Kupanga kwa PDC Bit Cutter

PDC bits cutter amatchedwa Polycrystalline Diamond Compact Cutter.Zopangira izi ndi 90-95% ya diamondi yoyera ndipo imapangidwa kukhala ma compact omwe amayikidwa m'thupi la pang'ono. Kutentha kwakukulu komwe kumapangidwa ndi mitundu iyi ya ma bits kudapangitsa kuti diamondi ya polycrystalline isweka ndipo izi zidapangitsa kuti Daimondi ya Thermally Stable Polycrystalline Diamond - TSP Diamondi.

PCD (Polycrystalline Diamond) amapangidwa mu magawo awiri kutentha, mkulu-anzanu ndondomeko. Gawo loyamba pakuchitapo kanthu ndikupanga miyala ya diamondi yochita kupanga powonetsa graphite, pamaso pa Cobalt, faifi tambala, ndi chitsulo kapena manganese chothandizira / yankho, kupsinjika pamwamba pa 600,000 psi. Pazimenezi, miyala ya diamondi imapanga mofulumira. Komabe, panthawi yosinthira graphite kukhala diamondi, pali kuchepa kwa voliyumu, komwe kumapangitsa kuti chothandizira / zosungunulira ziziyenda pakati pa makhiristo opangira, kuteteza kulumikizana kwa intercrystalline kotero kuti ufa wokha wa diamondi umapangidwa kuchokera ku gawo ili.

Mu gawo lachiwiri la ndondomekoyi, PCD yopanda kanthu kapena 'wodula' imapangidwa ndi ntchito yamadzimadzi. Ufa wa diamondi wopangidwa mu gawo loyamba la ndondomekoyi umasakanizidwa bwino ndi chothandizira / binder ndipo umakhala ndi kutentha kwa 1400 ℃ ndi kupanikizika kwa 750,000 psi. Njira yayikulu yopangira sintering ndikusungunula makhiristo a diamondi m'mphepete mwawo, ngodya zawo, ndi mfundo zamphamvu kwambiri zomwe zimayambitsidwa ndi mfundo kapena m'mphepete. Izi zimatsatiridwa ndi kukula kwa epitaxial kwa diamondi pankhope ndi malo omwe ali ndi ngodya yotsika pakati pa makristasi. Njira yokuliranso iyi imapanga ma bond enieni a diamondi-to-diamondi osaphatikiza zomangira zamadzimadzi kuchokera kumalo osungira. Chomangiracho chimapanga maukonde opitilira pang'ono a pores, omwe amakhalapo ndi maukonde osalekeza a diamondi. Kuchuluka kwa diamondi mu PCD ndi 90-97 vol.%.

Ngati wina akufuna compact compact yomwe PCD imalumikizidwa ndi mankhwala ku tungsten carbide substrate, zina kapena zonse zomangira za PCD zitha kupezedwa kuchokera kugawo lapafupi la tungsten carbide posungunuka ndi kutulutsa chomangira cha cobalt kuchokera ku tungsten carbide.

Ngati mukufuna odula a PDC ndipo mukufuna zambiri ndi zambiri, mutha KULAMBIRA NAFE pa lamya kapena makalata kumanzere, kapena TITUMIZENI MAIL pansi pa tsambali.