In addition to the line machine is a kind of have to complete the main structure of surface processing, two strong construction phase of the construction surface binding tool similar to the "chopper". Usually in addition to the machine is used in the cast-in-place reinforced concrete structure, in after the site casting gating, want to cut hair, on to the next layer water injection, make strong concrete binding. So "cut hair machine", also known as "concrete cut hair machine". Cut hair cut hair classification machine according to the way of working can be roughly divided into: hand-held, hand push type, walking type (suspension), airborne type.