This is an introduction to a case study on the production of a stainless steel chute guide made by combining stainless steel round bars and bent sheet metal.
This product was initially designed to have M3 taps machined on both ends of a stainless steel round bar, which would then be bent and welded in a layout of ten bars evenly spaced on top of each other. While bending the round bar is possible with the equipment owned by Mitsuya Co., Ltd., it is not possible to machine M3 taps on the end faces of a φ6 round bar. Therefore, we checked with partner companies that have lathe machines or milling machines to see if they could perform the tap machining before bending (lathe machining) or after bending (milling machining). It was confirmed that only lathe machining could be done, so we proceeded with the plan to perform tap machining on the round bar before bending it and then welding it.
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Upon careful consideration, I became concerned that the area where the tapping was done is close to the bending position, which could lead to the tap being crushed during the bending process. Additionally, I was unsure if the direction of the bending for all ten pieces would align properly. After discussing various matters with the client, I realized that by combining a straight round bar with a bent sheet metal piece, as shown in the accompanying photo, we could meet the end user's requirements. To ensure even spacing between the round bars, we processed an R3 on the end face where the round bar rests on the bent sheet, making it easier to position the round bars and achieving cost reduction.
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At Mitsuya Co., Ltd., we gather opinions from engineers at each stage and receive advice from partner companies to consider how we can produce products that are more cost-effective for our customers. If you have requests for cost reduction or proposals for value analysis, please feel free to contact Mitsuya Co., Ltd.
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We were founded as a company that handles everything from design to installation of safety covers for dedicated work machines in-house. Currently, based on the technology and knowledge cultivated within this field, we provide a wide variety of sheet metal products, can manufacturing products, machined products, painting, and plating in total collaboration with partner companies, in addition to safety covers. Our in-house design utilizes 3D CAD, which has received positive feedback for being easy to understand when we ask customers to confirm specifications. We specialize in small-lot production of various types, and we strive for continuous technical improvement to respond to customer needs, including short delivery times, quality enhancement, and cost reduction through value analysis proposals.
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