When a factory manufactures a washing machine, the parts shown in Fig. 1 need to process 12-φ40mm and 48-M6 holes. If one piece of wire is used to machine one piece, it takes 10~12h, and the technical requirements are high, and the quality is difficult to guarantee. We designed and manufactured a set of simple porous drills as shown in Figure 2. The total cost of the fixture is only about 1/2 of that of a general integrated drill. Each time a part shown in Figure 1 is machined, it takes only 1 to 1.5 hours. Using a scribe line to drill the knife to improve efficiency by 6 to 10 times,
Guangdong Smart Street Lighting Co., Ltd , https://www.fldlight.com