Mphete Yopukutira ya Alumina Ceramic Yopangidwa Ndi Chitsulo Yopangidwira Opanga ndi Ogulitsa Opanga ndi Ogulitsa

Mphete Yopukutira ya Alumina Ceramic Yokhala ndi Chitsulo Yogwiritsidwa Ntchito Pogwiritsa Ntchito Ma Lapping Olimba Kwambiri Chithunzi Chowonetsedwa

Mphete Yopukutira ya Alumina Ceramic Yokhala ndi Chitsulo Yogwiritsidwa Ntchito ndi Ma Lapping Olimba Kwambiri

Kufotokozera Kwachidule:

Mphete yopukusira ya alumina yochokera kuchitsulo ya St.Cera imaphatikiza alumina yoyera kwambiri (99.8% Al₂O₃) yokhala ndi chitsulo cholimba (nthawi zambiri chopangidwa ndi aluminiyamu kapena chitsulo chosapanga dzimbiri). Kapangidwe kameneka kamapereka kukana kwapadera kwa kuvala komanso kusagwira bwino ntchito kwa ceramic pamwamba popukusira, pomwe maziko achitsulo amawonjezera mphamvu yamakina, kukhazikika kosavuta, komanso kukana kusweka kwa brittle. Gawo la alumina limapereka mphamvu yopindika ya 361 MPa, kuuma kwa Vickers kwa 16 GPa, komanso kukhazikika kwa kutentha mpaka 800°C. Maziko achitsulo amapangidwa ndi mabowo omangirira, ma pini opezera, kapena mphamvu zamaginito kuti agwirizane ndi makina olumikizira, ma planetary grinders, ndi zida za CMP.

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Tsatanetsatane wa Zamalonda

Ma tag a Zamalonda

St.Cera'smphete yopangira alumina yochokera pachitsuloAmaphatikiza alumina woyera kwambiri (99.8% Al₂O₃) wosanjikiza wa ceramic wokhala ndi chogwirira chachitsulo chopangidwa mwaluso (nthawi zambiri aluminiyamu kapena chitsulo chosapanga dzimbiri). Kapangidwe ka hybrid aka kamapereka kukana kwapadera kwa kuvala komanso kusagwira kwa mankhwala kwa ceramic pamalo opukutira, pomwe maziko achitsulo amawonjezera mphamvu yamakina, kukhazikika kosavuta, komanso kukana kusweka kwa brittle. Gawo la alumina limapereka mphamvu yopindika ya 361 MPa, kuuma kwa Vickers kwa 16 GPa, komanso kukhazikika kwa kutentha mpaka 800°C. Maziko achitsulo amapangidwa ndi mabowo oyika, ma pini opezera, kapena mphamvu zamaginito kuti aphatikizidwe mu makina olumikizira, zopukutira mapulaneti, ndi zida za CMP.

Mafotokozedwe(Alumina wosanjikiza pogwiritsa ntchito 99.8% Al₂O₃):

Katundu	Mtengo
Zinthu Zofunika	99.8% Alumina (Minyanga ya Njovu)
Kuchulukana	3.93 g/cm³
Mphamvu Yosinthasintha	361 MPa
Kuuma kwa Vickers	16 GPa
Kulimba kwa Kusweka	3–4 MPa·m¹/²
Kuwonjezeka kwa Kutentha (25-1000°C)	7.2×10⁻⁶/℃
Kumaliza Pamwamba (nkhope yopukutira)	Ra ≤0.4 μm (yozungulira)
Kusalala	≤5 μm kuposa 100mm
Zipangizo Zachizolowezi	Aluminiyamu 6061, Chitsulo Chosapanga Dzira 304/316
Njira Yogwirizanitsa	Kukanikiza kwa epoxy kapena makina otenthetsera kwambiri
Kukhuthala	5–20 mm (kasitomala wasankha)

Dziwani: Kapangidwe ka maziko achitsulo (kuchuluka kwa zinthu, Young's modulus, ndi zina zotero) sikuperekedwa m'matebulo a zinthu zadothi zomwe zaperekedwa. Amatsatira deta yokhazikika yamakampani ya aluminiyamu/chitsulo. Chonde tchulani mtundu wachitsulo ndi zofunikira pakuyikira.

Mapulogalamu:

● Mphete zopukutira makina opukutira mapulaneti

● Mphete zothandizira za CMP (mankhwala opukutira makina)

● Kukulunga bwino zisindikizo za ceramic kapena zitsulo

● Zipangizo zoyesera kuwonongeka kwa zinthu zosayenera

Njira Yopangira:

1. Mphete ya alumina ceramic imasiyidwa kuchokera ku ufa wa 99.8% ndi kuponderezedwa kolondola mpaka ID/OD yomaliza komanso kusalala.

2. Chitsulo choyambira chimapangidwa ndi makina a CNC okhala ndi mabowo omangira, mabowo ozungulira, kapena njira zazikulu.

3. Mphete ya ceramic imalumikizidwa ku maziko achitsulo pogwiritsa ntchito epoxy yamphamvu kwambiri (kutentha kwa ntchito ≤200°C) kapena yolumikizidwa ndi makina (imalola kutentha kwakukulu, mpaka 500°C ngati mukugwiritsa ntchito ma shims achitsulo).

4. Kulumikiza komaliza pamwamba pa ceramic kuti pakhale kusalala komanso kutha kofunikira.

5. Kuyeretsa pogwiritsa ntchito ma ultrasound ndi kuyang'anira 100%.

Kuwongolera Ubwino:

● Kuyang'ana kwa CMM kwa ID, OD, makulidwe, ndi malo a mabowo

● Kuyeza kusalala pogwiritsa ntchito laser interferometer

● Kuyesa mphamvu ya bond (kuyesa kukoka kapena kumeta tsitsi pa zitsanzo za mboni)

● Kuyang'ana m'maso kuti muwone ming'alu kapena malo opanda kanthu mu ceramic layer

Ubwino kuposa mphete zonse za Ceramic kapena zitsulo zonse:

● Malo opangidwa ndi ceramic amakhala nthawi yayitali kuposa chitsulo cholimba kwa 5–10×

● Chitsulo chachitsulo chimapereka mphamvu yogwira ntchito - palibe chiopsezo cha kusweka kwa brittle fracture panthawi yoyika.

● Kuyika kosavuta (mabowo olumikizidwa, zikhomo za dowel) mwachindunji pamakina omwe alipo

● Mtengo wotsika kuposa mphete yonse ya ceramic ya mainchesi akuluakulu

● Chitsulo choyambira chingapangidwe kuti chigwirizane ndi maginito

Zoletsa (ndemanga zotsutsa):

● Deta ya maziko a chitsulo (kukulitsa kutentha, kuuma) osati kuchokera ku matebulo a ceramic omwe aperekedwa - tchulani makhalidwe achitsulo wamba.

● Kutentha kwakukulu kogwira ntchito kosalekeza komwe kumachepetsedwa ndi epoxy bond (≤200°C ya epoxy yokhazikika; kukanikiza kwamakina kumalola mpaka 500°C koma kumachepetsa kutseka).

● Sikoyenera malo ochitira mankhwala amphamvu omwe amaukira maziko achitsulo (monga ma asidi amphamvu). Kuti mankhwala asamagwire bwino ntchito, tchulani mphete yonse ya ceramic.

Kusintha:

● Zipangizo zachitsulo: aluminiyamu (yopepuka), chitsulo chosapanga dzimbiri (chosagwira dzimbiri), kapena Invar (kukulitsa kutentha pang'ono)

● Njira yolumikizira: epoxy (≤200°C), chomangira chamakina (≤500°C), kapena chomangira cha ceramic-to-metal chopangidwa ndi braze (≤800°C, mtengo wake ndi wokwera)

● Zinthu zomangira: mabowo olumikizidwa, mabowo a dowel pin, mipata, kapena kumbuyo kwa maginito

● Kukhuthala kwa ceramic layer: 3–20 mm

Lumikizanani nafe kuti muonenso kapangidwe kake komanso kuti musankhe njira yabwino kwambiri yopangira chitsulo ndi ceramic.

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