We are a comprehensive manufacturing company that offers precision machining for single-item orders, as well as processing for small to medium lot sizes, design and production of jigs and dedicated machines, and support for prototype development.
033【Our Technical Capabilities】2025/07/17 This time, we would like to introduce our original chucking fixture, which was conceived, designed, and manufactured in-house to improve processing efficiency and workability when we undertook mass production machining of cast bronze products. This fixture is characterized by its focus on machining efficiency, allowing for the simultaneous processing of two workpieces using a parallel two-axis drill. Therefore, even if there is a thickness variation of up to 1.5mm between the two workpieces (the white and blue plates in the photo), it is designed to ensure that they are securely and evenly chucked with four claws, taking this aspect into consideration. Furthermore, with a single tightening lever, all four claws can be opened and closed simultaneously, making the loading and unloading of workpieces very efficient. A video demonstrating the operation of this fixture is available on YouTube. Please take a look at the actual movement. ▶ [Watch the video here https://www.youtube.com/watch?v=k4ivsqcKDpc ] ▶ [Also, please visit our website https://www.nitto-mfg.com/ ]
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basic information
The key point of this fixture is that it can process two workpieces at once using a 2-axis parallel drill, focusing on machining efficiency. To achieve this, it is necessary to securely and evenly chuck the two workpieces, even if there is a maximum variation of 1.5 mm in thickness between them (in the photo, the workpieces are represented by a white plate and a blue plate).
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Company information
Nitto Kousakusho Co., Ltd. (Osaka), founded in 1965, has a long history as a "designer and manufacturer of jigs and dedicated machines," specializing in "precision machining of mechanical parts for single items, small lots, and medium lots." Utilizing the innovative know-how cultivated through the development of jigs and dedicated machines, we flexibly respond to prototypes and single-item processing. We are equipped with a diverse range of machinery, from general-purpose milling machines and lathes to MC and NC lathes and grinding machines, capable of handling a variety of materials such as iron, cast iron, aluminum, stainless steel, and copper. We also accommodate consultations from the conceptual stage and offer a one-stop service from idea generation, design, manufacturing, finishing, to delivery. Additionally, we are actively engaged in next-generation technologies, including the manufacturing and sales of our uniquely designed small Wankel-type rotary engine (NR series) and the development of hydrogen and multi-fuel compatible rotary engines. If you have any concerns regarding machining, please feel free to consult with us at Nitto Kousakusho Co., Ltd. (Osaka).