Technical data

Materials

• HSS-E (EMo5Co5): Böhler S705,
• THYSSEN Thyrapid 3243 hardened up to 64-66 HRC,
• PM30 (ASP30): Böhler S590, THYSSEN TSP30 hardened up to 66-67 HRC

Coating

TiN, TiCN, TiAlN

• by Platit process of Blösch AG, Swiss or
• by Certess process of HEF, France
• by Balzers prozess (ALCRONA)

Hobs reference profile

• according to II. DIN 3972 (finishing),
• according to III. DIN 3972 (prefinishing, with grinding allowance),
• according to IV. DIN 3972 (roughing, with milling allowance),
• profile with protuberance or/and chamfering edge,
• topping profile

Hob accuracy class

• AA, A, B according to DIN 3968

High performance hobs

• with extra length and outside diameter,
• thick gashes,
• more starts,
• made of PM HSS.