Vermicular cast iron yevharuvhu zvinhu

Vermicular cast iron yevharuvhu zvinhu

Ichi chikero chinotsanangura mazwi uye tsananguro, mamakisi, tekinoroji zvinodiwa, sampling uye mabhuroko ekuyedza, nzira dzekuyedza, mitemo yekuchengetedza, chiziviso chekukanda, kurongedza, kuchengetedza uye zvekufambisa zvinodiwa. Iyo nzira yekugadzira uye kuumbwa kwemakemikari evermicular cast iron inofanirwa kutariswa nemupi kuti ave nechokwadi chekuti inodiwa giredhi uye basa rinoenderana nechiyero ichi. Kana vermicular cast iron ine yakakosha mashandisirwo uye zvinodiwa, iyo makemikari kuumbwa uye kupisa kurapwa kunogona kubvumirana nemapato ese. Vermicular cast iron inofanirwa kucherechedzwa kuti ine 80% vermicular graphite pane yayo-maviri-dimensional akakwenenzverwa ndege, uye yasara 20% inofanira kunge yakaita spherical graphite, clumped graphite, uye flake graphite haifanirwe kubvumidzwa.

range

Ichi chikero chinotsanangura mazwi uye tsananguro, mamakisi, tekinoroji zvinodiwa, sampling uye mabhuroko ekuyedza, nzira dzekuyedza, mitemo yekuchengetedza, chiziviso chekukanda, kurongedza, kuchengetedza uye zvekufambisa zvinodiwa.

Chikero ichi chakakodzera kushandiswa mukugadzira mold yevermicular graphite cast iron ine jecha mold kana ne thermal conductivity inoenderana nejecha mold. Iyo coil cast iron inogadzirwa nedzimwe nzira dzekugadzira inogona kushandiswa sereferensi.

Normative reference document

Zvinyorwa zvinotevera zvakakosha pakushandiswa kwegwaro iri. Pamareferensi emazuva, vhezheni yemazuva ano inoshanda pagwaro iri. Iyo vhezheni yegwaro risina kunyorwa zuva (kusanganisira zvese zvakagadziridzwa) ichashandiswa pagwaro iri.

GB/T 228 Metallic zvinhu - tensile bvunzo nzira pakamuri tembiricha (GB/T 228-2002,eqv ISO 6892:1998)

Metallic zvinhu - Brinell kuomarara bvunzo - Chikamu 1: Nzira dzekuyedza (GB/T 231.1-2009, ISO 6506-1:2005, MOD)

GB/T 5611 Forging mazwi

GB/T 5612 simbi yakakandwa giredhi yekumiririra nzira (GB/T 5612-2008, ISO 15931; 2004, MOD)

Sample forging surface (GB/T 6060.1-1997,eqv ISO 2632-3:1979)

Dimensional kushivirira uye Machining mvumo yeCastings (GB/T 6414-1999,eqv ISO 8062:1994)

GB/T 11351 kukanda uremu kushivirira

GB/T 26656 vermicular cast iron metallography kugadzirisa

Mitemo netsanangudzo

Matemu akaiswa muGB/T 5611 uye mazwi anotevera uye tsananguro anoshandiswa pagwaro iri.

Vermicular cast iron

Carbon inonyanya kuve muchimiro chevermicular graphite inonaya kubva musimbi yakakandwa musimbi matrix.

Creep treatment

Maitiro ekuti chinokambaira chinowedzerwa kune simbi yemvura kuti iwedzere sehonye graphite panguva yekuoma.

Kukanda huru madziro ukobvu

Hukuru hwemadziro ekukanda hunoreva hukobvu hwechikamu chebasa remakanika rezvinhu zvekukanda kana ukobvu hwechikamu chikuru chekushanda chekukanda, izvo zvinobvumiranwa nemapato ese.

brand

Iyo yemhando giredhi ichamiririrwa zvinoenderana nekutsanangurwa kweGB/T 5612.

Muchiyero ichi, vermicular graphite cast iron yakakamurwa kuita 5 mamakisi zvichienderana nemechani kukamurwa kwemasampunzi akagadzirwa neakakandirwa imwechete kana neakakanda bvunzo mabhuroko (ona Tafura 1 uye Tafura 2).

Odha ruzivo

Brand yekukanda zvinhu zvinodiwa naDemander.

Iko huru yemadziro emadziro ebasa rekukanda sezvakabvumiranwa nemapato ese.

Zvimwe zvinodiwa zvakakosha zvakabvumiranwa nemapato ese.

Kugadzira uye kugadzira

Iyo nzira yekugadzira uye kuumbwa kwemakemikari evermicular cast iron inofanirwa kutariswa nemupi kuti ave nechokwadi chekuti inodiwa giredhi uye basa rinoenderana nechiyero ichi. Kana vermicular cast iron ine yakakosha mashandisirwo uye zvinodiwa, iyo makemikari kuumbwa uye kupisa kurapwa kunogona kubvumirana nemapato ese.

Technical zvinodiwa

Mechanical properties ye single cast sample

Iyo mechanic zvimiro zveimwe yakakandwa samples yevermicular cast iron inofanirwa kuenderana neiyo delineation muTafura 1.

Kazhinji, 0.2% goho simba Rpo haishandiswe sehwaro hwekugamuchirwa. Kana mudiwa aine zvakakosha zvinodiwa, zvinogona zvakare kutsanangurwa.

Tafura 1 Mechanical basa reimwe yakakandwa sampu

Iyo mechanical basa reyakakandirwa muenzaniso

Iyo mechanic zvimiro zvevermicular cast iron samples ichaenderana neiyo delineation muTable 2.

0.2% goho simba Rpo kazhinji haishandiswe sehwaro hwekugamuchirwa. Kana mudiwa aine zvakakosha zvinodiwa, zvinogona zvakare kutsanangurwa.

Tafura 2 Mechanical basa remuenzaniso wekukanda

Mechanical basa rekukanda sampuli yemuviri

Nzvimbo yevermicular cast iron ine test block pane yekukanda ichafunga nezve chimiro chekukanda uye chimiro chechimiro chekudurura system, kuitira kuti udzivise mhedzisiro yakashata pamabasa ezvikamu zviri padyo, uye musimboti haufanirwe. kukanganisa basa rekugadzirisa kwekukanda, kutaridzika kwehutano hwekukanda uye kuwanda kwezvivharo zvekuedza. The test block ichatorwa kubva pabonde rekukanda. Kuti uone ukuru hwemuenzaniso, mutengi acharatidza kune mutengesi chikamu chakakosha chekukanda. Kana iye anokumbira asina maonero akarerekera, mutengesi anogona kuseta nzvimbo yekucheka pane yekukanda uye kuona dhayamita yesample.

Kukwidza: vermicular cast iron yeValve zvinhu (I)

Iine cast test block

Iwo anokandwa akasungirirwa bvunzo bhuroka zvakare ese akakandwa ebhechi rimwe chete ane hukobvu hwakafanana hwemadziro.

Kazhinji, kana huremu hwekukanda hunopfuura 2000kg, uye ukobvu hwemadziro huri 30mm ~ 200mm, inosarudzwa kubatanidza yekukanda test block. Kana huremu hwekukanda hunopfuura 2000kg uye ukobvu hwemadziro huri 200mm, iyo yakasungirirwa yekukanda test block inoshandiswa. Saizi uye chinzvimbo cheiyo cast test block inobvumirana nemapato ese.

Kunze kwekunge zvatsanangurwa neimwe mapato ese ari maviri, chimiro uye saizi yeyakasungirirwa cast test block inoratidzwa mumufananidzo

Nzvimbo yeyekuwedzera yekukanda test block pane yekukanda inofanirwa kufunga nezve chimiro chekukanda uye chimiro chechimiro chekudurura sisitimu, kuitira kuti udzivise mhedzisiro yakaipa pamabasa ezvikamu zviri padyo, uye usakanganisa basa rekuita. yekukanda, kutaridzika kwemhando yekukanda uye kuwanda kweiyo test block semusimboti.

Ese mablock blocks anofanirwa kumakwa zvine mukurumbira kuti ive nechokwadi chekuti mhando yekukanda inogona kuteverwa mukati mekuita.

Kana kukanda kunoda kurapwa kwekupisa, iyo yakasungirirwa castings ichaparadzaniswa kubva kune castings mushure mekupisa kurapwa kunze kwekunge kwakabvumiranwa nemapato. stretch

Tsanangudzo:

Jecha rekudya simba rekuedza block casting: mhando Ⅰ, Ⅱa uye Ⅱb idiki 40 mm; Type Ⅲ diki 80mm

Ongorora: Kune dzakatetepa-madziro kana simbi castings, iyo sampu inogona kutorwa kubva ku12.5mm test block, uye iyo mechanic basa inogona kubvumirana nemapato ese.

Saizi yezvikamu zvemabhuroko I neU mamilimita

Tsanangudzo:

Test block cast yekudya tireyi: mhando I, mhando II diki 40mm; Type Ⅲ Diki 80mm,

Ongorora: Kune dzakatetepa-madziro kana esimbi castings, sampu inogona kutorwa kubva kwauri

Body test block

Iyo mechanical basa rechikamu chakatarwa chekukanda chichabvumiranwa nemapato maviri. Aya mabasa achayerwa kubva kune sampuli yakachekwa kubva kune yakatsanangurwa chikamu chekukandira. Sample dhayamita ichabvumiranwa nemapato ese. Saizi yekusimba sampuli inoratidzwa muFIG. 4 uye Tafura 6

The test block ichatorwa kubva pabonde rekukanda. Kuti uone ukuru hwemuenzaniso, mutengi acharatidza kune mutengesi chikamu chakakosha chekukanda. Kana iye anokumbira asina maonero akarerekera, mutengesi anogona kuseta nzvimbo yekucheka pane yekukanda uye kuona dhayamita yesample.