EN-GJS 400-15 / 500-7 Ductile Birta | Birta Garaafiga ee Spheroidal
Hordhac Badeecada
EN-GJS 400-15 / 500-7 Ductile Iron Baararka waa badeecooyin bir ah oo tayo sare leh oo lagu sameeyay heerarka Yurub, si gaar ah loogu talagalay codsiyada u baahan xoog sare, dabacsanaan wanaagsan, iyo mashiin sare. Baararkan waxaa lagu soo saaraa qaab-dhismeedka spheroidal graphite microstructure, kaas oo bixiya sifooyin la taaban karo oo jiidis ah iyo iska caabin saameyn ah, taasoo ka dhigaysa xulasho badan oo loogu talagalay codsiyada dhismaha iyo farsamada.
Taxanaha EN-GJS waxaa si gaar ah looga qadariyaa Yurub iyagoo bixinaya isku-darka xoog iyo dheereyn kala duwan. EN-GJS 400-15 waxaa lagu gartaa dabacsanaan iyo adkeysi aad u fiican, halka EN-GJS 500-7 ay bixiso xoog sare iyadoo la ilaalinayo dabacsanaan ku filan. Ulahan birta ah ee ductile-ka ah waxay ku habboon yihiin qaybaha soo noqnoqda ee soo mara walwalka, gariirka, ama saameynta dhexdhexaadka ah. Mashiinadoodu waxay ka dhigaysaa kuwo ku habboon labadaba hawlgallada xoqidda iyo dhammaystirka saxda ah.
- baararka birta ee ductile waxaa loo soo saaraa si waafaqsan heerarka caalamiga ah. Darajooyinka birta ee caadiga ah ee loo isticmaalo baararka birta ee ductile waxaa lagu muujiyaa siyaabo kala duwan iyadoo loo eegayo waddamada iyo heerarka kala duwan.
Kuwa soo socda waa heerarka birta ductile ee badanaa loo isticmaalo (darajooyinka) ee dhowr nidaam oo caadi ah:
| ASTM A536 | 1563kii | ISO 1083 | JIS G5502 |
| 60-40-18 | EN-GJS-400-15 | GGG40 | FCD400 |
| 65-45-12 | EN-GJS-450-10 | - | FCD450 |
| 80-55-06 | EN-GJS-500-7 | GGG50 | FCD500 |
| 100-70-03 | EN-GJS-600-3 | GGG60 | FCD600 |
Sharaxaadda Badeecada
Birta Ductile waa walax hagaajisa sifooyinkeeda farsamada iyadoo lagu darayo walxo spheroidizing ah sida magnesium ama cerium si loogu shubo birta si loo sameeyo graphite qaab-dhismeed wareegsan. Marka la eego halabuurka kiimikada, qaybaha ugu muhiimsan ee birta ductile waa bir, kaarboon, silikoon, iyo sidoo kale manganese, fosfooraska, sulfur iyo walxo kale. Ku darista wakiilada spheroidizing sida magnesium ama cerium waa furaha, taas oo kor u qaadaysa sameynta qaab-dhismeed wareegsan oo ku jira graphite.
Xuduudaha alaabta
| Magaca Badeecada | Baarka Birta Ductile/Baarka Wareega ee Birta Ductile |
| Heerka Caadiga ah | ASTM A536 EN 1563 ISO 1083 JIS G5502 |
| Dhexroorka Dibadda (OD) | 20 mm - 600 mm (la habeyn karo) |
| Dhererka | 1 m - 6 m (la habeyn karo) |
| Xoogga Tijaabada | 400 – 800 MPa |
| Xoogga Wax Soo Saarka | 250 – 500 MPa |
| Adkaanta | 130 – 280 HB |
| Daaweynta Kulaylka | la nadiifiyey, caadi ah, ama la damiyey oo la hagaajiyey |
| Xaaladda Dusha Sare | Sida loo shubay / la farsameeyay / la diiray |
| Kordhinta | 2% – 18% |
| Xaaladda keenista | Baar wareegsan/baar laba jibbaaran/baar fidsan ama loo jaray baahida |
Codsiyada Badeecada
Baararka birta ee EN-GJS waxaa loo isticmaalaa warshado kala duwan, oo ay ku jiraan:
>Qaybaha farsamada sida geerka, boolal, iyo usha
>Qaybaha dhismaha ee mishiinnada warshadaha
>Maydadka waalka iyo manifolds-ka haydarooliga
>Qalabka baabuurta iyo guryaha kala duwan
>Qalabka kor u qaadista iyo rakibidda
>qaybaha mishiinada beeraha
Bandhigga Alaabta
Sawirrada kormeerka iyo baakadaha
| Ereyo muhiim ah
EN-GJS bir ductile ah, birta SG ee saxda ah ee la farsameeyay, EN-GJS 400-15 bir wareegsan, EN-GJS 500-7 bir bir ah oo la shubay, birta graphite ee nodular, birta ductile ee caadiga ah ee Yurub