Mu dongosolo lamakono la mafakitale, ma coil achitsulo opindidwa ndi moto ndi zinthu zofunika kwambiri, ndipo kusiyanasiyana kwa mitundu yawo ndi kusiyana kwa magwiridwe antchito zimakhudza mwachindunji njira yopititsira patsogolo mafakitale otsika. Mitundu yosiyanasiyana ya ma coil achitsulo opindidwa ndi moto imagwira ntchito yofunika kwambiri m'magawo a zomangamanga, magalimoto, mphamvu, ndi zina zotero chifukwa cha kapangidwe kake ka mankhwala ndi mawonekedwe ake apadera. Zotsatirazi zikuyang'ana kwambiri pakuwunika mitundu ya ma coil achitsulo opindidwa ndi moto omwe amafunidwa kwambiri pamsika komanso kusiyana kwawo kwakukulu.
Mphamvu Yoyambira: Q235B ndi SS400
Q235B ndi chitsulo chopangidwa ndi kaboni wochepa chomwe chimagwiritsidwa ntchito kwambiri ku China, chokhala ndi kaboni wokwanira pafupifupi 0.12%-0.20%, ndipo chili ndi pulasitiki wabwino komanso mphamvu zowotcherera. Mphamvu yake yobereka ndi ≥235MPa ndipo imagwiritsidwa ntchito kwambiri pomanga mafelemu, zothandizira milatho ndi zida zina zamakanika. Mumakampani omanga, ma I-beams, zitsulo za channel ndi zitsulo zina zopangidwa ndi ma coil achitsulo otenthedwa a Q235B zimakhala zoposa 60%, zomwe zimathandiza kuti zomangamanga za m'mizinda zigwire ntchito.
SS400 ndi chitsulo chopangidwa ndi kaboni chomwe chimagwiritsidwa ntchito padziko lonse lapansi chomwe chili ndi mphamvu yofanana ndi Q235B, koma chimawongolera kwambiri zinyalala za sulfure ndi phosphorous komanso chimakhala bwino pamwamba. Pa ntchito yomanga zombo, ma coil a SS400 otenthedwa nthawi zambiri amagwiritsidwa ntchito pazinthu zomangidwa ndi thumba. Kukana kwake dzimbiri m'madzi a m'nyanja kuli bwino kuposa chitsulo wamba cha kaboni, zomwe zimaonetsetsa kuti maulendo apanyanja ndi otetezeka.
Oimira amphamvu kwambiri: Q345B ndi Q960
Q345B ndi chitsulo cholimba kwambiri chomwe chili ndi manganese wochepa wowonjezeredwa ndi 1.0%-1.6%, ndipo mphamvu yake yobereka imaposa 345MPa. Poyerekeza ndi Q235B, mphamvu yake imawonjezeka ndi pafupifupi 50%, pomwe ikukhalabe ndi kusinthasintha kwabwino. Mu uinjiniya wa mlatho, ma box girders opangidwa ndi ma coil achitsulo opangidwa ndi Q345B amatha kuchepetsa kulemera ndi 20%, zomwe zimachepetsa kwambiri ndalama zogwirira ntchito. Mu 2023, kumanga mlatho wapakhomo kudzagwiritsa ntchito matani opitilira 12 miliyoni a ma coil opangidwa ndi Q345B, zomwe zimapangitsa 45% ya zonse zomwe zimapangidwa ndi mtundu uwu.
Monga choyimira chitsulo champhamvu kwambiri, Q960 imapeza mphamvu yokwanira ≥960MPa kudzera muukadaulo wa microalloying (kuwonjezera vanadium, titaniyamu ndi zinthu zina) komanso njira zowongolera zoziziritsira. Mu makina aukadaulo, makulidwe a mkono wa crane wopangidwa ndi coil wotentha wa Q960 amatha kuchepetsedwa kufika pa 6mm, ndipo mphamvu yonyamula katundu imawonjezeka katatu, zomwe zimapangitsa kuti zida monga zokumba ndi ma crane zisinthe pang'ono.
Chizindikiro Chapadera: SPHC ndi SPH340
SPHC ndi chinthu chapamwamba kwambiri pakati pa zitsulo zotentha zotsika mpweya. Mwa kukonza njira yozungulira kuti ziwongolere kukula kwa tirigu, kutalika kwake kumafika pa 30%. Mu makampani opanga zida zapakhomo, ma coil otenthedwa a SPHC amagwiritsidwa ntchito popanga ma compressor osungira firiji. Kugwira ntchito kwake kozama kumatsimikizira kuti kuchuluka koyenerera kwa mapangidwe ovuta opindika pamwamba kumapitirira 98%. Mu 2024, kugwiritsa ntchito ma coil otenthedwa a SPHC m'munda wa zida zapakhomo kudzawonjezeka ndi 15% chaka ndi chaka kufika pa matani 3.2 miliyoni.
Monga chitsulo chopangidwa ndi magalimoto, SPH340 imapeza mgwirizano pakati pa mphamvu ndi kulimba mwa kuwonjezera 0.15%-0.25% ya kaboni ndi trace boron. Pakupanga mafelemu a batri yamagetsi atsopano, ma coil opangidwa ndi SPH340 otenthedwa amatha kupirira katundu wopitilira 500MPa ndikukwaniritsa zofunikira za njira zowotcherera. Mu 2023, gawo la ma coil otenthedwa ndi kutentha amtunduwu omwe amagwiritsidwa ntchito m'magalimoto atsopano amphamvu apakhomo lafika pa 70% ya zida zomangira batri.
| Chitsanzo | Mphamvu Yotulutsa (MPa) | Kutalika (%) | Zochitika Zachizolowezi Zogwiritsira Ntchito |
| Q235B | ≥235 | ≥26 | Nyumba zomangira, makina wamba |
| Q345B | ≥345 | ≥21 | Milatho, zombo zopanikizika |
| SPHC | ≥275 | ≥30 | Zipangizo zapakhomo, zida zamagalimoto |
| Q960 | ≥960 | ≥12 | Makina aukadaulo, zida zapamwamba kwambiri |
Ngati mukufuna kudziwa zambiri zokhudza chitsulo, chonde pitirizani kumvetsera kapena titumizireni uthenga.
GULU LA MFUMU
Adilesi
Malo oyendetsera chitukuko cha Kangsheng,
Chigawo cha Wuqing, mzinda wa Tianjin, China.
Maola
Lolemba-Lamlungu: Utumiki wa maola 24
Nthawi yotumizira: Epulo-02-2025