针对PDC钻头软模成型工艺中基础模具成型精度较低,劳动强度大,新产品研发周期长等问题。将3D打印技术成功应用于基础模具加工,试制了模具及钻头,并进行了野外实验。试验结果表明,采用该工艺制作模具缩短了新产品研发周期,保证了钻头的使用寿命和效率。 For the PDC bit soft mold forming process in the lower mold forming precision, labor-intensive, new product development cycle and other issues. 3D printing technology will be successfully applied to the basic mold processing, trial production of molds and drill bits, and field experiments. The test results show that the use of the technology to shorten the mold manufacturing cycle of new product development to ensure the life of the drill and the efficiency.