Zagaye Bar

Round bar (zagaye karfe mashaya)ni am cylindrical karfe samfurinkawota a madaidaiciya tsayi, wanda aka siffanta shi da shidiamita(misali, Ø12 mm) da yanayin isarwa (zafi{3}} birgima, daidaitacce, ko kashewa da fushi). Ba kamar bututu ko bututu ba, yana dababu buguwa-ana amfani da shi azaman ɗanyen haja donmachining, ƙirƙira, da ƙirƙiradon yin shafts, fil, bolts, couplings, da kuma kayan gini/kanikanci.

 

Octal Pipe yana ba da gami da ƙarfe na musammanzagaye sandunamanyan masana'antun ƙarfe na musamman na kasar Sin - ne suka kera, a cikin diamita daga5 mm har zuwa 360 mm, isar da shi cikin zafi{0}} birgima, daidaitacce, ko kashewa{1}}da{2}} yanayin zafi. An tsara waɗannan sanduna don abokan ciniki waɗanda ke yin injuna, ƙirƙira, da masana'anta a sassa kamar makamashi, hakar ma'adinai, teku, sufuri da injunan gabaɗaya.

Misali (MTC{0}}mai goyan baya):Takaddun shaida na niƙa da ke ƙasa (Ø27 mm × 6 m, 35.916 t jimla) yana kwatanta nau'in sinadari na ƙarfe na ƙarfe na ƙarfe na al'ada da matakin injin da ake amfani da shi don buƙatun sassa. sunadarai: kimanin 0.33-0.34% C, ƙananan P ( Kasa ko daidai da 0.017%) da ƙananan S ( Kasa da ko daidai da 0.004%), da micro{9}} abubuwan haɗaka V, Ti da B. Wannan haɗin ya gaya mana wannan shinebakarfen gini na asali, amma ababban -ƙarfi, lafiyayye{1}} hatsi, micro{2}}gawon mashayaAn yi nufin sassan da ke buƙatar ƙarfin duka biyu (≈950 MPa tensile) da tasiri mai ƙarfi a -20 digiri. Sanduna irin wannan suna da kyau a matsayin ɗanyen haja don kusoshi, shafts, fil, ɓangarorin tuƙi, hakowa da abubuwan hakar ma'adinai.

 

Ana iya ba da duk sanduna da sucikakken ganowa(lambar zafi, abun da ke tattare da sinadarai, gwajin tensile, gwajin tasiri, lankwasa/sakewa da taurin) bisa ga EN 10204 3.1/3.2.

 

 

 

 

Nau'in samfur	Girman girman
Zafi{0}}mai birgima	5-360 mm
Lebur mashaya	Nisa 50 - 810 mm, kauri 6 - 160 mm
Dandalin mashaya	150 mm, 200 mm, 250 mm, 280 mm

 

Don taƙaitaccen sayayya,zagaye bar 12mmgirman taron bita na gama-gari don ƙananan igiyoyi, fil, da maƙasai, yayin dazagaye bar R6yawanci ana amfani dashi akan jerin rukunin yanar gizo don ma'anaØ6 mm zagaye mashaya(wasu zane suna amfani da "R" azaman radius{0}} don haka tabbatar da ko R6 na nufin Ø6 ko radius 6).

 

Girman sanduna gama gari (mm) da ake amfani da su wajen kera & ƙirƙira rukunin yanar gizo:

 

Girman mashaya zagaye (mm)	Amfani na yau da kullun akan rukunin yanar gizo (aiki na gaske)
6 (R6) / 8 / 10	Ƙananan fil, na'urorin haɗi, madaidaicin haske, sassan jig
12 (zagaye mashaya 12mm) / 16 / 20	Gaba ɗaya shafts, hannayen riga, adaftan, sassan gyarawa
25 / 30 / 40	Couplings, abubuwan motsa jiki, cibiyoyi masu injina
50 / 60 / 80	Nauyin nauyi{0}}, kayan aikin hako ma'adinai, jabun guraben aiki
100+	Manyan kayan inji, kayan aikin jabu na al'ada

 

 

 

Daga MTC da kuka aiko (Heat No. 0242306413 / 0242306412, dia{2}} mm × 6 m), ana bayar da rahoton sinadarai kamar haka:

 

Abun ciki	Gwaji 1	Gwaji 2	Unit / magana
C	0.33	0.34	% (x100 → 33 / 34)
Si	0.28	0.26	%
Mn	0.68	0.57	%
P	0.015	0.017	% (ƙananan P, mai kyau tauri)
S	0.003	0.004	% (ƙananan S, tsafta mai kyau)
Cr	0.018	0.021	% (Micro Cr)
Ku	0.009	0.005	%
V	0.063	0.066	% (micro{0}}wallo don ƙarfafawa)
Ti	0.042	0.043	% (gyaran hatsi)
B	0.0030	0.0030	% (haɓaka ƙarfin ƙarfi)

 

Abin da wannan ya gaya mana

Carbon a kusa da 0.33-0.34% yana ba da kyakkyawan ma'auni na ƙarfi da taurin bayan QT.

P da S suna da ƙasa sosai ( ƙasa da ko daidai da 0.017% kuma ƙasa da ko daidai da 0.004%), wanda ke da alaƙa na musamman{2}} sandunan ƙarfe don sassa na inji.

V, Ti da B suna nan a fili - wannan ba ƙaramin ƙarfe ba ne na asali, amma madaidaicin ƙarafa ko HS (babba{2}}ƙarfi) wanda ke nufin manyan kaddarorin injina da ingantaccen ƙarfi.

Bayanan kula akan MTC yana nunaFarashin CEV:
CEV=C + Mn/6 + (Cr+V+Mo)/5 + (Cu+Ni)/15
wanda shine hanyar da aka saba don sarrafa walda da sanyi{0}haɗari. Wannan kyakkyawan bayani ne don ci gaba da kasancewa a shafin saboda yana ishara ga injiniyoyi da Google cewa wannan bayanan niƙa ne na gaske.

 

 

A rana {{0}zuwa{1}} siyayyar rana,zagaye mashaya vs sandayawanci awadata{0}} tsari da karɓuwabambanci maimakon bambancin ilmin sunadarai.Zagaye mashayayawanci yana nufin madaidaiciya -tsawo, ƙaƙƙarfan haja da aka kawo don ƙirƙira da ƙirƙira, indahaƙurin diamita, madaidaiciya, da yanayin samankai tsaye yana shafar lokacin sake zagayowar da ƙimar juzu'i. "Sanda" yawanci ana amfani da shi da sauƙi don ƙananan diamita kuma, dangane da masana'antu, na iya komawa zuwanada{0}}waya mai ciyarwa{1}}sungiyoyi(wanda aka yi niyya don zane, lanƙwasa, ko hanyoyin waya mai ɗaure) maimakon yanke - sandar tsayi.

Hanya mai amfani don raba su ita ce duba abin da ke da mahimmanci wajen karba:

 

• Idan kana bukatayanke -zuwa{1}}mai tsayi don juyewa, yawanci kuna siyazagaye mashaya- za ku damumadaidaiciya, decarb, lahani na saman, da daidaiton diamitadon haka bangaren injina tsafta.
• Idan mataki na gaba shinezane/samuwa(kayayyakin waya, maɓuɓɓugar ruwa, waya mai ɗaure, nada{0}} sarrafa ciyarwa), "sanda" galibi ana amfani da kalmar, kuma an mayar da hankali ganau'in nada, sarrafa sikelin saman, da kuma iyawa.

 

Yaren mai siye na yau da kullun (yana taimakawa guje wa shubuhar PO):

 

• Amfani"barka zagaye"lokacin da BOM ɗin ku ke tsammaniØ Girma + tsayi(misali, Ø20 × 6 m) kuma tsarin ku na ƙasa yana yin mashin / ƙirƙira.
• Amfani"sanda / waya sanda"lokacin da BOM ɗin ku ke tsammanina'ura/nauyi{0}} tushen wadatakuma tsarin da ke ƙasa shine zane ko kafa.

 

Tukwici na siye na zahiri:odazagaye mashayalokacin da kuke buƙatar kayan aikin injin da za a iya tsinkaya da tsayin daka; yi amfani da kalmomin "sanda" kawai lokacin da tsarin ku ya kasance naƙuda - ciyar da zane, lanƙwasa, ko ƙirar waya{1}} tushen kafa.

 

 

Don sanya shafin ya zama mai iko, yana taimakawa wajen nuna ainihin tsari. Hanyar da aka saba don waɗannan manyan sanduna masu ƙarfi{1} shine kamar haka:

a) Ƙarfe da tacewa na biyu
Ana narkar da ƙarfe a cikin BOF ko EAF, sannan a bi da su a cikin LF/VD don cire sulfur da phosphorus da daidaita abun ciki na gami daidai. Wannan shi ne inda ake ƙara ƙananan abubuwa kamar V, Ti da B. Ƙananan P da S a cikin MTC ɗinku (0.015-0.017% P, 0.003-0.004% S) sune ainihin sakamakon wannan matakin - suna inganta ƙarfi da walƙiya.

b) Simintin gyare-gyare da shirye-shiryen billet
Karfe mai ladabi ana jefa shi a cikin kwalabe masu dacewa don birgima. Tsaftace tsabar kudi tare da ƙananan abun ciki suna da mahimmanci don ƙaddamar da lanƙwasa/sakewa da gwaje-gwajen tasiri waɗanda suka bayyana akan takardar shaidarku.

c) Zafafan mirginawar sandar zagaye
Ana sake mai da billet ɗin kuma ana birgima akan masana'anta zuwa diamita na ƙarshe (misali, 27 mm). Ana sarrafa mirgina don samun ingantaccen ingancin ƙasa, madaidaiciya da juriya mai girma. An yanke sanduna zuwa tsayin kasuwanci, yawanci 6 m.

d) Maganin zafi (na al'ada ko quenching + tempering)
Don isa ga kayan aikin injin da aka nuna akan takaddun shaida - tensile 950-960 MPa, samar da kusan 905-915 MPa, ƙarfin tasiri a -20 digiri a kusa da 100-110 J - sanduna ba a bar su "kamar yadda ake birgima". An daidaita su ko, sau da yawa don wannan ƙarfin matakin,quenched and tempered (Q&T).

Quenchingyana ba da tsarin martensitic / bainitic mai wuya.

Haushia daidai zafin jiki yana mayar da ductility, yana tayar da tasiri, kuma yana daidaita ƙananan ƙwayoyin cuta.
Wannan mataki shine abin da ke sa ƙarfin ya girma amma har yanzu yana ci gaba da haɓakawa a kusan 13-14% da raguwar yanki sama da 50%.

e) Daidaitawa, yankewa da yin alama
Bayan maganin zafi an daidaita sanduna, yanke zuwa 6 m (ko wasu tsayin da aka ba da umarni), an haɗa su da alamar zafi.

f) Gwaji da takaddun shaida
Mai samarwa yana gudanar da nazarin sinadarai, gwajin tensile, gwajin tasiri a -20 digiri, gwajin lanƙwasa/sakewa, gwajin ƙirƙira da duba taurin - duk ginshiƙan da kuke gani akan MTC. Sai kawai a lokacin da dukansu sun "cancanta" ne aka saki sanduna. Wannan yana ba masu siye kwarin gwiwa cewa kowane kundi ya hadu da matakin da aka amince da na inji.

 

 

 

Yawancin matsalolin karfe zagaye ba sa bayyana akan takardar zance{0} da suke nunawaa kan lathe, bayan maganin zafi, ko lokacin haɗuwa. Don ayyukan da ke amfani da mashaya mai ƙarfi -ƙarfi / micro{2}, Octal Pipe yana mai da hankali kan ingantattun maki masu kyau waɗanda ke yanke shawarar ko mashaya ta zama tsayayyen yanki ko wani abu mai tsada na sake yin aiki:

 

Abin da yawanci ke faruwa ba daidai ba a kan shafin	Abin da za a ƙayyade (harshen siye)	Abin da Octal Pipe ke sarrafawa a niƙa
Ƙarshen lalacewa / tsagewar kayan aikin da ba a zata ba	Yanayin isarwa + buƙatun saman (zafi{1}} birgima / bawo / zana)	Hanyar shirye-shiryen saman (misali, peeling inda ake buƙata) + daidaitawa don rage bambancin injin
Girgizar ƙasa bayan aikin injin	Haƙurin diamita + buƙatun madaidaiciya	OD/ovality + duban madaidaiciya don ci gaba da jujjuya izinin tsinkaya
Fashewa yayin fara sanyi / abubuwan tasiri	Tasirin kuzari a ƙayyadaddun zafin jiki (misali, "CVN @ -20 digiri")	Gwajin tasiri da aka ɗaure da zafi / yawa; saki bisa ga shaidar gwaji, ba zato ba
Zafi{0}} yana magance rashin daidaituwa (ma yi tsanani / yayi laushi)	Yanayin maganin zafi (daidaitacce / Q&T) + taga taurin	Yanayin zafi{0}} horon magani + tabbatar da taurin kai akan takamaiman taga
An gano lahani a makara	Iyakar NDT idan mai mahimmanci (UT ta yarjejeniya)	Zaɓin UT don sassa masu mahimmanci + gyare-gyaren ganowa/sake maimaita rikodin gwaji idan an zartar

 

A aikace, wannan yana juya "girman mashaya zagaye + daraja" zuwa wanishigarwar samarwa mai aiki: mashaya ta zo tare da ƙayyadaddun yanayin, halayen injin da za a iya faɗi, da tushen sakin wanda ya dace da yadda ake karɓar sassa a zahiri. Octal Pipe na iya tallafawa da yawa{1}}asashen gano ganowa (lambar zafi → sakamakon gwaji) don haka karɓar dubawa da cancantar injin ɗin yana tafiya cikin sauri ba tare da ƙarin zagayowar samfur ba.

 

 

Domin wannan abu yana haɗuwababban ƙarfi (≈950MPa), m ductility (A ≈ 13-14%)kumaKyakkyawan ƙarancin ƙarfi - zafi mai tasiri (kimanin 100-110 J a -20 digiri), ana iya amfani da shi a cikin sassa daban-daban masu buƙata:

Haƙar ma'adinai, rami da ƙasa{0}}asashen tallafi
Dutsen dutse, sandunan anka, sandunan rawar soja da sauran sassa waɗanda dole ne suyi aiki cikin sanyi ko tasiri{0}} yanayin da aka ɗora. Babban yawan amfanin ƙasa (≈910 MPa) da ƙimar tasiri mai kyau suna sa mashaya lafiya ƙarƙashin nauyin girgiza.

Oil & gas da kayan aikin waje
Haɗin sassa, flanges, cibiyoyi, shafts da brackets inda ƙananan zafin jiki - ya zama tilas (-20 digiri ko ƙasa). Ƙananan matakan P/S da rubuce-rubucen gwaje-gwaje suna sa sauƙin karɓa a cikin ayyukan teku da na ruwa.

Makanikai da ƙarfi{0}} sassan kayan aiki
Shafts, axles, fil, gears (bayan ƙarin machining ko taurin ƙasa), firam ɗin inji da abubuwan watsawa waɗanda ke buƙatar ƙarfin ƙarfi fiye da ƙarfe na carbon na yau da kullun.

Jirgin ƙasa da nauyi{0} abubuwan abubuwan hawa
Inda ake buƙatar daidaiton sunadarai, ganowa da walƙiya (CEV mai sarrafawa).

Ƙirƙirar jari da mashaya
Saboda sinadari mai tsafta ne kuma tsarin yana da kyau, sandar tana da kyakkyawan tushe don rufaffiyar ƙirƙira ko sassa na injina. Abokan ciniki za su iya ƙirƙira siffa kuma har yanzu suna kiyaye matakin injin bayan sun sake yin fushi.

Ayyuka a cikin yankunan sanyi
Ingantacciyar ƙarfin tasiri a -20 digiri akan MTC yana nuna waɗannan sanduna za a iya amfani da su a arewa/ƙananan yanayin zafi ba tare da gazawa ba.

 

Bakin Karfe Round Bar

Don ɓarna{0} abubuwan da aka fallasa, ayyukan na iya ƙididdige subakin karfe zagaye mashayamaimakon carbon/alloyzagaye mashaya karfe-yawanci lokacin da sinadarai na wanke-wanke, zafi na bakin teku, ko chloride{1}masu ɗaukar hoto suna sa kariyar tushen ba ta dogara ba. Octal Pipe na iya faɗi abubuwan mashaya mara ƙarfi tare da fakitin mashaya gami don masu siye su iya kiyaye saitin takarda ɗaya da tsarin jigilar kaya ɗaya. Zaɓuɓɓuka gama gari sun haɗa da 304/304L don juriyar lalata gabaɗaya da 316/316L inda ake buƙatar gefen rami na chloride.

 

Tuntuɓi yanzu

 

 

Abu	Bayani
Diamita	5 - 360 mm (zafi - birgima); ƙirƙira ko kwasfa masu girma dabam akan buƙata
Tsawon	6 m hankula, 3-12 m za a iya shirya
Yanayin bayarwa	Kamar yadda aka yi birgima, na al'ada, Q&T
Matsayin da za mu iya daidaitawa	GB/T, ASTM/AISI, EN, ginin jirgi ko zanen abokin ciniki
Takardu	Takaddun gwaji na Mill (sunadarai + injiniyoyi + tasiri), lissafin tattarawa, asali
Dubawa	Za a iya shirya ƙungiya - ƙungiya (SGS / BV) kafin jigilar kaya

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