The Knnjoo pass-through monorail type D shot blast machines- closed loop operation achieve 
shot blasting times due to the combination of the latest transport technology and highly efficient blast wheels.
the workpieces are carried on rotating hooks on the manually operated monorail or conveyed automatically on a 
(optional ) power&free conveyor to the blast cabinet where they are blasted by blast wheels. the blast cysle runs in accordance 
with the preset blast time , when the blast wheels stop. the door is opened and the hook exists automatically.