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Sintering na gargajiya da sauri

Teburin Abubuwan da ke Ciki

Yawancin dakunan gwaje-gwaje da asibitoci sun yi wannan muhawara aƙalla sau ɗaya: shin kuna bin tsarin gargajiya na dare ɗaya, ko kuna saka hannun jari a cikin injinan dumama mai sauri kuma ku fara juya kambin rana ɗaya? Amsar ba ta da sauƙi kamar "sauri koyaushe ya fi kyau" - amma kuma ba ta da rikitarwa kamar yadda wasu masu siyarwa ke faɗi. Wannan labarin yana tafe da ainihin musayar magunguna da aiki, tare da goyon bayan bayanai masu ƙarfi.

Abin da "Traditional Sintering" ke nufi a zahiri - kuma me yasa har yanzu yake aiki

Yin siminti na gargajiya ba fasaha ce ta da ba ta daɗe ba. Tsarin zafi ne da aka tsara musamman inda ake ƙara zirconia a hankali - yawanci 10-20°C a minti ɗaya - a riƙe shi a yanayin zafi mafi girma, sannan a sauke shi ta hanyar lanƙwasa mai sanyaya. Duk zagayen yana gudana awanni 8-12 , kuma wannan tsawaita lokacin da aka yi niyya ne: raguwar zafi mai daidaituwa yana ba da damar zirconia crystallites su girma su haɗu ba tare da tsauraran matakan damuwa na ciki ba.

Ana iya auna sakamakon. Yin simintin gargajiya akai-akai yana ba da ƙarfin lanƙwasa a cikin kewayon 1,100-1,200 MPa , shi ya sa ya kasance abin da aka saba amfani da shi don gadoji masu tsayi na baya da duk wani gyara inda ba za a iya yin sulhu a kan gefen tsarin ba. Hakanan yana kula da kusan kowace dabarar zirconia da ke kasuwa ba tare da ƙa'idodin daidaitawa ba.

Ga dakunan gwaje-gwaje da ke samar da kayan aiki - suna loda tire cike da dare kuma suna tattara su da safe - aikin tacewa na gargajiya yana da kyau sosai. Tanderu yana aiki yayin da dakin gwaje-gwajen ke rufe. Inda ba ya aiki: duk abin da ke da mahimmanci ga lokaci.

Gudun Sintering - Bukatun Gaske Mafi Yawan Masu Sayayya Sun Tsallake

Yin amfani da saurin tacewa zai iya kammala cikakken zagayen zirconia cikin mintuna 35-90 , har da sanyaya jiki. Wannan adadin gaskiya ne, amma ya zo da yanayi uku da suka fi muhimmanci a matakin siye.

① Kayan aikin wutar lantarki
② Kayan da ya dace
③ Daidaita zafin jiki

Da farko, dole ne a gina tanderun don saurin zagayowar zafi - wanda aka kimanta don ƙimar gudu har zuwa 200°C/min . Na biyu, zirconia kanta dole ne ta zama tsari mai dacewa da saurin sintering tare da tsarin ɗaurewa da aka gyara. Gudanar da blanks na yau da kullun da sauri yana haifar da ƙananan fashewa da rashin daidaiton launi. Na uku, daidaiton zafin jiki dole ne ya kasance mai tauri fiye da na zagayowar gargajiya - a 200°C/min, har ma da ƙaramin karkacewa yana haifar da bambancin da za a iya aunawa a cikin yawa da inuwa.

Idan aka cika dukkan buƙatu guda uku, saurin sintering yana samar da 1,000–1,150 MPa — cikakke a cikin yarda da ISO 13356 don rawanin guda ɗaya, gadoji masu gajeren zango, da gyare-gyaren da aka tallafa wa dashen.

Gefe-da-gefe: Lambobin da ke Jagorantar Shawarar

Sigogi Sintering na Gargajiya Gudun Sintering
Lokacin zagayowar Awa 8–12 Minti 35–90
Ƙarfin lankwasawa 1,100–1,200 MPa 1,000–1,150 MPa
Yawa / tauri Nassoshi na asali Mai kamantawa ko kuma mafi girma kaɗan
Kudin kayan aiki $3,000–6,000$8,000–15,000
Bayanin Makamashi Ƙaramin, tsayayyen zane Babban kololuwa / ƙasa da jimilla
Daidaitawar abu Duk zirconia / yumbu Kayan da aka kimanta da sauri kawai
Daidaitawa ta gefe An yarda da shi a asibiti Mafi kyau kaɗan
Ƙarfin tsari Babban (kwana ɗaya na dare ɗaya) Ƙananan rukunin gaggawa
Isarwa a rana ɗaya Ba zai yiwu ba Babban amfani

Matsalar Launi — Dalilin da yasa Zirconia Mai Kyau ke Bukatar Fasaha Mai Wayo ta Wutar Lantarki

An ƙera samfuran zirconia na asali da aka shigo da su daga ƙasashen waje — Katana, IPS e.max ZirCAD, Aidite, da sauransu — da ka'idojin sintering masu tsauri. Ka kauce daga gare su, kuma za ka sami canjin launi, banding opcity, ko translucency wanda bai dace da jagorar inuwa ba. Wannan shine inda yawancin tanderun gudu na matakin shiga ba su da ƙarfi: suna iya aiwatar da saurin gudu, amma ba za su iya daidaitawa da bambancin lokaci-lokaci a cikin nauyin kaya, zafin yanayi, ko halayen sarari ba.

Fasaha ta ARCS

Sintering na Biyan Kuɗi Mai Sauri ta atomatik

Duk tanderun DNTX Q7 da Q56 suna da fasahar ARCS ta musamman - tsarin kwaikwayon yanayin zafi na abu wanda aka haɓaka shi daban-daban tare da tsarin ɗagawa mara girgiza wanda ke daidaita nisan da ke tsakanin abin dumama da kayan aikin a ainihin lokaci.

  • Tsarin dumama mai daidaitawa - ba shiri mai tsayayye ba
  • Yana rama bambancin kaya, zafin jiki na yanayi, da bambance-bambancen sarari mara komai
  • Yana kawar da matsalolin launin fata da kuma rashin iya bayyanawa waɗanda ke addabar murhunan gudu na yau da kullun
  • An tsara shi musamman don samfuran zirconia masu inganci da aka shigo da su daga ƙasashen waje

DNTX Q7 da Q56 — Bayanin Bayani

DNTX · Mai Sauri-Ƙarami

Q7 Haɗaɗɗen Tanderu na Sintering

Zagayen gudu na minti 60 (gami da sanyaya)
Batun gargajiya ≥ raka'a 80 / tire mai layi biyu
Matsakaicin zafin jiki1,580°C
Daidaiton sarrafawa±1°C
Ƙarfin da aka ƙayyade 3 kW
Sanda mai zafi da aka shigo da shi ta SiC
Shirye-shirye 24 da aka saita → har zuwa 50
Ɗakin Ø220 × h240 mm
Nauyi 42 kg
DNTX · Saurin Daidaitacce

Q56 Haɗaɗɗen Tanderu na Sintering

Zagayen gudu na minti 90 (gami da sanyaya)
Batun gargajiya ≥ raka'a 100 / tire mai layi 3
Matsakaicin zafin jiki1,580°C
Daidaiton sarrafawa±1°C
Ƙarfin da aka ƙayyade 3 kW
Sanda mai zafi da aka shigo da shi ta SiC
Shirye-shirye 24 da aka saita → har zuwa 50
Ɗakin Ø220 × h240 mm
Nauyi 50 kg

Wanne Tsarin Aiki Ya Dace Da Dakin Gwajinku?

Zaɓi Gargajiya a matsayin Babban Idan:

  • Tsarin juyawa na awanni 24 ko fiye
  • Gadaje masu tsayi da yawa a baya (raka'a 5+)
  • Iri-iri na tsarin zirconia
  • Zuba jarin kayan aiki mai ƙarancin kasafin kuɗi
  • Babban adadin da aka yi a cikin dare ɗaya shine fifiko

Gudun Sintering Zai Zama Mahimmanci Idan:

  • Asibitocin haihuwa na rana ɗaya ko na safe
  • Lambobin gaggawa na kambi ɗaya akai-akai
  • Tsarin aikin asibitin CAD/CAM na kujera
  • Babban adadin akwatunan guda ɗaya
  • Rage lokacin zagaye 10× yana haifar da ainihin kudaden shiga

Mafi kyawun jarin da za a iya karewa don dakunan gwaje-gwaje masu matsakaicin girma: murhu mai yanayi biyu kamar DNTX Q7 ko Q56. Yanayin gudu don rawanin gaggawa guda ɗaya, yanayin gargajiya don samar da rukuni na dare ɗaya - kayan aiki ɗaya, ɗayan kuma na gyaran gaba ɗaya.

Kurakuran da Aka Saba Yi a Fahimta

"Speed sintering always produces weaker restorations."
Ba a yi daidai da kayan da suka dace da murhu ba. Tsarin 1,000–1,150 MPa da aka samu tare da zirconia mai jituwa da sauri ya wuce mafi ƙarancin 900 MPa na ISO 13356 ta hanyar ma'ana.
"Any fast furnace can sinter any zirconia quickly."
Mafi hatsarin fahimta a kasuwa. Samfuran zirconia da aka shigo da su daga ƙasashen waje suna da takamaiman buƙatun zafi. Gudanar da su ta cikin tanda ba tare da diyya mai daidaitawa ba - kamar ARCS - yana haifar da rashin daidaiton launi wanda ba dakin gwaje-gwaje ko majiyyaci za su yarda da shi ba.
"You need two separate furnaces to handle both workflows."
Tanderu mai haɗin gwiwa yana kawar da wannan gaba ɗaya. DNTX Q7 da Q56 suna adana har zuwa lanƙwasa masu shirye-shirye guda 50. Sauyawa tsakanin zagayowar gudu ta minti 60 da zagayowar gargajiya ta awanni 8 shine taɓa allo, ba musanya kayan aiki ba.
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