Spray Truck Tyre on the impact of surface roughnessStrengthen the jet Truck Tyre will cause part by spraying the surface of the plastic defmation so that parts of the surface roughness change. Surface roughness is a micro geometry err also known as microroughness. Degree of surface roughness surface waves the shape err as are all parts of the geometric shape err surface roughness the use of perfmance parts f the machines has a significant impact. Spray Truck Tyre on the surface roughness is usually Ra0.6 ~ 20mm range. Without changing the conditions of process parameters materials iginal surface roughness is higher jet Truck Tyre Ra after the larger the value.