由北京沃尔德超硬工具有限公司申请的“一种用于石材雕刻的双刃金刚石刀具”(专利号:201410232668.9)获得专利。该专利提供一种用于石材雕刻的双刃金刚石刀具,包括硬质合金的基体刀杆,所述基体刀杆的端部加工有凹槽,刀粒通过钎焊方式固定于所述凹槽;所述刀粒的前刀面和后刀面一的交线处为主切削刃口一,所述刀粒的后刀面二上设有由两个槽 Applied by Beijing Waldhardt Hard Tools Co., Ltd. “A double-edged diamond cutter for stone carving” (Patent No .: 201410232668.9) was patented. The utility model provides a double-edged diamond cutter used for stone carving, which comprises a base arbor of cemented carbide, a groove is processed at the end of the base arbor, and the knife blade is fixed to the groove by brazing; The rake face of the knife blade and the flank of the intersection of a cutting edge of a main cutting edge of the knife two is provided with two grooves