo panthawi yogwira ntchito. Mpata wochepera 0.2 mm umapangitsa kuti dzino la chidebe likhale lovuta kuliyika ndi kulichotsa panthawi yogwira ntchito yomanga. Gulu logula zinthu liyenera kupempha zikalata zovomerezeka za chilolezo chokhazikitsa kuchokera kwa wogulitsayo zomwe zili ndi zofunikira pa mtundu uliwonse.

7. Chidebe cha Dzino ndi Zofunika pa Moyo Wovala

Kapangidwe ka dzino la chidebe kamakhudza mwachindunji kuchuluka kwa malo osinthira munda. Kapangidwe ka chitsulo chopangidwa ndi alloy (manganese + nickel + chromium + molybdenum) kamathandizira moyo wa maola 150 mpaka 200 pansi pa mkhalidwe wokhazikika wa nthaka. Kapangidwe ka alloy yapamwamba (manganese + nickel + chromium + molybdenum + boron) kamathandizira moyo wa maola 200 mpaka 300 ndi boron yowonjezera. Gulu logula liyenera kupempha zikalata zolembedwa za kapangidwe ka zinthu kuchokera kwa wogulitsa pamodzi ndi chithandizo cholembedwa cha kutentha ndi mayeso olimba a pa batch.

Nthawi yogwiritsidwa ntchito poyesa nthaka ndi njira yachisanu ndi chiwiri yotsimikizira yomwe gulu logula liyenera kuwunika. Nthawi yogwiritsidwa ntchito poyesa nthaka (mchenga + miyala + miyala) nthawi zambiri imachepetsa nthawi yogwiritsidwa ntchito mpaka maola 80 mpaka 120. Nthawi yogwiritsidwa ntchito poyesa nthaka (nthaka yotayirira + miyala yopepuka) nthawi zambiri imathandizira nthawi yogwiritsidwa ntchito yogwiritsidwa ntchito kuyambira maola 150 mpaka 200. Nthawi yogwiritsidwa ntchito poyesa nthaka yofewa (dongo + mchenga + zachilengedwe) nthawi zambiri imathandizira nthawi yogwiritsidwa ntchito yogwiritsidwa ntchito yogwiritsidwa ntchito kuyambira maola 200 mpaka 300. Gulu la Ningbo Join Machinery Engineering limapereka deta yoyesera nthawi yogwiritsidwa ntchito poyesa nthaka pogwiritsa ntchito njira yoyesera yolembedwa.

Kuuma kwa dzino la chidebe ndi chizindikiro chachisanu ndi chitatu chomwe gulu logula liyenera kupempha. Kuuma kwa dzino la chidebe cha JCB 2CX/3CX backhoe loader kuli pakati pa 46 ndi 52 HRC pamalo owonongeka komanso pakati pa 32 ndi 38 HRC pamalo owonongeka. Kusiyana kwa kuuma kumathandizira kuuma kwa dzino pamwamba ndi kuuma kwa dzino pakati. Gulu logula liyenera kupempha deta yoyesera kuuma kwa dzino kuchokera kwa wogulitsayo ndi njira yolembedwa yochizira kutentha ndi mbiri ya kuuma kwa dzino pa gulu.

Chitsimikizo cha kukana kwa dzino la chidebe ndi chizindikiro chachisanu ndi chinayi chomwe gulu logula liyenera kuwunika. Mtengo wokhazikika wa Charpy wa dzino la chidebe la JCB 2CX/3CX uli pakati pa 25 J ndi 35 J kutentha kwa chipinda komanso pakati pa 18 J ndi 28 J pa kutentha kwa -20 digiri Celsius. Gulu logula liyenera kupempha deta yoyesera ya zotsatira za chidebe kuchokera kwa wogulitsayo ndi njira yoyeserera yolembedwa komanso kutentha kwa chidebe.

Kuuma kwa dzino la chidebe ndi chizindikiro chachisanu ndi chitatu chomwe gulu logula liyenera kupempha. Kuuma kwa dzino la chidebe cha JCB 2CX/3CX backhoe loader kuli pakati pa 46 ndi 52 HRC pamalo owonongeka komanso pakati pa 32 ndi 38 HRC pamalo owonongeka. Kusiyana kwa kuuma kumathandizira kuuma kwa dzino pamwamba ndi kuuma kwa dzino pakati. Gulu logula liyenera kupempha deta yoyesera kuuma kwa dzino kuchokera kwa wogulitsayo ndi njira yolembedwa yochizira kutentha ndi mbiri ya kuuma kwa dzino pa gulu.

Chitsimikizo cha kukana kwa dzino la chidebe ndi chizindikiro chachisanu ndi chinayi chomwe gulu logula liyenera kuwunika. Mtengo wokhazikika wa Charpy wa dzino la chidebe la JCB 2CX/3CX uli pakati pa 25 J ndi 35 J kutentha kwa chipinda komanso pakati pa 18 J ndi 28 J pa kutentha kwa -20 digiri Celsius. Gulu logula liyenera kupempha deta yoyesera ya zotsatira za chidebe kuchokera kwa wogulitsayo ndi njira yoyeserera yolembedwa komanso kutentha kwa chidebe.

8. Zolemba za Utumiki Wakumunda ndi Maphunziro a Ogwira Ntchito

Zolemba za utumiki wakumunda ndi mfundo yachisanu ndi chitatu yotsimikizira yomwe gulu logula zinthu liyenera kupempha. Woperekayo ayenera kupereka kanema wophunzitsira woyendetsa, chikalata cha njira yogwirira ntchito yakumunda, pepala lofotokozera za torque pa chitsanzo chilichonse, ndi pepala lovomereza kuyika kwa mtundu uliwonse. Gulu la uinjiniya wa Ningbo Join Machinery limapereka phukusi lonse la zikalata za utumiki wakumunda ndi kumasulira kwa zilankhulo zambiri kwa anthu aku Europe ndi North America omwe akugwiritsa ntchito msika.

Maphunziro a ogwira ntchito ndi mfundo yachisanu ndi chinayi yotsimikizira yomwe gulu logula zinthu liyenera kuwunika. Maphunzirowa ayenera kuphimba njira yosinthira magawo 6 ndi chiwonetsero chogwira ntchito pa JCB 2CX ndi chojambulira cha JCB 3CX backhoe. Gulu la uinjiniya wa Ningbo Join Machinery limathandizira maphunziro a ogwira ntchito ndi chiwonetsero chomwe chili pamalopo komanso njira yowonera kanema patali kwa makasitomala apadziko lonse lapansi omanga ndi migodi.

9. Mndandanda wa Mano Ogulira Bokosi la Backhoe Bucket la Bofu JCB la Masitepe 5

Kwa magulu ogula zinthu ku Ulaya ndi ku North America omwe ali okonzeka kutchula dzina la JCB 2CX/3CX bucket tooth ndi zolemba zosinthira, mndandanda wa masitepe 5 wotsatirawu umaphatikiza ma specs otsimikizira kuchokera ku magawo am'mbuyomu kukhala chikalata chimodzi chofotokozera za kugula.

1. Dziwani chitsanzo cha JCB (JCB 2CX vs JCB 3CX) ndi momwe chimagwiritsidwira ntchito (kusuntha nthaka + kuyika matope pang'ono motsutsana ndi kuyika matope olemera + miyala yamwala).
2. Tchulani chitsanzo cha dzino la chidebe (K25RC + K50RC vs K50RC + K75RC) ndi pini yosungira (332/C4388 + 332/C4389).
3. Pemphani kuti mudziwe zambiri za field torque (220 mpaka 280 Nm) ndi zikalata zoyezera torque.
4. Tsimikizani kuti chilolezo chokhazikitsa (0.3 mpaka 1.0 mm) chavomerezedwa ndi zikalata zofotokozera za mtundu uliwonse.
5. Pemphani kanema wophunzitsira wa woyendetsa ndi chikalata cha njira yogwirira ntchito kumunda kuchokera kwa wogulitsa.
6. Pemphani kuwerengera kwa TCO (ndalama zonse za umwini) ndi mtengo wa chipangizocho, mtengo wokhazikitsa, nthawi yogwiritsira ntchito chipangizocho pa ola limodzi, komanso kupezeka kwa zida zina.

Kusanthula mtengo ndi phindu la OEM ndi njira yachiwiri yowonjezera mtengo yomwe gulu logula liyenera kupempha. Dzino la chidebe cha pambuyo pa msika kuchokera ku Ningbo Join Machinery nthawi zambiri limawononga 50% mpaka 65% ya dzino la chidebe la OEM JCB ndi 90% mpaka 95% ya nthawi yonse yogwiritsidwa ntchito ndi OEM. Kusanthula mtengo ndi phindu la pambuyo pa msika nthawi zambiri kumathandizira kuchepetsa kwa 30% mpaka 40% mu bajeti ya pachaka ya gawo logwiritsidwa ntchito. Gulu logula liyenera kupempha kusanthula mtengo ndi phindu kuchokera kwa wogulitsa ndi mitengo ya chidebe chilichonse ndi zikalata za chitsimikizo cha chidebe chilichonse.

Nthawi yogulira ndi kupezeka kwa zida zosinthira ndi chinthu chachitatu chomwe gulu logula liyenera kupempha. Nthawi yogulira koyamba kwa dzino lokhazikika la chidebe nthawi zambiri imakhala pakati pa masiku 15 ndi 30 kuchokera pamene wogulitsa watsimikizira. Kupezeka kwa zida zosinthira kuyenera kuphimba dzino la chidebe, pini yosungira, chogwirizira cha pini yosungira, ndi adaputala yokhala ndi zikalata zotsimikizira pa gulu lililonse. Gulu la uinjiniya wa Ningbo Join Machinery limathandizira nthawi yogulira ya masiku 15 mpaka 30 ndi mphamvu yopangira yomwe imasungidwa pamalo opangira ogulitsa.

Kwa magulu ogula mano a backhoe bucket tooth a JCB 2CX/3CX, zinthu zotsatirazi zamakampani zimapereka deta yokhudzana ndi miyezo yofotokozera za mano a bucket tooth ndi dongosolo lotsatira kuphwanya kwa zida zomangira.Bungwe Lapadziko Lonse Loyimira Malamulo (ISO)imafalitsa muyezo wa ISO 6014 wa zofunikira pa zida zovekera makina osuntha.ASTM Yapadziko Lonseimafalitsa muyezo wa ASTM A532 wa chitsulo chopangidwa ndi chitsulo chosamva kusweka.SAE Internationalimafalitsa muyezo wa SAE J1191 wa kuuma kwa chitsulo ndi muyeso wokana kukalamba.JCBWebusaiti yovomerezeka imafalitsa tsatanetsatane waukadaulo wa JCB 2CX ndi 3CX backhoe loader.Bungwe la Zida Zomangira Pambuyo pa Msikaimafalitsa miyezo ya makampani ovala zinthu zomwe zagwiritsidwa ntchito pambuyo pa msika komanso malangizo ogwirizana ndi mitundu yosiyanasiyana ya zinthu.

Kwa magulu opeza mano a chidebe cha kumbuyo cha JCB 2CX/3CX omwe ali okonzeka kufotokoza mano a chidebe ndi zolemba za njira 6 zosinthira, gulu la uinjiniya wa Ningbo Join Machinery likhoza kupereka chitsimikizo cha mtundu uliwonse, kufotokozera kwa mphamvu ya field, pepala lovomerezeka lokhazikitsa, ndi kanema wophunzitsira wa woyendetsa.Gulu la JCBKampaniyi yathandiza ntchito za JCB 2CX ndi 3CX backhoe loader pogwiritsa ntchito njira zolembedwa m'misika yonse ya EU ndi North America.Tsamba loyamba la makina a Ningbo Lowani nawokuti muwonenso zomwe zili mu JCB bucket tooth ndi zolemba zina, kapena pitani kutsamba la zinthukuti mupeze mitundu yonse ya mankhwala a mano a ndowa.

Mafunso Ofunsidwa Kawirikawiri