20# na-ekpo ọkụ akpọrepu ígwè mpempe akwụkwọ

(1) Àgwàetiti ígwè bụ nke elu-edu ala-carbon carbon ígwè, oyi extruded, carburized na hardened ígwè. Nchara ahụ nwere ike dị ala, ịdị mma dị mma, plasticity na weldability. The tensile ike bụ 253-500MPa, na elongation bụ ≥24%.
Njirimara nke 20 yiri nke ígwè 15, mana ike dị ntakịrị elu. Na-eji: adabara maka imepụta obere na ọkara carburizing na carbonitriding akụkụ nke na-adịghị mkpa maka owuwu nke ụgbọ ala, traktọ na n'ozuzu igwe n'ichepụta, dị ka breeki akpụkpọ ụkwụ, lever aro, gearbox ọsọ ndụdụ, nnyefe passive Gears na Camshafts na traktọ. ogwe ihe nhata nkwusioru, ihe nhata n'ime na mpụta bushes, wdg; a na-eji arụ ọrụ dị iche iche na-arụ ọrụ nke na-adịghị echegbu onwe ya mana ọ chọrọ ịdị elu siri ike n'okpuru ọnọdụ ọkụ na-ekpo ọkụ ma ọ bụ nke a na-emekarị; na arọ na ọkara-sized ígwè n'ichepụta Ọkara, dị ka adịgboroja ma ọ bụ pịa tie mkpara, agbụ, levers, aka uwe, clamps, wdg N'ime uzuoku turbine na ji esi mmiri ọkụ ụlọ ọrụ mmepụta, ọ na-akasị eji maka ọkpọkọ, flanges, nkụnye eji isi mee na dị iche iche fasteners. na-arụ ọrụ na mgbasa ozi na-adịghị emebi emebi na nrụgide nke ≤6N / square na okpomọkụ nke ≤450 ℃; eji eme obe n'okporo ụzọ ụgbọ oloko, locomotives na ụgbọ ala Ihe nkedo dị ka isi na piston.
Normalizing nwere ike ịkwalite spheroidization nke ígwè, mee ka nnukwu proeutectoid ferrite dị mma, ma melite arụmọrụ mbelata nke oghere na-erughị 160HBS.
Ụzọ usoro nke ígwè anwụ akụkụ bụ: blanking → forging die oghere → annealing → mechanical rough machining → oyi extrusion ịkpụzi → recrystallization annealing → mechanical finishing → carburizing → quenching, tempering → egweri na polishing → mgbakọ.
(2) Ọnọdụ nnyefe na isi ike anaghị ekpo ọkụ, isi ike ≤156HBS.

Ngwakọta kemịkalụ nke ọkọlọtọ JB/T 6057-92 ígwè (oke ntakiri,%)

Ngwa igwe
(5) Okpomọkụ mgbanwe nke usoro (ọnụahịa dị ka) Ac1=735℃, Ac3=855℃, Ar3=835℃, Ar1=680℃
(6) Normalizing nkọwapụta The okpomọkụ bụ 920 ~ 950 ℃, na ọkụ bụ ikuku mma. Isi ike bụ 131 ~ 156HBS.
(7) Nkọwa maka softening ọgwụgwọ nke oyi pịa oghere Okpomọkụ bụ 700 ~ 720 ℃, na-ejide oge bụ 8 ~ 15h, na obi jụrụ ọnụego bụ 50 ~ 100 ℃ / h, na okpomọkụ tụlee 550 ~ 600 ℃. na ọkụ, na ọkụ na-ikuku mma.
Isi ike tupu ọgwụgwọ bụ ≤143HBS, na isi ike mgbe ọ dị nro bụ ≤131HBS.
(8) Quenching nkọwapụta okpomọkụ 910 ℃ ± 10 ℃, jụrụ na 10% NaCl brine.
(9) Atụtara ike mkpụrụ fy = 245Mpa, modulus na-agbanwe E=206Gpa, oke Poisson ν=0.3.
(10) The shiee ike bụ 275 ~ 392MPa, ike tensile bụ 253 ~ 500MPa, ike mkpụrụ bụ 275MPa, na elongation bụ 25%.
(11) The annealing okpomọkụ bụ naanị 600-650 degrees, na njide oge bụ 1-2h.

Ọrụ anyị nke ụlọ mmanya okirikiri anyị:

1. Ọ bụrụ na ịchọtara nsogbu ịdịmma ọ bụla mgbe ịnata ngwa ahịa ahụ, ị ​​nwere ike ịkpọtụrụ anyị, anyị ga-ejikwa ma zaghachi gị n'ime awa 12.

2.Anyị bụ ụlọ ọrụ nrụpụta SS Round mmanya, ikike mmepụta kacha mma, njikwa kacha mma, ọrụ kacha mma.

3. Ụlọ ọrụ nyocha nke SGS ma ọ bụ ISO nyochara

4.100% nyocha QC  Tupu Mbupu.

Ọ bụrụ na ị nwere ajụjụ ọ bụla biko kpọtụrụ anyị n'oge.