high quality ss304 ss316 cikakken zaren sanda / zaren mashaya / ingarma aron kusa maroki

Kara karantawa:Katalogi zaren sanduna

FIXDEX Factory2 ss304 ss316 cikakken sandar zaren zaren / mashaya zaren / ingarma

FIXDEX Factory2 ss304 ss316 cikakken sandar zaren zaren / mashaya mai zaren / ingarma bolt bita

Yadda za a gane ingancin bakin karfe threaded sanda / Threaded mashaya / ingarma aron kusa?

1. Ganewar Magnetic

Kun ce bakin karfe magnet ne, dama! Hakanan gaskiya ne cewa ba maganadisu bane! A gaskiya ma, sun bambanta da gaske. Dukanmu mun san cewa bakin karfe ya kasu kashi austenitic bakin karfe da ferritic bakin karfe. Austenitic bakin karfe ba maganadisu bane, yayin da bakin karfen ferritic shine karfen maganadisu mai karfi. Ta hanyar jerin gwaje-gwajen, an tabbatar da cewa bakin karfe na austenitic zai sami magnetism na dabara a ƙarƙashin wasu yanayi na musamman, amma ba shi da Magnetic a cikin yanayi na al'ada.

2. Yi gwajin maki na nitric acid

A lokuta da yawa, yana da wahala a iya bambanta jerin 200, jerin 300, jerin 400 da sauran nau'ikan bakin karfe tare da ido tsirara. Gwajin makiyin nitric acid shine mafi kyawun hanyar gwaji don gwada juriya na lalata. Yawancin lokaci, jerin 400 ɗin za su ɗan lalace kaɗan yayin gwajin, yayin da jerin bakin karfe 200 tare da mafi ƙarancin juriya na lalata zasu sami alamun lalata.

3. Gwajin taurin

Idan bakin karfe austenitic zai nuna magnetism lokacin da sanyi ke birgima a ƙarƙashin matsin yanayi, to gwajin maganadisu na farko da aka ambata ba shi da inganci; don haka muna buƙatar dumama bakin karfe zuwa kusan 1000-1100 ℃ sannan kuma ruwa ya kashe shi don kawar da maganadisu na bakin karfe austenitic da gwada taurin. Taurin bakin karfe austenitic yawanci yana ƙasa da RB85

Bugu da kari

Taurin 430, 430F da 466 karfe bai kai Rc 24 ba.

Taurin 410, 414, 416 da 431 shine Rc36 ~ 43

A taurin high carbon 420, 420F, 440A, B, C da F karfe ne Rc50 ~ 60

Idan taurin shine Rc50 ~ 55, yana iya zama karfe 420

Taurin 440A da samfuran B shine Rc55 ~ 60

Darajar Rc na 60 ko sama shine karfe 440C.

4. Ta hanyar binciken injin

Idan bakin karfen da ake gwadawa yana da sifar shaft, ana ba da shawarar a kai shi zuwa lathe na gama gari ko lathe CNC don binciken injin, amma har yanzu akwai iyakoki. Wannan hanya ta dace da ƙarfe mai sauƙin yankewa da daidaitaccen bakin karfe, kamar 303, 416, 420F, 430F, 440F. Ana gano nau'in karfe ta hanyar sifar juzu'i. Irin wannan nau'in karfe mai sauƙin yankewa zai fitar da wari mara kyau lokacin da aka juya cikin yanayin bushewa.

5. Gano sinadarin phosphoric

Wannan hanyar ganowa ce da muke yawan amfani da ita a rayuwar yau da kullun. Ana amfani da wannan hanyar don bambance bakin karfe na chromium-nickel. Ƙara phosphoric acid mai mahimmanci zuwa 0.5% sodium fluoride bayani kuma zafi shi zuwa 60-66 ℃.

6. Ganewa ta hanyar jan karfe sulfate batu

Wannan hanya za a iya gano talakawa carbon karfe da bakin karfe. Matsakaicin maganin sulfate na jan karfe dole ne ya kasance tsakanin 5% zuwa 10%. Lokacin da aka jefa kan karfen da za a gwada, wani nau'in tagulla na ƙarfe zai kasance a saman ƙaramin ƙarfe na carbon a cikin 'yan daƙiƙa kaɗan, yayin da saman bakin karfen zai kasance baya canzawa.

7. Sulfuric acid gano bayani

Wannan hanya na iya bambanta 302, 304, 316, da 317 bakin karfe. Shirya sulfuric acid tare da maida hankali na 20% zuwa 30% da zafin jiki na kimanin 70 ° C, kuma sanya karfe don gwadawa a cikin bayani. 302 da 304 bakin karfe za su samar da adadi mai yawa na kumfa lokacin da suka hadu da maganin kuma za su zama baki a cikin 'yan mintoci kaɗan;

Akasin haka, bakin karfe 316 da 317 ba za su nuna babban dauki a cikin maganin ba, kuma a zahiri ba za su juya baƙar fata cikin mintuna 10 zuwa 15 ba.

8. Gano wuri mai sanyi

Irin wannan nau'in bakin karfe za'a iya bambanta ta hanyar diga wani bayani na 20% sulfuric acid a saman samfurin da aka kasa, goge, tsaftacewa ko gogewa.

Zuba ɗigon ruwan acid a saman kowane samfurin. A karkashin aikin maganin acid, 302 da 304 bakin karfe suna da ƙarfi sosai kuma sun zama baki, suna nuna launin ruwan kasa-baki ko baki, sa'an nan kuma an kafa lu'ulu'u masu launin kore a cikin bayani;

316 bakin karfe yana lalata sannu a hankali kuma a hankali ya juya launin ruwan kasa-rawaya, sannan ya juya launin ruwan kasa-baki, sannan ya samar da wasu lu'ulu'u masu haske koren haske a cikin maganin; Halin da ke sama na bakin karfe 317 yana ci gaba a hankali.

9. Lura ta hanyar tartsatsi

Ana amfani da gwajin walƙiya don bambance ƙarfe na carbon, ƙirar gami da ƙarfe na kayan aiki, amma ba shi da ɗan amfani wajen bambanta bakin karfe. Wannan hanyar gwajin walƙiya na iya taimaka wa ƙwararrun masu aiki don rarraba bakin karfe zuwa manyan sassa huɗu, amma ba shi da sauƙi a bambanta tsakanin matakan ƙarfe daban-daban.

Halayen tartsatsin yanayi na waɗannan nau'ikan injunan bakin karfe huɗu sune kamar haka:

Class A: 302, 303, 316 karfe, samar da gajeren tartsatsin ja tare da cokali mai yatsa da yawa.

Class B: 308, 309, 310 da 446 karfe, yana samar da gajerun gajerun tartsatsin ja masu duhu tare da cokali mai yatsa da yawa.

Class C: 410, 414, 416, 430 da 431 karfe, samar da dogon farar tartsatsi tare da cokali mai yatsa da yawa.

Class D: 420, 420F da 440A, B, C, F, suna samar da tartsatsi masu launin shuɗi tare da fitilun fitilun fili ko dogon tartsatsin fari.

10. Ta hanyar gano hydrochloric acid

Wannan hanyar ganowa na iya bambanta 403, 410, 416, 420 bakin karfe tare da ƙananan abun ciki na chromium daga 430, 431, 440, 446 bakin karfe tare da babban abun ciki na chromium.

Narke daidai adadin yankan samfurin a cikin maganin hydrochloric acid tare da ƙarar ƙarar 50% na kusan mintuna uku, kuma kwatanta tsananin launi na maganin. Karfe tare da babban abun ciki na chromium yana da launin kore mai duhu.