国家/地区 中国（2）
IPC部 B（2）
IPC大类 B23（2）
IPC小类 B23B（2）
IPC
发明人
公开年 2023（2）
申请年 2022（2）
专利权人

Drill bit for drilling e.g. aerospace graphene composite plate, has reverse blade arranged between inner and outer walls of reverse groove and adapted for removing burr, and cutter head connected with cutter handle.

JIANG F, ZHOU R

Material alloy cutter comprises base material layer and carburized layer, where carburized layer is arranged on surface of base material layer, and titanium-aluminum-silicon-nitrogen composite coating of graphene doping is deposited outside carburized layer.

ZHU X, YANG Z, YANG Y, LIU H, LING X