PCBN (kiyubiki boron nitride)

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PCD (polycrystalline daimondi)

Polycrystalline cubic boron nitride - Chingerezi chidule PCBN (cubic boron nitride) Zida za CBN nthawi zambiri zimakonza Iron ndi ziwalo zachitsulo !!! Makumi asanu ndi anayi mphambu asanu ndi anayi pa zana.

Magwiridwe amachitidwe a chida cha PCBN:

1: Mkulu kuuma ndi kuvala kukana;

2: Mkulu matenthedwe bata ndi kutentha kwambiri kuuma;

3: Mkulu mankhwala bata;

4: Ili ndi matenthedwe abwino otenthetsera

5: Kutsutsana kozama kozama;

malo ogwiritsira ntchito

Chida cha PCBN ndi choyenera kuthamanga kwambiri komanso kuthamanga kwapamwamba kwambiri

Chida cha PCBN ndichofunikira kwambiri pakadula mwachangu chitsulo, chitsulo cholimba ndi zinthu zina.

Malizitsani kukonza kwa zida zotsekedwa (kuuma pamwamba pa HRC55); Sitikulimbikitsidwa kuti mugwiritse chitsulo choponyedwa nodular !!!

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Polycrystalline daimondi - Chingerezi chidule cha PCD, Synthetic Polycrystalline Daimondi imagwiritsidwa ntchito kwambiri) Makhalidwe a zida za PCD: kulimba kwambiri, mphamvu yayikulu, kutentha kwabwino komanso kuvala, komwe kumatha kupeza machining olondola kwambiri ndikuchita bwino pakucheka kwachangu.

Zida za PCD nthawi zambiri zimapanga aloyi ya aluminium.

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1: PCD kalasi 010 idzasankhidwa kuti pakhale silicon alloy alloy (zotengera za silicon zosakwana 11%)

2: Kalasi ya 025 ya PCD imasankhidwa kuti pakhale ma aloyi apamwamba a silicon aluminium (zotengera za silicon zoposa 12%)

3: Aluminium yoyera (imakhala ndi zofewa, makamaka zomata, makamaka zofunika kwambiri pazida ndi kupanga)

zotayidwa aloyi

Aluminiyamu silicon alloy ndikulowetsa ndi kuponyera aloyi makamaka wopangidwa ndi aluminiyamu ndi silicon, yokhala ndi silicon wokwanira 11%. kulemera, matenthedwe abwino, mphamvu zina, kuuma ndi kukana kukana. monga 7%), katundu wodzazidwa ndi aluminiyamu aloyi amasungunuka ndiwabwino, omwe amagwiritsidwa ntchito ngati kuponyera aloyi. Mu Al Si aloyi wokhala ndi ma silicon opitilira Al Si eutectic point (silicon ndi 12.6%), pomwe tinthu tosililika timakhala 14.5% ~ 25%, ndikuwonjezera kuchuluka kwa Ni, Cu, Mg ndi zinthu zina kukonza makina ake onse. Zitha kugwiritsidwa ntchito mu injini zamagalimoto m'malo mwazitsulo zazitsulo kuti zichepetse kunenepa kwambiri.

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Zovuta pakapangidwe kazitsulo za aluminium

1. Chodzikongoletsera cha mpeni - malo osungunuka otsika, kudula kutentha ndikosavuta kuyambitsa kusungunuka kwa zinthu ndi kumamatira kwa mpeni, ndikupanga chotupa chakuzungulirazungulira;

2. Kudula mapindikidwe - zotayidwa aloyi ali ndi kuuma kwakung'ono, mapulasitiki apamwamba ndi kapangidwe kake kakang'ono kogwirira ntchito panthawi yodula;

3. Kudula kugwedera - zotayidwa aloyi ali ang'ono zotanuka modulus ndipo ndikosavuta kutulutsa kutanuka pakucheka.

Zida zotayidwa ndi aluminium die die castings zimagawika kwambiri kukhala:

Zotayidwa pakachitsulo aloyi, zotayidwa pakachitsulo aloyi aloyi ndi zotayidwa magnesium aloyi:

Aluminiyamu silicon alloy: makamaka kuphatikiza yl102 (ADC1, a413.0, ndi zina), yl104 (adc3, a360);

Aluminiyamu silicon aloyi aloyi: makamaka YL112 (A380, adc10, etc.), yl113 (3830), yl117 (B390, adc14), ADC12, ndi zina;

Aluminiyamu magnesium alloy: makamaka imaphatikizapo 302 (5180, adc5, adc6, etc.).

ADC12 ndi adc6 ndizo zida zomwe zimagwiritsidwa ntchito kwambiri ku China. Kusiyana kwakukulu pakati pazida ziwirizi ndikuti zomwe zili mu Si, Fe, Cu, Zn, Ni ndi Sn za ADC12 ndizapamwamba kuposa za adc6, pomwe Mg ali wotsika kuposa wa adc6. ADC12 ili ndi zida zabwino zopangira kufa, ndipo kukana kwake kwa dzimbiri ndikotsika poyerekeza ndi kwa adc6.


Post nthawi: Aug-04-2021