Guzobere, Sayensị
Metal akpụ
Metal akpụ - a usoro nke n'ichepụta ihe preforms na moldings site plastic deformation amalite ihe onwunwe. Nke a na ụdị ọgwụgwọ nwere ike doro ihe enwe ezu plastic Njirimara. Maka kenkuwa alloys dị ka nkedo ígwè, dị a shaping usoro bụghị ọdabara n'ihi na elu puru ihe bibiri ike mpụga metụtara.
ọkara okokụre na okokụre ngwaahịa mmepụta technology n'ụzọ dị otú a na-agụnye iji ihe ma na oyi na-ekpo ọkụ. Nke a pụtara ịrịba iche dị na Njirimara nke okokụre ngwaahịa. Metal akpụ ga ubé ịgbanwe ihe owuwu, mmọdo, physicomechanical Njirimara nke ihe mgbe ọ bụ ibido na-ekpo ọkụ ọnọdụ.
N'ịkpụzi nke metal billet na oyi na-atụ ala na-eji bụrụ na nke na-eme ka a nnukwu ogbe nke obere ihe nke elu mma. Nke a bụ n'ihi na eziokwu na steeti a na-obi tara mmiri na ihe onwunwe, Bilie a mgbanwe ya Njirimara. Karịsịa, enwekwu ike e ji mara nke okokụre ngwaahịa.
Theory nke metal akpụ dabeere na ngwa Njirimara nke plastic ihe. Karịsịa ha nwere ike iji na-adịgide adịgide deformation ahụ nke na-ekwusi size na-enwe mmetụta na ọbụna mgbe mpụga ibu e wepụrụ. Na-agbanwe agbanwe geometrical kwa nke ngwaahịa na-adị n'ihi na static ma ọ bụ ike mpụga mgbali, na-eme bukwanu nsogbu na alloy, uru nke bụ nnọọ ukwuu karịa mkpụrụ nchegbu.
E nwere ndị na-esonụ ụdị nke metal akpụ:
inyefe, n'oge nke esichara ihe onwunwe na-doro mkpakọ iji pụrụ iche na ngwá site agafe n'etiti na-apụta, nke kọrọ rotational ije ;
na-eru. Na nke a shaping ewe ebe naanị elongated isiokwu ndị dị otú ahụ dị ka waya, mkpanaka ma ọ bụ ọjà. Ihe kachasi mkpa a omume bụ nne na nna metal na-wetara site a nta oghere karịa dayameta nke mbụ workpiece, emi odude ke a pụrụ iche ngwá ọrụ - portage;
free ibe ya bụrụ, nke na-enye a na-agbanwe agbanwe mgbanwe ke udi na size nke akụkụ na a na-ekpo ọkụ ala site na nke soje hama na-efega ma ọ bụ nsogbu N'ịbụ pịa. Nke a na ụdị nke nhazi na-enye ohere iji melite Ọdịdị na Njirimara nke ibe ya bụrụ;
zọ, nke nwere ike ịbụ a mpempe akwụkwọ ma ọ bụ nnukwu. N'ọnọdụ abụọ ahụ, otu ụdị ngwá mee: pịa ma na-anwụ, ma ruru bụ dị iche iche preform nha;
ịpị, na nke ihe na-extruded si a mechiri emechi udi enwe oghere.
Metal akpụ nwere ọtụtụ uru, otu nke bụ:
ekwe omume nke ígwè ọrụ na akpaaka nke n'ichepụta usoro akụkụ;
amụba itinye n'ọrụ na-akpata nke ihe onwunwe;
n'ichepụta nke ngwaahịa na dị iche iche na udi ma na size, na ọ dịghị achọ ka n'ihu machining maka onye akụkụ, n'ihi na ike - ya olu budata belata;
amụba arụpụtaghị n'ichepụta iche iche na ngwaahịa;
mma na n'ibu Njirimara nke alloys.
Metal akpụ na ọtụtụ-eji mepere mgbagwoju nke mba. Nke a na usoro na-emepụta a dịgasị iche iche nke akụkụ ahụ na mgbagwoju jiometrị na nnukwu akụkụ. Ọ bụrụ na ọ dị mkpa, ma ọ bụrụ na usoro a nke na-akpụ na-adịghị chọrọ akụkụ e nweta ihe, na udi ma ọ bụ n'elu àgwà, na nzọụkwụ ọzọ bụ machining. Ọ bụrụ na ị chọrọ melite arụmọrụ e ji mara nke okokụre ngwaahịa, na ikpeazụ ogbo nke okpomọkụ omume.
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