Kuyesa Koyerekeza kwa Mapaipi a Ductile Iron ndi Mapaipi a SML Malinga ndi EN10002-1

Kuyesa kwachitsulo cholimba ndi njira yofunika kwambiri yowunikira momwe zinthu zilili ndipo ndikofunikira kwambiri. Poyesa magawo monga mphamvu ya cholimba, mphamvu ya chogwirira, ndi kutalika kwake, kumayesa mphamvu ya chogwiriracho yonyamula katundu komanso mawonekedwe a pulasitiki. Kumapereka maziko achitetezo pakupanga kwaukadaulo ndikutsimikizira kudalirika kwa kapangidwe kake. Kumagwiranso ntchito ngati chida chofunikira kwambiri chowongolera khalidwe, kutsimikizira kukhazikika kwa njira zopangira ndikuwonetsetsa kuti zikutsatira miyezo yapadziko lonse lapansi. Kuphatikiza apo, imatha kulosera chiopsezo cha kulephera kwa zinthu pansi pa katundu wovuta ndikupereka chithandizo chofunikira kwambiri pakupanga zinthu zatsopano.

Apa ndi kufananiza njira zoyesera zolimba zamapaipi achitsulo opangidwa ndi ductilendiMapaipi a SML, zonsezi zimathandiza kuonetsetsa kuti zinthu zili bwino komanso kuti zigwiritsidwe ntchito kwa nthawi yayitali m'malo osiyanasiyana enieni.

1. Zitsanzo Zosiyanasiyana
Kukhuthala ndi kukula kwa ndodo yoyesera ya zitsanzo zachitsulo chosungunuka ndi motere:

Chidziwitso: Chipilala choyesera chapangidwa kuchokera ku chitsanzo chopangidwa ndi makina, chomwe chikuyimira chitsulo chomwe chili pakati pa makulidwe a chitsanzocho. Chili ndi gawo lozungulira. M'mimba mwake mwa silinda wawonetsedwa patebulo pamwambapa. Kutalika kwa chipilala choyesera ndi kochepera 5 kuposa kukula kwake. Mapeto a chipilala choyesera ayenera kukhala oyenera kuyikidwa mu makina oyesera. Kukhwima kwa pamwamba pa gawo lozungulira la chipilala choyesera ndi Rz ≤ 6.3.

Chitoliro cha SML chimapangidwa ndi chitsulo chotuwa ndipo chitsanzo chake chiyenera kufanana ndi chithunzi ichi:

Chidziwitso: Kuti mupeze zotsatira za mayeso zomwe zikuyimira bwino momwe zingathere mankhwala omalizidwa, chitsanzo choyeseracho chiyenera kutengedwa kuchokera ku chitoliro cha SML kapena cholumikizira cha SML ndikudula molingana ndi mzere wa chubu kapena cholumikizira. Malo oyambira opingasa a chitsanzocho ayenera kuyezedwa. M'lifupi ndi makulidwe a gawo lopingasa ayenera kuyezedwa molondola kufika pa 0.1mm musanayese.

2. Kusiyana kwa njira yoyesera

Ngakhale kuti mayeso onse awiri omangirira amachitidwa pogwiritsa ntchito makina oyesera omangirira onse, zida zomwe zimagwiritsidwa ntchito ndizosiyana.Choyesera cholimba cha ductile iron chikuwonetsedwa pansipa:

Chitoliro cha SML ndi choyesera cholumikizira cholumikizira chawonetsedwa pansipa:

3. Kusiyana pakati pa Zotsatira za Mayeso ndi Katundu wa Zinthu
Njira yosungunulira ndi kupanga chitsulo chosungunuka ndi zotsatira za zaka zambiri zaukadaulo komanso ntchito yolimba. Kampani yathu imapanga mapaipi apamwamba achitsulo chosungunuka, okhala ndi chiŵerengero cha spheroidization cha 90% kapena kupitirira apo. Kuyesa kwa tensile kumawonetsa mphamvu zomangirira pakati pa 460MPa ndi 490MPa, ndi kutalika pakati pa 10% ndi 17%. Malinga ndi miyezo ya EN545 ndi ISO2531, mphamvu yomangirira ya 420MPa kapena kupitirira apo ndi kutalika kwa 5% mpaka 10% kapena kupitirira apo zimaonedwa kuti ndizovomerezeka. Mphamvu yomangira ndi kutalika kwa tensile ndi izi:

Mapaipi a SML ndi zolumikizira zake zimapangidwa makamaka ndi chitsulo choyera. Kapangidwe ka graphite mkati mwa chitsulo choyera kamatenga kugwedezeka kwa madzi, zomwe zimapangitsa kuti phokoso la madzi lizichepa ndi 10dB kuposa mapaipi a PVC. Amaperekanso kukana kutentha kwambiri, kopitilira 1,000°C. Mphete zotsekera za rabara zimakhalabe zogwira ntchito ngakhale pa 70°C mosalekeza kapena 120°C nthawi zina kutuluka, ndipo kusintha kwa kutentha ndi gawo limodzi mwa magawo asanu ndi awiri okha kuposa mapaipi a PVC. Amaperekanso mphamvu yabwino kwambiri yogwira, kukana kugwedezeka, komanso kukana kukwawa, osachepera kasanu kuposa mapaipi a PVC.

Malinga ndi muyezo wa EN877, mphamvu zamakina za mapaipi a SML ndi zolumikizira ndi izi:

Mapaipi ndi zolumikizira za SML, mapaipi a PVC, EN877 SML payipi ndi zolumikizira zoyeserera, zolumikizira za SML, EN545 ISO2531 ductile iron payipi ndi mapaipi a SML, zitsanzo za ductile iron, chitoliro cha SML, chitoliro cha imvi chopangidwa ndi chitsulo,