Igipimo ngenderwaho cyo kugenzura icyuma gikozwe mu cyuma ...
I.Gukata no Gutora Ingero:
Imashini ikata metallografiya ikoreshwa mu gukata icyitegererezo. Gukonjesha amazi bikoreshwa mu gihe cyose cyo gukata kugira ngo hirindwe impinduka mu miterere y'icyitegererezo cya metallografiya bitewe n'uburyo butari bwo bwo gupima. By'umwihariko, imashini zitandukanye zikata metallografiya zishobora gutoranywa kugira ngo zitemwe kandi zifatwe icyitegererezo hashingiwe ku bunini bw'icyitegererezo n'uburyo busabwa bwo kwikora.
II.Icyitegererezo cyo gusya no gusiga:
Nyuma yo gukata, icyitegererezo (ku bikoresho bidasanzwe, imashini yo gushyiramo nayo irakenewe kugira ngo ikore icyitegererezo) gisya ku mashini isya n'isukura ikoresheje impapuro z'umucanga zifite ingano zitandukanye kuva ku zikonje kugeza ku ntoya. Ubwoko butatu cyangwa bune bw'impapuro z'umucanga bushobora gutoranywa kugira ngo zisya hakurikijwe ibikoresho bitandukanye, kandi umuvuduko wo kuzenguruka kw'imashini isya n'isukura nawo ugomba guhitamo hashingiwe ku bicuruzwa.
Icyitegererezo nyuma yo gusya impapuro zo mu musarani gisukurwa hakoreshejwe umwenda wo gusiga ukoresheje diyama. Umuvuduko wo kuzenguruka kw'imashini isya n'isukura ushobora guhindurwa hakurikijwe igikoresho cy'akazi.
III.Isuzuma rya Metallographic:
Dukurikije ibisabwa na GB/T 9441-2021 Metallographic Testing Standard kuri Ductile Iron, mikorosikopi ya metallographic ifite ubushobozi bwo gukura neza iratoranywa kugira ngo ifate amafoto y’imiterere ya metallographic mbere na nyuma yo kwangirika.
IV.Isuzuma ry'ubukomere bwa Ductile Iron:
Gupima ubukomere bw'icyuma gikozwe mu cyuma ...
- Amabwiriza akurikizwa
Ubunini bw'icyitegererezo: ≥ 10mm (umurambararo w'icyitegererezo d ≤ 1/5 cy'ubunini bw'icyitegererezo)
Imiterere y'ubuso: Ubukana bw'ubuso Ra nyuma yo gutunganya ni ≤ 0.8μm (nta gipimo, imyobo y'umucanga, cyangwa imyobo ifukura)
- Ibikoresho n'Ibipimo
| Ikintu cy'ibipimo | Ibisabwa bisanzwe (kuri Ductile Iron by'umwihariko) | Ishingiro |
| Ingano y'umurambararo (D) | 10mm (byaba byiza) cyangwa 5mm (ku ngero nto) | Koresha 10mm iyo HBW ≤ 350; koresha 5mm iyo HBW > 350 |
| Shyiraho Ingufu (F) | Ku gice cya 10mm: 3000kgf (29420N); Ku gice cya 5mm: 750kgf (7355N) | F = 30×D² (Uburinganire bwa Brinell, butuma icyiciro cy'inyuma gihura n'ingano ya grafiti) |
| Igihe cyo gutura | Amasegonda 10-15 (amasegonda 15 kuri matrix ya ferritic, amasegonda 10 kuri matrix ya pearlitic) | Kurinda ko imiterere ya grafiti itagira ingaruka ku gupima indentation |
Igihe cyo kohereza: Ugushyingo-26-2025
