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Ụlọ > Ngwaahịa > Profaịlụ igwe > Ogwe okirikiri ígwè
Cr12 na-ekpo ọkụ akpọrepu ígwè gburugburu ogwe
Cr12 na-ekpo ọkụ akpọrepu ígwè gburugburu ogwe
Cr12 na-ekpo ọkụ akpọrepu ígwè gburugburu ogwe
Cr12 na-ekpo ọkụ akpọrepu ígwè gburugburu ogwe

Cr12 na-ekpo ọkụ akpọrepu ígwè gburugburu ogwe

CR12 gburugburu ígwè na-ezo aka nchara siri ike ogologo ogologo nke nwere akụkụ obe okirikiri. A na-egosipụta nkọwapụta na millimeters nke dayameta. Dịka ọmụmaatụ, "50" pụtara nchara gburugburu nwere dayameta nke 50 mm. A na-ekewa nchara gburugburu ụzọ atọ: akpọrepu ọkụ, akpụpụtara na oyi na-atụ.
Ngwa nke Cr12 ígwè ihe
Cr12 ígwè bụ ihe a na-ahụkarị alloy Tool steel, Cr12 bụ Chinese Cold Work Alloy Tool steel. Njirimara arụrụ arụ ọrụ oyi ya dị ezigbo mma. Cr12 ígwè nwere nnukwu nguzogide abrasion, micro deformation nke ọrụ oyi na-anwụ anwụ nchara, ikuku siri ike ngwá ọrụ ígwè, carbon ọdịnaya dị elu dị ka 1.5%, chromium ọdịnaya dị elu dị ka 11.5%, okpomọkụ ọgwụgwọ ike ike iru 60 HRC. Enwere ike iji ígwè akụkụ Cr12 mee ihe:

a) A na-ejikarị silicon anwụ eme ihe maka obere ọnọdụ loaGBg siri ike chọrọ nguzogide dị elu, ịbịaru ụdị dị mfe na ịnwụ anwụ.
b Usoro maka imepụta benGBg ebu na-achọ akwa akwa, ụdị mgbagwoju anya nke ntụmadị, anwụ, ntinye, mee ntụmadị, mgbe a na-atụ aro ọnwụ, ike 60 ~ 64HCR.
c) maka imepụta eserese anwụ anwụ chọrọ, a na-atụ aro ike 62 ~ 64HCR.
d) maka mgbochi oyi aluminom extrusion anwụ punch, ọ na-atụ aro ike 60 ~ 62HCR.
e) maka benGBg carbon ọdịnaya nke 0.65% ka 0.80% proof builGBg ígwè, ike 60 ~ 62HCR.
f) enwere ike iji ya mee ihe maka ịnwụ anwụ, ntụmadị, wiil na-akpụgharị, akwa akwa, oyi heaGBg anwụ, ụrọ ebu.
g) enwere ike iji ya mee ihe maka ihe eji emepụta thermoset plastik molGBg.

Chemical na Mechanical

Ngwakọta kemịkalụ(wt.%) nke ọkwa Cr12: GB/T 1229-2000

Ihe Min (≥) Max. (≤)
C 2.00 2.30
Si - 0.40
Mn - 0.40
Cr 11.50 13.00

Njirimara akụrụngwa nke ọkwa Cr12 GB/T 1229-2000

Ike akaebe
Rp0.2 (MPa)
Ike ọdụdọ
Rm (MPa)
Mmetụta ike
KV (J)
Elongation na mgbaji
A (%)
Mbelata na ngalaba obe na mgbaji
Z (%)
Dị ka-Okpomọkụ na-emeso ọnọdụ hardness brinell (HBW)
539 (≥) 215 (≥) 42 14 42 Ngwọta na ịka nká, Annealing, Ausage, Q+T, wdg 244
GB Cr12 alloy tool steel ihe dakọtara  -UNS T30403
Ọkwa C Si Mn P S Cr Mo V
D3 2.00~2.35 0.10~0.60 0.20~0.60 0.030 Max 0.030 Max 11.0~13.5 ~ 1.00 Max
SKD1 1.90~2.20 0.10~0.60 0.20~0.60 0.030 Max 0.030 Max 11.0~13.0 ~ 0.30 Max
Cr12 2.00~2.30 0.40 Max 0.40 Max 0.030 Max 0.030 Max 11.50~13.00 ~ ~
1.2080 / X210Cr12 1.90~2.20 0.10~0.40 0.15~0.45 0.030 Max 0.030 Max 11.00~12.00 ~ ~
Ngwa nke Cr12 ígwè ihe

Cr12 ígwè bụ ihe a na-ahụkarị alloy Tool steel, Cr12 bụ Chinese Cold Work Alloy Tool steel. Njirimara arụrụ arụ ọrụ oyi ya dị ezigbo mma. Cr12 ígwè nwere nnukwu nguzogide abrasion, micro deformation nke ọrụ oyi na-anwụ anwụ nchara, ikuku siri ike ngwá ọrụ ígwè, carbon ọdịnaya dị elu dị ka 1.5%, chromium ọdịnaya dị elu dị ka 11.5%, okpomọkụ ọgwụgwọ ike ike iru 60 HRC. Enwere ike iji ígwè akụkụ Cr12 mee ihe:

a) A na-ejikarị silicon anwụ eme ihe maka obere ọnọdụ loaGBg siri ike chọrọ nguzogide dị elu, ịbịaru ụdị dị mfe na ịnwụ anwụ.
b Usoro maka imepụta benGBg ebu na-achọ akwa akwa, ụdị mgbagwoju anya nke ntụmadị, anwụ, ntinye, mee ntụmadị, mgbe a na-atụ aro ọnwụ, ike 60 ~ 64HCR.
c) maka imepụta eserese anwụ anwụ chọrọ, a na-atụ aro ike 62 ~ 64HCR.
d) maka mgbochi oyi aluminom extrusion anwụ punch, ọ na-atụ aro ike 60 ~ 62HCR.
e) maka benGBg carbon ọdịnaya nke 0.65% ka 0.80% proof builGBg ígwè, ike 60 ~ 62HCR.
f) enwere ike iji ya mee ihe maka ịnwụ anwụ, ntụmadị, wiil na-akpụgharị, akwa akwa, oyi heaGBg anwụ, ụrọ ebu.
g) enwere ike iji ya mee ihe maka ihe eji emepụta thermoset plastik molGBg.

Ịmepụta ihe ígwè Cr12

Kpoo ọkụ nwayọọ nwayọọ ruo 900 ~ 950 Celsius wee mee ka okpomọkụ dịkwuo ngwa ngwa ruo 1050-1100 Celsius. Akwụsịla n'okpuru 1020 Celsius. Mgbe ahụ, jụụ Cr12 nwayọọ nwayọọ mgbe ịchachara.

Mkpuchi nke ihe nchara Cr12

GB Cr12 ngwá ọrụ ígwè na-anapụta ọnọdụ nkịtị na annealing na igwe. Ọ bụrụ na ọ dị mkpa ịmaliteghachi. Kpoo ọkụ na Cr12 steel 900 Celsius ma gbanye nke ọma, wee dị jụụ n'ọkụ. Mgbe emechara ya, ike nnyefe Cr12 bụ 255HB Max.

Mwepụ nchekasị nke ihe ígwè Cr12

Mgbe a na-eji ígwè arụ ọrụ nke Cr12 alloy steel arụ ọrụ nke ukwuu ma ọ bụ n'ala, ọ dị mma ka a na-eme ka ahụ dị n'ime ya tupu ya sie ike iji belata ohere nke ịgbagha. Iweghachite nchekasị dị ezigbo mkpa, a ga-eme ka mgbakasị ahụ kwụsị mgbe arụchara ọrụ siri ike. Iji mesie ike, kpoo ihe ahụ nke ọma ruo 600-650 Celsius C, kwe ka oge ịmịnye dị mma (awa abụọ kwa 25mm nke ngalaba ọchịchị). Jụụ na ọkụ ma ọ bụ ikuku. A ga-arụcha ngwá ọrụ ndị ahụ tupu ị sie ike.

Ịgbasi ike nke Cr12 ígwè ihe

GB Cr12 Ọnọdụ nnyefe na-abụkarị ihe na-akụda mmụọ, yabụ ike siri ike dị mkpa. Kpoo ngwa Cr12 n'ime ọkụ ikuku a na-achịkwa, ọ bụrụ na enweghị ọkụ a na-achịkwa, a na-atụ aro ike nke ukwuu. Pre-heat Cr12 ngwá ọrụ ígwè ka 750 ~ 800 Celsius C, sook oge zuru ezu ruo mgbe okpomọkụ site. Mgbe ahụ wetara ruo 1000-1040 Celsius C, na-ajụ oyi na ikuku ma ọ bụ mmanụ quenching.

Tempering nke Cr12 ígwè ihe

Kpoo GB Cr12, kpoo ọkụ n'otu n'otu ka ọ bụrụ okpomọkụ achọrọ na-enye ohere itinye oge awa abụọ kwa 25mm nke ngalaba ọchịchị. Wepụ na ọkụ ọkụ ma kwe ka ọ dị jụụ na ikuku. Ọnọdụ okpomọkụ dị iche iche ga-esi ike dị iche iche. Okpomọkụ a na-ahụkarị bụ 204°C, mgbe ike ọkụ gachara 61HRc Min.

Welding nke Cr12 ígwè ihe

N'ozuzu, anyị anaghị enye ndụmọdụ welGBg nke alloy tool steel mana ndị ọrụ na-ahọrọ weld mgbe ụfọdụ iji zere ọnụ ahịa nrụpụta. Ekwesịrị icheta na ọkwa a bụ igwe na-eme ka ikuku sie ike yana na welGBg mpaghara weld na-enweta okpomọkụ ihe dịka 1000 Celsius. O yikarịrị ka ọ ga-eme mgbawa n'oge jụrụ oyi ma ọ bụrụ na emeghị akpachapụ anya nke ọma. Ụzọ a ma ama nke welGBg bụ hydrogen atom na argon arc. Anyị na-akwado ka ịkpọtụrụ onye na-ebubata ngwaahịa welGBg nke kwesịrị inye gị enyemaka zuru oke na ozi gbasara nchara welGBg alloy.

Nitriding nke Cr12 ígwè ihe

Cr12 alloy tool steel nwere ike nitrided iji nye ikpe elu siri ike. Mgbe ọgwụgwọ okpomọkụ nitriGBg gasịrị, Cr12 na-eguzogide ọgwụ ike iyi na mbuze. NitriGBg na-abawanye nguzogide corrosion.

Ngwucha ikpeazụ nke ihe igwe Cr12

GringGBg na GB Cr12 Steel. Họrọ akara wiil nke ziri ezi ka ị na ndị na-emepụta wheel gringGBg na-akpakọrịta. Gbaa mbọ hụ na wheel gringGBg nọ n'ọnọdụ dị mma site na ngwa eji ejiji dabara adaba. Wet gringGBg bụ nhọrọ kacha mma site na iji nnukwu ọkọnọ nke coolant. Ọ bụrụ na a na-amalite gringGBg akọrọ wee jiri ụkwụ dị nro dị nro.

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