The leading company in Gear Honing and Hard Broching Technology. Fässler has occupied a pioneering position in gear technolog ... y for a quarter of a century. Not only did our company invent the gear honing machine but we have been amongst the world market leaders since the 70s. PRODUCT LINES: Gear Honing Machines The HMX-400 Gear Honing Machines are exclusively intended for hard finishing of spur and helical gears, shaft type pinions, sun gears, cluster gears and internal gears. The 9-axes machine with the Siemens SINUMERIK 840D Control distinguishes especially by the compact design, the outstanding productivity, efficiency and versatility, allowing conventional double flank honing, synchronous single or double flank honing, internal and combi honing. Longitudinal crowning and tapering (conical honing) of the tooth flanks as well are possible. Hard Broaching Machines The HS-100-A Hard Broaching Machine is designed exclusively for finishing by broaching of internal (spline) profiles in hardened or non-hardened disc-type workpieces. The broaching process especially serves to remove heat treatment distortions of internal profiles. Automation is available for this process. Grinding Worm Dressing Devices DSA Grinding Worm Dressing Device for economical and precise profiling of a single-start and double-start grinding worms on gear grinding machines. (e.g. Reishauer, Csepel, Okamoto, and Gleason-TAG) Tooling Diamond gears for profiling honing stones or grinding wheels; diamond wheels, type DSA and SPA, for profiling gear grinding worms; diamond broaches for hard finishing internal splines and bores; and honing stones for gear honing machines. read more