Circular Saw,Miter Saw,Angle Grinder,Drill Press Ningbo Hoya Electronic Commerce Co., LTD , https://www.jauhitools.com Figure 1 shows the decorative panel parts (material: Q235A) with a curved surface of R61.9_0~(+0.15)mm. It is usually milled on a milling machine using a special non-standard milling cutter, or designed and manufactured in a vertical punching machine. It was punched out. However, due to limited production conditions, we are difficult to implement both methods. Now adopting the direct arc on the C6136A ordinary lathe, meeting the requirements.