This article introduces a new manufacture process of the sintered mould for matrix PDC bits by using laser rapid modeling technique, rubber mold forming technique and kaolin powder modeling technique.
探讨了一项利用激光快速成型技术、胶模成型技术、陶土粉成型技术制造PD C钻头烧结模具的新工艺。
The flow field of PDC bits is very complicated during drilling process, while optimizing its hydraulics parameters is an effective method to improve its drilling performance.
PDC钻头在实钻过程中井底流场非常复杂，而优化其水力学参数是提高钻头钻井能力的有效手段。
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