Patent ID: 6638152
Filing Date: 2003-10-28
Classification: B23D,B28D

Abstract:
A diamond tool (10) having segmented cutting tips for cutting, grinding or drilling workpieces comprising:a wheel body (11) and a plurality of segmented cutting tips (12) disposed at periphery of the wheel body (11) cutting tip (12) including: diamond layers (14, 15), including diamond particles (16), which are disposed along rotation direction of the wheel body (11), to form microscopic cutting grooves (18, 18â€³) within the workpieces (19) during cutting, grinding or drilling operation; and a non-diamond portion (17) disposed between the diamond layers (14, 15) to crush portions (18â€²) of the workpieces (19) between the microscopic cutting grooves (18, 18â€³) with relatively larger sizes as the non-diamond portion (17) applies a relatively small friction and a rotation impact to the portion (18â€²), wherein the non-diamond portion does not include diamond particles (16).