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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Metal retention
Company information
NITTO MFG. Co., Ltd. (Osaka), founded in 1965, has a long history as a designer and manufacturer of jigs and special-purpose machines. Today, we handle everything from one-off machining to small- and medium-lot precision parts production. Leveraging our unique expertise cultivated through jig and special machine development, we flexibly support prototypes and custom machining requests. Equipped with a wide range of facilities—from conventional milling and lathes to machining centers, NC lathes, and grinding machines—we can process diverse materials including iron, cast iron, aluminum, stainless steel, and copper. From the concept stage through design, manufacturing, finishing, and delivery, we provide a complete one-stop solution. If you face any machining challenges, please feel free to consult NITTO MFG. (Osaka). Furthermore, as part of our lifelong commitment, we actively engage in: Advancing precision machining technology through jig-design know-how Manufacturing and sales of our originally designed small Wankel rotary engines (NR Series) Development of next-generation rotary engines capable of operating on hydrogen and multiple fuels
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