For all those who are concerned about the quality and cost of mass-produced parts for automobiles, robots, precision equipment, etc.
This is an example of an involute shaft where the challenge was to reduce the mass of the involute shaft material.
The initial design considered a steel gear + collar configuration, but since the shape could not be formed, the customer consulted with us to see if a component configuration that could be formed and that would also be lightweight was possible.
Therefore, we proposed to change the configuration to a shaft (steel) with a collar and plastic gears.
The key to the cost reduction was the adoption of a structure in which the resin gear is press-fitted into the involute.
We are capable of proposing the optimum design for the customer's problem according to the customer's needs.
In this case, we were able to reduce the weight by replacing the plastic material with resin while maintaining the functionality of the parts, as well as reduce the cost by reviewing the parts configuration.
This is a consultation regarding a change in the parts configuration of involute shafts. We proposed changing the parts configuration from the conventional "iron gear + collar" to "shaft (iron) + resin gear.
This change has resulted in weight reduction and cost reduction. If you have any questions or concerns regarding the change of parts configuration, please contact our Cold Forging/VA/VE Center. We can solve your problems with our cold forging and cold heading die design and development capabilities, as well as with our over 100 manufacturing machines, including our 9-stage parts former.
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