Amakuru ya tekiniki
|
Ibigize imiti (%) |
|
C. |
Mn |
Si |
Cr |
Mo. |
Ni |
Nb + Ta |
S. |
P. |
15CrMo |
0.12~0.18 |
0.40~0.70 |
0.17~0.37 |
0.80~1.10 |
0.40~0.55 |
≤0.30 |
_ |
≤0.035 |
≤0.035 |
Ibikoresho bya mashini
|
Gutanga imbaraga σs / MPa (> =) |
Imbaraga zingana σb / MPa (> =) |
Kurambura δ5 /% (> =) |
15CrMo |
440~640 |
235 |
21 |
Ibikoresho by'ibyuma bihwanye na SCM415
Amerika |
Ubudage |
Ubushinwa |
Ubuyapani |
Ubufaransa |
Ubwongereza |
Ubutaliyani |
Polonye |
Ceki |
Otirishiya |
Suwede |
Espanye |
SAE / AISI / UNS |
DIN, WNr |
GB |
JIS |
AFNOR |
BS |
UNI |
PN |
CSN |
ONORM |
SS |
UNE |
|
15CrMO | 1.7262 |
15CrMo |
SCM415 |
15CD4.05 |
1501-620 | Cr31 |
X30WCRV93KU |
|
|
|
|
|
Kuvura ubushyuhe nigipimo cyiza cyane cyo kunoza no guhindura imiterere ya 15CrMo alloy round ibyuma. Ifite uruhare runini mubicuruzwa byizewe nubukungu. Gutunganya ubushyuhe bwa 15CrMo alloy round ibyuma mubisanzwe birimo kuvura ubushyuhe busanzwe (annealing, normalisme, kuzimya, ubushyuhe) hamwe no kuvura ubushyuhe bwo hejuru (kuzimya hejuru hamwe no kuvura ubushyuhe bwa chimique - carburizing, nitriding, metalizing, nibindi).
Mu buhanga bwubukanishi, ibice byinshi byimashini, nka crankshafts, gear, camshafts ya moteri yaka imbere, hamwe na gare mubigabanya byingenzi, ntibisaba gusa ubukana buhagije, plastike hamwe nimbaraga zigoramye muri rusange, ariko kandi bisaba ubunini bwubuso buri hejuru mububyimba runaka. . Gukomera, kwihanganira kwambara cyane hamwe numunaniro mwinshi. Uburyo butandukanye bwavuzwe haruguru bwo kuvura ubushyuhe buragoye kubahiriza ibisabwa byavuzwe haruguru icyarimwe, kandi gukoresha uburyo bwo kuvura ubushyuhe bwo hejuru nuburyo bwiza cyane bwo kugera kubyo bisabwa icyarimwe.
Ubushyuhe bwo hejuru bwubutaka nuburyo bwo kuvura ubushyuhe buhindura imiterere yubuso bwa 15CrMo alloy round ibyuma uhindura imiterere yubutaka.
Kuzimya hejuru ni uburyo bwo kuvura ubushyuhe buhindura imiterere yubuso umwe umwe udahinduye imiterere yimiterere yubuso. Irashobora kugerwaho numuyoboro mwinshi, inshuro ziciriritse cyangwa ingufu zumuriro wa induction uburyo bwo gushyushya cyangwa uburyo bwo gushyushya umuriro. Ikintu gisanzwe ni uko ubuso bwa 15CrMo alloy buzengurutse ibyuma bishyuha vuba ubushyuhe bwo kuzimya, kandi iyo ubushyuhe butimuriwe mu gice cyigice, burakonja vuba, kuburyo ubukana bwubuso buri hejuru, ariko intangiriro iracyafite ubukana buhanitse.
Ubuvuzi bwa chimique nuburyo bwo kuvura ubushyuhe buhindura imiterere yimiterere nimiterere yubuso bwa 15CrMo alloy round ibyuma. Kuvura ubushyuhe bwa chimique birashobora kugabanywa muburyo nka carburizing, nitriding, carboneitriding, hamwe nicyuma ukurikije ibintu bitandukanye byacengeye hejuru ya 15CrMo alloy ibyuma. Nibyiza cyane mugutezimbere no kunoza imyambarire, kurwanya ruswa no kurwanya umunaniro wa 15CrMo alloy round round. Kugeza ubu, imiti ivura ubushyuhe yateye imbere byihuse, kandi hariho uburyo bwinshi bwikoranabuhanga rishya.