| 摘要 |
PURPOSE:To remove the bulges around the through holes in a work coated with a layer of sprayed metal by passing a wire with a grinding material through the through hole and moving the wire in relation to the work. CONSTITUTION:After a coated layer 3 has been formed on a work 2 having through holes 1, a wire 7 with a grinding material is passed through a through hole 1 and moved in relation to the work so that the bulges 5 of the coated material formed on the inside circumference of the through hole 1 are removed by the grinding material. |
