Ntugharị PDC nke taa dị ka matriks nwere obere myiri nke ọbụlagodi afọ ole na ole gara aga.Ike nkwụsi ike na nguzogide mmetụta abawanyela ma ọ dịkarịa ala 33%, na ike brazes abawanyela site na ≈80%.N'otu oge ahụ, geometrics na nkà na ụzụ nke ihe owuwu na-akwado emeziwanyela, na-eme ka ngwaahịa matriks siri ike ma na-arụpụta ihe.
Ihe cutters
A na-eme ndị na-egbutu PDC site na mkpụrụ osisi carbide na grit diamond.Okpomọkụ dị ihe dị ka ogo 2800 na nrụgide dị elu nke ihe dịka 1,000,000 psi na-etolite kọmpat.Otu cobalt alloy na-arụkwa ọrụ dị ka ihe na-akpali akpali maka usoro nsị.Cobalt na-enyere aka jikọta carbide na diamond.
Ọnụọgụ nke cutters
Anyị na-ejikarị ndị na-egbutu obere ihe na obere PDC ibe n'ibe dị ka onye ọ bụla cutter na-ewepụ omimi dị omimi nke ịkpụ.Maka nhazi siri ike, ọ dị mkpa iji ihe ndị ọzọ na-egbutu iji kwụọ ụgwọ maka obere omimi nke ịkpụ.
PDC Drill Bits - Nha ndị na-egbutu
Maka nhazi dị nro, anyị na-ahọrọkarị ndị na-egbutu osisi karịa n'ụdị siri ike.Na-emekarị, ọkọlọtọ nso nke nha si 8 mm na 19 mm na onye ọ bụla bit.
Anyị na-akọwakarị nghazi nhazi ihe nlegharị anya site na azụ rake na akụkụ rake akụkụ.
●The cutter azụ rake bụ n'akuku ewepụtara site ihu nke cutter ka e guzobere na tụrụ si vetikal.Akụkụ rake azụ dịgasị iche n'etiti, ọ na-adịkarị, 15° ruo 45°.Ha anaghị adịgide adịgide n'ofe ntakịrị, ma ọ bụ site na bit ruo bit.Ogo nke akụkụ rake cutter maka ihe nkuku PDC na-emetụta ọnụ ọgụgụ penetration (ROP) na nkwụsi ike iyi.Ka akụkụ rake na-abawanye, ROP na-ebelata, mana nguzogide iyi na-abawanye ka ibu etinyere na-agbasa ugbu a n'akụkụ buru ibu.Ndị na-egbutu PDC nwere obere azụ azụ na-ebipụ nnukwu omimi nke ya mere na-eme ihe ike karị, na-emepụta Torque dị elu, ma na-edobe iyi ngwa ngwa yana ihe ize ndụ dị ukwuu nke mmebi mmetụta.
●Akụkụ n'akụkụ rake bụ ihe nha anya n'ebe onye na-akụ ihe si n'aka ekpe gaa n'aka nri.Akụkụ rake akụkụ na-adịkarị obere.Akụkụ rake dị n'akụkụ na-enyere aka ihicha oghere site n'iji igwe na-eduzi igbutu n'akụkụ annulus.
Oge nzipu: Sep-01-2023