Режущие и зажимные инструменты Hoffmann Group 2026 - страница 80

GBP 57 REAL MASTERS OF HIGH-FEED BORE MACHINING. The GARANT Master Feed solid carbide drilling tools. Drill NC spotting drill for maximum process reliability 12 1130 (page 81). Reliable self-centring when engaging in the GARANT Master Steel Feed drill. material. ■ Robust tool design. Shape of the spot ■ Special cutting edge and drilling performed by a chip groove geometry. GARANT Master Steel Feed NC spotting ■ Up to + 50% metal removal drill. rate thanks to the third cutting edge. ■ Maximum universality in the The point geometry of the Master Steel respective material segment. Feed NC spotting drill is optimally designed ■ Optimal entering thanks to for the point geometry of the following 12 pyramid tip. Master Steel Feed drill 4×D – 12×D. Very precise: 12 2435 / page 99 4×D The drill tip centre of the GARANT Master Steel FEED NC spotting drill. 12 2725 / page 119 6×D Standard NC spotting drill 12 3035 / page 132 with 2 cutting edges. 2 8×D 12 3235 / page 139 12×D Linear chisel point The first contact between the tool and material is a line. This allows the tool to wander and fail to penetrate precisely, which has a negative effect on the alignment accuracy. GARANT Master Steel Feed NC spotting drill with 3 cutting edges. 3 Master Steel Feed stepped drill for tapping drill holes Tetrahedral drill point 12 5035 (page 151) The first contact occurs at the point, which thereby defines an exact position. As the drill penetrates further into the material, the process forces act on the edges and configurable of the tetrahedral drill point, thus promoting the centring of the NC spotting drill. 12 5040 – 12 5044 (page 151). 80