Akwụkwọ mpịakọta azụ bụ mpịakọta na-akwado ọrụ ahụmpịakọtama bụrụ akwụkwọ mpịakọta kacha ibu na nke kachasi ike a na-eji na igwe igwe ihe. Nkempịakọtanwere ike ịkwado etitimpịakọtan'ihi na-ezere deflection nke ọrụ mpịakọta na-emetụta na mkpụrụ na àgwà nke efere na warara igwe igwe na-akpụ akpụ. Àgwà mara mma nke mpịakọta nkwado ndabere na mpaghara elu elu, ịdị mma nke ịdị nhịahụ siri ike na akwa oyi akwa nke mpịakọta, ike dị mma na ike nke olu mpịakọta na mpịakọta ahụ. mpịakọta nkwado ndabere na mpaghara nwere oke mgbochi na-eyi na mgbochi peeling, ihe mgbochi siri ike. A na-eji 86CrMoV7 na 9Cr2Mo mee mpịakọta ígwè arụrụ arụ nke 1000mm ma ọ bụ ihe na-erughị ya. Ọdịnaya carbon ya bụ 0.80% ruo 0.95% yana ọdịnaya Cr bụ 2% enwere ike iji ya mee ihe maka obere igwe igwe. Akwụkwọ mpịakọta Cr4 na Cr5 nwere ọdịnaya carbon nke 0.4% ruo 0.6% yana ọdịnaya Cr nke 4% ruo 5%, dabara maka igwe na-agba ọsọ na ọkara-ọsọ nchara arụ ọrụ.

Maka ụfọdụ obere igwe ihe igwe, a na-eji 86CrMoV7 na 9Cr2Mo mee mpịakọta nchara nchara nke 1000mm ma ọ bụ obere, ọdịnaya carbon ya bụ 0.80% ruo 0.95% yana ọdịnaya Cr bụ 2%.
Nchara maka mpịakọta nkwado Cr4 na Cr5 nwere ọdịnaya carbon nke 0.4% ruo 0.6% yana ọdịnaya Cr nke 4% ruo 5%. The obi tara mmiri, eyi iguzogide, peeling eguzogide, ike ọgwụgwụ na-egbochi ihe mberede Njirimara nke ndabere na-apụta isi kpochapụ peeling onu nke mpịakọta ahụ elu na mpịakọta cutoff mberede. Cr4, Cr5 ígwè nkwado ndabere na mpaghara na-adabara maka nnukwu igwe na-agba ọsọ na ọkara-ọsọ nchara arụ ọrụ.

Njirimara nke mpịakọta ígwè dị elu (HSS mpịakọta)

1. Ihe mpịakọta ígwè dị elu nwere nnukwu ihe ndị dị ka vanadium, tungsten, chromium, molybdenum, na niobium. Ụdị carbide dị n'ụdị mpịakọta bụ tumadi MC na M2C. N'iji ya tụnyere ductile iron rolls na nnukwu nickel-chromium mpịakọta, ígwè na-agafe n'elu dị elu n'oge ọ bụla, nke na-azọpụta oge mgbanwe mgbanwe, na-eme ka igwe igwe na-arụ ọrụ nke ọma ma na-ebelata ụgwọ ọrụ mmepụta ihe.

2. Ngwongwo ígwè dị elu na-agba ọsọ nwere ezigbo nkwụsi ike okpomọkụ. N'ebe okpomọkụ na-akpụ akpụ, elu mpịakọta ahụ nwere ike siri ike dị elu na nkwụsị nke ọma.
Mpempe ígwè dị elu na-agba ọsọ nwere ezigbo hardenability, na ike siri ike site n'elu nke mpịakọta ahụ ruo n'ime oyi akwa na-arụ ọrụ na-adịkarịghị ebelata, si otú ahụ hụ na mpịakọta ahụ nwere nguzogide dị mma site n'èzí ruo n'ime.

3. N'oge a na-eji mpịakọta ígwè na-agba ọsọ ọsọ, n'okpuru ọnọdụ dị mma nke ọma, a na-emepụta ihe nkiri oxide dị gịrịgịrị na nke siri ike n'elu nke mpịakọta ahụ. Ihe nkiri a na-edo edo, nke dị gịrịgịrị na nnukwu oxide nwere ike ịdị ogologo oge na-adapụghị, na-eme ka ígwè dị elu na-apụta na-eyi na-eguzogide nke ọma.

4. Mpempe ígwè na-agba ọsọ na-agba ọsọ nwere nnukwu ọnụọgụ mgbasawanye ihe na ezigbo okpomọkụ conductivity. Mpịakọta HSS na-aga n'ihu na-adalata n'ihi mgbasawanye nke ngwa nchara dị elu n'onwe ha. N'oge a na-agbagharị agbagharị, mgbanwe nke oghere na-agbagharị agbagharị dị ntakịrị, a na-echekwa nguzozi nke oghere ahụ ruo ogologo oge, karịsịa mgbe ị na-atụgharị mmanya ma ọ bụ rebar, nke na-eme ka ọ dịkwuo mfe ịchịkwa nkwụsị na-adịghị mma nke ihe na-atụgharị.
5. Isi nke centrifugally nke a na-atụgharị ígwè na-agba ọsọ dị elu bụ nke alloy ductile iron, ya mere, olu olu mpịakọta dị ike.

Ngwa
Igwe ihe igwe na-akpụgharị mmanya, igwe igwe ihe nkesa, igwe igwe na-agba ọsọ dị elu, igwe igwe na-emecha warara na-ekpo ọkụ, igwe igwe na-ekpo ọkụ na-ekpo ọkụ, ngalaba na igwe igwe igwe na-agbagharị igwe.