Innovative Broach Solves Cost and Quality Problems
How does a gear maker cut large-diameter involute internal splines quickly, accurately, and consistently?
The engineers at Fairfield Mfg. Co., Lafayette, IN, knew the answer was broaching. But they also knew that a broach large enough to do the job they were planning would be costly to maintain.
Over a full production run, repair and replacement costs for such a large broach would seriously undercut the profitability of the job.
So the engineers chose to use traditional shaper tools to produce the splines. The splines were being cut on a run of 12″ to 14″ helical gears that Fairfield, North America’s largest non-OEM designer and manufacturer of custom gear assemblies, planetary final drives, and custom gears, was producing for one of its customers.