Iji servo linear mbanye, ogologo ntinye ihe nkiri site na ihuenyo mmetụ. Site na mma na-akpụ akpụ, enwere ike ịkpụ ihe nkiri ahụ na-akpaghị aka. Enwere ike ịpịpụta ahịrị sawtooth ozugbo wee bepụkwa ọnụ ihe nkiri (dịka igbe anụ ahụ ihu). Iji cylinder suction jide ihe nkiri ịkpụ n'elu oghere, enwere ike ịhazigharị ọnọdụ ihe nkiri ahụ na-akwụsịghị.