Abrasive Jet Machining (AJM) bụ usoro igwe eji arụ ọrụ nke na-eji obere ihe ndị na-emebi emebi a na-esi n'oghere nozzle apụta n'elu ihe eji arụ ọrụ ahụ, na-egweri ma na-ewepụ ihe site na nkukọ ọsọ ọsọ na ịkpụcha ihe ndị ahụ.
Jet abrasive na mgbakwunye na ọgwụgwọ elu maka imecha elu, gụnyere mkpuchi, ịgbado ọkụ na mkpuchi tupu ọgwụgwọ ma ọ bụ mgbe ọgwụgwọ gasịrị, na mmepụta, obere ebe igwe eji arụ ọrụ dị mma maka ịkpụ efere, ime ka elu oghere dị ọcha, ịkpụ ọka, ịtụgharị, igwu ala na ịkpa ákwà elu, na-egosi na enwere ike iji jet abrasive dị ka wiil igwe eji egweri ihe, ngwaọrụ ntụgharị, igwe igwe eji egbutu ihe, igwe igwe na ngwaọrụ ọdịnala ndị ọzọ.
Site n'ụdị ma ọ bụ mgbọrọgwụ nke jet ahụ, a na-ekewa teknụzụ jet abrasive n'ime jet mmiri (abrasive), jet slurry, jet ikuku abrasive na ihe ndị ọzọ. Taa, anyị ga-ebu ụzọ kwuo maka mmepe nke teknụzụ jet mmiri abrasive.
A na-emepụta jet mmiri na-afụ ụfụ site na iji jet mmiri dị ọcha. Jet mmiri (WJ) malitere na 1930s, otu echiche bụ igwupụta kol, nke ọzọ bụ ịkpụ ihe ụfọdụ. N'oge mbụ, nrụgide nke jet mmiri nwere ike iru dị n'ime 10 MPa, a pụkwara iji ya naanị maka ịsacha seams coal, ịkpụ ihe dị nro dị ka akwụkwọ na ákwà, wdg. Agbanyeghị, tinyere mmepe nke sayensị na teknụzụ, ọtụtụ ụdị ihe ọhụrụ na-akpali akpali pụtara n'ọhịa nke jet mmiri mba ụwa na njedebe nke afọ 1970, nke nnọchi anya ya bụ Jet Mmiri Abrasive (AWJ) nke Dr Mohamed Hashish tụrụ aro na 1979.