Cold rolled SPCC ndi mtundu wodziwika bwino pamalonda azitsulo, ndipo nthawi zambiri amatchedwa 'mbale yopiringidwa yozizira', 'ntchito wamba', ndi zina zambiri.Komabe, abwenzi sangadziwe kuti palinso '1/2 hard', 'annealed only', 'pitted or smooth', etc. mu SPCC standard.Sindikumvetsa mafunso monga "Kodi pali kusiyana kotani pakati pa SPCC SD ndi SPCCT?"
Timanenabe kuti mu malonda achitsulo, "ngati mutagula chinthu cholakwika, mudzataya ndalama."Mkonzi adzasanthula mwatsatanetsatane kwa inu lero.
SPCC Brand Traceability
SPCC idachokera ku JIS, chomwe ndi chidule cha Japanese Industrial Standards.
SPCC ikuphatikizidwa mu JIS G 3141. Dzina la nambala iyi ndi "Cold adagulung'undisa Steel Platendi Steel Strip", yomwe ili ndi magiredi asanu: SPCC, SPCD, SPCE, SPCF, SPCG, etc., omwe ali oyenera pazofunikira zosiyanasiyana.
Mitundu yosiyanasiyana ya kutentha kwa SPCC
Nthawi zambiri timanena kuti chizindikiro sichingakhalepo chokha.Kufotokozera kwathunthu ndi nambala yokhazikika + chizindikiro + chokhazikika.Zachidziwikire, mfundo iyi ndiyofalanso ku SPCC.Ma suffixes osiyanasiyana mu mulingo wa JIS amayimira zinthu zosiyanasiyana, chofunikira kwambiri chomwe ndi code yotsitsa.
Digiri ya kutentha:
A - Annealing kokha
S——Digiri yoyezera kutentha
8——1/8 zovuta
4——1/4 zovuta
2——1/2 zovuta
1--zovuta
Kodi [annealing only] ndi chiyani [madigiri a empering] kumatanthauza?
Digiri yotentha yokhazikika nthawi zambiri imatanthawuza kuwongolera + kusalaza.Nanga bwanji ngati silathyathyathya, ndiye kuti ndi [annealed kokha].
Komabe, popeza njira yopangira zitsulo zazitsulo tsopano ili ndi makina osalala, ndipo ngati ili yosagwirizana, mawonekedwe a mbale sangatsimikizidwe, kotero kuti zinthu zosagwirizana sizikuwoneka kawirikawiri, ndiko kuti, zinthu monga SPCC A ndizosowa.
Chifukwa chiyani palibe zofunikira pakulolera, kukana kulimba, ndi kukulitsa?
Chifukwa palibe chofunikira mu JIS muyezo wa SPCC.Ngati mukufuna kutsimikizira mtengo woyeserera, muyenera kuwonjezera T pambuyo pa SPCC kuti mukhale SPCCT.
Kodi zida zolimba za 8, 4, 2,1 ndi ziti?
Ngati njira ya annealing isinthidwa mosiyana, zinthu zokhala ndi kuuma kosiyana zidzapezedwa, monga 1/8 hard kapena 1/4 hard, etc.
Zindikirani: Zindikirani kuti "cholimba" choimiridwa ndi suffix 1 sizomwe timatcha nthawi zambiri "koyilo yokulungidwa yolimba".Imafunikabe kutenthetsa pang'ono.
Kodi zofunikira zogwirira ntchito pazinthu zolimba ndi zotani?
Chilichonse chili mkati mwa miyezo.
Kwa mankhwala omwe ali ndi kuuma kosiyana, mtengo wokhawokha umatsimikiziridwa, ndi zinthu zina monga zokolola, mphamvu zamakokedwe, elongation, etc., ndipo ngakhale zosakaniza sizikutsimikiziridwa.
Malangizo
1. Pazamalonda, nthawi zambiri timawona kuti mitundu ina ya SPCC ilibe suffix S pa zikalata zovomerezeka zamakampani aku China.Izi nthawi zambiri zimayimira digiri yotentha mwachisawawa.Chifukwa cha machitidwe aku China ogwiritsira ntchito ndi kasinthidwe ka zida, annealing + smoothing ndi njira wamba ndipo sidzafotokozedwa mwachindunji.
2. Chikhalidwe chapamwamba ndi chizindikiro chofunikira kwambiri.Pali zinthu ziwiri pamwamba pa muyezo uwu.
Khodi yapamwamba
D - - Zakudyazi za pockmarked
B——wonyezimira
Malo osalala komanso opindika amapezeka makamaka kudzera mwa zodzigudubuza (zoyala zosalala).Ukalu wa mpukutuwo umakopera ku mbale yachitsulo panthawi yogubuduza.Chodzigudubuza chokhala ndi malo okhwima chidzatulutsa malo okhala ndi dzenje, ndipo chogudubuza chokhala ndi malo osalala chidzatulutsa pamwamba.Malo osalala komanso owoneka bwino amakhala ndi zotsatira zosiyana pakukonza, ndipo kusankha kosayenera kungayambitse mavuto.
3. Pomaliza, timatanthauzira zochitika zina zazambiri zomwe zili mu zikalata zotsimikizira, monga:
JIS G 3141 2015 SPCC 2 B: 1/2 yolimba yonyezimira SPCC yomwe imakwaniritsa zofunikira za mtundu wa 2015 wa miyezo ya JIS.Izi zimangotsimikizira kuuma, ndipo sizikutsimikiziranso zigawo zina, zokolola, mphamvu zamakokedwe, elongation ndi zizindikiro zina.
Nthawi yotumiza: Dec-19-2023