Mashiinka daloolka foostada birta ah, oo sidoo kale loo yaqaano mashiinka looping-ka, waa mashiinka wax-ku-qaabaynta iyo goynta hal mar ah. Waxaa loo qaybiyaa 3-dhidib, 5-dhidib, 7-dhidib, 9-dhidib iyo noocyo kale. Mashiinkaani wuxuu ku habboon yahay dhumucda walxaha 0.2-2.0mm ( xaashida galvanized, qabow-duubay, xaashida kulul), ballaca alaabta ceeriin ≤ 150mm, iyo dhexroorka 30-300mm. Waxaa lagu daraa mishiinka alxanka caabbinta si loo sameeyo giraanta birta haydarooliga ah ee samaynta iyo alxanka wax soo saarka.
Mashiinkani waxa uu qaadanayaa wadista biyo-dharka ah, fiilooyinkana waa la toosiyaa, la duubaa, oo si biyo leh loo gooyaa si ay u noqdaan alaab; Sanduuqa xakamaynta waxaa lagu qalabeeyaa hawlo dhamaystiran sida quudinta degdega ah, goynta, si toos ah, buug-gacmeed, iwm, waana sahlan tahay in la shaqeeyo. Oo dhexroorka iyo dhererka workpiece warshadaysan loo dejin karaa sabab la'aan. Si balaadhan loogu dabaqi karo gariiradaha siligga ee kala duwan, semi-circles, iyo arcs wareegyada xagal kasta (xagal kooban). Siligga waxaa lagu sameeyay hal go oo ay wadaan matoorada servo si loo hubiyo khaladaadka alaabta yar ee dhammaatay iyo saxnaanta sare.