Kwanan nan, wani sabon rukuni naDIN 2391 St52 bututun ƙarfe marasa shinge marasa shinge masu sanyiAn kammala aikin jigilar kaya a Indiya cikin nasara. Kafin jigilar kaya,Botop Karfeya gudanar da bincike mai zurfi don tabbatar da cewa samfurin ya cika buƙatun fasaha da ƙa'idodin daidaito na abokin ciniki gaba ɗaya (an haɗa hotunan binciken a ƙarshen labarin).
Bututun ƙarfe masu daidaito bututun ƙarfe ne masu jure wa matsi da ingancin saman, waɗanda ake amfani da su sosai a cikin kayan aikin hydraulic, tsarin iska, sassan mota da sauran aikace-aikacen da ke buƙatar daidaito mai kyau.
Ka'idojin da ake amfani da su don bututun ƙarfe marasa sumul sun haɗa daDIN 2391, EN 10305-1, kumaGB/T 3639Daga cikinsu, DIN 2391 St52 wani nau'in injina ne da ake amfani da shi sosai, wanda aka san shi da kyawawan halayen injina da kuma ingantaccen injina.
Yanayin isarwa muhimmin abu ne da ke shafar aikin bututun ƙarfe masu daidaito, domin yana ɗauke da hanyoyin magance zafi daban-daban da aka yi amfani da su a bututun.
| DIN 2391 | EN 10305-1 da GB/T 3639 | Naɗi | Bayani |
| BK | +C | An gama da sanyi (mai tauri) | Ba a yin amfani da bututun zafi bayan an gama yin sanyi, don haka suna da juriya sosai ga nakasa. |
| BKW | +LC | An gama da sanyi (mai laushi) | Bayan maganin zafi na ƙarshe, sai a zana zanen sanyi wanda ya ƙunshi ƙarancin nakasa. Ci gaba da aiki mai kyau yana ba da damar samar da wani matakin sanyi (misali faɗaɗa lanƙwasa). |
| BKS | +SR | An gama sanyi kuma an rage damuwa | Ana amfani da maganin zafi bayan kammala tsarin samar da sanyi. Dangane da yanayin sarrafawa mai dacewa, ƙaruwar matsin da ya rage yana ba da damar samarwa da kuma yin injina zuwa wani mataki. |
| GBK | +A | An rufe | Tsarin ƙarshe na simintin sanyi yana biyo bayan annealing a cikin yanayi mai sarrafawa. |
| NBK | +N | An daidaita | Tsarin samar da sanyi na ƙarshe yana biyo bayan annealing sama da wurin canza yanayi na sama a cikin yanayi mai sarrafawa. |
Bututun BK (+C) da BKW (+LC) ana amfani da su ne kawai a sanyi kuma ba sa buƙatar maganin zafi, yayin da BKS (+SR), GBK (+A), da NBK (+N) ke buƙatar tsarin maganin zafi mai dacewa bayan aikin sanyi.
Don wannan odar, abokin ciniki yana buƙatar bututun DIN 2391 St52 masu daidaito marasa matsala a cikin yanayin BK. An bayyana halayen kayan St52 a cikin yanayin bayarwa daban-daban dalla-dalla a ƙasa.
| Karfe aji | Sinadarin sinadarai a cikin % ta hanyar taro | ||||
| C | Si | Mn | P | S | |
| DIN 2391 St52 | 0.22 mafi girma | matsakaicin 0.55 | Matsakaicin 1.60 | matsakaicin 0.025 | matsakaicin 0.025 |
| Yanayin Kayayyakin Ƙarshe | Ƙarfin Tashin Hankali Rm | Ƙarfin Yawa ReH | Tsawaita A5 |
| BK | Min 640 Mpa | — | Mafi ƙarancin kashi 4% |
| BKW | Min 580 MPa | — | Mafi ƙarancin kashi 7% |
| BKS | Min 580 MPa | Min 420 Mpa | Mafi ƙarancin kashi 10% |
| GBK | Min 490 MPa | — | Mafi ƙarancin kashi 22% |
| NBK | 490 – 630 Mpa | Min 355 Mpa | Mafi ƙarancin kashi 22% |
Wannan tsari ya ƙunshi takamaiman bayanai da dama, a wannan karon muna nuna takamaiman bututun da ke da OD 100mm × ID 80mm. A cewar DIN 2391, haƙurin OD da ID don wannan ƙayyadaddun bayanai shine ±0.45 mm, amma a wannan yanayin, abokin ciniki ya buƙaci matakin daidaito mafi girma kuma ya ƙayyade haƙurin ±0.2 mm. Domin biyan buƙatun abokin ciniki, Botop Steel ya inganta musamman wajen sarrafa daidaiton girma na wannan samfurin, kuma ya duba kowane bututun ƙarfe ɗaya bayan ɗaya kafin jigilar kaya don tabbatar da cewa an cika duk buƙatun.
Wasu daga cikin hotunan binciken an haɗa su a ƙasa:
Duba Diamita na Waje (OD: 80 ±0.2 mm)
Dubawar Diamita ta Ciki (ID: 80 ±0.2 mm)
Duba Tsawon Lokaci
Kamfanin Botop ya shafe shekaru da yawa yana aiki tukuru a fannin bututun ƙarfe, kuma dagewarsa kan inganci da kyakkyawan suna ya jawo amincewar abokan ciniki da kuma karɓuwa a kasuwa. Ta hanyar haɗin gwiwa da abokan ciniki, kamfanin yana ci gaba da inganta kayayyakinsa da ayyukansa don biyan buƙatun kasuwa da ke canzawa koyaushe.
Idan kuna da wasu buƙatun bututun ƙarfe, za ku iya tuntuɓar mu, ƙungiyar ƙwararru a shirye take ta yi muku hidima.
Lokacin Saƙo: Mayu-09-2025