In addition, both vertical and horizontal motion could be controlled with a 4-axis integrated driver and a small motion controller SANMOTION C S100. "The stepping motor came integrated with a ball screw. "The linear actuator stepping motor they selected for us was very compact," he said. Such advice was filled with technical expertise that only a motor manufacturer can provide."įurthermore, the superior characteristics of the motor also contributed to realizing the automation. "In addition, the fine lever adjustment for the workpiece pressing motion was achieved by changing the current value to limit the torque so that it could be gently pressed. "The motion of the operator's hand bringing the blade close to the grindstone was realized by a 4-axis drive with the XYZ axes and a pressing mechanism," he said. Under the condition that the after-sales service would be provided by SMW, SANYO DENKI provided support to solve the problem in the simplest way possible for SMW. SMW wanted to develop it as their own product, so they looked for a company that would provide technical support to help them develop the product. We once considered outsourcing it to a partner equipment manufacturer, but this would mean not only that we would not be able to accumulate know-how, but also that it would not be our product anymore, forcing us to outsource even the after-sales service as well." To achieve this would take the selection of motors and development of software, which were really challenging for us. "To automate the grinding machine operation," he continued, "it was necessary to reproduce the skills of experienced operators, such as the hand motion to bring the blade close to the grindstone and the lever adjustment when pressing a workpiece against the machine. Also, the customer, just like other companies, was suffering a labor shortage and eager to improve grinding efficiency while maintaining precision."Īfter that, SMW considered automating the machine operation, but ran into a wall due to lack of experience. When the same grinding machine is used by different operators, in a technical training session for example, the resulting sharpening precision inevitably varies for each operator.
So, in many manufacturing plants, grinding machines are always busy grinding blades one after another, consuming the operator manpower constantly. "Circular blades require frequent sharpening. Ishida, in charge of blade grinding machine development, shared his story: Sankou Manufacturing Works Co., Ltd., which manufactures and sells blade grinding machines, was consulted by a customer, a food processing company, about sharpening circular blades. The "circular blades" used to slice or peel meat from bones is one of the essential tools for food processing.
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