Posachedwapa, gulu latsopano laMachubu achitsulo chosalala chopanda msoko a DIN 2391 St52 opangidwa ndi chitsulo choziziraku India kwatha bwino. Isanatumizidwe,Chitsulo cha Botopyachita kafukufuku wokhwima kuti iwonetsetse kuti chinthucho chikukwaniritsa zofunikira zaukadaulo za kasitomala komanso miyezo yolondola (zithunzi za kafukufukuyo zalumikizidwa kumapeto kwa nkhaniyi).
Machubu achitsulo olondola ndi machubu achitsulo okhala ndi zolekerera zolimba komanso zapamwamba kwambiri, zomwe zimagwiritsidwa ntchito kwambiri mu zida zama hydraulic, makina opumira mpweya, zida zamagalimoto ndi ntchito zina zomwe zimafuna kulondola kwakukulu.
Miyezo yomwe imagwiritsidwa ntchito kwambiri pa machubu achitsulo olondola osapindika ndi mongaDIN 2391, EN 10305-1ndiGB/T 3639Pakati pawo, DIN 2391 St52 ndi mtundu wogwiritsidwa ntchito kwambiri, wodziwika ndi makhalidwe ake abwino a makina komanso luso lake labwino kwambiri lopangira makina.
Mkhalidwe wotumizira ndi chinthu chofunikira chomwe chimakhudza magwiridwe antchito a machubu achitsulo olondola, chifukwa chimakhudza njira zosiyanasiyana zoyeretsera kutentha zomwe zimagwiritsidwa ntchito pamachubu.
| DIN 2391 | EN 10305-1 ndi GB/T 3639 | Udindo | Kufotokozera |
| BK | +C | Yozizira yomalizidwa (yolimba) | Machubu satenthedwa pambuyo pa kuzizira komaliza, motero, amakhala opirira kwambiri kusinthika. |
| BKW | +LC | Yozizira yomalizidwa (yofewa) | Chithandizo chomaliza cha kutentha chimatsatiridwa ndi kuzizira komwe kumakhudza kusintha kochepa. Kukonza koyenera kumalola kuzizira pang'ono (monga kupindika kukukulirakulira). |
| BKS | +SR | Kuzizira kwatha komanso kumachepetsa nkhawa | Chithandizo cha kutentha chimagwiritsidwa ntchito pambuyo pa njira yomaliza yopangira kuzizira. Kutengera momwe zinthu zilili zoyenera, kuwonjezeka kwa kupsinjika komwe kumatsalira kumathandiza kupanga ndi kukonza mpaka pamlingo winawake. |
| GBK | +A | Annealed | Njira yomaliza yopangira chimfine imatsatiridwa ndi kupopera mumlengalenga wolamulidwa. |
| NBK | +N | Zachibadwa | Njira yomaliza yopangira kuzizira imatsatiridwa ndi kupopera pamwamba pa malo osinthira pamwamba mumlengalenga wolamulidwa. |
Machubu a BK (+C) ndi BKW (+LC) amangogwiritsidwa ntchito pozizira ndipo safuna chithandizo cha kutentha, pomwe BKS (+SR), GBK (+A), ndi NBK (+N) amafunikira njira yofananira yogwiritsira ntchito kutentha pambuyo pogwira ntchito pozizira.
Pa oda iyi, kasitomala amafunikira machubu olondola a DIN 2391 St52 opanda msoko omwe ali mu BK. Katundu wa St52 m'malo osiyanasiyana otumizira afotokozedwa mwatsatanetsatane pansipa.
| Kalasi yachitsulo | Kapangidwe ka mankhwala mu % ndi kulemera | ||||
| C | Si | Mn | P | S | |
| DIN 2391 St52 | 0.22 payokha | 0.55 pasadakhale | 1.60 pazipita | 0.025 pasadakhale | 0.025 pasadakhale |
| Mkhalidwe Womaliza Woperekera | Mphamvu Yokoka Rm | Mphamvu Yopereka ReH | Kutalika A5 |
| BK | Mpa yaing'ono ya 640 | — | Osachepera 4% |
| BKW | Mpa yaing'ono ya 580 | — | Osachepera 7% |
| BKS | Mpa yaing'ono ya 580 | Mpa yaing'ono ya 420 | Osachepera 10% |
| GBK | Mpa yaing'ono ya 490 | — | Osachepera 22% |
| NBK | 490 – 630 Mpa | Mpa yaing'ono ya 355 | Osachepera 22% |
Dongosolo ili lili ndi mafotokozedwe angapo, nthawi ino tikuwonetsa mafotokozedwe a chubu chokhala ndi OD 100mm × ID 80mm. Malinga ndi DIN 2391, kulekerera kwa OD ndi ID pa mafotokozedwe awa ndi ±0.45 mm, koma pankhaniyi, kasitomala amafuna kulondola kwakukulu ndipo adatchula kulekerera kwa ±0.2 mm. Pofuna kukwaniritsa zofunikira za kasitomala, Botop Steel yakonza bwino kwambiri kuwongolera kulondola kwa zinthuzi, ndikuyang'ana chitoliro chilichonse chachitsulo chimodzi ndi chimodzi chisanatumizidwe kuti zitsimikizire kuti zofunikira zonse zakwaniritsidwa.
Zina mwa zithunzi zenizeni zowunikira zaphatikizidwa pansipa:
Kuyang'anira Chidutswa Chakunja (OD: 80 ± 0.2 mm)
Kuyang'anira M'mimba mwake Wamkati (ID: 80 ± 0.2 mm)
Kuyang'anira Kutalika
Botop yakhala ikugwira ntchito kwambiri mumakampani opanga mapaipi achitsulo kwa zaka zambiri, ndipo kulimbikira kwake pa khalidwe ndi mbiri yabwino kwapangitsa kuti makasitomala ambiri azikhulupirirane komanso azindikirike pamsika. Kudzera mu mgwirizano wapafupi ndi makasitomala, kampaniyo ikupitilizabe kukonza zinthu ndi ntchito zake kuti zikwaniritse zosowa za msika zomwe zikusintha nthawi zonse.
Ngati muli ndi zosowa zilizonse za chitoliro chachitsulo, mutha kulumikizana nafe, gulu la akatswiri lili okonzeka kukutumikirani.
Nthawi yotumizira: Meyi-09-2025