The variation of the tooth meshing stiffness during operation induces a deviation in the rotation-angle of the output gear from the nominal transmission ratio (transmission error), causing vibrations and noise. The tooth form generated through exact simulation of the manufacturing process has many useful applications, such as tooth stiffness or resistance calculation. The manufacturing process from tool to gear is also visualized, and sliding and rolling velocity vectors are indicated (to optimize the tool life). The tooth shape after every step can be visualized, and different shapes can be superimposed to show the material removal from one step to another.
An unlimited number of tools such as hob, cutting tool, gear-type cutter, grinding disk (generating or form grinding), and honing wheel can be defined in any sequence desired.
Helical gear force calculator software#
The simulation and exact calculation of the tooth form when using multiple tools is very important for the determination of the meshing stiffness, for the resistance calculation.įor this purpose, the tooth calculation in the gear module of the KISSsoft software was rewritten with a completely new concept. Today calculation programs allow the entry of a tool and the input of a stock allowance for finishing. In production lines for gear manufacturing in large volumes, such as for the automobile industry, a gear is produced using many different tools with up to three pre-cutter processes and a finishing process (grinding, honing). The variation of the tooth meshing stiffness is a primary source of noise.
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