Cutting mill the rough edges 2.Drilling: Parameters of the holes: Φ5 #8 Φ4 #8 Process equipment:vertical Lathe; Rotate speed:normal. According to the graph paper,label the drilling points on the plates, choose the appropriate drill that match the aperture.Considering about the assembling,we use the drills of 6 and 4.5 respectively.Aim and make a hole and clear the waste products in the hole(请理出废物)Cutting mill the rough edges 2. Drilling: Parameters of the holes: Ф5 #8 Ф4 #8 Process equipment: vertical Lathe; Rotate speed : normal. According to the graph paper, label the drilling points on the plates, choose the appropriate drill that match the aperture. Considering about the assembling, we use the drills of Ф6 and Ф4.5 respectively. Aim and make a hole and clear the waste products in the hole(清理出废物)